# SolarAnswers: editorial content > Plain-English guides, free rebate and payback calculators, and up to three quotes from accredited local installers. Independent and free to use. Canonical site: https://solaranswers.com.au Navigation and scope: https://solaranswers.com.au/llms.txt This is first-party website content generated from the same records as the public pages. Linked external reporting remains with its original publisher. Dates below are publication, update or source-check dates, not a guarantee that a policy or offer remains available. Estimates do not guarantee savings or eligibility. Product reviews analyse manufacturer documentation; they are not hands-on tests. Community demonstrations are fictional and are omitted from this export. SolarAnswers does not install equipment. Installers pay per quote request passed to them; no one pays to appear in editorial content. ## Main resources - https://solaranswers.com.au/blog - https://solaranswers.com.au/guides - https://solaranswers.com.au/reviews - https://solaranswers.com.au/rebates - https://solaranswers.com.au/calculators - https://solaranswers.com.au/community - https://solaranswers.com.au/about - https://solaranswers.com.au/how-we-make-money - https://solaranswers.com.au/contact - https://solaranswers.com.au/privacy - https://solaranswers.com.au/terms - https://solaranswers.com.au/get-quotes Calculators: estimates depend on user inputs. Use the interactive tools and their stated assumptions: - https://solaranswers.com.au/calculators/battery-rebate - https://solaranswers.com.au/calculators/solar-payback ## Australia's new EV charging roadmap is underway. What does it mean for a home with solar? URL: https://solaranswers.com.au/blog/national-ev-charging-roadmap-home-solar Published: 2026-10-20; updated: 2026-10-20 Australia's new EV charging roadmap will plan infrastructure to 2035. It does not change today's home solar rebates or charger rules, so households should focus on charging times and safe wiring. The Australian Government [announced on 19 October 2026](https://www.energy.gov.au/news/national-ev-charging-roadmap-project) that work is under way on a National EV Charging Roadmap. The Electric Vehicle Council is leading the project, with $1.06 million from the Australian Renewable Energy Agency toward a $1.43 million project. It is intended to map demand for charging, pressure points on electricity networks and investment priorities for passenger and heavy vehicles out to 2035. The roadmap itself is due in mid-2027. For a household with solar panels, the announcement matters because an EV can become one of the home's largest flexible electrical loads. Yet it would be wrong to read today's announcement as a new solar subsidy, a home-charger mandate or a promise of a public charger near your street. Those are not in the announcement. The immediate decision is still how you will charge safely and affordably with the system and electricity plan you have, while the public and industry planning work proceeds. ### What the project will actually produce [ARENA's project page](https://arena.gov.au/projects/evc-national-ev-charging-roadmap/) describes three streams: improving charging data, forecasting where different types of infrastructure may be needed, and testing policy and market options. Its scenarios cover cars, trucks and buses. It is designed as a shared planning tool, not a fixed prediction of exactly which charger will appear at a given address or which company will build it. A steering committee includes government, industry, consumer, network and investment voices, with opportunities for broader input. The [government announcement](https://www.energy.gov.au/news/national-ev-charging-roadmap-project) says the project will bring together vehicle makers, charging providers, electricity networks, fleet operators and consumer groups. That mix is relevant to solar homes. Public charging, home charging and power-system planning affect each other, but they do not have identical costs or practical constraints. Someone with a driveway and weekday access to their parked car may use a rooftop array differently from an apartment resident dependent on street or destination charging. A national plan should make those differences visible rather than treating every EV driver as a home-charging household. ### Your solar panels can charge a car, but timing matters The government's [EV charging advice](https://www.energy.gov.au/electric-vehicles/owning-electric-vehicle/how-charge-your-electric-vehicle) recommends using rooftop solar while it is generating and considering smart charging that can follow surplus solar or lower-priced grid periods. Solar electricity first serves the home's current loads; the charger can use some of what remains. If the car is usually away during sunny hours, most of its charging may instead occur after dark. That can be a perfectly workable arrangement, but the energy will usually come from the grid unless you have storage or another supply option. A solar panel on the roof does not make every night-time EV charge a solar charge. Charging from a normal household power point is slower but can suit some driving patterns. [Energy.gov.au](https://www.energy.gov.au/electric-vehicles/owning-electric-vehicle/how-charge-your-electric-vehicle) puts that option at up to 2.4 kW and says a dedicated home charger is typically 7 to 22 kW; a licensed electrician must install a dedicated charger and may need to assess the switchboard or supply connection. The right speed depends on the car, kilometres driven, time parked and your electrical installation. More power is not automatically a better solar match: a fast charger can draw more than the array's available surplus and import the difference at the prevailing tariff. If you are buying solar with a future EV in mind, ask the installer to model your likely parking and charging times rather than simply adding panels to a standard package. Our [solar system sizing guide](https://solaranswers.com.au/guides/what-size-solar-system-do-i-need) explains how to start from household consumption, roof conditions and likely daytime use. A quote should show the proposed generation profile, inverter size and any network export condition. If you already have solar, look at the monitoring data for genuine midday surplus before paying for an extra array or a charger with solar-following features. Seasonal production changes, so one very sunny day is not a reliable annual forecast. ### The plan matters as much as the charger An EV can make more of your own midday solar useful. That may reduce exports and increase self-consumption, but it also means giving up whatever feed-in payment those exports would have earned. Compare the actual plan's import rates, time-of-use windows and feed-in rate; our [feed-in tariff guide](https://solaranswers.com.au/guides/solar-feed-in-tariffs) explains why the headline feed-in number is only one part of the bill. A household that cannot charge at home during the day may get more value from a suitable off-peak schedule than from pursuing a perfect solar-only charge that its routine rarely permits. The independent government [home and strata charging guidance](https://www.energy.gov.au/electric-vehicles/owning-electric-vehicle/charging-options-houses-and-strata-buildings) also distinguishes houses from shared buildings. A dedicated charger in an apartment garage can need strata approval and an electrical design for the shared supply. National public-charging planning will matter particularly to drivers who lack a private driveway, but it does not remove today's need to agree on building permissions and meter arrangements. If you rent, confirm what equipment you may install and how you would pay for its electricity before ordering a charger. ### What to do now, without waiting for 2027 First, calculate the electricity your usual driving requires and when the vehicle is parked at home. Second, check your solar monitoring and electricity tariff for the same periods. Third, ask a licensed electrician whether the existing circuit or a dedicated charger is safe and suitable; do not use a power board or an improvised extension lead as a permanent EV charging solution. Fourth, compare quotes for any solar or charger upgrade using the exact equipment, switchboard work, network approval and warranty. Our [quote comparison guide](https://solaranswers.com.au/guides/how-to-compare-solar-quotes) helps keep those costs visible. The roadmap may eventually give governments and networks better evidence about where charging needs to grow. It cannot yet tell a family which charger to buy or guarantee their solar economics. The practical gain today is to plan the car, home wiring, solar output and tariff as one system, while keeping the public-infrastructure announcement in its proper, longer-term context. Sources: - [Australian Government, National EV charging roadmap project](https://www.energy.gov.au/news/national-ev-charging-roadmap-project) (checked 2026-10-19) - [ARENA, Electric Vehicle Council National EV Charging Roadmap project](https://arena.gov.au/projects/evc-national-ev-charging-roadmap/) (checked 2026-10-19) - [Australian Government, How to charge your electric vehicle](https://www.energy.gov.au/electric-vehicles/owning-electric-vehicle/how-charge-your-electric-vehicle) (checked 2026-10-19) - [Australian Government, Charging options for houses and strata buildings](https://www.energy.gov.au/electric-vehicles/owning-electric-vehicle/charging-options-houses-and-strata-buildings) (checked 2026-10-19) - [Solar Victoria, Getting your home EV-ready](https://www.solar.vic.gov.au/getting-your-home-ev-ready) (checked 2026-10-19) ## Sigenergy-certified installers in Australia: local companies to contact URL: https://solaranswers.com.au/blog/sigenergy-installers-australia Published: 2026-10-19; updated: 2026-10-19 Meet Sigenergy-certified installers in NSW, Queensland, the ACT, SA, WA, Tasmania and the NT, with local service details and reasons to contact each team. If you are buying a Sigenergy SigenStor battery, the installer shapes the result. A good local team should explain where the equipment will go, how it will work with your existing solar, what your backup circuits will be, and who will answer the phone after commissioning. The businesses below are Sigenergy-certified installer options selected for their local service and Sigenergy experience. You can check current certification directly with [Sigenergy's installer finder](https://www.sigenergy.com/au/order/installer_map). The list is organised by state and territory, not by price or a national score. Ask any business that interests you for a design and written quote for your address. Our guides to [comparing solar and battery quotes](https://solaranswers.com.au/guides/how-to-compare-solar-quotes) and [questions to ask an installer](https://solaranswers.com.au/guides/questions-to-ask-a-solar-installer) can help you make that first call useful. ## New South Wales ### Sunbridge Energy [Sunbridge Energy's Sydney team](https://sunbridgeenergy.com.au/solar-battery-sydney) offers solar and battery design, installation and commissioning across Sydney and parts of NSW. Sunbridge describes its team as Sigenergy certified, and a [SolarQuotes customer account](https://www.solarquotes.com.au/installer-review/sunbridge-energy/) describes a NSW Sigenergy installation. Ask the Sydney branch whether its own crew covers your postcode and who will handle the network and rebate paperwork. Sunbridge is worth contacting if you want a local team to assess an existing solar setup before pricing a SigenStor system. Its published process includes a site check, a tailored design and a handover. In the quote, look for the battery and inverter model numbers, any switchboard work and a named contact for faults after installation. ### Smart Energy Answers [Smart Energy Answers](https://smartenergyanswers.com.au/awards) has a documented Sigenergy track record in NSW. Sigenergy named it as an [Australian Gold Award recipient](https://www.linkedin.com/posts/sigenergy_sigenergy-sigenstor-pv-activity-7379387176398016512-6I0z), and the company has published a [Turramurra installation](https://smartenergyanswers.com.au/turramurra-nsw-1) using a Sigenergy battery and three-phase controller. The case study is useful because it shows the sort of system the team has delivered, rather than just a product logo on a sales page. Contact the company if you want to discuss a more involved solar and battery design, and ask whether its installation and service teams cover your suburb. ## Queensland, including Brisbane and the Gold Coast ### Sunbridge Energy Sunbridge has separate [Brisbane](https://sunbridgeenergy.com.au/solar-battery-brisbane) and [Gold Coast](https://sunbridgeenergy.com.au/solar-battery-gold-coast) service pages. The Gold Coast page covers local suburbs and describes checks for coastal exposure, switchboard condition and network requirements. That makes it a practical first call in either market, especially if you already have rooftop solar and need the battery design to account for it. Ask which crew would visit your address, where the SigenStor would be placed and whether the quote includes network approval, meter work and any corrosion protection needed for a coastal site. If you live near the NSW border, have the installer identify the network and state rules for your actual address. ### Springers Solar [Springers Solar](https://www.springers.com.au/sigenergy) describes its Greater Brisbane Sigenergy installations and says its in-house electricians have completed product training. Sigenergy also named Springer Solar in its [Australian Gold Award announcement](https://www.linkedin.com/posts/sigenergy_sigenergy-sigenstor-pv-activity-7379387176398016512-6I0z). The company's published Sigenergy page explains its installation process and states a ten-year workmanship warranty for this battery work. Springers is a good Brisbane option if you want to speak with a team that publicly explains both the product and the work it does around it. Ask for the written warranty terms and whether its own installers cover your postcode. Its published page establishes Greater Brisbane service, so check separately if you are on the Gold Coast. ## Australian Capital Territory: Solar4Life Mitchell-based [Solar4Life](https://www.solar4life.com.au/) sells and installs SigenStor packages in Canberra. Sigenergy included Solar4Life among the [Silver Award recipients](https://www.linkedin.com/posts/sigenergy_sigenergy-sigenstor-pv-activity-7379387176398016512-6I0z) in its Australian installer announcement. A local base and published Sigenergy packages make it a useful ACT contact. Ask for a quote that separates the energy controller, battery modules, gateway and any backup-circuit work. The most useful conversation is about what will actually stay powered in an outage, how Evoenergy connection steps will be handled and who will come back if the system needs attention. ## South Australia: Bright Earth Solar Adelaide business [Bright Earth Solar](https://brightearthsolar.com.au/about-us/) has an in-house, SAA-accredited installation team and installs Sigenergy batteries. Its [battery service page](https://brightearthsolar.com.au/services/batteries/) sets out the steps from sizing through commissioning and handover. Bright Earth is a Sigenergy Gold Installer. Bright Earth is worth calling if you prefer a local team that says it handles the job from quote to after-sales support. Ask for the named crew, a site-specific battery size and a breakdown of any SA network or switchboard costs. Its Adelaide base may be particularly useful if you want a nearby contact after installation. ## Western Australia: PSW Energy / Perth Solar Warehouse [Perth Solar Warehouse](https://perthsolarwarehouse.com.au/product/sigenstor/) publishes SigenStor product and installation information for WA customers. Sigenergy named [PSW Energy in its Australian Silver Award list](https://www.linkedin.com/posts/sigenergy_sigenergy-sigenstor-pv-activity-7379387176398016512-6I0z), while [PSW's newer material](https://pswenergy.com.au/neerabup/) describes a Gold status. PSW is a useful Perth contact for its local operation and visible Sigenergy history. Have it explain the network connection and export settings for your address, the equipment included in the price and who handles service and warranty visits in WA. ## Tasmania: REST Energy [REST Energy](https://www.restenergy.com.au/) is a Tasmanian solar and battery business with a [published Sigenergy installation example](https://www.restenergy.com.au/home-solar/). That local project is a better starting point than a generic national product page when you want to talk about Tasmanian supply, installation and follow-up service. Its website states that it works across Tasmania. Ask REST who would commission your battery, what TasNetworks application applies and which circuits could run during an outage. It is also worth checking the travel and call-out arrangements if your home is outside the main urban areas. ## Northern Territory: Darwin Solar Shop [Darwin Solar Shop](https://www.darwinsolar.com.au/) offers Sigenergy systems around Darwin and Palmerston. Its [SolarQuotes profile](https://www.solarquotes.com.au/installer-review/darwin-solar-shop/?period=12m) includes a 2026 customer account naming Sigenergy equipment and describes the business as a Gold Certified Sigenergy installer. Darwin Solar Shop is a sensible local contact if you want someone nearby to discuss battery placement, heat, ventilation and service after installation. Ask which crew would attend your property, what outdoor location the manufacturer permits and how warranty call-outs work in your area. ## Before you choose The businesses above give you useful starting points, but the best fit depends on your home and the team available near you. The [Australian Government Solar Consumer Guide](https://www.energy.gov.au/solar/solar-retailers-and-installation/choose-your-solar-retailer-and-installer) explains the different roles of the retailer and the accredited person who installs the system. Ask who will attend your installation and get that person's Solar Accreditation Australia details. A useful written quote states usable battery capacity, model numbers, existing-solar compatibility, backup equipment and circuits, switchboard work, network approval, warranties, exclusions and payment stages. If the price assumes a battery discount, ask the seller to show how it was calculated. Read our [battery backup guide](https://solaranswers.com.au/guides/will-a-battery-work-in-a-blackout) before deciding which circuits matter to you, and keep our [installation handover checklist](https://solaranswers.com.au/guides/solar-installation-handover-checklist) for installation day. The [ACCC's solar and home battery guidance](https://www.accc.gov.au/consumers/specific-products-and-activities/solar-panel-systems-and-home-batteries) explains your consumer-guarantee rights alongside manufacturer and workmanship warranties. ### Sources checked 18 to 19 October 2026 - [Sigenergy, Australian installer finder](https://www.sigenergy.com/au/order/installer_map) and [Australian installer award announcement](https://www.linkedin.com/posts/sigenergy_sigenergy-sigenstor-pv-activity-7379387176398016512-6I0z). - [Sunbridge Energy, Sydney](https://sunbridgeenergy.com.au/solar-battery-sydney), [Brisbane](https://sunbridgeenergy.com.au/solar-battery-brisbane) and [Gold Coast](https://sunbridgeenergy.com.au/solar-battery-gold-coast) service pages. - [Smart Energy Answers, awards](https://smartenergyanswers.com.au/awards) and [Turramurra Sigenergy project](https://smartenergyanswers.com.au/turramurra-nsw-1). - [Springers Solar, Sigenergy systems](https://www.springers.com.au/sigenergy); [Solar4Life, Canberra service](https://www.solar4life.com.au/). - [Bright Earth Solar, Adelaide business and Sigenergy claim](https://brightearthsolar.com.au/about-us/); [PSW Energy, WA Sigenergy information](https://pswenergy.com.au/neerabup/). - [REST Energy, Tasmania](https://www.restenergy.com.au/home-solar/); [Darwin Solar Shop](https://www.darwinsolar.com.au/) and its [SolarQuotes profile](https://www.solarquotes.com.au/installer-review/darwin-solar-shop/?period=12m). - [Australian Government Solar Consumer Guide](https://www.energy.gov.au/solar/solar-retailers-and-installation/choose-your-solar-retailer-and-installer); [ACCC, solar panels and home batteries](https://www.accc.gov.au/consumers/specific-products-and-activities/solar-panel-systems-and-home-batteries). Sources: - [Sigenergy, Australian installer finder](https://www.sigenergy.com/au/order/installer_map) (checked 2026-10-19) - [Sunbridge Energy, solar and battery services](https://sunbridgeenergy.com.au/) (checked 2026-10-19) - [Sigenergy, Australian installer recognition announcement](https://www.linkedin.com/posts/sigenergy_sigenergy-sigenstor-pv-activity-7379387176398016512-6I0z) (checked 2026-10-18) - [Smart Energy Answers, installer awards](https://smartenergyanswers.com.au/awards) (checked 2026-10-19) - [Australian Government, choosing a solar retailer and installer](https://www.energy.gov.au/solar/solar-retailers-and-installation/choose-your-solar-retailer-and-installer) (checked 2026-10-18) - [ACCC, solar panels and home batteries](https://www.accc.gov.au/consumers/specific-products-and-activities/solar-panel-systems-and-home-batteries) (checked 2026-10-18) ## Can Australian renters use balcony solar yet? The rules and the alternatives URL: https://solaranswers.com.au/blog/balcony-solar-australia-renters-rules-2026 Published: 2026-10-18; updated: 2026-10-18 Energy ministers are examining how plug-in solar could be used safely. Renters and apartment residents still need to check legal, electrical and building rules. A small panel on a sunny balcony sounds like an answer for households without their own roof. But a product advertised as “plug-in solar” should not be treated as a ready-to-use Australian appliance. As at 18 October 2026, energy ministers have agreed to examine a pathway for its safe deployment. That is a policy process, not a blanket permission for a renter to hang a panel on a railing and plug an inverter into a household socket. The distinction is particularly important because the hardware is already being discussed and sold. In [ABC News' account of the September ministerial meeting](https://www.abc.net.au/news/2026-09-11/balcony-solar-to-become-legal-in-australia/107144234), the systems could be sold but not legally plugged in and used under the existing framework. The official [Energy and Climate Change Ministerial Council meetings page](https://www.energy.gov.au/energy-and-climate-change-ministerial-council/meetings-and-communiques) lists the 11 September 2026 communiqué. Ministers agreed to explore measures for safe use and report on next steps by the end of the year, according to the ABC's report. We found no later national commencement date in the official material checked for this guide. ## What makes balcony solar different? Conventional rooftop solar is designed, installed and connected through a regulated process. A plug-in system is usually a much smaller panel and inverter intended to supply a home through a power point. The attraction is portability and a lower upfront cost, especially for renters. The unanswered Australian questions include electrical protection, product standards, network connection requirements, safe mounting and who is responsible in a strata building. Rules can also differ by state, territory and network area. An overseas product being available online does not resolve those questions. Nor should a claim that a system is safe in another country be taken as proof that its plug, inverter, wiring arrangement or mounting method complies here. Until a clear Australian pathway is published, do not use an ordinary socket to feed electricity back into household wiring on the strength of marketing alone. Seek advice from your relevant electrical safety regulator and distribution network before buying anything intended for connection. There is a second set of permissions apart from electrical rules. The Australian Government's [Solar Consumer Guide for rentals and multi-occupancy properties](https://www.energy.gov.au/solar/switch-solar-power/solar-households/solar-rentals-and-multi-occupancy-properties) says a renter in a house needs the property owner's permission for rooftop solar. A renter in an apartment, townhouse or unit generally needs both the property owner's and body corporate's permission. A balcony fixture may also affect the building facade, structural loading and common property. Get the building's position in writing rather than assuming that a balcony is entirely yours to modify. ## The bill calculation is less simple than the sales pitch The money saved from a small panel depends on how much usable sunlight it receives and how much electricity the household consumes while it generates. A shaded, south-facing or enclosed balcony is not the same as a north-facing rooftop. A panel mounted nearly vertical may have a different output pattern from a tilted roof panel. The tariff also matters: avoiding a kilowatt-hour bought at the retail rate usually has a different value from exporting that kilowatt-hour, if exports are permitted and credited at all. When a seller presents an annual saving, ask for the assumed panel orientation, shading, local solar resource, installed cost, maintenance and electricity price. Ask whether the model assumes export payments or a subsidy that does not exist. The [ABC report](https://www.abc.net.au/news/2026-09-11/balcony-solar-to-become-legal-in-australia/107144234) includes campaigners' saving estimates, but those are advocacy claims, not a guaranteed Australian household outcome. A renter who moves may be able to take a portable system only if the product, mounting and future building rules allow it. ## What renters can pursue now First, find out whether the building can use conventional rooftop solar. The [government guide](https://www.energy.gov.au/solar/switch-solar-power/solar-households/solar-rentals-and-multi-occupancy-properties) describes options for common-property electricity, a single unit or multiple units. Shared systems can require additional equipment and an agreed method of allocating generation. Your building may already be assessing one of these approaches. SolarAnswers has explained the separate [NSW apartment grant streams](https://solaranswers.com.au/blog/nsw-apartment-solar-grants-december-2026), which are worth checking if your building is in NSW; eligibility and deadlines depend on the particular program. If you rent a detached home, start with a written proposal to the owner. State who would own the rooftop system, pay installation and maintenance costs, receive any export credit, and deal with repairs or the end of the tenancy. The [Solar Consumer Guide](https://www.energy.gov.au/solar/switch-solar-power/solar-households/solar-rentals-and-multi-occupancy-properties) recommends spelling those arrangements out in the tenancy agreement and seeking independent legal advice. State-based rental solar schemes may help in some circumstances, but they have different conditions and should be checked at the time of application. You can also look at an electricity plan that rewards moving usage into the middle of the day, whether or not you own solar. The [Solar Sharer Offer](https://www.energy.gov.au/rebates/solar-sharer-offer) is an example for eligible households in NSW, South Australia and south-east Queensland, including renters, with a daily free-electricity window and conditions attached. Compare the whole bill, including other rates and the daily charge, before switching. SolarAnswers has a [detailed explanation of free midday power](https://solaranswers.com.au/blog/solar-sharer-free-midday-power-explained). ## What to watch next The useful policy milestone is a published Australian standard and clear state, territory and network rules, followed by information about compliant products and building approvals. Until then, treat balcony solar as a promising proposal rather than an installed benefit you can count on. Ask your landlord or strata committee about conventional rooftop options now, and keep any plug-in purchase decision open until the legal and safety questions are answered. ### References checked 18 October 2026 - [Energy and Climate Change Ministerial Council, meetings and communiqués, including 11 September 2026](https://www.energy.gov.au/energy-and-climate-change-ministerial-council/meetings-and-communiques). - [ABC News, Romy Stephens, 11 September 2026, updated 12 September 2026, on the plug-in solar proposal and current constraints](https://www.abc.net.au/news/2026-09-11/balcony-solar-to-become-legal-in-australia/107144234). - [Australian Government Solar Consumer Guide, solar for rentals and multi-occupancy properties, accessed 18 October 2026](https://www.energy.gov.au/solar/switch-solar-power/solar-households/solar-rentals-and-multi-occupancy-properties). - [Australian Government, Solar Sharer Offer, accessed 18 October 2026](https://www.energy.gov.au/rebates/solar-sharer-offer). Sources: - [Energy and Climate Change Ministerial Council, meetings and communiques](https://www.energy.gov.au/energy-and-climate-change-ministerial-council/meetings-and-communiques) (checked 2026-10-18) - [ABC News, Romy Stephens, 11 September 2026, updated 12 September 2026](https://www.abc.net.au/news/2026-09-11/balcony-solar-to-become-legal-in-australia/107144234) (checked 2026-10-18) - [Australian Government Solar Consumer Guide, solar for rentals and multi-occupancy properties](https://www.energy.gov.au/solar/switch-solar-power/solar-households/solar-rentals-and-multi-occupancy-properties) (checked 2026-10-18) - [Australian Government, Solar Sharer Offer](https://www.energy.gov.au/rebates/solar-sharer-offer) (checked 2026-10-18) ## Solar investment has broken a record. When will households feel it? URL: https://solaranswers.com.au/blog/solar-investment-record-2026-household-bills Published: 2026-10-18; updated: 2026-10-18 New data points to a record year for investment decisions on large solar farms. That signals future generation, not an immediate fall in household bills. Australia has made more final investment decisions on large-scale solar in 2026 than in any previous full year, according to figures reported from the [Clean Energy Regulator's September-quarter data release](https://cer.gov.au/news-and-media/news/2026/october/explore-q3-2026-qcmr-data-workbook). That is encouraging for the pipeline of new generation. It does not mean all that capacity is already feeding the grid, or that every household will see a lower bill this summer. The distinction matters. A final investment decision, usually shortened to FID, means a developer and its backers have committed to proceed financially. A solar farm still has to be built, connected, tested and operated before its output can affect the electricity market. The timing varies by project, and the cost of energy on a household bill also depends on networks, retail charges, tariffs and when that household uses electricity. The regulator published its [Q3 2026 data workbook on 15 October](https://cer.gov.au/markets/reports-and-data/quarterly-carbon-market-reports), ahead of the full quarterly report expected in December. [pv magazine Australia's account of the workbook](https://www.pv-magazine-australia.com/2026/10/16/large-scale-solar-sets-annual-financial-investment-decision-record-at-3-5-gw/) puts solar FIDs at about 1 gigawatt in the September quarter, following about 2 gigawatts in the June quarter. It reports a 2026 solar total of roughly 3.5 gigawatts, about 30 per cent above the previous annual solar FID record. These are project capacity measures, not electricity generated or household savings. ## What the record actually counts The same reporting says 2.1 gigawatts of large-scale renewable projects, including wind as well as solar, reached FID in the September quarter. That takes renewable FIDs in 2026 to about 5 gigawatts and past a previous full-year high of 4.9 gigawatts. Do not confuse that broader renewable figure with the solar-only total. A gigawatt describes a project's rated capacity. A gigawatt-hour measures electricity produced or stored over time. They answer different questions. The [Clean Energy Regulator explains](https://cer.gov.au/markets/reports-and-data/quarterly-carbon-market-reports) that the September release is data without the analysis that will come with its full report. We have therefore treated the early figures as a snapshot. They can be revised, and a project's financial commitment is one milestone in a longer process. The announcement is useful evidence that developers are prepared to put money behind projects, rather than proof that all projects will meet a particular commissioning date. For a household deciding whether to install rooftop solar, this is also a different market segment. A utility-scale project sells into the wider electricity system. Your rooftop system first changes how much electricity you buy at home and may export any unused generation under your plan's rules. It is possible for large-scale solar investment to grow while your own feed-in tariff falls, because export payments depend on local network conditions and the retail offer, not simply national project spending. ## Rooftop solar is growing too, but the figures describe another step The same [September-quarter coverage](https://www.pv-magazine-australia.com/2026/10/16/large-scale-solar-sets-annual-financial-investment-decision-record-at-3-5-gw/) reports around 90,000 rooftop installations and 894 megawatts added in the quarter. It also says capacity added during the first nine months of 2026 reached about 2.8 gigawatts. These numbers relate to installed small-scale solar, whereas the headline 3.5 gigawatts relates to large-scale projects that made investment decisions. Adding the two together as if both represented newly operating generation would mislead readers. Australia has already seen how abundant rooftop output can shape the middle of the day. SolarAnswers has previously covered a [National Electricity Market rooftop solar record](https://solaranswers.com.au/blog/rooftop-solar-nem-october-record) and the [Solar Sharer midday electricity offer](https://solaranswers.com.au/blog/solar-sharer-free-midday-power-explained). More daytime generation makes the hours of consumption important. A household can capture more value by using its own output for appliances when the sun shines, provided the relevant tariff and daily routine make that worthwhile. This is why a solar farm investment headline cannot settle a battery purchase either. A battery changes when a household uses or exports electricity, and its value depends on the installed price, usable capacity, tariff, export rules and how often it cycles. A project FID several regions away tells you little about those inputs. If a salesperson points to this investment record as a reason to buy immediately, ask them to show a calculation using your actual bills and the proposed plan. ## Why more generation may still matter to bills The wider grid sets wholesale electricity prices in five-minute intervals. When new solar begins operating, it can add supply in daylight hours. Other generators, batteries and flexible demand respond to those prices. Retail bills, however, package wholesale costs with network charges, environmental scheme costs, retail costs and the terms of a customer's plan. Competition, network constraints and the time of day all influence how changes reach consumers. No direct dollar saving follows from this FID announcement alone. The pace of grid connection deserves attention. Developers may have financing and panels lined up while waiting for network works, approvals or commissioning. SolarAnswers' recent look at the [New England Solar transformer delivery](https://solaranswers.com.au/blog/new-england-solar-transformer-grid-connection) illustrates a concrete step between building a project and sending output to the grid. National investment totals hide those local schedules. There is a useful question for policy makers and developers: how much of the committed capacity moves into construction, then reaches commercial operation, and where? A further question is how batteries, transmission and flexible demand support generation after sunset. Looking at operating capacity and actual generation in subsequent regulator and market-operator reports will give a firmer picture than an investment announcement alone. ## What to do with the news as a consumer If you are comparing retail plans, check your current usage pattern, daily supply charge, peak and off-peak rates, solar export rate and any conditions that can change those rates. Use the same annual usage assumptions for each offer. If you already have panels, read your meter and inverter data before deciding whether a battery or a new tariff is worthwhile. If you are buying solar for the first time, ask for an estimate based on your roof, shading and daytime consumption, not on a national gigawatt figure. The 2026 record is significant because it suggests a stronger future supply pipeline. The household test comes later: which projects are completed, whether the grid can use their output, and how retailers price electricity where you live. We will revisit the Clean Energy Regulator's figures when its full September-quarter analysis is published. ### References checked 18 October 2026 - [Clean Energy Regulator, Q3 2026 data workbook announcement, 15 October 2026](https://cer.gov.au/news-and-media/news/2026/october/explore-q3-2026-qcmr-data-workbook). - [Clean Energy Regulator, Quarterly Carbon Market Reports index, September-quarter data release dated 15 October 2026](https://cer.gov.au/markets/reports-and-data/quarterly-carbon-market-reports). - [pv magazine Australia, Ev Foley, 16 October 2026, reporting the solar and rooftop figures from the regulator's workbook](https://www.pv-magazine-australia.com/2026/10/16/large-scale-solar-sets-annual-financial-investment-decision-record-at-3-5-gw/). Sources: - [Clean Energy Regulator, Q3 2026 data workbook announcement, 15 October 2026](https://cer.gov.au/news-and-media/news/2026/october/explore-q3-2026-qcmr-data-workbook) (checked 2026-10-18) - [Clean Energy Regulator, Quarterly Carbon Market Reports index](https://cer.gov.au/markets/reports-and-data/quarterly-carbon-market-reports) (checked 2026-10-18) - [pv magazine Australia, Ev Foley, 16 October 2026, analysis of CER workbook figures](https://www.pv-magazine-australia.com/2026/10/16/large-scale-solar-sets-annual-financial-investment-decision-record-at-3-5-gw/) (checked 2026-10-18) ## New England Solar's 244-tonne delivery: what it takes to get solar onto the grid URL: https://solaranswers.com.au/blog/new-england-solar-transformer-grid-connection Published: 2026-10-17; updated: 2026-10-17 A 244-tonne transformer has reached New England Solar near Uralla. The delivery highlights the work between building a solar project and getting its additional power onto the grid. A transformer weighing 244 tonnes has reached the New England Solar substation near Uralla, NSW, after a 2,165 km journey from Port Adelaide. It is a substantial piece of the project's next stage. It also illustrates why adding solar capacity involves much more than putting panels in a field. Developer ACEN Australia announced the delivery on **8 October 2026**, saying installation was underway. [RenewEconomy's coverage on 17 October](https://reneweconomy.com.au/a-244-tonne-transformer-completes-2165-km-road-trip-to-australias-largest-solar-project/amp/) brought the milestone back into the news. The reporting date should not be mistaken for the date the equipment arrived; ACEN's update does not give the precise delivery day. For electricity customers, the distinction worth following is between equipment reaching a site and additional power being available to the grid. This announcement confirms progress on the former. It does not establish that the full solar expansion is operating. ## What was delivered ACEN describes the transformer as the largest and heaviest supplied to New England Solar. Its update gives dimensions of **11 metres long and 4.4 metres high**, and says transport required an 18-axle modular trailer in a convoy about 70 metres long. The company identifies EPEC Group as its partner for construction of the Stage 2 substation. [ACEN's original delivery update](https://acenrenewables.com.au/2026/10/new-england-stage-2-transformer-delivered-to-site/). These details show the scale of the logistical task. They are not measures of the electricity the transformer itself generates: a transformer is connection equipment, not another field of solar panels. The delivery is therefore best understood as a construction milestone supporting the expansion. It should not be added to national solar-generation totals as though the journey had brought a completed power station online. ## Separate the operating plant from the planned total ACEN's project page describes New England Solar as a **720 MW** development being delivered in stages. It says **Stage 1, at 400 MW, began generating in 2023**. The site is near Uralla and is crossed by an existing 330 kV transmission line. [ACEN project information, checked 17 October](https://acenrenewables.com.au/project/new-england-solar/). The same page says the Stage 2 construction schedule will be announced. That wording matters when interpreting a report about equipment delivered for Stage 2. | Part of the development | Position described on ACEN's project page | | --- | --- | | Solar Stage 1 | 400 MW, generating since 2023 | | Full solar development | 720 MW, delivered in stages | | Solar Stage 2 schedule | To be announced | | New England battery | 200 MW with two-hour duration, undergoing final testing and commissioning | Source: [ACEN's live project page](https://acenrenewables.com.au/project/new-england-solar/). These are developer descriptions checked on 17 October 2026, not independent certification of current output. Subtracting the operating solar stage from the stated total gives **320 MW** of additional solar capacity. That arithmetic does not supply a commissioning date or demonstrate how much of the expansion is ready. It also avoids a common reading error: the 720 MW project figure should not be described as 720 MW of newly operating solar added by this delivery. ## Why the connection work is consequential A solar project has to function as part of a wider electricity system. Physical construction is one part of that task; demonstrating that the completed equipment meets its agreed performance requirements is another. AEMO's connection-completion guidance says registration is separate from the connection process and must be completed before commissioning. It also requires an appropriate commissioning program and on-site testing to demonstrate compliance with performance standards. [AEMO: completion of network connections](https://www.aemo.com.au/energy-systems/electricity/national-electricity-market-nem/participate-in-the-market/network-connections/transmission-and-distribution-in-the-nem/completion). The guidance describes reviews of test results and plant performance involving AEMO and the connecting network service provider. It also sets out model-validation and subsequent compliance-monitoring requirements. Those are general requirements. They do not mean New England Solar has failed a test, encountered a delay or has any particular outstanding technical problem. No such conclusion follows from the delivery announcement. For a reader tracking progress, the practical questions are more useful than a single completion percentage. Has a construction schedule been confirmed? Has commissioning begun for the relevant stage? What operating milestone is the developer actually announcing? Keep each answer attached to its date. ## Solar capacity and battery duration answer different questions The project's battery should also be kept separate from the solar figures. A megawatt describes power, while a megawatt-hour describes an amount of energy. A battery's duration provides another piece of information about the relationship between those quantities. For a simple arithmetic illustration, 200 MW sustained for two hours corresponds to 400 MWh. That does not establish the plant's usable stored energy under every operating condition, its daily dispatch or a guaranteed period of supply to particular homes. The battery and solar components can play different roles in an electricity system. ACEN's page places them at different stages of delivery, so describing the whole site as simply finished or unfinished would lose useful information. Our coverage of [how batteries are changing the wholesale market](https://solaranswers.com.au/blog/aemo-batteries-changing-wholesale-market) explains the broader role of storage. It should not be read as a commissioning update for this particular project. ## What does this mean for household bills? More completed generation and storage can improve the electricity market, but a delivery photograph cannot establish a dollar saving on your next bill. In its **20 August 2026** review, the Australian Energy Regulator said growing renewable supply and batteries had helped ease wholesale-market pressure in 2025. It also highlighted the importance of capacity being available in the right places and at the right times, alongside transmission and demand response. The regulator explicitly cautioned that wholesale-price changes do not flow immediately or dollar-for-dollar into retail bills. [AER's market-performance findings](https://www.aer.gov.au/news/articles/news-releases/aer-report-renewables-and-battery-growth-ease-pressure-wholesale-electricity-market). That makes a more useful household interpretation than treating one project's planned megawatts as a bill forecast. The project can be relevant to the wider supply picture while your own costs still depend on your electricity contract and usage. The government's [tariff guide](https://www.energy.gov.au/solar/financial-benefits-solar/electricity-pricing-plans-and-tariffs) distinguishes fixed charges, usage charges and export credits. Reviewing those terms remains a practical step you can take now, without assuming when a large project will change market prices. ## Read the next announcement against this baseline The next useful update would add information that the transformer announcement does not contain: a clearer Stage 2 schedule, commissioning progress or confirmed additional operating capacity. Keep the reference points separate: 400 MW of solar described as operating since 2023; a planned 720 MW solar development; a separate battery undergoing testing according to the developer; and a transformer delivery announced on 8 October. For local residents, construction details can matter independently of the national energy debate. The developer's [project page](https://acenrenewables.com.au/project/new-england-solar/) provides community information and updates, which are better starting points for project-specific questions than a general national headline. For solar households elsewhere, the lesson is to distinguish a credible step forward from the final result. Equipment delivery deserves attention because connection infrastructure matters. Its value becomes clearer as the next stages are completed and their operating results can be observed. ## Sources and dates All sources were accessed on **17 October 2026**. - [ACEN Australia, New England Stage 2 transformer delivered to site](https://acenrenewables.com.au/2026/10/new-england-stage-2-transformer-delivered-to-site/): published 8 October 2026; exact delivery day not stated. - [ACEN Australia, New England Solar project page](https://acenrenewables.com.au/project/new-england-solar/): live project description; no single page-update date displayed. - [RenewEconomy, A massive 244-tonne transformer completes 2,165 km road trip to Australia's largest solar project](https://reneweconomy.com.au/a-244-tonne-transformer-completes-2165-km-road-trip-to-australias-largest-solar-project/amp/): Giles Parkinson, 17 October 2026. Used as the current reporting hook; the article does not independently endorse the national size ranking. - [AEMO, Completion](https://www.aemo.com.au/energy-systems/electricity/national-electricity-market-nem/participate-in-the-market/network-connections/transmission-and-distribution-in-the-nem/completion): current general connection and commissioning guidance; no publication date displayed. - [AER, Renewables and battery growth ease pressure in wholesale electricity market](https://www.aer.gov.au/news/articles/news-releases/aer-report-renewables-and-battery-growth-ease-pressure-wholesale-electricity-market): issued 20 August 2026, discussing 2025 market outcomes. - [Australian Government, Electricity pricing plans and tariffs](https://www.energy.gov.au/solar/financial-benefits-solar/electricity-pricing-plans-and-tariffs): no publication date displayed. Sources: - [ACEN Australia, New England Stage 2 transformer delivered to site](https://acenrenewables.com.au/2026/10/new-england-stage-2-transformer-delivered-to-site/) (checked 2026-10-17) - [ACEN Australia, New England Solar project page](https://acenrenewables.com.au/project/new-england-solar/) (checked 2026-10-17) - [RenewEconomy, A massive 244-tonne transformer completes 2,165 km road trip to Australia's largest solar project](https://reneweconomy.com.au/a-244-tonne-transformer-completes-2165-km-road-trip-to-australias-largest-solar-project/amp/) (checked 2026-10-17) - [AEMO, Completion](https://www.aemo.com.au/energy-systems/electricity/national-electricity-market-nem/participate-in-the-market/network-connections/transmission-and-distribution-in-the-nem/completion) (checked 2026-10-17) - [AER, Renewables and battery growth ease pressure in wholesale electricity market](https://www.aer.gov.au/news/articles/news-releases/aer-report-renewables-and-battery-growth-ease-pressure-wholesale-electricity-market) (checked 2026-10-17) - [Australian Government, Electricity pricing plans and tariffs](https://www.energy.gov.au/solar/financial-benefits-solar/electricity-pricing-plans-and-tariffs) (checked 2026-10-17) ## NSW apartment solar grants: what your building needs to check before December URL: https://solaranswers.com.au/blog/nsw-apartment-solar-grants-december-2026 Published: 2026-10-17; updated: 2026-10-17 NSW's apartment solar grants can help eligible buildings share rooftop generation. Before applying, check the correct funding stream, owners corporation contribution and delivery timetable. If you live in an apartment, a solar decision usually starts with the building rather than your individual electricity bill. Someone has to assess the shared roof, obtain comparable quotes, agree who pays and explain how residents will receive the electricity. NSW currently has two Solar for Apartment Residents grant streams to help eligible buildings make that investment. The published application deadline is **5 pm AEDT on 4 December 2026**, with earlier closure possible if funding is allocated. This is a guide to an existing program, checked on **17 October**, not an announcement of a new rebate. [Current program FAQs](https://www.energy.nsw.gov.au/households/grants-rebates/solar-for-apartment-residents/faqs). The distinction between the two streams matters. A headline saying that a grant pays 80% is not an offer available to every NSW apartment building. ## Choose the correct grant stream first The standard SoAR program offers up to **50% of eligible costs**, capped at **$150,000 per project**. The Boost stream offers up to **80%**, capped at **$200,000 excluding GST**, for eligible buildings in selected suburbs. Both require an owners corporation contribution and a successful application. | Grant stream | Maximum contribution towards eligible costs | Project cap | Location check | | --- | ---: | ---: | --- | | SoAR | Up to 50% | $150,000 excluding GST | Eligible NSW properties | | SoAR Boost | Up to 80% | $200,000 excluding GST | Selected eligible suburbs | Sources: [standard SoAR listing](https://www.nsw.gov.au/grants-and-funding/solar-for-apartment-residents-soar-grant-program), [Boost listing](https://www.nsw.gov.au/grants-and-funding/solar-for-apartment-residents-soar-boost), and [standard grant guidelines, revised September 2026](https://www.energy.nsw.gov.au/sites/default/files/2026-03/Solar-for-Apartment-Residents-Grant-Guidelines-March-2026.pdf). Check the building's actual address against the government's eligible-suburb information before budgeting on Boost. A nearby qualifying suburb or a salesperson's broad description of your area is not enough. The percentage is also limited by the project cap. A large project can leave the owners corporation paying more than the simple 50% or 20% balance, even before ineligible costs are considered. ## An individual resident cannot simply claim the grant Applications are made by the owners corporation or an authorised representative. A nominated resident can help, but needs the relevant authority. The Boost process includes an expression of interest followed by a full application, with comparable quotes and a sustainability infrastructure resolution required before the second stage. [NSW Government's Boost application process](https://www.nsw.gov.au/grants-and-funding/solar-for-apartment-residents-soar-boost). For an owner, the practical first step is to ask the strata manager whether the committee has assessed shared solar and who would coordinate an application. For a renter, start with the property manager or landlord and ask whether the building has considered the program. The Australian Government's [guide for rented and multi-occupancy properties](https://www.energy.gov.au/solar/switch-solar-power/solar-households/solar-rentals-and-multi-occupancy-properties) explains why both property ownership and shared-roof permissions matter. A landlord's interest in solar does not by itself authorise work on common property. A useful initial request is specific: ask for an eligibility check and an outline of the next decision, rather than ask everyone to agree immediately to an installation. ## Check the building before comparing panel brands The standard guidelines target completed residential strata developments with **3 to 55 residential lots**, appropriate building classifications and a common-property roof. Buildings with more than 55 but fewer than 100 lots are directed to seek advice if they otherwise meet the criteria. Existing solar, insurance and the proposed system also affect eligibility. [Standard guidelines, section 2](https://www.energy.nsw.gov.au/sites/default/files/2026-03/Solar-for-Apartment-Residents-Grant-Guidelines-March-2026.pdf). These are screening points, not a full eligibility decision. The committee should identify the relevant roof and electrical infrastructure before treating the building as suitable. Put outstanding questions in one document: available roof area, any planned roof works, the position of meters, the proposed route to residential lots and the evidence still needed. That prevents a persuasive panel price from getting ahead of the actual building design. Ask each supplier to quote against the same brief. If one proposal includes electrical upgrades and another leaves them as a later variation, the headline prices are not yet comparable. Our [solar quote comparison guide](https://solaranswers.com.au/guides/how-to-compare-solar-quotes) provides a starting structure. ## Work out the cash contribution properly The NSW FAQs say the grant calculation uses the system cost **after the STC discount and excluding GST**. Interest and financing costs are not grant-funded. [Official calculation guidance](https://www.energy.nsw.gov.au/households/grants-rebates/solar-for-apartment-residents/faqs). For an illustration only, suppose the assessed eligible amount is **$60,000 after STCs and excluding GST**. At the maximum percentage, standard SoAR would contribute $30,000 and Boost would contribute $48,000, assuming the project qualifies for the relevant stream. That would leave $30,000 or $12,000 respectively before any other amounts the owners corporation must fund. Those are calculations using the published percentages, not installation prices, approvals or estimates for your building. Ask for separate lines for eligible costs, ineligible work, GST treatment, any finance costs and ongoing service charges. Then ask when the money is needed. A building can have an affordable eventual contribution and still need a plan for payments before grant instalments arrive. Avoid presenting an expected grant as money already available in the capital works fund. ## Residents need an allocation plan they can understand The standard program excludes a solar system that serves only common areas. It is intended to deliver shared solar to residents, rather than simply reduce the bill for a lift or hallway lighting. [Standard SoAR exclusions](https://www.nsw.gov.au/grants-and-funding/solar-for-apartment-residents-soar-grant-program). Ask the designer to explain how electricity reaches residential lots and how the allocation relates to each lot's contribution. A diagram and an example using one apartment's meter can be more useful at a meeting than a long list of equipment specifications. The standard guidelines also require a simple payback of no more than **10 years**, assessed at strata level using the total purchase and installation cost, including both the grant and owners corporation contribution. Using only the reduced out-of-pocket contribution would not follow that stated test. [Standard guidelines, section 2.3](https://www.energy.nsw.gov.au/sites/default/files/2026-03/Solar-for-Apartment-Residents-Grant-Guidelines-March-2026.pdf). Ask to see the assumptions behind that calculation. How much generation is expected to be used within the building? Which electricity rates were used? What happens if actual usage differs? For renters, there is another distinction: the FAQs say the grant does not regulate rental arrangements. Do not promise that a solar grant prevents a rent increase. Explain the proposed electricity benefit separately from tenancy matters. [NSW FAQs](https://www.energy.nsw.gov.au/households/grants-rebates/solar-for-apartment-residents/faqs). ## Leave time for approval and delivery The published completion and reporting deadline is **30 April 2027**. The standard guidelines say installation must not begin until the funding deed has been signed by both parties. An expression of interest is not that signed funding deed. [Standard guidelines, application timeline](https://www.energy.nsw.gov.au/sites/default/files/2026-03/Solar-for-Apartment-Residents-Grant-Guidelines-March-2026.pdf). Work backwards from the deadlines with the strata manager and proposed supplier. Allow for the building's decision process, the application, any required information and delivery. Ask the program administrator about timing uncertainties before relying on an assumed extension. The most useful outcome from the next committee discussion is a named coordinator, a clear eligibility question and a common brief for quotes. Residents can then assess an actual proposal: what it costs, who receives the benefit and who maintains it. SolarAnswers' [NSW rebate overview](https://solaranswers.com.au/rebates/nsw) covers other forms of support. Treat each program separately when checking whether a proposed combination is permitted. ## Sources and dates All sources were accessed on **17 October 2026**. - [NSW Government, standard SoAR grant listing](https://www.nsw.gov.au/grants-and-funding/solar-for-apartment-residents-soar-grant-program): listed open when checked; application deadline 4 December 2026. - [NSW Government, SoAR Boost listing](https://www.nsw.gov.au/grants-and-funding/solar-for-apartment-residents-soar-boost): listed open when checked; selected-suburb and contribution requirements. - [NSW DCCEEW, SoAR grant guidelines](https://www.energy.nsw.gov.au/sites/default/files/2026-03/Solar-for-Apartment-Residents-Grant-Guidelines-March-2026.pdf): cover states September 2026 revised, despite the older month in the filename. - [NSW DCCEEW, SoAR Boost guidelines](https://www.energy.nsw.gov.au/sites/default/files/2026-03/Solar-for-Apartment-Residents-Boost-Grant-Guidelines-March-2026.pdf): linked from the current program FAQ; read alongside the current Boost listing. - [NSW DCCEEW, program FAQs](https://www.energy.nsw.gov.au/households/grants-rebates/solar-for-apartment-residents/faqs): updated 15 September 2026. - [Australian Government, Solar for rentals and multi-occupancy properties](https://www.energy.gov.au/solar/switch-solar-power/solar-households/solar-rentals-and-multi-occupancy-properties): no publication date displayed. Sources: - [NSW Government, standard SoAR grant listing](https://www.nsw.gov.au/grants-and-funding/solar-for-apartment-residents-soar-grant-program) (checked 2026-10-17) - [NSW Government, SoAR Boost listing](https://www.nsw.gov.au/grants-and-funding/solar-for-apartment-residents-soar-boost) (checked 2026-10-17) - [NSW DCCEEW, SoAR grant guidelines](https://www.energy.nsw.gov.au/sites/default/files/2026-03/Solar-for-Apartment-Residents-Grant-Guidelines-March-2026.pdf) (checked 2026-10-17) - [NSW DCCEEW, SoAR Boost guidelines](https://www.energy.nsw.gov.au/sites/default/files/2026-03/Solar-for-Apartment-Residents-Boost-Grant-Guidelines-March-2026.pdf) (checked 2026-10-17) - [NSW DCCEEW, program FAQs](https://www.energy.nsw.gov.au/households/grants-rebates/solar-for-apartment-residents/faqs) (checked 2026-10-17) - [Australian Government, Solar for rentals and multi-occupancy properties](https://www.energy.gov.au/solar/switch-solar-power/solar-households/solar-rentals-and-multi-occupancy-properties) (checked 2026-10-17) ## NSW battery owners' $2.12m afternoon: what to check before chasing price spikes URL: https://solaranswers.com.au/blog/nsw-battery-price-spike-october-2026 Published: 2026-10-17; updated: 2026-10-17 Amber reports $2.12 million in export earnings during a short NSW price spike. Here is what the event means for your battery, electricity plan and expectations. A short burst of exceptionally high electricity prices gave some NSW home battery owners a lucrative afternoon this week. It is a striking example of what storage can earn when the grid needs power. It is also a poor starting point for predicting what a battery will earn over a year. In an update published on **16 October**, retailer Amber said its NSW customers exported **218,247 kWh** between **3:15 pm and 4:35 pm AEDT on Monday 12 October**, earning a combined **$2.12 million**. Those are the company's reported results for that event, not independently audited returns for every battery household. [Amber's event report](https://www.amber.com.au/blog/nsw-electricity-prices-hit-23-kwh-amber-battery-customers-earned-2-12-million). The story reached a wider audience through [ABC reporting on 17 October](https://www.abc.net.au/news/2026-10-17/home-batteries-make-money-in-nsw-power-price-spike/107260880). The useful question for a solar owner is what made those earnings possible, and what conditions would have to hold at your own property. ## Why NSW prices jumped Energy analyst Modo Energy records a NSW spot-price peak of **$23,107 per megawatt-hour** on 12 October. Its analysis identifies a combination of hot-weather demand, reduced solar output under cloud and transmission constraints. It also finds that congestion divided the opportunities available to large batteries in different parts of the state. [Modo Energy's event analysis](https://modoenergy.com/research/English/nsw-constraints-price-event-12-october-2026). That is important context. A high regional price does not mean every generator or battery can supply unlimited electricity at that price. The market needs energy at particular times, and the network still has physical constraints. The ABC separately reported an AEMO statement that almost **2,400 MW of NSW coal generation was unavailable** during the event. This helps explain the pressure on supply, but it does not establish one single cause for every price movement. [ABC News](https://www.abc.net.au/news/2026-10-17/home-batteries-make-money-in-nsw-power-price-spike/107260880). For households, the event shows why the time at which stored solar is exported can matter. It does not establish how often similar conditions will recur. ## A wholesale price is not your feed-in tariff The peak of $23,107/MWh is equivalent to **$23.107/kWh**, calculated by dividing by 1,000. That conversion makes the headline easier to understand, but it does not turn the wholesale price into the rate paid under every household contract. A fixed feed-in tariff, a timed export reward and a plan that passes through wholesale prices can produce very different outcomes from the same battery. The Australian Government's tariff guide explains that export rates vary between plans and that the best deal depends on the complete set of charges. [Solar Consumer Guide: electricity pricing plans](https://www.energy.gov.au/solar/financial-benefits-solar/electricity-pricing-plans-and-tariffs). Check the arrangement you actually have. Look for the export calculation, any event conditions, the import rate, daily charges and other fees. A neighbour's screenshot tells you little unless you know those terms as well. Our [feed-in tariff guide](https://solaranswers.com.au/guides/solar-feed-in-tariffs) explains the difference between export income and the broader value of your solar system. ## Battery capacity cannot all be sold at one instant A second distinction is between stored energy and the rate at which it can leave the property. Consider an explicitly hypothetical example: a system exports a constant **5 kW for five minutes**, with sufficient stored energy and permission to export at that rate. It would deliver about **0.417 kWh**. If all that energy received the event's reported peak wholesale price of $23.107/kWh, the arithmetic would be about **$9.63**, before adjustments or costs. This is an illustration, not an estimate of an actual customer's earnings. The real result depends on the applicable price, metering interval, equipment, household load and connection conditions. A 10 kWh battery cannot be assumed to sell all 10 kWh during one short price spike. Ask an installer or retailer to show both usable capacity and the relevant power and export limits in any revenue model. The government's explanation of [power, energy and export limits](https://www.energy.gov.au/solar/financial-benefits-solar/how-solar-pays-itself-and-batteries-reduce-bills) provides the underlying distinctions. ## The import side of the plan matters too Access to a high export price may come with exposure to changing purchase prices. Amber's own help page warns that consumption during a price spike can make a day expensive. It describes a quarterly protection mechanism for the average base wholesale generation-cost component, rather than a universal cap on every interval or the entire electricity bill. [Amber's billing guidance](https://help.amber.com.au/hc/en-us/articles/4421539830797-Why-is-my-bill-higher-than-usual). Read the current terms for the plan offered at your address. Do not assume that a protection mechanism cancels every possible charge, or that you will always have a full battery when expensive imports occur. A useful comparison includes an ordinary workday, a cloudy day and a high-demand evening. Ask what happens if the battery is already depleted. Then ask what happens if the internet connection or automated control is unavailable. The provider should explain the consequences for its particular service. There is no need to assume you would react manually to every market movement. If automation is part of the offer, its settings and limitations belong in the comparison. ## Export earnings are only one part of the result Selling stored solar can leave less energy for your own evening use. The Australian Government also identifies battery wear, warranty effects and backup reserves as issues to consider when joining a virtual power plant. Arrangements vary, so check the actual contract rather than treating all battery plans alike. [Government guidance on battery benefits and VPP risks](https://www.energy.gov.au/solar/financial-benefits-solar/how-solar-pays-itself-and-batteries-reduce-bills). Ask for a full-period comparison that includes: - Export credits received under the proposed plan. - Electricity purchases and all recurring plan charges. - Any additional cost of the equipment or service needed to participate. - The operating reserve you want to retain, where supported. - The assumptions used for future prices and battery operation. Avoid counting the same stored energy twice, once as an export earning and again as electricity available to run the house. Ask the modeller to identify where each claimed benefit comes from. SolarAnswers' [VPP guide](https://solaranswers.com.au/guides/virtual-power-plants-explained) can help you organise those contract questions. ## Use a good afternoon as evidence, not a forecast Amber's reported event demonstrates a real commercial opportunity for customers whose systems and plans could respond. It does not establish a typical annual return, and the company's total does not tell you what an individual household would receive. If you already have a battery, review your current plan using your own import and export data. If you are buying one, ask for the case with unusually profitable events removed as well as the case that includes them. That makes the importance of those assumptions visible. A defensible buying decision should still make sense after the excitement of a screenshot has passed. The right comparison is your expected whole bill, the service conditions and the cost of the system, with uncertainty left visible. ## Sources and dates All sources were accessed on **17 October 2026**. - [Amber, NSW electricity prices hit $23/kWh. Amber battery customers earned $2.12 million](https://www.amber.com.au/blog/nsw-electricity-prices-hit-23-kwh-amber-battery-customers-earned-2-12-million): published 16 October 2026; event 12 October. Company-reported customer results, not an independent audit. - [ABC News, Spring heatwave and coal outages deliver $2m payday for home battery owners](https://www.abc.net.au/news/2026-10-17/home-batteries-make-money-in-nsw-power-price-spike/107260880): Nathan Morris and Daniel Mercer, 17 October 2026. - [Modo Energy, Prices hit $23.1k/MWh in New South Wales as constraints divided BESS revenue](https://modoenergy.com/research/English/nsw-constraints-price-event-12-october-2026): Barnaby Winser; event 12 October 2026. Exact publication date not confirmed from the relative date display. Only the publicly accessible analysis was used. - [Australian Government, Electricity pricing plans and tariffs](https://www.energy.gov.au/solar/financial-benefits-solar/electricity-pricing-plans-and-tariffs): no publication date displayed. - [Australian Government, How solar pays for itself and batteries reduce bills](https://www.energy.gov.au/solar/financial-benefits-solar/how-solar-pays-itself-and-batteries-reduce-bills): no publication date displayed. - [Amber, Why is my bill higher than usual?](https://help.amber.com.au/hc/en-us/articles/4421539830797-Why-is-my-bill-higher-than-usual): updated 4 September 2026. Current contract terms must be checked before choosing a plan. Sources: - [Amber, NSW electricity prices hit $23/kWh. Amber battery customers earned $2.12 million](https://www.amber.com.au/blog/nsw-electricity-prices-hit-23-kwh-amber-battery-customers-earned-2-12-million) (checked 2026-10-17) - [ABC News, Spring heatwave and coal outages deliver $2m payday for home battery owners](https://www.abc.net.au/news/2026-10-17/home-batteries-make-money-in-nsw-power-price-spike/107260880) (checked 2026-10-17) - [Modo Energy, Prices hit $23.1k/MWh in New South Wales as constraints divided BESS revenue](https://modoenergy.com/research/English/nsw-constraints-price-event-12-october-2026) (checked 2026-10-17) - [Australian Government, Electricity pricing plans and tariffs](https://www.energy.gov.au/solar/financial-benefits-solar/electricity-pricing-plans-and-tariffs) (checked 2026-10-17) - [Australian Government, How solar pays for itself and batteries reduce bills](https://www.energy.gov.au/solar/financial-benefits-solar/how-solar-pays-itself-and-batteries-reduce-bills) (checked 2026-10-17) - [Amber, Why is my bill higher than usual?](https://help.amber.com.au/hc/en-us/articles/4421539830797-Why-is-my-bill-higher-than-usual) (checked 2026-10-17) ## Apartment solar sharing wins top design honours for SolShare URL: https://solaranswers.com.au/blog/solshare-apartment-solar-design-awards Published: 2026-10-15; updated: 2026-10-15 Allume Energy has won major Australian design awards for technology that shares rooftop solar between apartments. The recognition puts a familiar housing barrier in focus. Allume Energy's SolShare has received two major Australian design awards for tackling a familiar problem: an apartment building may have a suitable roof, while the people living beneath it still struggle to receive solar electricity on their individual accounts. The technology shares output from one solar system between separately metered homes. The recognition is significant because the design problem includes the building, its residents and its existing electricity arrangements, as well as the hardware installed in the switchboard area. ## What the award recognises [Good Design Australia](https://good-design.org/solshare-2026-australian-good-design-award-of-the-year-and-good-design-award-for-sustainability/) named SolShare its **2026 Award of the Year** winner and recipient of its **Sustainability Award**. Its announcement describes a system that allows residents to retain their existing electricity meters and retailers while sharing rooftop generation. The award organisation reports more than 13,000 apartments connected and more than 28 GWh delivered through the technology. Those are the published adoption figures, not an independent SolarAnswers audit. They indicate deployment beyond a prototype, but do not establish the savings or suitability of a future installation at another building. The recognition was covered by pv magazine Australia on 13 October. [Allume's own announcement](https://allumeenergy.com/en-au/media/aussie-innovation-wins-top-design-award) provides the company's account of the awards. ## How the manufacturer describes the sharing [Allume's product explanation](https://allumeenergy.com/en-au/solshare) says its hardware distributes electricity from a single rooftop array between participating apartments and common areas. A dynamic allocation system responds to consumption, with each household's share balanced across the month. The company describes ownership through owners corporation assets and installation by its certified partners. It offers a building-level feasibility assessment covering system size, costs, estimated savings and available funding. These are the manufacturer's descriptions. A proposal still needs to show how they apply to the actual building, including its electrical layout and the agreed allocation. General compatibility claims do not replace an installation design. ## Common-area solar and apartment solar solve different problems A building can put solar on its common-property meter to supply lifts, corridor lighting or other shared loads. That may benefit owners through reduced common expenses, but it does not necessarily reduce the electricity billed directly to each apartment. A shared system supplying individual dwellings must explain how power reaches those homes and how participation is recorded. This is why a comparison based only on the number of roof panels can miss the main design question. Before considering a price, the owners corporation should define the objective. Is it reducing common-property bills, providing energy to residents, or both? The proposal and its financial calculation should use the same objective. ## What a feasibility assessment should make visible Start with the available roof area and electrical infrastructure. Ask which apartments can participate, what access is needed, and whether the proposed cabling and equipment fit without unexpected work elsewhere in the building. Then examine allocation. How is each dwelling's share set? How is unused energy handled? How are common-area loads treated? What happens if an owner joins later or a dwelling is temporarily vacant? The answers affect both fairness and the financial estimate. Two apartments with the same allocation can use electricity differently during the day. A building-wide saving should not automatically be presented as an identical saving for every resident. ## Ownership, maintenance and changes of resident The owners corporation needs a clear record of who owns each component and who can authorise maintenance. It should also understand the warranty process, ongoing service costs and who is responsible if monitoring or allocation stops working. Residents need a usable explanation of what changes on their electricity account and what remains their responsibility. A new tenant or purchaser should be able to understand the arrangement without relying on the memory of the committee that approved it. For that reason, a useful approval package includes the design, the allocation agreement, the cost-sharing proposal and the maintenance plan. A presentation that supplies only a projected savings percentage leaves too much unresolved. ## What the award does and does not settle The awards recognise a design contribution to making shared solar accessible. They do not constitute a planning approval, a guarantee of performance at your building or proof of a particular payback period. The practical next step is a feasibility assessment that owners can read and compare. It should separate common-area and apartment benefits, identify assumptions and show how the system will be operated after installation. That is where the promise of shared solar becomes a decision a building can make with confidence. Sources: - [pv magazine Australia, Rooftop solar sharing system wins top design award (2026-10-13)](https://www.pv-magazine-australia.com/2026/10/13/rooftop-solar-sharing-system-wins-top-design-award/) (checked 2026-10-15) - [Allume Energy, award announcement, published 9 October 2026](https://allumeenergy.com/en-au/media/aussie-innovation-wins-top-design-award) (checked 2026-10-15) - [Good Design Australia, SolShare award announcement, 13 October 2026](https://good-design.org/solshare-2026-australian-good-design-award-of-the-year-and-good-design-award-for-sustainability/) (checked 2026-10-15) - [Allume Energy, SolShare product operation, ownership and installation guidance](https://allumeenergy.com/en-au/solshare) (checked 2026-10-15) ## Batteries are reshaping the power market. What does that mean for your bill? URL: https://solaranswers.com.au/blog/aemo-batteries-changing-wholesale-market Published: 2026-10-15; updated: 2026-10-15 AEMO says batteries are helping moderate wholesale prices and shift energy into the evening. A lower wholesale price still does not translate directly into a household bill. Batteries are becoming a more influential part of Australia's electricity market, both as buyers of daytime electricity and as suppliers during the evening. AEMO chief executive Daniel Westerman's latest account of the market describes a change in when energy is used and which technologies influence its wholesale price. For households, that raises two connected questions: how does storage change the market, and how much of that change reaches an electricity account? The answers involve different measures and different timescales. ## The figures behind the announcement [RenewEconomy's 14 October report](https://reneweconomy.com.au/aemo-says-batteries-big-and-small-cutting-power-prices-and-fundamentally-changing-the-grid/) says Westerman told a Sydney conference that grid-scale batteries set wholesale prices close to half the time in the September quarter. That compared with 18% a year earlier and 36% in the June quarter. He said prices were lower across every National Electricity Market region for the quarter. The comments preceded the full quarterly report, so they should be identified as the operator's early account rather than a completed SolarAnswers analysis of the underlying data. The same report describes homes with batteries drawing, on average, 70% to 75% less grid electricity at peak times than homes with solar alone. This is a comparison of demand in the reported household groups. It is not a promised reduction in an individual buyer's bill. ## Setting the price is different from supplying all the energy A technology can influence the price at the margin without supplying most of the electricity consumed. A price-setting share is therefore not a generation share. Reading the two as interchangeable would exaggerate what the battery fleet supplied. A useful way to think about storage is as a participant on both sides of the day. Charging adds demand when energy is available; discharging adds supply later. The value of that movement depends on timing, the amount stored and the difference between purchase and sale prices. It also has limits. A battery that has discharged needs to recharge before providing the same amount of energy again. Power capacity describes how quickly it can respond; energy capacity describes how much it can move. Both are needed to understand its contribution. ## What the market data can show [AEMO's NEM dashboard](https://www.aemo.com.au/energy-systems/electricity/national-electricity-market-nem/data-nem/data-dashboard-nem) publishes regional price and demand information, including five-minute dispatch data. It distinguishes actual and forecast information and allows users to examine different periods. For someone checking the claim about lower prices, a single low-price interval would not be enough. A meaningful comparison needs the same regions, the same averaging method and comparable periods. Weather, demand, outages and available generation can change alongside battery capacity. That makes the forthcoming quarterly detail important. It can help distinguish a persistent pattern from a result driven by a small number of unusual days. The conference remarks are evidence of a trend AEMO is observing, while a claim about its precise causes requires more analysis. ## Why the retail bill does not move in lockstep The Australian Energy Regulator's [explanation of energy bills](https://www.aer.gov.au/system/files/About%20energy%20bills_2.pdf) identifies wholesale energy, network and retail costs as components of the final account. A wholesale price movement affects one part of that chain. A household's bill is then calculated under its retail contract. The daily supply charge, usage rates and credits determine what appears on that account. A percentage fall in a wholesale indicator should not be applied directly to the entire bill. For a customer, the evidence of a saving is a comparison of actual plans and usage, including any changed rates. For the wider system, lower wholesale costs can be important even when the timing and size of retail changes differ. ## What to examine in a home battery proposal Separate the proposed household benefit from the claim about the grid. Ask the seller to show when your battery is expected to charge and discharge, which imports it would replace and what happens on days with little spare solar. If the proposal includes a virtual power plant, check which decisions remain yours and which belong to the operator. A financial projection should match those operating rules. It should also distinguish ordinary bill savings from payments that depend on specific events or participation conditions. The market development is significant because storage changes the timing of demand and supply. The buying decision still requires evidence about the system at your address. Those two analyses can support each other without being treated as the same calculation. Sources: - [RenewEconomy, AEMO says batteries, big and small, cutting power prices and “fundamentally” changing the grid (2026-10-14)](https://reneweconomy.com.au/aemo-says-batteries-big-and-small-cutting-power-prices-and-fundamentally-changing-the-grid/) (checked 2026-10-15) - [AEMO, National Electricity Market data dashboard and data definitions](https://www.aemo.com.au/energy-systems/electricity/national-electricity-market-nem/data-nem/data-dashboard-nem) (checked 2026-10-15) - [Australian Energy Regulator, About energy bills](https://www.aer.gov.au/system/files/About%20energy%20bills_2.pdf) (checked 2026-10-15) ## Battery installation complaints put workmanship and aftercare under scrutiny URL: https://solaranswers.com.au/blog/solar-power-nation-battery-installation-complaints Published: 2026-10-15; updated: 2026-10-15 ABC's August investigation examined complaints about Solar Power Nation installations, including a cracked battery base. The retailer disputed some concerns and offered further assessment and repairs. Solar Power Nation's installation complaints raise a practical question for battery buyers: who makes sure a system is properly finished, and who gets it fixed when the customer and seller disagree? Public records show that the concerns extend beyond an unhappy online review to formal action by a consumer regulator and the industry's voluntary code administrator. This article combines ABC's investigation with those records and government installation guidance. The customer accounts below were reported by **Michael Atkin and Lucy Kent for ABC News on 13 August 2026**. SolarAnswers has not interviewed the customers or inspected their systems. ## A cracked base, a changed design and an unfinished system Adrian Goodfellow told ABC his 41.94 kWh installation remained switched off almost five months after installation. He alleged that the battery was uneven, its concrete support had cracks covered with silicone, and panels had been placed differently from the agreed design. A review he commissioned raised safety and workmanship concerns. Solar Power Nation disputed some findings. It said the panel layout changed following an on-site roof assessment and offered necessary warranty work, including slab replacement within 28 days after independent review. Goodfellow said he had not received that offer when interviewed. ABC also described Amin Khorram's eight-month wait for a missing inverter. It was installed as a tribunal hearing approached; compensation remained disputed. The company said a balance remained unpaid and described the featured complaints as exceptional cases, while offering rectification or refunds where appropriate. [Read the investigation and the company's responses](https://www.abc.net.au/news/2026-08-13/solar-power-nation-complaints-cheaper-home-batteries-program/107006028). The photographed defect is a cracked support slab. It does **not** establish that a battery fell from a wall. That distinction matters when describing the allegation or sharing the image. ## What South Australia's regulator put on the record On 4 August, Consumer and Business Services SA [announced a public warning](https://cbs.sa.gov.au/news/shining-a-light-on-dodgy-solar-operators) concerning **1 Solar Australia, trading as Solar Power Nation**. CBS said it was investigating complaints about faulty or poor installations and deposits paid for products that had not been installed. The announcement placed the warning within wider enforcement work. CBS had received nearly 130 complaints about the solar sector in the preceding financial year, more than twice the previous year's number. Those are sector-wide figures, not 130 findings against this company. CBS also described action against other businesses and a dedicated Building Industry Response Team. A public warning signals a regulator's concern. It should not be rewritten as a court judgment establishing every allegation in an individual customer's dispute. ## Expulsion from the consumer code is a separate action The [NETCC compliance register](https://www.newenergytech.org.au/compliance-activity) lists 1 Solar Australia, trading as Solar Power Nation, as expelled from **15 December 2025**. The listed breaches cover contracts and financial disclosure, undocumented consent to a design variation, installation standards, and failure to cooperate with remedial action. These are findings under the voluntary consumer code. Code membership, an electrician's licence and eligibility to participate in a federal incentive scheme are different checks. A buyer needs to identify the contracting business as well as the person carrying out the electrical work. ## Why the mounting and handover deserve attention The Australian Government's [YourHome battery guidance](https://www.yourhome.gov.au/energy/batteries) says installation and maintenance require a licensed electrician with the relevant Solar Accreditation Australia accreditation. It discusses both floor-mounted and wall-mounted systems, along with location, temperature, access and maintenance considerations. A battery's capacity is only one part of the design. For a proposed installation, ask the installer to explain the support arrangement in the site plan. Where will the weight be carried? Does the design require building work? Who is responsible for that work, and is it included in the quote? A salesperson's photograph of a different house cannot answer those questions for your property. If you notice movement, damaged supports or an uneven installation, ask for a professional assessment. Photographs can help document the concern, but they cannot show whether concealed fixings, wiring or the structure behind them are adequate. Do not attempt to straighten or remount a connected battery yourself. ## What the federal inspections check The Clean Energy Regulator's [February safety update](https://cer.gov.au/news-and-media/media/2026/february/safety-priority-solar-battery-installations-surge) introduced additional geotagged and timestamped photographs of critical battery labels from 1 March 2026. These supplement installer-presence photographs. Labels matter because emergency responders and later tradespeople need to identify and isolate the system correctly. The regulator said installers must return to rectify non-compliant work. Missing required evidence can delay or prevent certificate claims. It also described cooperation with state and territory electrical safety regulators and the possibility of removing installers from the scheme. An incentive claim, a safety inspection and a completed commercial contract therefore answer different questions. Keep the handover documents, approved design, equipment list and any inspection or rectification records together. ## What would demonstrate that a complaint is resolved? An offer to return is a useful start. Completion needs evidence: a dated scope of repairs, the work actually performed, any required inspection and confirmation that the system can operate as intended. Where a design has changed, the revised drawing should match the installed equipment. For the customer accounts in this story, we have not established whether the proposed repairs or compensation were subsequently completed. The linked ABC report and regulator records identify the evidence available at the dates stated. The associated [ABC 7.30 video](https://www.youtube.com/watch?v=ypQXBLLQ_Us) remains available through the video link above. Sources: - [ABC News, Michael Atkin and Lucy Kent, Multiple investigations into solar power battery provider after hundreds of complaints (13 August 2026)](https://www.abc.net.au/news/2026-08-13/solar-power-nation-complaints-cheaper-home-batteries-program/107006028) (checked 2026-10-15) - [ABC News In-depth, The consumer fallout from the solar battery boom, 7.30 (YouTube, 15 August 2026)](https://www.youtube.com/watch?v=ypQXBLLQ_Us) (checked 2026-10-15) - [Australian Government, YourHome: Batteries, installation and maintenance guidance](https://www.yourhome.gov.au/energy/batteries) (checked 2026-10-15) - [Consumer and Business Services SA, Shining a light on dodgy solar operators (4 August 2026)](https://cbs.sa.gov.au/news/shining-a-light-on-dodgy-solar-operators) (checked 2026-10-15) - [New Energy Tech Consumer Code, public compliance and expulsion register](https://www.newenergytech.org.au/compliance-activity) (checked 2026-10-15) - [Clean Energy Regulator, Safety the priority as solar battery installations surge (February 2026)](https://cer.gov.au/news-and-media/media/2026/february/safety-priority-solar-battery-installations-surge) (checked 2026-10-15) ## Delayed installations, disputed workmanship: Australia's solar and battery trust problem URL: https://solaranswers.com.au/blog/australia-solar-battery-consumer-trust-problems Published: 2026-10-15; updated: 2026-10-15 Solar Power Nation and Lux Solar have faced scrutiny as battery complaints rise. We examine the problems between a sales promise, a completed installation and a workable remedy. Buying solar or a home battery is meant to give a household more control over its electricity costs. Recent complaints involving Solar Power Nation and Lux Solar expose a different experience: uncertainty about delivery, disagreement over the finished work and difficulty finding a practical resolution. The common issue is the distance between the sale and the outcome. A customer can have a signed contract, an apparently attractive incentive and a recognised brand, yet still struggle to obtain the system or service they expected. This is a **news analysis by SolarAnswers**, drawing together our earlier coverage, ABC investigations and public regulatory records. It examines the points where a purchase can break down. It does not establish that every complaint is substantiated, that the businesses have committed the same conduct, or that these examples represent the performance of the entire industry. ## Three stories that explain different parts of the problem Our [Solar Power Nation article](https://solaranswers.com.au/blog/solar-power-nation-battery-installation-complaints) examines disputed workmanship, unfinished work and the company's responses. It also sets out South Australia's public warning and the separate consumer-code record. The [original ABC investigation](https://www.abc.net.au/news/2026-08-13/solar-power-nation-complaints-cheaper-home-batteries-program/107006028) is linked throughout that report. The [Lux Solar report](https://solaranswers.com.au/blog/lux-solar-deposit-investigation-abc) concerns deposits and long installation delays, alongside the company's code status. The underlying [ABC investigation](https://www.abc.net.au/news/2026-10-14/lux-solar-battery-system-fail-federal-government-scheme/107248800) was published two months after its Solar Power Nation story. These are separate sets of customer accounts and regulatory issues. Our [NSW ombudsman article](https://solaranswers.com.au/blog/nsw-solar-battery-complaints-ewon-2026) adds the wider dispute-resolution context. It explains why a complaint about solar or batteries can encounter different pathways depending on the business and the issue involved. Together, the stories raise questions about delivery, installation quality and access to remedies. They do not justify treating every large advertiser as unreliable or assuming that all complaints end with the same finding. ## The national warning goes beyond individual companies In its [10 July battery report announcement](https://www.accc.gov.au/media-release/growing-home-battery-uptake-delivering-lower-electricity-bills-but-consumer-protections-needed), the ACCC said reports about household batteries and new energy services had increased by **107% over 12 months**. Problems included unsuitable systems, installation faults, poor performance and difficulty getting issues fixed. The regulator also found benefits: many households with solar and batteries had lower electricity bills. Its concerns included complicated contracts and limited compatibility between batteries and virtual power plant products, which could make comparison and switching difficult. This is an important distinction. Evidence that a technology can deliver useful savings does not establish that every sales process, installation or service contract works well. Equally, a rise in complaints does not prove that batteries generally fail to deliver benefits. The numbers need their proper boundary. Reports received by a regulator are not a count of proven defects, and an increase in reports is not automatically an increase in the failure rate. That would require information about installations, complaint outcomes and comparable periods. ## Problem one: the sale can get ahead of the delivery plan A complete battery proposal needs more than an equipment price. It needs a workable site design, available components, an installation team, any necessary electrical or building work and a realistic sequence for completion. If the quote leaves those matters open, a customer may believe they have bought a scheduled installation when the business has only begun arranging one. The disagreement becomes harder to resolve if the meaning of a deposit or a proposed date was never made clear. This is a question of documentation as well as capacity. A delivery estimate should identify what still depends on a site visit, network approval, stock or another trade. If something changes, the revised proposal should explain the effect on timing, scope and price. Our [article on the next scheduled battery discount change](https://solaranswers.com.au/blog/battery-rebate-drops-january-2027) explains why installation dates deserve attention. A deadline can add urgency, but urgency does not itself show that a retailer has the resources to complete the promised work. ## Problem two: the system sold and the system installed can diverge The written design is the reference point for comparing what a buyer agreed to with what appears at the property. A change of panel position, battery arrangement or inverter can affect more than appearance. Sometimes a site inspection reveals a legitimate reason to change the design. The important questions then become whether the customer receives an explanation, what consequences are assessed and how agreement to the change is recorded. An installation also has several possible finishing points. Equipment can be physically in place while commissioning, inspection, monitoring setup or an agreed item remains outstanding. Calling all of those stages "installed" can conceal the issue the customer is actually trying to resolve. A useful handover should therefore make completion visible: what was fitted, what was tested, what documentation was supplied and what remains to be done. That gives both sides a more precise starting point if a dispute follows. ## Problem three: an approval badge does not answer every question The [NETCC public register](https://www.newenergytech.org.au/compliance-activity) records expulsions for both Lux Solar and 1 Solar Australia, trading as Solar Power Nation. Those entries concern membership and obligations under the consumer code. The federal [Cheaper Home Batteries Program guidance](https://www.dcceew.gov.au/energy/programs/cheaper-home-batteries) describes separate safeguards involving eligible equipment, installer accreditation and electrical safety. It also identifies the involvement of the Clean Energy Regulator, Solar Accreditation Australia, the Clean Energy Council and state or territory safety regulators. For a buyer, these checks answer different questions. The contracting company's identity, the installer's qualifications, product eligibility and current code membership should each be identifiable. A logo on a quote cannot substitute for all four. The same care applies to online reputation. A review score may help a customer decide what to investigate, but it cannot show whether the proposed design is suitable or whether a particular installation has been completed correctly. Ask for evidence tied to the job, not only evidence of the seller's visibility. ## Problem four: a complaint can become a second project for the customer Once something goes wrong, the household has to explain the problem, identify the responsible business, gather records and find a service that can help. That effort can continue while the original equipment remains unavailable or disputed. South Australia's [August enforcement announcement](https://cbs.sa.gov.au/news/shining-a-light-on-dodgy-solar-operators) illustrates the regulator's role: CBS described sector complaints, investigations and action involving several businesses. That kind of enforcement addresses conduct in the market. It is not the same as confirmation that a named customer's installation or refund has been completed. This distinction matters when reading headlines about a crackdown. A warning, a code sanction, an investigation and an individual remedy are separate outcomes. One may lead to another, but they should not be reported as interchangeable. Our [NSW complaints coverage](https://solaranswers.com.au/blog/nsw-solar-battery-complaints-ewon-2026) explains the membership limits on the ombudsman's service. The wider question is whether a household can reach a suitable dispute process without being repeatedly passed between organisations. ## What stronger protection is being proposed? The ACCC's July announcement called for broader ombudsman coverage, code participation tied to access to the federal battery program, and an overarching consumer duty supported by electricity-specific protections. Those are reform proposals described in that release, not a statement that every proposed obligation is already in force. The intended direction is clear: make comparison easier, improve accountability and give consumers a workable route when an energy product or service goes wrong. Whether reform achieves that will depend on its detail and implementation. For the existing voluntary scheme, our [consumer-code article](https://solaranswers.com.au/blog/new-energy-tech-consumer-code-reauthorised) explains its role and limits. A code's existence is only part of the story; the practical questions are what happens after a breach and what assistance reaches the affected customer. ## The evidence that would show an improvement More confident advertising would not, by itself, answer these concerns. Useful evidence would include fewer unresolved delivery failures, clear records of agreed design changes, completed rectification and accessible complaint outcomes. For an individual dispute, a meaningful update should state what happened: the system was commissioned, the defect was repaired, the agreed refund was paid or a decision was issued. A promise to contact the customer is a different milestone. For a new buyer, ask for the same clarity before signing. The contract should let you identify the equipment, design, payment stages, completion arrangements and complaint contact. Keep later variations and handover records with it. The industry problem exposed by these reports is that the purchase experience can break at several points while responsibility becomes harder to follow. A credible response needs to connect the sales promise to the finished job and the finished job to ongoing support. That is the standard by which future improvements should be judged. Sources: - [ABC News, Solar Power Nation investigation, Michael Atkin and Lucy Kent (13 August 2026)](https://www.abc.net.au/news/2026-08-13/solar-power-nation-complaints-cheaper-home-batteries-program/107006028) (checked 2026-10-15) - [ABC News, Lux Solar investigation, Michael Atkin (14 October 2026)](https://www.abc.net.au/news/2026-10-14/lux-solar-battery-system-fail-federal-government-scheme/107248800) (checked 2026-10-15) - [ACCC, Home battery uptake and consumer protection findings (10 July 2026)](https://www.accc.gov.au/media-release/growing-home-battery-uptake-delivering-lower-electricity-bills-but-consumer-protections-needed) (checked 2026-10-15) - [Consumer and Business Services SA, solar sector enforcement update (4 August 2026)](https://cbs.sa.gov.au/news/shining-a-light-on-dodgy-solar-operators) (checked 2026-10-15) - [New Energy Tech Consumer Code, compliance and expulsion register](https://www.newenergytech.org.au/compliance-activity) (checked 2026-10-15) - [Energy & Water Ombudsman NSW, annual report announcement 2025-2026](https://www.ewon.com.au/page/media-center/news/misc/annual-report-2025-2026) (checked 2026-10-15) - [DCCEEW, Cheaper Home Batteries Program and consumer safeguards](https://www.dcceew.gov.au/energy/programs/cheaper-home-batteries) (checked 2026-10-15) ## Four-hour storage beats gas on cost in a new global market comparison URL: https://solaranswers.com.au/blog/four-hour-storage-gas-cost-comparison Published: 2026-10-15; updated: 2026-10-15 Wood Mackenzie modelling puts four-hour battery storage ahead of gas peakers across 43 markets. The comparison concerns power-system projects, rather than household battery payback. Four-hour battery storage has moved ahead of gas peaking generation on cost across every market where Wood Mackenzie modelled both technologies. The finding is a substantial signal for electricity investment, but its meaning depends on understanding exactly what was compared. The study concerns new electricity-system assets. It does not establish that any battery can replace any gas plant, or that a home battery has the same economics as a grid-scale project. ## The study and its publication date [Wood Mackenzie's announcement, dated 8 October 2026](https://www.woodmac.com/press-releases/four-hour-battery-storage-now-beats-gas-peaking-on-cost-globally), says four-hour storage has a lower modelled levelised cost than open-cycle gas turbines in all **43 markets** where both were assessed. pv magazine Australia reported the findings on 13 October. The analyst also found single-axis tracking solar to be the lowest-cost new-build generation option in 43 of 48 markets, with onshore wind leading in the other five. It attributes the changing storage comparison to expanding battery manufacturing, gas turbine supply constraints and fuel-price volatility. Its regional discussion describes substantial differences in costs between markets. The worldwide result is therefore a set of comparisons under the study's assumptions, not one universal project price. The public announcement does not provide every model input required to reproduce those comparisons independently. ## What a four-hour battery can and cannot tell you A storage system's duration relates its stored energy to its rated power. As a simple illustration, a 100 MW battery with 400 MWh of nominal energy capacity has a four-hour ratio. This example explains the units; it is not a specification for a particular project. A project still needs an operating strategy. How often will it cycle? What electricity will charge it? How much capacity must remain available for other services? What happens during a prolonged period with limited opportunities to recharge? These questions affect whether a battery provides the required service at the modelled cost. A comparison aimed at regular evening peaks answers a different question from one aimed at covering an extended supply shortage. ## Cost per unit of energy is only part of a system decision CSIRO's [GenCost explainer](https://www.csiro.au/en/news/all/articles/2023/october/gencost-explainer), updated in July 2026, distinguishes the cost of individual technologies from the cost of a portfolio meeting electricity demand. Its system-level approach considers a combination of generation and storage rather than treating one plant's levelised cost as the final answer for the whole grid. That provides useful context for reading the Wood Mackenzie result. A low-cost technology still has to be deployed in the right combination, location and quantity. Reliability and the timing of supply cannot be inferred from an average cost alone. CSIRO and Wood Mackenzie use different studies and frameworks. The GenCost material is explanatory context here, not independent confirmation of the precise 43-market result. ## The assumptions worth examining A serious project comparison should make the following inputs visible: - **Charging and fuel:** the price and availability of the energy each asset needs. - **Utilisation:** how often the plant operates and how much useful output it delivers. - **Lifetime:** degradation, maintenance and any replacement or augmentation costs. - **Finance and construction:** capital cost, financing terms and delivery timetable. - **Service requirement:** the duration and availability needed when the system calls on it. Changing an assumption can change the result. For example, a battery with fewer useful cycles spreads its fixed costs across less delivered energy. A gas plant exposed to more expensive fuel faces a different operating cost. Neither effect is captured by comparing equipment purchase prices alone. ## Why this is relevant to solar development Storage offers a way to move some solar output into periods when customers need it. The economic question is whether the value of that shifted energy and other services covers the cost of storing it, including losses and the cost of charging. The reported cost trend can therefore affect decisions about combining new solar with batteries or adding storage to an existing site. It does not remove the need for a location-specific assessment of connection limits, available energy and expected revenue. For households, the equivalent exercise is a separate calculation using the installed quote, usage, tariff and operating rules. A global study can explain why storage is attracting investment. It cannot supply the missing inputs for your own payback estimate. The next useful evidence is the detailed regional assumptions and the performance of projects built under them. That is how a broad cost finding becomes a demonstrable result on an actual electricity system. Sources: - [pv magazine Australia, Four-hour BESS undercuts gas peakers in 43 global markets (2026-10-13)](https://www.pv-magazine-australia.com/2026/10/13/four-hour-bess-undercuts-gas-peakers-in-43-global-markets/) (checked 2026-10-15) - [Wood Mackenzie, Four-hour battery storage now beats gas peaking on cost globally (8 October 2026)](https://www.woodmac.com/press-releases/four-hour-battery-storage-now-beats-gas-peaking-on-cost-globally) (checked 2026-10-15) - [CSIRO, Understanding the cost of Australias electricity transition, updated 15 July 2026](https://www.csiro.au/en/news/all/articles/2023/october/gencost-explainer) (checked 2026-10-15) ## Free midday electricity is changing when households use power URL: https://solaranswers.com.au/blog/free-midday-power-household-demand Published: 2026-10-15; updated: 2026-10-15 AEMO has observed demand rising when some free-power periods begin. For households, the useful next step is comparing the whole tariff, including the hours that are not free. The effect of free midday electricity offers is beginning to appear in demand data. Households can move charging and other flexible uses into a cheaper period, and the resulting change is large enough for the electricity market operator to notice. That is encouraging evidence of a response to prices. Whether it makes a particular household better off depends on what the customer pays during the rest of the day and how much electricity can realistically be shifted. ## What AEMO observed at 11 am In [reporting published on 14 October](https://reneweconomy.com.au/stunning-example-of-market-working-households-embrace-free-power-offer-causing-major-spike-in-demand/), RenewEconomy described AEMO chief Daniel Westerman's observation of an approximately **360 MW increase in NEM demand at 11 am**. He linked the pattern to households scheduling battery charging, EV charging and appliances around free-power periods. The article also reported Grattan Institute analysis questioning how much of the change could be assigned specifically to batteries. Hot water and other timed loads could contribute. An aggregate demand curve shows when consumption changes; it does not, on its own, identify the equipment behind every extra megawatt. That distinction avoids overstating the result. The pattern is consistent with households responding to a tariff signal, but the precise mix of devices remains uncertain. ## Victoria's offer has now begun The Victorian Government's [Midday Power Saver information](https://www.energy.vic.gov.au/households/save-energy-and-money/victorian-midday-power-saver) says the offer became available on **1 October 2026**, with a no-cost electricity period from **11 am to 2 pm** each day. The government warns that rates outside the window and daily supply charges may be higher. It recommends comparing all available offers and discussing the effect on the household's current usage with the retailer. The page also identifies fair-use provisions, so customers should check the applicable limits and excess-use charges rather than assume unlimited free consumption. A household unable to move much usage may find another plan cheaper. The offer is therefore an option to compare, not an automatic improvement for every Victorian account. Other states and commercial plans have their own terms; the Victorian timetable should not be applied to all offers nationally. ## The comparison that matters Start with your current consumption by time of day. Then separate it into three groups: use that already occurs in the proposed free window, use that could be moved, and use that must remain at other times. An EV that is normally away from home during those hours belongs in a different category from a dishwasher with a suitable delayed-start function. A household should not count the same load as movable every day if its actual routine only permits a weekend change. Compare the whole bill after making those assumptions. Include the supply charge, paid usage periods, export credits and any additional fees or conditions. A lower price for one part of consumption can be offset by higher prices elsewhere. ## Solar owners need to distinguish generation from imports The Australian Government's [solar financial benefits guidance](https://www.energy.gov.au/solar/financial-benefits-solar/how-solar-pays-itself-and-batteries-reduce-bills) explains the difference between using solar within the home and exporting surplus generation. Electricity used directly avoids a grid purchase; exported energy earns a credit if the plan includes a feed-in tariff. That distinction changes the free-power calculation. If a midday appliance already runs on your own solar, its existing grid-import cost may already be zero. Moving to a free-import offer does not automatically create a second saving on that same electricity. A battery introduces another timing decision. Filling it from the grid can leave less room for later solar generation. Whether that is useful depends on the day's generation, later consumption, export arrangements and permitted charging settings. The comparison needs to follow energy through the whole day. ## Practical changes before buying more equipment Review the timers and scheduling options already available in your home. Confirm the plan's clock times and daylight-saving treatment with the retailer, and check whether each appliance can safely be scheduled in the way intended. Avoid treating a three-hour window as a reason to switch every large load on together. The home's electrical capacity and the equipment's operating instructions still apply. An electrician can assess any proposed changes to fixed wiring or charging equipment. After switching, compare bills and interval data over a meaningful period. Record any change in household routine so that an apparent saving is not mistakenly attributed entirely to the tariff. The demand jump is an interesting system-level result; your own data will show whether the offer works for your home. Sources: - [RenewEconomy, “Stunning example of market working:” Households embrace free power offer, causing major spike in demand (2026-10-14)](https://reneweconomy.com.au/stunning-example-of-market-working-households-embrace-free-power-offer-causing-major-spike-in-demand/) (checked 2026-10-15) - [Victorian Government, Midday Power Saver offer and consumer guidance](https://www.energy.vic.gov.au/households/save-energy-and-money/victorian-midday-power-saver) (checked 2026-10-15) - [Australian Government, How solar pays for itself and batteries reduce bills](https://www.energy.gov.au/solar/financial-benefits-solar/how-solar-pays-itself-and-batteries-reduce-bills) (checked 2026-10-15) ## LGI signs a $22 million deal for two operating Queensland solar farms URL: https://solaranswers.com.au/blog/lgi-queensland-solar-farm-acquisition Published: 2026-10-15; updated: 2026-10-15 LGI has agreed to acquire the Brigalow and Chinchilla solar farms. The deal also opens a possible path to storage additions, although those battery plans remain preliminary. LGI's Queensland solar acquisition brings two operating plants into the discussion about what existing renewable assets are worth, and how adding storage might change their role. The reported **$22 million agreement** covers Brigalow and Chinchilla, with a combined installed panel capacity of 54.4 MW. The plants' ability to export is lower than that installed figure. Keeping those ratings separate is essential when comparing the transaction price, generating capability and possible future battery investment. ## What was reported on 12 October [pv magazine Australia's report](https://www.pv-magazine-australia.com/2026/10/12/queensland-solar-farms-change-hands-in-22-million-deal/) describes a binding agreement between LGI and IIG Solar Asset Trust. Chinchilla has 19.9 MW of installed capacity and 14.7 MW of export capacity; Brigalow has 34.5 MW installed and 27.3 MW of export capacity. The report says Chinchilla began commercial operation in 2019 and Brigalow in 2021. LGI described the purchase price as below the development cost of comparable new assets. That is the buyer's valuation claim, not a replacement-cost assessment carried out by SolarAnswers. The agreement also included a possible next chapter: LGI said preliminary studies supported consideration of batteries at the sites. A preliminary assessment is not a final investment decision, construction contract or commissioned storage system. ## What LGI says about operating the assets LGI's [Brigalow project page](https://lgi.com.au/project/brigalow-solar-farm/) describes the company as having acquired a 100% operating interest in both farms. It identifies their combined capacity as approximately 42 MW AC and 54 MW of panels, and describes plans to use its Dynamic Asset Control System to manage dispatch. The company says the control system can respond to price changes and curtail output when spot prices are negative. It also presents co-located storage as a future opportunity alongside its existing landfill biogas generation portfolio. The project page does not provide a settlement date in the material reviewed. We therefore distinguish the dated news report about the binding agreement from the company's current description of ownership, without inventing a completion date. ## Why there are two capacity totals Adding the published panel ratings gives **34.5 + 19.9 = 54.4 MW**. Adding the export ratings gives **27.3 + 14.7 = 42 MW**. The first describes the installed solar array; the second describes the reported export capability. Using the same $22 million price, division by 54.4 MW produces about **$404,000 per MW of installed panels**. Division by 42 MW gives about **$524,000 per MW of export capability**. These are SolarAnswers calculations from the reported transaction and ratings, rounded to the nearest thousand dollars. Neither calculation is an all-purpose valuation metric. They show why a price-per-megawatt comparison needs to specify its denominator. They also do not include an independent assessment of asset condition, liabilities, operating costs or the value of future opportunities. ## What storage could change A solar plant can only sell the energy it produces when it is available unless some output is stored. Adding a battery could allow a portion to be sold later, subject to losses, storage capacity and connection arrangements. That possibility does not prove the investment will pay. A detailed study would need to compare the value of shifted energy and other services against charging costs, battery cost, operating expenditure and degradation. It would also need to establish whether the existing connection can support the proposed charging and discharge arrangement. Control software and storage solve related but different problems. Curtailing output can avoid generating into an unfavourable price interval. A battery may preserve some energy for later use, but it adds equipment and operating obligations. The cost-benefit comparison must include both. ## How to judge the next announcement A meaningful battery update would identify a proposed power rating, storage capacity, connection approach and investment status. A statement that a site is suitable for storage does not provide those details. For the existing farms, useful operating evidence includes actual generation, availability, curtailment and realised revenue over comparable periods. Those measures would help assess whether the acquisition and dispatch strategy are delivering the expected result. For household readers, the transaction is evidence about operating solar assets and industry strategy. Its price cannot be used as a rooftop installation benchmark: the assets, scale, connection and commercial obligations are different. The main lesson is to compare like with like, especially when one headline uses panel capacity and another uses export capacity. Sources: - [pv magazine Australia, Queensland solar farms change hands in $22 million deal (2026-10-12)](https://www.pv-magazine-australia.com/2026/10/12/queensland-solar-farms-change-hands-in-22-million-deal/) (checked 2026-10-15) - [LGI, Brigalow Solar Farm project overview and Queensland solar portfolio](https://lgi.com.au/project/brigalow-solar-farm/) (checked 2026-10-15) ## Lux Solar faces investigation over customers' delayed battery installations URL: https://solaranswers.com.au/blog/lux-solar-deposit-investigation-abc Published: 2026-10-15; updated: 2026-10-15 Queensland's consumer watchdog is investigating Lux Solar, ABC News reports, after customers described paying deposits and waiting about a year for their home batteries. Paying for a battery reserves more than equipment. A household is also relying on a business to arrange an installer, finish the work and explain what happens if the promised timetable slips. The Lux Solar complaints show how damaging a long wait can become when those arrangements remain unresolved. This article draws on **Michael Atkin's ABC News investigation, published 14 October 2026**, the NETCC's public register and consumer regulators' guidance. The customer accounts are ABC's reporting; the contract analysis below is SolarAnswers' own. ## The customers waiting for installation ABC reported that Perth customer Bob Emery paid a $1,000 deposit in October 2025 for a 48 kWh system. A November estimate put installation two to four weeks away. He later sought a refund and was still waiting about a year after paying. Brisbane customer Justin Albin also described a year-long wait. He rejected a refund offer because replacing the deal would mean a lower rebate and lost expected benefits. A revised proposal involved five batteries instead of three and changes to timber boards at his home. Queensland's Office of Fair Trading confirmed an investigation to ABC. The broadcaster also reported that Lux Solar continued displaying approved-seller wording after removal from the industry code. Lux Solar did not respond to ABC's interview request and written questions before publication. That is the response status in the original report, not evidence of an admission. [Read ABC's investigation](https://www.abc.net.au/news/2026-10-14/lux-solar-battery-system-fail-federal-government-scheme/107248800). ## The code register provides a separate, dated record The [NETCC compliance register](https://www.newenergytech.org.au/compliance-activity) lists **Lux Solar Pty Ltd as expelled on 30 June 2026**. Its published entries identify failures to carry out warranty repairs or replacements within a reasonable timeframe and to cooperate with the code administrator's investigation. The register establishes the code action and its date. It does not decide each customer's entitlement to a refund or compensation. Buyers should check current membership directly, using the business name on the contract, rather than rely on a logo in an advertisement. ## Why a changed battery proposal needs a fresh review Changing the number of units can alter the physical installation even when a sales proposal presents it as an equivalent replacement. The useful comparison is a written, line-by-line one: model numbers, usable capacity, inverter compatibility, mounting position, building work, warranty and final price. For a customer already waiting, those questions can feel like starting again. But agreeing to an unclear variation can make it harder to identify what the installer is now promising. Ask for a revised drawing and an explanation of who pays for any additional preparation. Keep the earlier quote alongside it so changes remain visible. A refund offer also answers only one part of a dispute. A customer may additionally be arguing about delay, expenses or lost benefits. Whether those losses are recoverable depends on the circumstances and evidence; expected savings in a sales estimate are not automatically an amount owed. ## What the regulator says about taking payment The ACCC's [guidance on paid-for products and services](https://www.accc.gov.au/business/selling-products-and-services/supplying-products-or-services-that-are-paid-for) says businesses must not accept money when they do not intend to supply, intend to supply something materially different, or know or should know they cannot deliver by the promised date or within a reasonable time. A delay alone does not establish a breach. Unexpected events can affect supply. The ACCC says businesses should give clear information about availability, likely timing and the solutions available, and proactively update affected customers. The appropriate remedy can depend on the reason for the delay and the agreement. The ACCC uses reports to inform enforcement but does not resolve individual delayed-supply disputes. These general rules explain the issues a complaint may raise; they do not establish that Lux Solar breached them in a particular contract. ## The paperwork that makes a complaint understandable [Consumer Protection WA's solar guidance](https://www.consumerprotection.wa.gov.au/publications/solar-panel-systems-factsheet) recommends clear start and completion dates and receipts for deposits. It also explains that consumer guarantees apply to the products and the installation service, including care and skill and completion within a reasonable time. For an unresolved order, organise the records into a simple chronology: - The date and version of the accepted quote, including the contracting company's name. - The payment date, receipt and amount, with any stated purpose for the deposit. - Each promised installation date, cancellation and explanation received. - Your requested outcome and the business's written response. - Any revised equipment proposal, refund offer or completed work. Attach the relevant documents rather than relying on a long account of unanswered calls. Ask the business for a specific written response to the outstanding issues. State consumer agencies can advise on the available complaint route for your circumstances; a news article cannot determine the outcome of that process. ## Delivery claims deserve the same scrutiny as battery specifications The ACCC's [solar supplier guidance](https://www.accc.gov.au/business/specific-products-and-activities/solar-panel-systems-and-home-batteries) says claims about availability and installation need a reasonable basis. Suppliers must also avoid misleading statements about savings, rebate eligibility and installer qualifications, and must not omit potential delays that affect a buying decision. For a new quote, ask what supports the proposed date: allocated stock, an identified installation team, a completed site assessment and any required approvals. A written answer is easier to compare with later events than a reassurance that a booking is coming soon. ## What is still unknown The investigation and individual accounts should not be described as a court finding of fraud. This article does not establish that all outstanding Lux Solar orders remain unresolved, or that the customers identified by ABC have since received installations or refunds. A confirmed resolution would require fresh evidence from the parties or an official decision. The records linked here were checked on 15 October 2026. Sources: - [ABC News, Michael Atkin, Lux Solar investigated by watchdog as consumers say they were ripped off (14 October 2026)](https://www.abc.net.au/news/2026-10-14/lux-solar-battery-system-fail-federal-government-scheme/107248800) (checked 2026-10-15) - [New Energy Tech Consumer Code, public compliance and expulsion register](https://www.newenergytech.org.au/compliance-activity) (checked 2026-10-15) - [ACCC, Supplying products or services that are paid for](https://www.accc.gov.au/business/selling-products-and-services/supplying-products-or-services-that-are-paid-for) (checked 2026-10-15) - [Consumer Protection WA, Solar panel systems factsheet](https://www.consumerprotection.wa.gov.au/publications/solar-panel-systems-factsheet) (checked 2026-10-15) - [ACCC, Solar panel systems and home batteries](https://www.accc.gov.au/business/specific-products-and-activities/solar-panel-systems-and-home-batteries) (checked 2026-10-15) ## NSW solar and battery complaints more than double, ombudsman warns URL: https://solaranswers.com.au/blog/nsw-solar-battery-complaints-ewon-2026 Published: 2026-10-15; updated: 2026-10-15 EWON recorded 677 complaints about consumer energy resources in 2025-26, up from 301. Its latest annual report highlights gaps in access to dispute resolution. The number of solar, battery and related energy complaints reaching NSW's energy ombudsman has more than doubled. But the larger issue raised by the latest figures is what happens after someone asks for help: the ombudsman cannot resolve every complaint about a business selling these products. The figures cover **2025-26**, not the number of complaints lodged this month. They come from Energy & Water Ombudsman NSW's annual reporting, covered by Energy Source & Distribution on 14 October. SolarAnswers has also checked EWON's published guidance on its jurisdiction and complaint process. ## From 301 complaints to 677 [Energy Source & Distribution reports](https://esdnews.com.au/ombudsman-says-solar-and-battery-complaints-have-doubled/) that EWON recorded 677 complaints about consumer energy resources, up from 301 a year earlier. This category includes household solar and batteries. EWON referred 183 customers with these complaints to Fair Trading during the year. Ombudsman Janine Young said access to external dispute resolution was fragmented. Her concern was that households could be referred between organisations instead of reaching a service able to resolve the matter. EWON wants its coverage to extend across businesses selling solar, batteries, virtual power plants and residential EV charging. The article reports 27,011 energy and water complaints overall. The 677 consumer-energy-resource complaints are a subset, not the total number of people seeking help with energy bills and services. ## What the increase actually measures The increase is **376 complaints**, or approximately **125%**, calculated as `(677 - 301) / 301`. Put another way, the new total is about 2.25 times the previous year's count. Those calculations explain the headline; they do not add a new dataset. It would be misleading to describe this as a 125% increase in defective batteries. A complaint may concern a sales representation, delivery, billing, equipment, a service or handling of an earlier problem. The reported total does not provide a breakdown proving which issue caused the increase. Nor does it provide the denominator needed to calculate an installation failure rate. That would require comparable information about the number and type of systems installed, the period in which they were used, and which complaints were substantiated. Growth in purchases and changes in awareness of complaint services can also affect the number of people who make contact. The 183 referrals indicate a substantial access problem. Dividing that number by 677 gives roughly 27%, but it should not be presented as the share of all NSW battery customers left without help. Both numbers relate to the complaints discussed in this reporting, not the whole market. ## Why the seller's identity matters EWON's [complaint guidance](https://www.ewon.com.au/page/making-a-complaint/what-can-i-complain-about) says a provider must be a member of its scheme for a complaint to fall within its coverage. Solar, batteries and energy services are among the issues it can consider, alongside billing, connections and supply problems. It asks customers to first give their provider an opportunity to resolve the matter. If the answer is unsatisfactory or the problem remains, customers can contact EWON or lodge a complaint online. Independent advice is also available before a dispute reaches that point. In practice, a household may have several businesses involved: the company on the solar contract, a subcontracted installer, a battery manufacturer and its electricity retailer. These relationships should be recorded separately. A complaint about an export credit on an electricity account is different from a dispute about whether an installer completed the contracted work, even though both involve the same rooftop system. ## The broader bill-pressure context EWON's [annual report announcement](https://www.ewon.com.au/page/media-center/news/misc/annual-report-2025-2026) says total complaints remained above 27,000 for the third successive year. Billing problems appeared in 71% of complaints. These included high or estimated bills and errors involving payments and rebates. Complaints about payment difficulties, including debt, increased by 14%. That wider picture helps explain why delays and unresolved technical problems matter to a household budget. Someone expecting a working system may still be paying their previous electricity costs while trying to settle a dispute. However, the annual figures do not establish a particular customer's losses or prove that an advertised savings estimate would have been achieved. ## Consumer protections and dispute access are different questions The ACCC's [solar and battery guidance](https://www.accc.gov.au/business/specific-products-and-activities/solar-panel-systems-and-home-batteries) explains that consumer law covers both the products and services. Suppliers have obligations around truthful sales claims, consumer guarantees and required information. The ACCC also makes clear that it does not resolve individual solar or battery disputes. The practical gap is therefore between having rights and finding a service with the authority to deal with the business concerned. EWON's proposal seeks to address access. It should not be described as a new membership requirement already applying to every installer. ## How to prepare an unresolved complaint Start with a short statement of the problem and the outcome sought. For example, identify whether you are asking for completion of agreed work, correction of an account, a repair or a response to a refund request. Attach the contract and correspondence that support that request. For a performance dispute, keep the sales calculation separate from the monitoring data and electricity bills. For a delay, list the promised dates and what happened on each occasion. For a billing issue, identify the affected billing periods and entries rather than sending an unexplained folder of statements. Check the business's scheme membership with EWON and explain which company took payment. If the matter falls outside its jurisdiction, ask which organisation can assist and retain the referral details. The [annual report](https://www.ewon.com.au/page/publications-and-submissions/annual-reports/annual-report-2025-2026) records the broader problem; your documents establish the facts of your own case. Sources: - [Energy Source & Distribution, Ombudsman says solar and battery complaints have doubled (14 October 2026)](https://esdnews.com.au/ombudsman-says-solar-and-battery-complaints-have-doubled/) (checked 2026-10-15) - [Energy & Water Ombudsman NSW, Annual Report 2025-2026](https://www.ewon.com.au/page/publications-and-submissions/annual-reports/annual-report-2025-2026) (checked 2026-10-15) - [Energy & Water Ombudsman NSW, annual report announcement](https://www.ewon.com.au/page/media-center/news/misc/annual-report-2025-2026) (checked 2026-10-15) - [EWON, What can I complain about?](https://www.ewon.com.au/page/making-a-complaint/what-can-i-complain-about) (checked 2026-10-15) - [ACCC, Solar panel systems and home batteries](https://www.accc.gov.au/business/specific-products-and-activities/solar-panel-systems-and-home-batteries) (checked 2026-10-15) ## Risen targets reflected light with a new anti-glare solar panel URL: https://solaranswers.com.au/blog/risen-anti-glare-hjt-solar-module Published: 2026-10-15; updated: 2026-10-15 Risen has announced a high-power HJT module designed for sites with glare restrictions. The published specifications are manufacturer claims, rather than SolarAnswers test results. Risen's new anti-glare module is aimed at a constraint that ordinary panel comparisons can miss: what happens to light reflected towards neighbouring properties, roads or other sensitive locations. A panel can have attractive electrical specifications and still require careful assessment of its surroundings. The product announcement, reported by pv magazine Australia on 13 October, concerns an HJT module in Risen's Hyper-ion range. For this expanded article, SolarAnswers checked the manufacturer's anti-glare datasheet as well as the news report. ## The specifications that can be checked Risen's [RSM132-8-710-730BHDG anti-glare datasheet](https://en.risen.com/uploads/20260821/Anti-Glare_RSM132-8-710-730BHDG%20IEC1500V-33mm%202026H2-1-EN.pdf) lists: - A power range of **710 W to 730 W**. - Maximum module efficiency of **23.5%**. - N-type heterojunction cells and anti-glare glass. - A stated **15-year product warranty** and **30-year linear power warranty**, subject to the applicable warranty document. - A claimed **Class AAA anti-glare certification from TÜV Rheinland**. The sheet is marked **preliminary** and tells buyers to confirm the certificates applicable in the destination market. These are manufacturer specifications and claims. SolarAnswers has not tested the product or independently authenticated a certificate covering a particular shipment. ## What the anti-glare claim describes [pv magazine's report](https://www.pv-magazine-australia.com/2026/10/13/risen-releases-23-5-efficient-anti-glare-hjt-solar-module/) describes an optical approach combining the glass surface with control of internal reflections. The intended applications include sites near airports and residential areas where glare is a design concern. That is a different question from whether the panel generates electricity efficiently. The efficiency figure describes conversion under specified test conditions; an anti-glare claim concerns reflected light. Neither figure, by itself, tells a planner what a neighbour or road user will see from a particular position. The appropriate next evidence is the test method, certificate scope and project-specific assessment. A label such as AAA only becomes useful when the designer explains what was measured and why that result meets the relevant requirement. ## Why the site still matters The observer's position, the panel orientation and the path of the sun affect whether a reflection is relevant. A roof layout must therefore be examined in context. A product intended to reduce glare does not remove the need to understand who or what could be affected. For a residential proposal, ask the designer to identify the concern precisely. Is it a neighbouring window, a road, an aviation requirement or a planning condition? The documentation should explain how the proposed module and layout address that concern. It should also identify the exact product variant. Using a brochure for an entire panel family is weaker evidence than a datasheet and certificate matching the model in the quote. ## Power, efficiency and roof fit are separate comparisons A higher-wattage panel may reduce the number of modules needed for a given nameplate capacity. It does not necessarily produce the best layout on a roof with hips, vents, setbacks or narrow usable areas. Dimensions, mounting options, handling and inverter compatibility remain relevant. For that reason, compare complete designs. Ask how many panels actually fit, how the strings are arranged and what annual generation is expected under the same assumptions. Comparing only the largest wattage printed on each datasheet can overlook a better use of the available roof area. The manufacturer's preliminary sheet also discusses rear-side generation and notes that it depends on the mounting arrangement and reflected light. A bifacial rating should not be treated as a guaranteed extra yield on every roof. ## Warranty wording needs its own check A product warranty and a performance warranty cover different promises. The first concerns the product under its terms; the second specifies an output commitment over time. A long performance period should not be read as a promise that all labour, access, transport or replacement costs are covered for the same period. Before specifying the module, obtain the current Australian warranty terms, identify the local supplier responsible for a claim and confirm availability. The announcement alone does not establish Australian stock, an installed price or suitability for a specific home. The useful development is that reflected light is being addressed as a product-design requirement. The useful buying evidence is more exact: a confirmed model, an applicable test record and a site design that demonstrates why the proposed solution fits. Sources: - [pv magazine Australia, Risen releases 23.5%-efficient anti-glare HJT solar module (2026-10-13)](https://www.pv-magazine-australia.com/2026/10/13/risen-releases-23-5-efficient-anti-glare-hjt-solar-module/) (checked 2026-10-15) - [Risen Energy, preliminary RSM132-8-710-730BHDG anti-glare module datasheet, 2026 H2](https://en.risen.com/uploads/20260821/Anti-Glare_RSM132-8-710-730BHDG%20IEC1500V-33mm%202026H2-1-EN.pdf) (checked 2026-10-15) ## Rooftop solar sets a new output record across the main electricity market URL: https://solaranswers.com.au/blog/rooftop-solar-nem-october-record Published: 2026-10-15; updated: 2026-10-15 Rooftop systems reached about 17.49 GW at noon on 11 October, according to industry monitoring reported the next day. It was an instantaneous output record, rather than daily generation. Rooftop solar reached a new instantaneous output record across the National Electricity Market on Sunday 11 October. The milestone shows the scale of electricity now coming from household and business roofs, while also illustrating why power-system records need their units and boundaries explained. The reported peak was **17,488 MW**, or approximately **17.49 GW**, at noon. It is an output measurement at a particular time, not a daily total of energy and not the installed capacity of all rooftop panels. ## The national and state records [pv magazine Australia's 12 October report](https://www.pv-magazine-australia.com/2026/10/12/rooftop-solar-reaches-new-highs-across-nem/) attributes the figures to Geoff Eldridge of Global Power Energy's NEMLog. The rooftop peak exceeded the previous 16,993 MW record by 495 MW. At the new peak, rooftop and utility-scale solar together supplied a reported 72.29% of NEM consumption. The same report describes state rooftop records in the preceding days: 4,191 MW in Victoria and 2,070 MW in South Australia on 7 October, followed by 6,346 MW in NSW on 9 October. These are observations for the named market and intervals. They should not be rewritten as the share of all Australian electricity supplied by solar throughout the day or year. SolarAnswers has not independently reconstructed NEMLog's estimates from the underlying data. ## The difference between power and energy Megawatts measure the rate at which electricity is being generated or used. Megawatt-hours measure the amount over time. The distinction is the same as the difference between the speed shown on a car's dashboard and the distance travelled during a trip. For illustration, 17,488 MW sustained for one hour would represent 17,488 MWh. But the reported peak does not establish that the output stayed at that level for an hour. Daily generation requires the output across the whole day, not a multiplication of the highest observed value by daylight hours. A percentage needs similar care. The reported 72.29% combines rooftop and large solar, and uses consumption at that time as its denominator. It does not mean rooftop systems alone provided that share. ## Why a record can coexist with a disappointing household day A market-wide total combines systems across many places. Your roof may have had clouds, shading, an outage or a different orientation while other regions were producing strongly. The national figure is not a benchmark that every individual system should have matched. A useful household comparison starts with the same system over comparable periods. Check daily and monthly generation, any recorded faults and whether weather or shading changed. A single instantaneous peak tells you much less about the energy available to offset bills over a season. Also distinguish the inverter's generation figure from the electricity meter's export figure. They describe different flows. A home using much of its own solar can generate well while exporting relatively little. ## What the government guidance adds The Australian Government's [YourHome rooftop solar guide](https://www.yourhome.gov.au/energy/rooftop-solar) explains that household outcomes depend on consumption timing, location and tariffs. It also notes that network export limits may apply and that self-consumption has become especially important as feed-in payments have declined. That helps connect the market record to practical operation. An array's output, the home's use of it and the amount permitted to leave the property can all differ. More generation is useful, but its financial value depends on where the energy goes and the terms of the electricity plan. The same guidance discusses batteries and smart controls as ways of changing how solar is used. Whether those additions make sense requires an assessment of the household rather than the national record alone. ## What to watch after the headline The most useful follow-up indicators are generation across longer periods, daytime demand and how much energy can be used or stored when solar output is high. A new peak is one sign of the changing system; it cannot describe all of those outcomes. For your home, keep a simple monitoring history and compare it with the assumptions in the original design. If performance changes unexpectedly, give the installer the dates, readings and fault messages. That is a clearer starting point than asking why your system did not track a national headline. This record is significant because many small generators now contribute a large combined output. Understanding the difference between instantaneous output, total energy, self-consumption and exports makes that achievement more informative, rather than less impressive. Sources: - [pv magazine Australia, Rooftop solar reaches new highs across NEM (2026-10-12)](https://www.pv-magazine-australia.com/2026/10/12/rooftop-solar-reaches-new-highs-across-nem/) (checked 2026-10-15) - [Australian Government, YourHome: Rooftop solar](https://www.yourhome.gov.au/energy/rooftop-solar) (checked 2026-10-15) ## Samsung seeks environmental approval for the Darnum battery in Victoria URL: https://solaranswers.com.au/blog/darnum-battery-environmental-approval Published: 2026-10-15; updated: 2026-10-15 A proposed 200 MW, 800 MWh battery near Warragul has entered federal environmental assessment. The application is a development milestone, rather than approval to operate. A proposed battery near Warragul would add **200 MW of power capacity and 800 MWh of storage** to Victoria's electricity system. Samsung C&T Renewable Energy Australia's Darnum project has entered federal environmental scrutiny, while a separate Victorian planning application provides details residents can examine now. Those two processes should be kept distinct. A proposal appearing in an assessment system is a step in development, not confirmation that all approvals are complete or construction has begun. ## The location and proposed connection The developer's [Darnum consultation material](https://www.research.net/r/DarnumBESS) identifies a site on Darnum-Shady Creek Road in the Baw Baw local government area, about eight kilometres north-east of Warragul. The proposal includes battery enclosures, power conversion equipment, cabling, a substation and supporting infrastructure. An existing AusNet 220 kV transmission line crosses the site near its southern boundary. The developer proposes connecting the battery to the National Electricity Market through a substation linked to that line. Its consultation material says the development footprint remains indicative pending detailed design and procurement. That last qualification matters. An early layout is useful for understanding the proposal, but it should not be treated as an immutable equipment schedule or final construction drawing. ## What the environmental application means [pv magazine Australia's 13 October report](https://www.pv-magazine-australia.com/2026/10/13/samsung-ct-seeks-approval-for-800-mwh-bess-in-victoria/) describes Samsung seeking approval under the Environment Protection and Biodiversity Conservation Act. It reports a construction target of 2027 and a build taking up to 18 months. The company presents the project as a way to store electricity during lower-demand periods and release it when needed, supporting the integration of variable renewable generation. Those are the project's intended functions. The timetable is a development target and remains subject to the steps needed to proceed. We have not established a final federal decision from the material reviewed for this article. Nor should the proposed storage capacity be counted as operating capacity simply because an application has been lodged. ## What is already available in the Victorian register Victoria's [ministerial permits register, application PA2604508](https://www.planning.vic.gov.au/planning-approvals/ministerial-permits-register/ministerial-permits/483dbd68-e175-f111-ab0f-7c1e522a8afb?SQ_DESIGN_NAME=nodesign&SQ_PAINT_LAYOUT_NAME=drawer), names Darnum BESS Pty Ltd as trustee for the Darnum BESS Trust. It identifies the land as 875 Darnum-Shady Creek Road, Shady Creek. The entry records an application received on **2 July 2026** and public notice dated **2 September 2026**. Supporting documents include assessments of noise, traffic, surface water, ecology and visual effects, along with a fire risk management plan, preliminary hazard analysis and development plans. The presence of these documents does not mean the concerns they address have been resolved. They allow residents and decision-makers to examine the applicant's evidence. The register and responsible authority should be used to confirm the current submission process and decision status. ## Understanding the four-hour description Dividing the proposed energy capacity by the proposed power capacity gives four hours: **800 MWh / 200 MW = 4 hours**. This is a nominal duration calculation using the published ratings. It is not a promise that the plant will export at full power for four hours every day. Actual operation depends on how much energy is stored, the operating limits, losses, network conditions and the services being provided. A battery can also operate below its maximum power. A headline containing only megawatts therefore omits information needed to understand how much energy it can shift. ## Questions that matter locally For neighbours, the most useful questions are tied to the site documents. Where are the nearest sensitive receivers in the noise assessment? Which roads would carry construction traffic? How are drainage and emergency access handled in the layout? What changes between construction and normal operation? An effective submission can identify a particular assumption or location and explain why it needs examination. That is more specific than either accepting the project's general benefits or rejecting it solely because it is a battery development. For readers following electricity infrastructure, the next milestones are assessment decisions, any conditions, a firm construction commitment and ultimately commissioning. Each confirms something different. Environmental approval alone would not show that the project has been financed, built or successfully connected. Darnum is consequently a project to follow through those milestones. Its scale and proposed connection are clear enough to explain its intended role, while its final design, approvals and delivery remain the matters to watch. Sources: - [pv magazine Australia, Samsung C&T seeks approval for 800 MWh BESS in Victoria (2026-10-13)](https://www.pv-magazine-australia.com/2026/10/13/samsung-ct-seeks-approval-for-800-mwh-bess-in-victoria/) (checked 2026-10-15) - [Samsung C&T Renewable Energy Australia, Darnum BESS public consultation overview](https://www.research.net/r/DarnumBESS) (checked 2026-10-15) - [Victorian Department of Transport and Planning, Darnum BESS application PA2604508](https://www.planning.vic.gov.au/planning-approvals/ministerial-permits-register/ministerial-permits/483dbd68-e175-f111-ab0f-7c1e522a8afb?SQ_DESIGN_NAME=nodesign&SQ_PAINT_LAYOUT_NAME=drawer) (checked 2026-10-15) ## Solar farm construction robots receive a $31.1 million manufacturing boost URL: https://solaranswers.com.au/blog/arena-solar-construction-robot-manufacturing Published: 2026-10-15; updated: 2026-10-15 ARENA is supporting local manufacturing for panel-installation and piling robots. The projects target construction bottlenecks at large solar farms, rather than home rooftops. Australia's solar robotics push is moving from demonstration sites into factories. ARENA's 13 October announcement allocates up to **$31.1 million** to two businesses tackling different parts of solar farm construction: putting panels in place and installing their foundations. The distinction explains why this is a manufacturing story as much as an automation story. One working robot can demonstrate a technique. A fleet needs repeatable production, maintenance, spare parts, trained operators and enough construction work to keep it in use. ## Two projects, two construction tasks The [current ARENA announcement](https://arena.gov.au/news/australian-made-solar-robots-move-towards-commercial-scale-with-32-3-million-in-arena-funding/) assigns up to **$17.8 million to Luminous Robotics** for a Melbourne facility. Its LUMI machines install solar panels. The announcement anticipates manufacture and deployment of around 100 robots by 2029, following earlier trials in Victoria and NSW. **Built Robotics Australia will receive up to $13.3 million** for a Brisbane manufacturing and operations hub. Its systems install the piles used as foundations for solar arrays. The release describes manufacture and deployment of 12 robotic piling systems. These are funding commitments and intended outputs, not a count of robots already working. The release was checked directly on 15 October: its headline and body now say $31.1 million, although its web address and some search results retain the earlier $32.3 million figure. ## What changes at the foundation stage ARENA's [Built Robotics project record](https://arena.gov.au/projects/built-robotics-solar-piling-robot-manufacturing-scale-up/) describes autonomy kits that convert conventional excavators into piling machines. Manufacturing is planned in South East Queensland, with integration and testing at the company's Pinkenba workshop. The work also includes developing automated pre-drilling for difficult ground, improving sensors for night operation and establishing remote monitoring through an Australian operations centre. These details matter because a machine that works on one uncomplicated site does not automatically solve access, ground conditions or operating-hours constraints elsewhere. The project record targets continuing manufacturing capacity of up to 12 robot sets a year. Proposed reductions in labour, installation time and foundation costs remain project expectations. Actual performance will depend on site conditions, approvals and the way equipment is integrated into construction crews. ## What Luminous needs to demonstrate The separate [LUMI project record](https://arena.gov.au/projects/scaling-sovereign-production-of-the-lumi-fleet/) emphasises manufacturing, deployment and support at fleet scale. It describes robots working alongside construction teams, taking on repetitive and physically demanding tasks while the wider installation process remains coordinated by people. ARENA expects deployment on active solar projects to produce evidence about productivity, safety and integration with existing engineering and construction workflows. The project also aims to increase Australian supplier participation as manufacturing grows. That is a more demanding test than a demonstration video. A useful evaluation would include how often a machine is available, how much time setup and relocation consume, and how the crew handles exceptions. Those are SolarAnswers' suggested measures for judging the promised construction benefit. ## Why a faster individual task may not mean a faster project Solar farm delivery is a sequence of linked activities. If foundations are completed sooner but panels or electrical works are delayed, the date of first generation may barely change. Likewise, a machine that installs panels quickly can still be held up by material handling or incomplete rows. The relevant comparison is therefore the cost and time of the completed work package, including transport, operators, maintenance and any rework. For a developer, the question is how the new equipment changes a real construction schedule and the risk of missing it. It would also help to see comparisons across different terrain and project sizes. Results from a large, regular site may not transfer directly to a smaller or more constrained one. ## The milestones to follow The next evidence should be visible in factory commissioning, manufactured fleet numbers, Australian deployments and published lessons from those deployments. A useful progress report would identify what was delivered against the grant's objectives, rather than repeat the funding total. The announcement concerns utility-scale construction. It does not establish a residential installation service or a reduction in rooftop quotes. Its significance is the possibility of increasing the capacity of solar construction teams, with local manufacturing and support behind them. That outcome will be demonstrated by completed projects and operating fleets over time. Sources: - [ARENA, Australian-made solar robots move towards commercial scale with $31.1 million in ARENA funding (2026-10-13)](https://arena.gov.au/news/australian-made-solar-robots-move-towards-commercial-scale-with-32-3-million-in-arena-funding/) (checked 2026-10-15) - [ARENA, Built Robotics: Solar Piling Robot Manufacturing and Scale-up](https://arena.gov.au/projects/built-robotics-solar-piling-robot-manufacturing-scale-up/) (checked 2026-10-15) - [ARENA, Scaling Sovereign Production of the LUMI Fleet](https://arena.gov.au/projects/scaling-sovereign-production-of-the-lumi-fleet/) (checked 2026-10-15) ## Solar Sunshot launches a $250 million round to make solar farms cheaper to build URL: https://solaranswers.com.au/blog/solar-sunshot-round-three-manufacturing Published: 2026-10-15; updated: 2026-10-15 ARENA is targeting manufacturing and construction technology in its latest Solar Sunshot round. The funding is for industry projects, rather than a new household rebate. ARENA has launched a **$250 million Solar Sunshot funding round** aimed at the equipment and manufacturing methods used to build large solar farms. The announcement on 15 October shifts attention to the work surrounding the modules: foundations, support structures, tracking, assembly and deployment. The timing matters for prospective applicants. The round has been announced, but **expressions of interest open on 2 November 2026**. A launch announcement does not mean that grants have already been awarded or that every company can immediately submit a full application. ## Where the funding is aimed The [announcement](https://arena.gov.au/news/arena-seeks-local-and-global-solar-innovators-for-250-million-solar-manufacturing-round/) describes support for commercial-scale manufacture of solar balance-of-plant and deployment technologies. Examples include racking, trackers, robotics, automation and prefabricated systems. ARENA is seeking projects that establish, expand or demonstrate relevant capability in Australia. Its stated objectives include local supply chains, workforce skills and technologies that reduce the cost and complexity of building solar at scale. That makes the central question broader than the efficiency of a solar cell. Equipment can contribute by reducing the work needed to get a finished, reliable plant into service, even if the modules themselves are unchanged. ## What the application page adds The [Round 3 funding page](https://arena.gov.au/funding/solar-sunshot-round-3/) specifies Australian and international companies incorporated in Australia. It expects technologies to be at least Technology Readiness Level 8 and Commercial Readiness Index 3 when manufacturing begins. The published process begins with an expression of interest, unless ARENA waives that requirement. Successful applicants are invited to submit a full application. The page describes an open, merit-based assessment and encourages early discussion with ARENA. An information webinar is scheduled for 26 October. Applicants should use the current funding announcement, guidelines and templates for the operative requirements and deadlines. A general news article cannot establish that a particular business or project is eligible. ## Why manufacturing and deployment belong together A technology may be straightforward to demonstrate but difficult to produce consistently. A construction system may work well once it reaches a site but be expensive to transport or slow to assemble. Funding both manufacturing and deployment addresses the connection between those problems. For example, a prefabricated assembly could move work into a controlled factory setting. Its value would depend on what happens afterwards: transport volume, handling equipment, installation speed, electrical completion and maintenance access. A reduction in one labour task needs to be weighed against any extra cost elsewhere. The same reasoning applies to robots and tracking structures. A credible proposal needs to show how the equipment changes the entire delivery process, not simply present a faster operation in isolation. ## How to read a $250 million funding envelope An allocation is the maximum pool identified for the round. It is not evidence that the whole amount has been paid, that every supported project will proceed on its initial schedule, or that one particular cost reduction has already been achieved. For readers following the program, useful subsequent information would include grant agreements, project funding from other sources, production milestones and deployment results. Those details show how public funding turns into operating capability. It is also useful to keep manufacturing output separate from installed generating capacity. A factory's annual production capability describes what it could make. Actual solar generation depends on equipment reaching sites, being installed and being connected. ## What would make the program successful? SolarAnswers would look for comparisons that include the complete cost of deployment, construction time, reliability and the ability to repeat the result across different sites. Local training and maintenance capability also matter: a project cannot rely indefinitely on a small demonstration team. Published lessons can make the benefit extend beyond a single grant recipient. Evidence about what worked, what failed and which site conditions affected performance is more useful to other developers than a headline percentage with no baseline. The [robotics manufacturing awards announced this week](https://solaranswers.com.au/blog/arena-solar-construction-robot-manufacturing) provide one example of the type of construction capability being developed. They are separate awards under Round 2, not grants already issued under this new round. ## Where households fit Solar Sunshot Round 3 is an industry program. It does not create a new household rebate or a direct application route for a home battery buyer. Any future effect on electricity costs would depend on technologies being deployed successfully and those gains flowing through the wider market. For now, the concrete next steps are the information session, the opening of expressions of interest and subsequent project selection. Those are the milestones that will show how this funding round progresses beyond its announcement. Sources: - [ARENA, ARENA seeks local and global solar innovators for $250 million solar manufacturing round (2026-10-15)](https://arena.gov.au/news/arena-seeks-local-and-global-solar-innovators-for-250-million-solar-manufacturing-round/) (checked 2026-10-15) - [ARENA, Solar Sunshot Round 3 funding opportunity and application process](https://arena.gov.au/funding/solar-sunshot-round-3/) (checked 2026-10-15) ## US ruling clears way for solar import duties on India, Indonesia and Laos URL: https://solaranswers.com.au/blog/us-solar-imports-india-indonesia-laos-ruling Published: 2026-10-15; updated: 2026-10-15 A 14 October USITC finding opens the way for duties on solar cells and modules from three countries. The decision concerns US imports, not Australian tariff settings. A US trade decision on 14 October has cleared a major procedural step towards new duties on certain solar cells and modules from India, Indonesia and Laos. The decision concerns injury to US industry from imports covered by the investigations. For Australian readers, the first task is to distinguish the legal decision from predictions about global panel supply. The announcement establishes the next step in a US trade case. It does not set Australian tariffs or quantify a change in local rooftop prices. ## What the commission decided The [US International Trade Commission announcement](https://www.usitc.gov/press_room/news_release/2026/er1014_69351.htm) says the US industry is materially injured by imports of crystalline silicon photovoltaic cells from the three countries, whether imported separately or assembled into modules. The US Department of Commerce had determined that the covered imports were sold below fair value and subsidised. Following the commission's affirmative injury findings, Commerce will issue anti-dumping and countervailing duty orders. The release identifies the final investigations as **701-TA-772-774 and 731-TA-1756-1758**, with the commission's reasoning to appear in **USITC Publication 5804**. It does not list the resulting duty rates or establish that collection under the new orders began on the announcement date. ## Why two US agencies are involved The commission's [explanation of the process](https://www.usitc.gov/faq/antidumping-and-countervailing-duty-investigations/what-are-roles-commerce-and-usitc-during) separates the two decisions. Commerce determines whether dumping or subsidisation occurred and calculates the relevant margins or subsidy amounts. USITC determines whether the imports materially injure, or threaten to injure, the domestic industry. Affirmative final determinations by both agencies lead to Commerce issuing the appropriate orders. An anti-dumping measure addresses the dumping determination; a countervailing measure addresses subsidies. That separation explains why a commission injury finding is not itself a schedule of tariff percentages. Readers looking for rates, product scope and effective requirements need the relevant Commerce documents as well as the USITC decision. ## The product description matters The case concerns specified crystalline silicon photovoltaic cells and modules from the named countries. It should not be generalised into a ban on every solar-related product made there. Nor does the country associated with a brand necessarily identify the origin of every component or shipment it sells. For an importer or supplier, the useful documents are those that define the covered merchandise and the relevant producer or exporter treatment. A shortened news headline cannot establish whether a particular shipment falls within an order. For households, this means the exact panel model and supply arrangement matter more than a broad statement that a brand is affected by overseas tariffs. Ask for a specific explanation if the issue is used to justify a change to your quote. ## How a US decision could affect other markets There are several possible commercial responses, and they can point in different directions. A supplier may seek other destinations for affected output. It may change sourcing or manufacturing arrangements. Buyers may accelerate, defer or renegotiate orders while the rules become clearer. These are possible responses, not outcomes established by the 14 October announcement. Their effect on Australia would depend on actual shipments, local demand, inventory, contracts and exchange rates. The decision alone is insufficient evidence for a forecast that Australian panel prices must rise or fall. It is also possible for different suppliers to be affected differently. A market-wide headline cannot show what stock an individual Australian installer holds or the price already agreed with its distributor. ## What to check if your solar quote changes If a seller cites the US ruling, ask it to identify the model affected, the source of the proposed price change and whether your supply date has changed. Request the revised offer in writing so it can be compared with the original. A substitution should be evaluated as a product change as well as a price change. Compare the equipment specifications, design, warranty support and any changes to the installation. A claim that two panels are equivalent should be supported by the relevant documents. The next developments to follow are the duty orders and the commission's detailed public report. After that, actual supplier announcements and trade data may show how the market responds. Until then, the confirmed news is the US injury determination and the stated next step in the case, not a measured change in Australian household costs. Sources: - [US International Trade Commission, final solar cell and module injury determinations (14 October 2026)](https://www.usitc.gov/press_room/news_release/2026/er1014_69351.htm) (checked 2026-10-15) - [USITC, Roles of Commerce and USITC in anti-dumping and countervailing investigations](https://www.usitc.gov/faq/antidumping-and-countervailing-duty-investigations/what-are-roles-commerce-and-usitc-during) (checked 2026-10-15) ## Battery complaints have more than doubled. What the ACCC found, and what to check before you buy URL: https://solaranswers.com.au/blog/accc-home-battery-complaints-report Published: 2026-09-23; updated: 2026-09-23 The ACCC says many battery owners are paying less for power, but complaints are up 107%. We explain what it found, what it wants changed and what to check before you sign. Batteries have had a big year: more than 400,000 were installed across Australia in the past 12 months. The ACCC's July report says many owners are now paying less for electricity, but it also found complaints have more than doubled. If you are shopping for a battery, that is a good reason to slow down and check who you are buying from. ## What the report found Reports to the ACCC about household batteries and new energy services rose by 107% over 12 months, as installations surged under the federal Cheaper Home Batteries Program. The report, released on 10 July 2026, is the June 2026 report of the ACCC's inquiry into the National Electricity Market, and the 15th from that inquiry. It looked closely at households with batteries and those in virtual power plants (VPPs). The good news first. The ACCC's analysis showed that many households with batteries are paying less for electricity, particularly those whose battery is connected to a VPP. About 24% of solar and battery customers were taking part in one. Results vary a lot from home to home, so treat that as an average picture, not a prediction for your house. The complaints tell a different part of the story. Consumers told the ACCC about: - being sold systems that do not suit their needs - faulty installations - poor battery performance - trouble getting problems fixed or resolved Some also found it hard to compare offers and switch providers, because of complex contracts and limited compatibility between batteries and VPP products. ## What the ACCC recommends The ACCC made three main recommendations: - **A code for sellers in the federal program.** Battery sellers and installers would need to sign up to a code of conduct to access the Cheaper Home Batteries Program. - **Wider ombudsman coverage.** Energy ombudsman schemes would handle more disputes for households and small businesses. - **A consumer duty.** An overarching duty, with electricity-specific protections, requiring energy products and services to be designed and delivered in consumers' interests. In the ACCC's view, the existing voluntary New Energy Tech Consumer Code deals with some of these issues but has limitations. That code was reauthorised in August; see our story on [what the reauthorised code means](https://solaranswers.com.au/blog/new-energy-tech-consumer-code-reauthorised). ## A recommendation, not a rule None of this has changed the program yet. For now, the federal government's guidance for households is to use a battery accredited by the Clean Energy Council and an installer accredited by Solar Accreditation Australia (SAA). Signing a consumer code is not one of the program's requirements, which is exactly why the ACCC wants it to be. ## What it means for you Most of the complaints come down to the wrong system, a poor install, or no help afterwards. You can reduce the risk of each: - **Size the battery to your home, not the sales pitch.** The federal government's own advice is that bigger is not always better, and a battery too large for your solar or inverter can limit the benefit. Our guide on [what size battery you need](https://solaranswers.com.au/guides/what-size-battery-do-i-need) walks through it. - **Get more than one quote.** This is also on the government's checklist. Compare final prices and what is included. See [how to compare solar quotes](https://solaranswers.com.au/guides/how-to-compare-solar-quotes) or [request quotes](https://solaranswers.com.au/get-quotes). - **Get the key facts in writing.** Ask for the value of the discount and when you get it, the warranty, and the expected payback period. - **Check accreditation.** Confirm the battery is on the Clean Energy Council list, the installer is SAA accredited, and the installer will be on site for set-up and commissioning. - **Understand any VPP before you join.** The ACCC says you should understand the benefits and risks of anything you sign up to, including how much control over the battery you are handing over. Check that your battery works with the VPP you want. Our guide to [virtual power plants](https://solaranswers.com.au/guides/virtual-power-plants-explained) explains the trade-offs. - **Be wary of deadline pressure.** The federal discount steps down on 1 January 2027, which makes an easy sales line. Read [what the step-down is worth](https://solaranswers.com.au/blog/battery-rebate-drops-january-2027) before you let a date rush you. If something goes wrong, the government suggests raising it with the installer or retailer first, then contacting the Clean Energy Regulator, your electrical safety regulator, your state consumer protection agency or, where appropriate, your energy ombudsman. Not sure whether a battery makes sense at all? Start with [is a home battery worth it](https://solaranswers.com.au/guides/is-a-home-battery-worth-it). ## Our take We read this report as good news and a warning at the same time. Batteries can bring bills down, especially with a VPP, but the complaints show how much depends on who sells and installs yours. Until a code is compulsory, most of the checking falls to you. Before signing, we would want a battery sized to our own usage, the discount and payback in writing, and proof of Clean Energy Council and SAA accreditation. If a VPP is part of the deal, we would ask exactly how much control we were handing over, and how easy it is to leave. And we would not let the 1 January step-down make the decision for us. It is real money, but it is not a reason to skip any of the checks above. Sources: - [ACCC, Growing home battery uptake delivering lower electricity bills, but consumer protections needed (10 July 2026)](https://www.accc.gov.au/media-release/growing-home-battery-uptake-delivering-lower-electricity-bills-but-consumer-protections-needed) (checked 2026-09-23) - [DCCEEW, Cheaper Home Batteries Program](https://www.dcceew.gov.au/energy/programs/cheaper-home-batteries) (checked 2026-09-23) ## Regional Queensland's feed-in tariff is now 6.006c. What that means if you have, or want, solar URL: https://solaranswers.com.au/blog/regional-queensland-feed-in-tariff-cut Published: 2026-09-23; updated: 2026-09-23 The regulated solar export rate in regional Queensland fell about 31% from 1 July 2026. We explain why it fell, who it covers and what it changes for your solar and battery plans. If you have solar panels in regional Queensland, the power you send back to the grid is now worth less than it was a few months ago. In practice, the solar you use yourself now counts for more than the solar you export. It matters whether you already have panels or are still weighing them up. The Queensland Competition Authority (QCA) set the regulated feed-in tariff for 2026-27 at 6.006 cents per kWh, down from 8.660 cents. That is a cut of about 31%, and it took effect on 1 July 2026. ## Who the rate applies to Each year the QCA sets a flat-rate solar feed-in tariff for regional Queensland, at the direction of the state's Minister for Energy. It published the final decision for 2026-27 on 5 June 2026. The rate applies across regional Queensland to customers in the Ergon distribution region, and to Queensland customers on the Essential Energy network who are supplied by Origin Energy at regulated prices. It is credited by Ergon Retail, or by Origin Energy for those Essential Energy customers, to qualifying customers for each kilowatt-hour their small solar system sends to the grid. The regulated rate does not cover households in south east Queensland. The QCA's figures exclude GST. ## Why it fell The QCA uses what it calls an avoided cost method. Put simply, it estimates the costs a retailer avoids when it buys power from its solar customers instead of from the National Electricity Market, and sets the tariff at that value. | Component | 2025-26 (c/kWh) | 2026-27 (c/kWh) | | --- | --- | --- | | Wholesale energy costs | 8.031 | 5.572 | | Other energy costs | 0.629 | 0.434 | | Feed-in tariff | 8.660 | 6.006 | Two things drove the drop: - **Lower energy costs.** The wholesale energy cost a retailer avoids fell by about 2.5 cents per kWh, and other avoided costs, such as market fees and losses, also fell. - **Better data on exports.** More solar homes now have advanced digital meters, which record when solar power is actually exported. That data shows exported solar is worth less than the older estimates implied. The QCA says this effect is likely to continue as more of these meters are installed. The QCA also warns that customers should not expect the feed-in tariff to stay the same when deciding whether to install or upgrade a solar system. It is reset every year. ## What it means for you To give a sense of scale, every 1,000 kWh you export now earns about $60, compared with about $87 at last year's rate. How much you export depends on your system size, your household's use and the season. A few practical steps: - **Use more of your own solar.** When the export rate falls, running appliances during the day is a better use of your panels' output than sending it to the grid. Timers on pool pumps, dishwashers and washing machines can help. - **Check the numbers in any quote.** If an installer's savings estimate for a new system assumes a feed-in tariff, ask what rate they used. If it is higher than the current 6.006 cents, ask why, and remember the rate may change again next year. - **Re-run the payback maths.** Our [solar payback calculator](https://solaranswers.com.au/calculators/solar-payback) lets you set your own feed-in tariff. Our guide on [what size solar system you need](https://solaranswers.com.au/guides/what-size-solar-system-do-i-need) explains why the share of your output you use yourself matters so much. - **Think about batteries carefully.** A lower export rate can make storing solar for the evening more attractive, but a battery is a large purchase. Start with [is a home battery worth it](https://solaranswers.com.au/guides/is-a-home-battery-worth-it), then check the federal discount in the [battery rebate calculator](https://solaranswers.com.au/calculators/battery-rebate) and what else is available on our [Queensland rebates page](https://solaranswers.com.au/rebates/qld). For more on how export payments work around the country, read our guide to [solar feed-in tariffs](https://solaranswers.com.au/guides/solar-feed-in-tariffs). ## Our take We would not panic about a lower export rate, but we would plan around it. At 6.006 cents, the case for solar in regional Queensland rests more on the power you use at home than on what you send back, and the QCA itself says not to count on the rate staying the same. So when we look at a quote, the first thing we check is the feed-in tariff behind the savings estimate. If the numbers only work at last year's 8.660 cents, or at an even higher rate, they need redoing. A battery may look more interesting now that exports earn less, but it is a large purchase and deserves the same careful maths. Sources: - [QCA, Regional Queensland feed-in tariff 2026-27](https://www.qca.org.au/project/customers/solar-feed-in-tariffs/regional-queensland-feed-in-tariff-2026-27/) (checked 2026-09-23) - [QCA, Solar feed-in tariff in regional Queensland 2026-27, fact sheet (June 2026)](https://www.qca.org.au/wp-content/uploads/2025/12/solar-fit-fact-sheet-june-2026.pdf) (checked 2026-09-23) - [QCA, Solar feed-in tariff 2026-27, final determination (June 2026)](https://www.qca.org.au/wp-content/uploads/2025/12/solar-fit-report-june-2026.pdf) (checked 2026-09-23) ## The ACCC looked at door knockers, cold calls and quote websites. Here is what it found URL: https://solaranswers.com.au/blog/accc-lead-generation-review-2026 Published: 2026-09-23; updated: 2026-09-23 Pushy door-to-door and phone sales are widespread, and online quote forms often feed them. We explain what the ACCC found, what it wants changed and how to protect yourself now. Solar panels and energy devices are among the products often bought after a knock at the door or a cold call, and the details behind those calls often come from forms people fill in online. The ACCC has now looked closely at how that works. If you have ever asked for a solar or battery quote online, this review is about you. ## What the ACCC found The review, *Unsolicited selling and lead generation*, was published on 28 July 2026 and drew on consumer research, submissions and case studies. It found that high-pressure and misleading tactics are widespread in door-to-door selling, telemarketing and other unsolicited sales, and that details people type into quote and comparison websites are often sold on to fuel those sales calls. Among its findings: - About three quarters of people surveyed had experienced an unsolicited sales approach at least once in the previous two years, and about 28% had bought something after one. - Two thirds said they had felt pressured. - About 40% of those who bought something regretted it, and more than 60% had problems with their purchase. - Some smaller businesses selling solar devices told the ACCC that up to 80% of their business came from unsolicited selling. - Many consumers who bought solar panels or energy devices this way spent more than $1,000. Salespeople often misrepresented the full cost, whether a product was suitable or had been checked by a trusted source, and whether the buyer might be eligible for a government program. The existing rules were often ignored, too. Of people who bought after an unsolicited approach, only 70.9% said the salesperson identified themselves, 54.1% received a copy of the written agreement, and 63.0% were told about their right to cancel. ## Where quote websites and data brokers fit in The review describes how personal information is gathered online through price comparison websites, online quotes, free trials and surveys, then often sold through data brokers to create leads for sales calls and visits. The unsolicited selling rules were written before this kind of data-driven lead generation became common. The ACCC's view is that unless a website clearly tells you it is collecting your details so a business can contact you to sell something, a sale that follows is still unsolicited, and the protections for unsolicited sales still apply. It noted this has not been tested. To be upfront: SolarAnswers is a quote site too. When you ask for quotes, we pass your request to up to three installers, and each one pays us a fee. We do not sell lists of names. You can read the details on [how we make money](https://solaranswers.com.au/how-we-make-money). ## What the ACCC proposes The review recommends three main changes: - **An opt-in model instead of cooling off.** Right now you have 10 business days after signing to change your mind. The ACCC wants that replaced with a rule that you must confirm the sale within a set period, separately from the sales conversation, before the sale takes effect and any payment is processed. - **Higher penalties.** The current maximum penalty for breaching the unsolicited sales rules in the Australian Consumer Law is $50,000 for a corporation and $10,000 for an individual. The ACCC recommends increasing them but did not name new amounts in its release. - **Lead generation in the rules.** The ACCC recommends that lead generation be explicitly covered by the rules on unsolicited selling. ## These are proposals, not law The review makes recommendations to government. Nothing in it applies yet: governments would have to change the law, and the ACCC's release gives no timetable. Until then, the current rules apply, including the 10 business day cooling-off period for unsolicited agreements. ## What it means for you You do not need to wait for new rules to protect yourself: - **Read the form before you submit it.** A quote form should tell you who will receive your details and why. If it does not, think twice. - **Keep a note of who you agreed to hear from.** If a different company calls, ask where it got your details. - **Do not sign on the doorstep or on the first call.** If you do sign after an unsolicited approach, you currently have 10 business days to cancel. - **Check program claims yourself.** The ACCC advises looking into your eligibility for government programs before agreeing to anything. Our [rebates overview](https://solaranswers.com.au/rebates) and [battery rebate calculator](https://solaranswers.com.au/calculators/battery-rebate) are a starting point. - **Compare written quotes.** Get more than one and compare final prices and what is included. See [how to compare solar quotes](https://solaranswers.com.au/guides/how-to-compare-solar-quotes). - **Know the warning signs.** Our list of [sales tactics to walk away from](https://solaranswers.com.au/guides/sales-tactics-to-walk-away-from) covers the most common ones. If you think a business has broken the rules, report it to the ACCC, or ask other readers about a pitch in our [community](https://solaranswers.com.au/community). ## Our take We can see the appeal of the opt-in idea: a sale would only take effect once you confirm it, away from the salesperson. But it is still a proposal, and the 10 business day cooling-off period is what you have today. As a quote site ourselves, we think any form should say plainly who gets your details and why. We would treat a pitch that arrives out of the blue as the start of your research, not the end. Ask who the caller works for, check any rebate claim yourself, and compare written quotes before committing to anything. Sources: - [ACCC, Misleading and high pressure unsolicited sales practices widespread (28 July 2026)](https://www.accc.gov.au/media-release/misleading-and-high-pressure-unsolicited-sales-practices-widespread) (checked 2026-09-23) - [ACCC, Unsolicited selling and lead generation: a review of the consumer experience and business practices](https://www.accc.gov.au/about-us/publications/unsolicited-selling-and-lead-generation-a-review-of-the-consumer-experience-and-business-practices) (checked 2026-09-23) ## The battery rebate gets smaller on 1 January 2027. Here is what that means for your quote URL: https://solaranswers.com.au/blog/battery-rebate-drops-january-2027 Published: 2026-09-23; updated: 2026-09-23 The STC factor falls from 6.8 to 5.7, about $560 to $600 less off a 13.5 kWh battery. We walk through the maths, why the install date counts, and how not to get rushed. If you are pricing a battery, 1 January 2027 is a date worth understanding before a salesperson brings it up. That is when the federal discount gets smaller: roughly $560 to $600 less off the price of a 13.5 kWh battery. The catch is that the date deciding your rate is not the day you sign. ## What is changing On 1 January 2027, the STC factor in the Cheaper Home Batteries Program falls from 6.8 to 5.7. For a battery with 13.5 kWh of usable capacity, that means 15 fewer certificates. The program has discounted batteries installed since 1 July 2025. Since a rule change on 1 May 2026, the discount falls every six months until 2030, which the government says keeps it at around 30% of the upfront cost as battery prices fall. The STC factor sets how many certificates each kilowatt-hour of usable capacity creates: - **6.8** for May to December 2026 - **5.7** for January to June 2027 - **5.2** for July to December 2027 - then 4.6, 4.1, 3.6, 3.1 and 2.6, reaching **2.1** for July to December 2030. Not every kilowatt-hour counts equally. The first 14 kWh of usable capacity counts in full, capacity above 14 kWh and up to 28 kWh counts at 60%, and capacity above 28 kWh and up to 50 kWh counts at 15%. The total is rounded down to a whole number of STCs. The Clean Energy Regulator's STC Clearing House price is capped at $40 excluding GST, and open market prices vary daily, so we value each STC at $37 to $40. For more detail, see [how the federal battery rebate works](https://solaranswers.com.au/guides/how-the-federal-battery-rebate-works). ## Worked examples | Usable capacity | STCs to 31 Dec 2026 (6.8) | Approx. discount | STCs from 1 Jan 2027 (5.7) | Approx. discount | | --- | --- | --- | --- | --- | | 10 kWh | 68 | $2,520 to $2,720 | 57 | $2,110 to $2,280 | | 13.5 kWh | 91 | $3,370 to $3,640 | 76 | $2,810 to $3,040 | | 16 kWh | 103 | $3,810 to $4,120 | 86 | $3,180 to $3,440 | | 20 kWh | 119 | $4,400 to $4,760 | 100 | $3,700 to $4,000 | Values use $37 to $40 per STC, rounded to the nearest $10. The drop ranges from about $410 to $440 on a 10 kWh battery to about $700 to $760 on a 20 kWh battery. Your actual discount depends on the STC price your installer uses. Try other sizes in our [battery rebate calculator](https://solaranswers.com.au/calculators/battery-rebate). From 1 July 2027 the factor is 5.2, and a 13.5 kWh battery creates 70 STCs, worth about $2,590 to $2,800. ## Why the compliance certificate date matters The factor depends on when the battery is installed, and the date that counts is the one on the certificate of electrical compliance your electrician issues once the system has been tested. The Clean Energy Regulator requires installers to take a final completion photo that matches the test date on that certificate, and says installers must not return to site later to take photos or alter documents to match them. So signing or paying a deposit does not lock in the 6.8 factor. Picture a battery sold in November for a mid-December install. Stock arrives late, the job and its certificate slip into January, and the discount is now worked out at 5.7. Someone has to cover the gap. ## How to avoid being rushed A looming cut is an easy sales line. In July the ACCC found that battery complaints had more than doubled, including from people sold systems that did not suit them. See [our report on those complaints](https://solaranswers.com.au/blog/accc-home-battery-complaints-report). Before you sign: - **Ask whether the price is fixed.** If the job finishes after 31 December, will the price rise, and who pays the difference? Get the answer in the contract. - **Ask for a realistic install date in writing,** and what could delay it, such as stock, switchboard work or approvals. - **Do not pay a large deposit to "lock in" the rebate.** A deposit cannot fix the factor. Only the installation date can. - **Size for your home.** The government's own advice is that bigger is not always better. Read [what size battery you need](https://solaranswers.com.au/guides/what-size-battery-do-i-need) and [is a home battery worth it](https://solaranswers.com.au/guides/is-a-home-battery-worth-it). - **Compare quotes on final price.** A big discount line does not always mean a cheaper battery. Get more than one quote, as the government recommends, and see [sales tactics to walk away from](https://solaranswers.com.au/guides/sales-tactics-to-walk-away-from). ## What it means for you If you were already planning a battery and a reputable installer can finish well before Christmas, the higher factor is worth having. If beating the deadline means rushing, the few hundred dollars at stake may matter less than choosing the right battery and installer. Waiting does have a cost, though, and it grows every six months. Check what your state adds on top in our [rebates overview](https://solaranswers.com.au/rebates), then [request quotes](https://solaranswers.com.au/get-quotes) with enough time to compare them. ## Our take We would not ignore the step-down, and we would not let it run the conversation either. On a 13.5 kWh battery it is a few hundred dollars: real money, but a small slice of a discount worth $3,370 to $3,640. The questions above are the ones we would put to every installer, and we would want the answers in the contract, not just the conversation. If an installer cannot give straight answers on price, install date and deposit, that tells you something useful about them, whatever the date. Sources: - [DCCEEW, Cheaper Home Batteries Program](https://www.dcceew.gov.au/energy/programs/cheaper-home-batteries) (checked 2026-09-23) - [Clean Energy Regulator, Calculate small-scale technology certificate entitlements](https://cer.gov.au/schemes/renewable-energy-target/small-scale-renewable-energy-scheme/small-scale-technology-certificates/calculate-small-scale-technology-certificate-entitlements) (checked 2026-09-23) - [Clean Energy Regulator, Buy and sell small-scale technology certificates](https://cer.gov.au/schemes/renewable-energy-target/small-scale-renewable-energy-scheme/small-scale-technology-certificates/buy-and-sell-small-scale-technology-certificates) (checked 2026-09-23) - [Clean Energy Regulator, Solar battery installers and designers](https://cer.gov.au/schemes/renewable-energy-target/renewable-energy-target-participants-and-industry/solar-battery-installers-and-designers) (checked 2026-09-23) ## The solar and battery consumer code can run to 2031. What it promises, and where it falls short URL: https://solaranswers.com.au/blog/new-energy-tech-consumer-code-reauthorised Published: 2026-09-23; updated: 2026-09-23 The ACCC has reauthorised the New Energy Tech Consumer Code with conditions. We explain what signatories promise, what is still missing and how to use it when picking an installer. When you are choosing between solar or battery installers, it helps to know what rules they have signed up to. The New Energy Tech Consumer Code is one of the few extra checks on how these businesses sell, and the ACCC has now renewed it. The catch is that it only covers businesses that choose to sign up. ## What the ACCC decided The code is a voluntary one that sets minimum standards for businesses selling solar panels, batteries and other home energy products. On 28 August 2026, the ACCC authorised an amended version of it, with two conditions attached. The code is run by the Clean Energy Council, which applied for the new authorisation in August 2025. Authorisation protects the businesses involved from legal action under competition law for agreeing to follow a shared code. It does not mean the ACCC endorses the code, as the ACCC made clear. The key points of the decision: - The amended code is authorised until **19 September 2031**. - The current code can keep operating, without conditions, until **19 December 2026**, so signatories have time to move to the new version. - The ACCC's letter to interested parties said the decision would come into force on 19 September 2026 unless someone applied to the Australian Competition Tribunal for a review by 18 September. The two conditions on the amended code are: - the Code Monitoring and Compliance Panel must keep an equal balance of consumer and industry representatives when making decisions - the code administrator must publish quarterly compliance reports. The Clean Energy Council described the amendments as largely administrative or procedural. By August 2026, the code had 2,331 signatories. ## What signatories promise The code follows the customer journey from first contact to complaints. Among the commitments, signatories agree to: - explain the purpose of any unsolicited visit or call up front, and leave or end the call when asked - avoid high-pressure sales tactics, and take extra care with customers in vulnerable circumstances - ask about your needs and offer products that are fit for purpose - give quotes that show the total price, any deposit, circumstances that could add charges, performance estimates, timeframes, warranties and, where they apply, cooling-off rights - include a site-specific design where the job needs one - provide a plain-language written contract that explains how to complain - respond to complaints within set times, with a final response within 25 business days unless you agree to an extension. One commitment matters more than it first appears. Signatories must take responsibility for everything done on their behalf under the code, including by third parties they hire for direct marketing or installation. If a signatory buys leads or uses an outside telemarketer, it is answerable for how that marketer behaves. ## What the ACCC says is still missing The ACCC called its assessment finely balanced and pointed to several weaknesses: - There is no path to an independent external dispute resolution scheme through the code, and no way to appeal a decision by the administrator. - Some signatories have resigned while under complaint or audit investigation. In 2025, 16 resigned while subject to an audit case. - Audits rely mainly on self-reported compliance questionnaires. - Breaches are not made public unless a business is suspended or expelled. In the ACCC's view, recommendations from a recent independent review of the code could improve it if implemented well, and it expects the code's administrators to act on them. ## What it means when choosing an installer - **Ask if the business is a signatory, then check.** The code website has an approved seller search. - **Treat it as a starting point, not a guarantee.** Signing the code does not make a business the right choice for you. Still check that installers are accredited by Solar Accreditation Australia, compare quotes and ask the right questions. See [questions to ask a solar installer](https://solaranswers.com.au/guides/questions-to-ask-a-solar-installer). - **Ask callers who they work for.** If someone calls or knocks, ask which company they represent and where they got your details. A signatory is responsible for the marketers it uses. - **Get everything in writing.** The code's quote and contract rules only help if you have the documents. Compare them side by side using our guide to [comparing solar quotes](https://solaranswers.com.au/guides/how-to-compare-solar-quotes). - **Know your fallback.** Because the code has no independent dispute resolution, a complaint that the business and the administrator cannot resolve may need to go to your state or territory consumer protection agency. In July the ACCC recommended making a code of conduct compulsory for sellers and installers in the federal battery program. Read more in our story on [the ACCC's battery complaints report](https://solaranswers.com.au/blog/accc-home-battery-complaints-report). If you are ready to compare installers, you can [request quotes](https://solaranswers.com.au/get-quotes). ## Our take We think the code is worth checking, as long as you keep it in proportion. The promises are useful: a quote showing the total price and anything that could add to it, a plain-language contract, set times for dealing with complaints, and responsibility for the telemarketers and installers a business hires. But the ACCC's own list of weaknesses is hard to ignore, from no independent dispute resolution to audits that lean on self-reported questionnaires. So we would treat signatory status as one tick on the list, next to SAA accreditation and a quote you have compared with others. And if someone cold calls you, we would ask who they work for before anything else. Sources: - [ACCC authorisations register, New Energy Tech Consumer Code (AA1000702)](https://www.accc.gov.au/public-registers/authorisations-and-notifications-registers/authorisations-register/new-energy-tech-consumer-code-0) (checked 2026-09-23) - [ACCC, Determination AA1000702, New Energy Tech Consumer Code (28 August 2026)](https://www.accc.gov.au/system/files/public-registers/documents/Final%20Determination%20-%2028.08.26%20-%20PR%20-%20AA1000702%20NETCC.pdf) (checked 2026-09-23) - [ACCC, letter to interested parties re final determination AA1000702 (28 August 2026)](https://www.accc.gov.au/system/files/public-registers/documents/ACCC%20to%20Interested%20Parties%20re%20Final%20Determination%20-%2028.08.26%20-%20PR%20-%20AA1000702%20NETCC.pdf) (checked 2026-09-23) - [New Energy Tech Consumer Code, approved seller search](https://www.newenergytech.org.au/) (checked 2026-09-23) ## Three free hours of power a day: is the Solar Sharer Offer right for your home? URL: https://solaranswers.com.au/blog/solar-sharer-free-midday-power-explained Published: 2026-09-23; updated: 2026-09-23 A new opt-in plan in NSW, south east Queensland and SA gives smart meter customers up to 24 kWh of free midday power. We explain how it works, the catch, and how to tell if it suits you. Free electricity sounds like an easy yes, and for some homes it may be. Since 1 July 2026, households in NSW, south east Queensland and South Australia with a smart meter can ask their retailer for a plan with three hours of free electricity in the middle of the day. Whether it works out for you depends on when you use power, so it is worth a closer look before you switch. The plan is called the Solar Sharer Offer, and it was set by the Australian Energy Regulator (AER) in its default market offer decision for 2026-27. It may suit homes that can move a good share of their power use into that window, and it may cost more for homes that cannot. ## What the Solar Sharer Offer is The AER released its final default market offer decision on 26 May 2026. For the first time, it required retailers to offer a Solar Sharer Offer, so that more households, including those without rooftop solar, can make better use of the solar power generated in the middle of the day. The key features are: - **Free window:** 11am to 2pm in NSW and south east Queensland, and 12pm to 3pm in South Australia, in local time. - **Free allowance:** up to 24 kWh of free electricity in the window each day. Use above that is charged at a set rate, capped by the AER. - **Opt-in:** you will not be moved onto it automatically. You have to ask your retailer. - **Smart meter needed:** you need a smart meter (also called an interval meter), and you cannot be supplied through an embedded network, such as some apartment blocks, caravan parks and retirement villages. - **Who must offer it:** retailers with more than 1,000 customers across the regions where the default market offer applies. It is not available in regional Queensland, Victoria, Western Australia, Tasmania, the ACT or the Northern Territory. ## The catch: the other 21 hours The Solar Sharer Offer is a regulated standing offer. The AER regulates its price using the same annual price as the time-of-use default market offer in each distribution zone. In plain terms, the free hours are balanced by higher rates at other times. Energy Made Easy, the government's comparison site, says electricity outside the free period is charged at higher time-of-use rates, such as peak, shoulder or off-peak. So the offer is not automatically cheaper. Whether you come out ahead depends on how much of your use you can move into the free window, and how much stays in the morning and evening. ## Who it may suit Going by the regulator's guidance, the offer is more likely to suit you if you: - are at home during the day, or use a lot of power in the middle of the day - can schedule appliances such as the washing machine or air conditioner to run in the free window - charge an electric vehicle at home during the day. It is less likely to suit you if most of your electricity use is in the morning or evening and you cannot change that. ## What it means for you - **Look at your usage first.** With a smart meter, you may be able to get data from your retailer showing when you use power. Check how much of it falls in the free window, or could be moved there. - **Compare the whole plan, not the headline.** Energy Made Easy advises comparing the whole plan rather than the "free power" label. Look at the supply charge and every rate outside the window. - **Compare against market offers too.** The Solar Sharer Offer is one option. Some market offers may suit your pattern better. - **If you already have solar,** your panels may already be covering much of your midday use. Ask your retailer how the plan treats your exports, and read our guide to [solar feed-in tariffs](https://solaranswers.com.au/guides/solar-feed-in-tariffs). - **If you are thinking about a battery,** how you are billed at different times of day changes the numbers. Read [is a home battery worth it](https://solaranswers.com.au/guides/is-a-home-battery-worth-it) before you buy. - **Ask your retailer.** Retailers have their own versions of the plan, so contact yours and ask about its Solar Sharer Offer. For state-by-state rebates and programs, see our pages for [NSW](https://solaranswers.com.au/rebates/nsw), [Queensland](https://solaranswers.com.au/rebates/qld) and [South Australia](https://solaranswers.com.au/rebates/sa). If you want to see how a solar system might pay back on your bill, try the [solar payback calculator](https://solaranswers.com.au/calculators/solar-payback). ## Our take We like the idea behind the Solar Sharer Offer: it gives households without panels a way to make better use of midday solar. But the word "free" is doing a lot of work. The free hours are balanced by higher rates at other times, so the only real test is your own usage data. If most of your power goes in the morning and evening, we would be cautious. If you are home during the day, charge an EV then, or can move the washing and air conditioning into the window, it is worth putting the plan side by side with a market offer. Either way, we would compare the whole plan, supply charge included, rather than the headline. Sources: - [Energy Made Easy (AER), The Solar Sharer Offer (SSO): What you need to know](https://www.energymadeeasy.gov.au/hot-topics/solar-sharer-offer-what-you-need-to-know) (checked 2026-09-23) - [AER, AER releases final Default Market Offer 2026-27](https://www.aer.gov.au/news/articles/news-releases/aer-releases-final-default-market-offer-2026-27) (checked 2026-09-23) - [AER, Solar Sharer Offer fact sheet (DMO 8 final determination)](https://www.aer.gov.au/system/files/2026-05/AER%20-%20Solar%20Sharer%20Offer%20fact%20sheet%20-%20DMO%208%20final%20determination.pdf) (checked 2026-09-23) ## Victoria's solar rebate now has a $150,000 income cap. Here is who can still apply URL: https://solaranswers.com.au/blog/victoria-solar-rebate-income-cap-150000 Published: 2026-09-23; updated: 2026-09-23 Solar Victoria's rebate of up to $1,400 is now for households earning under $150,000 combined, down from $210,000. We cover who still qualifies, and your options if you do not. If you live in Victoria and have been meaning to get solar, the state rebate now comes with a tighter income test. Solar Victoria has lowered the cap, although the rebate itself has not changed. Here is who can still apply, what happened to battery loans, and what to look at if you are over the line. Victorian households with a combined taxable income of $150,000 or more can no longer get the state's solar panel rebate. Solar Victoria lowered the cap from $210,000 for applications submitted after 30 June 2026. The rebate is still up to $1,400, with an optional interest-free loan of up to the same amount, so for households under the new cap the support is the same as before. ## What changed Solar Victoria made the change public on 29 May 2026. Applications that were submitted in full by 5pm on Tuesday 30 June 2026 were assessed against the old $210,000 cap. Anything submitted after that is assessed against the new $150,000 cap. The same cap now applies to Solar Victoria's hot water rebates. Rebate amounts did not change: - solar panels: up to $1,400, plus an optional interest-free loan of up to $1,400 - locally made hot water products: up to $1,400 - other eligible hot water products: up to $1,000. Solar Victoria's stated aim is to target support to people most affected by cost of living pressures, including renters and lower income households. It says more than half of past solar panel rebates (55%) had gone to homes earning under $100,000. There is one exception. Solstice Energy customers affected by their network's closure are exempt from the $150,000 income cap. ## Who can still apply To get the solar panel rebate, you must meet all of these conditions: - the combined household taxable income of all owners is under $150,000 a year - the property is valued at under $3 million - you are the owner-occupier of an existing home, or the owner of a home under construction - the address has not already received a Solar Victoria solar panel or battery rebate - no solar panel system has been installed at the address in the last 10 years - you use an authorised solar retailer and choose products from the eligible product lists. Once approved, you receive a QR code. For an existing home, the system must be installed within 120 days of receiving it. For a home under construction, the limit is 270 days. The optional interest-free loan is repaid monthly over four years. A $1,400 loan works out at $29.17 a month, with repayments starting 30 days after the installation is approved. ## Battery loans remain closed Solar Victoria is no longer taking applications for interest-free loans for solar batteries. It closed them after its target was exceeded: when the loans launched in July 2023, the commitment was 4,500 loans. For batteries, Solar Victoria now points households to the federal Cheaper Home Batteries Program. That discount is due to fall on 1 January 2027; see [what the step-down is worth](https://solaranswers.com.au/blog/battery-rebate-drops-january-2027) and try the [battery rebate calculator](https://solaranswers.com.au/calculators/battery-rebate). ## What it means for you - **Check before you pay anything.** Solar Victoria advises not to pay a deposit until your eligibility is confirmed, and to make sure any deposit is fully refundable. - **Near the line? Check what counts.** The test is the combined taxable income of all owners. If you are close to $150,000, confirm your eligibility through the Solar Victoria process rather than relying on a salesperson's word. - **Over the cap? Look at the federal discount.** New solar panels can still earn the federal STC discount, which is separate from the Victorian rebate. Our guide to [solar STCs](https://solaranswers.com.au/guides/solar-rebate-stcs-explained) explains how it works, and [how much solar costs](https://solaranswers.com.au/guides/how-much-does-solar-cost) gives a sense of current prices. - **Watch for eligibility claims.** The ACCC found in July that salespeople often misrepresent whether buyers qualify for government programs. See our story on [the ACCC's review of unsolicited selling](https://solaranswers.com.au/blog/accc-lead-generation-review-2026). - **Plan for your own use.** Feed-in tariffs are generally far lower than what you pay for grid power, so how much of your solar you use at home matters. Read our guide to [solar feed-in tariffs](https://solaranswers.com.au/guides/solar-feed-in-tariffs). For the full picture of what is available in Victoria, see our [Victoria rebates page](https://solaranswers.com.au/rebates/vic). When you are ready, you can [request quotes](https://solaranswers.com.au/get-quotes) from installers. ## Our take The new cap itself is simple enough. The detail that matters is that it counts the combined taxable income of all owners, not just one person's pay. If you are anywhere near $150,000, we would confirm eligibility through Solar Victoria before paying anything, and make sure any deposit is fully refundable. If you are over the cap, it is worth remembering that the federal STC discount on new panels is separate and still applies, so losing the state rebate is not the whole story. And given what the ACCC found about eligibility claims, we would treat a salesperson's word on whether you qualify as a starting point, not an answer. Sources: - [Solar Victoria, Solar panel (PV) rebate](https://www.solar.vic.gov.au/solar-panel-rebate) (checked 2026-09-23) - [Solar Victoria, Solar Homes Program continuing to provide targeted assistance (29 May 2026)](https://www.solar.vic.gov.au/solar-homes-program-continuing-provide-targeted-assistance) (checked 2026-09-23) - [Solar Victoria, Solar battery loans](https://www.solar.vic.gov.au/solar-battery-loan) (checked 2026-09-23) - [Solar Victoria, Solar Victoria exceeds battery targets (27 May 2025)](https://www.solar.vic.gov.au/solar-victoria-exceeds-battery-targets) (checked 2026-09-23) ## Why your battery installer has to photograph the labels, and how the regulator checks them URL: https://solaranswers.com.au/blog/cer-battery-photo-rules-and-suspensions Published: 2026-09-23; updated: 2026-09-23 Since 1 March 2026, installers must photograph a battery's critical labels, and the regulator checks them with an AI tool. What that means for your install, plus the 21 suspensions explained. Most of the paperwork behind a battery install happens out of sight, but your discount depends on it. Since 1 March 2026, that paperwork has included photos of the labels on your meter box, switchboard and battery, and the regulator now checks them with help from AI. Here is what that involves, and the few things worth watching on your side. ## What installers must photograph Installers claiming the federal battery discount now have to take clear, geotagged and time-stamped photos of a battery's critical labels. Missing or poor photos can delay or sink the certificate claim that pays for the discount on your quote. That discount, under the Cheaper Home Batteries Program, comes from small-scale technology certificates (STCs), which the Clean Energy Regulator (CER) oversees. To create them, installers already had to supply geotagged, time-stamped photos of themselves on site at job setup, mid-installation, and testing and commissioning, plus a final completion photo that matches the test date on the certificate of electrical compliance. They must also photograph serial numbers on the battery and any new inverter. The new rule adds photos of critical labelling and signage. For each battery installation, the CER requires a photo of: - the outside of the meter box, including all critical labelling - the switchboard and its inside cover, including all critical labelling and shutdown procedures - the front and sides of the battery, showing all critical labelling. The CER says it brought in the rule to address common problems with critical labelling and to support compliance with Australian Standards. Installers are not allowed to return to a site after the job to take photos, or to alter documents to match photos taken later. ## How the AI check works The CER's AI-assisted image analysis tool flags installations where required labels may be missing from the photos. It also looks for problems with image metadata, such as the location and time stamps that must come with each photo. The tool does not make the final call. CER officers assess every flagged case and decide whether the rules have been met. The regulator has warned installers that it will fail claims and send them back to site if the work is not done properly the first time, and its guidance says missing photos will lead to delayed or rejected STC claims. ## The 21 suspensions, and what they were for In its update of 22 July 2026, the CER reported suspending 21 companies from the scheme. Its quarterly compliance update for April to June 2026 explains that they were permanently suspended from the Small-scale Renewable Energy Scheme because they no longer met fit and proper person requirements. The main reason was that ASIC had deregistered them, so they no longer existed as legal entities. These suspensions were not about battery photos. The same update recorded other action: - It suspended the registration of Asun Solar Pty Ltd, citing non-compliance with a statutory notice and a failure to show the capability, competency and business practices expected of a registered agent. - It issued a notice of intention to declare a solar retailer ineligible to make retailer written statements, after preliminary findings of false or misleading statements that solar systems were complete and able to generate electricity when they were not. If made, the declaration would stop that retailer supporting STC claims for up to three years. - It found cases where on-site selfies did not show the accredited installer recorded for the job. ## What it means for you A few checks on your side help: - **Use accredited people and products.** The federal government's checklist is a battery accredited by the Clean Energy Council, an installer accredited by Solar Accreditation Australia, and that installer on site for set-up, installation and commissioning. - **Expect photos.** Your installer needs to photograph the meter box, switchboard and battery. Make sure they can get access. - **Look at the labels.** After the job, check that the battery, switchboard and meter box are labelled, and keep a copy of your certificate of electrical compliance. - **Ask what happens if the claim fails.** Before signing, find out whether you could be asked to pay the discount back if the STC claim is delayed or rejected. Get the answer in writing. - **Check the business is still trading.** Several suspended companies had been deregistered. Look up the company's ABN or ASIC record before you pay a deposit. - **Check your discount was claimed.** The government says to contact the CER if you want to know whether the discount has been claimed for your installation. For how the discount is calculated, read [how the federal battery rebate works](https://solaranswers.com.au/guides/how-the-federal-battery-rebate-works) or try the [battery rebate calculator](https://solaranswers.com.au/calculators/battery-rebate). When you speak to installers, our list of [questions to ask a solar installer](https://solaranswers.com.au/guides/questions-to-ask-a-solar-installer) covers paperwork as well as price. ## Our take We think the photo rule is a sensible one from a household's point of view. The CER brought it in because labelling problems were common, and a dated, geotagged photo makes that step harder to skip. What we would watch most closely is the risk if a claim fails. Your discount rides on the STC claim, so we would want the contract to say plainly who carries that risk. And since deregistration was the main reason behind the 21 suspensions, we would check the company still exists before paying a deposit. Sources: - [Clean Energy Regulator, Clean Energy Regulator targets incomplete solar in compliance crackdown (22 July 2026)](https://cer.gov.au/news-and-media/media/2026/july/clean-energy-regulator-targets-incomplete-solar-compliance-crackdown) (checked 2026-09-23) - [Clean Energy Regulator, Compliance update, April to June 2026](https://cer.gov.au/about-us/our-compliance-approach/compliance-and-enforcement-priorities/compliance-and-enforcement-priorities-2025-26/compliance-update-april-to-june-2026) (checked 2026-09-23) - [Clean Energy Regulator, Solar battery installers and designers](https://cer.gov.au/schemes/renewable-energy-target/renewable-energy-target-participants-and-industry/solar-battery-installers-and-designers) (checked 2026-09-23) - [DCCEEW, Cheaper Home Batteries Program](https://www.dcceew.gov.au/energy/programs/cheaper-home-batteries) (checked 2026-09-23) ## NSW's solar emergency backstop: what changes when you install or upgrade URL: https://solaranswers.com.au/guides/nsw-solar-emergency-backstop-explained Updated: 2026-10-20 NSW's solar backstop is a last-resort grid safety measure. Existing systems need no action, but new or upgraded installations should meet the current network rules. If you already have solar on your NSW roof, the state's [emergency backstop guidance](https://www.energy.nsw.gov.au/households/action/initiatives/emergency-backstop) offers a straightforward answer: an existing system that you are not changing needs no action. The practical question is different if you are ordering a new array, replacing an inverter or adding equipment to an existing installation. New and upgraded solar systems are being brought into a staged set of technical and registration requirements from late 2026. Ask the installer how those requirements apply to the actual design quoted for your home. The backstop is intended to be a last-resort tool for periods when electricity supply substantially exceeds demand. AEMO can direct NSW distribution networks to temporarily reduce rooftop exports or pause generation if other measures have not resolved a minimum-system-load emergency. NSW says it expects this to happen rarely and that normal operation will be restored after the emergency. It is not a plan to switch every solar home off each sunny afternoon. The difference matters: a routine export limit in your connection agreement and an AEMO-directed emergency intervention are separate things. ### Why is NSW adding a backstop? Rooftop output can be very high when the sun is strong and ordinary grid demand is low. As our [report on the October rooftop-solar output record](https://solaranswers.com.au/blog/rooftop-solar-nem-october-record) explains, a national output figure is not the same thing as the power a particular household can export. The operator has to balance electricity across the wider system at every moment. NSW's [household explanation](https://www.energy.nsw.gov.au/households/action/initiatives/emergency-backstop) says it would first look to other actions, including adjustments to large generators and large users, before activating this backstop. Temporary control of distributed solar is another safety option when those steps are insufficient. That does not mean your panels have become defective or that a customer has done something wrong. It also does not tell you how frequently your own system might be affected: NSW describes the mechanism as rare, but its actual use will depend on future grid conditions. A quote that claims a particular annual loss of solar production from the backstop should therefore show a transparent basis for the estimate, rather than presenting it as an established NSW-wide figure. ### Which installations are covered? According to the current [NSW Government household page](https://www.energy.nsw.gov.au/households/action/initiatives/emergency-backstop), new and upgraded rooftop solar systems up to and including 200 kW are the systems for which installers will need to meet the new requirements during the staged rollout. The inverter needs to comply with the Common Smart Inverter Profile - Australia, known as CSIP-AUS. The installer also has to register the new or upgraded system with the relevant distribution network's utility server through the NSW Consumer Energy Resources Installer Portal. The government has not given households a single universal commissioning date for every network and scenario on that page. It describes a staged introduction from late 2026. Before accepting a quote, ask the retailer or installer which requirements apply to the proposed installation date and your address, then have the answer recorded on the quote or handover documents. A system sold as 'smart' is not automatically evidence that the required inverter profile and registration have been completed. There is an important distinction for battery upgrades. NSW's [FAQ](https://www.energy.nsw.gov.au/households/action/initiatives/emergency-backstop) says the backstop requirements apply when a battery is a hybrid system connected to solar. They do not apply simply because you add an AC-coupled battery. Yet the right classification depends on the actual wiring and inverter arrangement, not the label in a sales brochure. Have the installer identify whether your existing solar inverter will be replaced, whether the solar system itself is being upgraded, and which registration steps follow from that design. A standard EV charger is outside the current solar backstop requirements. ### What could happen during an activation? NSW says a network might temporarily lower exports or pause generation, following AEMO's instruction. The effect on self-consumption, feed-in revenue or a battery's behaviour can differ with the system's configuration and the particular control action. The public guidance does not establish a household-wide monetary loss or compensation figure. Ask your installer how the proposed inverter and battery are expected to behave if exports are reduced, if generation is paused, and once normal operation resumes. This is especially useful when a salesperson says a battery guarantees uninterrupted solar use; backup also depends on the equipment and wiring. Our [blackout guide](https://solaranswers.com.au/guides/will-a-battery-work-in-a-blackout) addresses that separate question. NSW also says the mechanism is designed to operate within technical standards and should not damage a correctly installed system or affect the manufacturer's warranty when used as intended. That statement is not a reason to ignore ordinary installation quality. Keep the model numbers, warranties and commissioning records so a later fault can be diagnosed against the equipment actually installed. ### What to put on the quote and handover checklist Before signing, ask for the inverter make and exact model, the proposed solar and battery configuration, the network connection application, and who will complete CSIP-AUS setup and portal registration. Find out whether the quote includes any required communications equipment, connection charges or switchboard work. Our [solar quote comparison guide](https://solaranswers.com.au/guides/how-to-compare-solar-quotes) helps put those costs beside a second quote rather than comparing only the headline panel count. At handover, ask the installer to show the system operating and to provide the final design, electrical and commissioning paperwork, network approval and a route for support if the monitoring or communications link stops working. Use the [installation handover checklist](https://solaranswers.com.au/guides/solar-installation-handover-checklist) to record what was actually delivered. You do not have to become the grid operator. You do need a clear account of what is connected to your home and who is responsible for registering it. For an untouched existing array, no retrofit is required under the current NSW advice. For a new or modified one, the safest next step is a written, address-specific answer from the installer based on the latest network and NSW instructions. This guide reflects the government guidance checked on 19 October 2026; the staged implementation details should be checked again when work is booked. ### Do I need to change my existing NSW solar system? No. NSW says an existing system that is not being upgraded needs no action under the current backstop rollout. ### Does adding a battery bring my system under the backstop? The NSW guidance distinguishes a hybrid solar-battery system from an AC-coupled battery alone. Ask your installer how the actual wiring and inverter upgrade are classified. ### Will the backstop turn off rooftop solar every sunny day? No. NSW describes it as a rare, last-resort response to an AEMO-directed minimum-system-load emergency, after other measures have been tried. Sources: - [NSW Government, Emergency Backstop Mechanism, household guidance and FAQ](https://www.energy.nsw.gov.au/households/action/initiatives/emergency-backstop) (checked 2026-10-19) - [NSW Government, Preparing for the NSW Emergency Backstop Mechanism fact sheet](https://www.energy.nsw.gov.au/sites/default/files/2026-03/Preparing-for-the-NSW-Emergency-BackstopMechanism_Factsheet_2026.pdf) (checked 2026-10-19) - [SolarAnswers, Rooftop solar sets a new output record across the main electricity market](https://solaranswers.com.au/blog/rooftop-solar-nem-october-record) (checked 2026-10-19) ## Bigger solar and batteries in south-west WA: what the 2026 connection rules actually allow URL: https://solaranswers.com.au/guides/wa-solar-battery-connection-rules-2026 Updated: 2026-10-20 WA's updated connection rules give many south-west households a route to larger solar and battery systems, but a bigger inverter does not mean unlimited exports. A salesperson may describe Western Australia's new rules as permission to install a much bigger solar inverter. That is only part of the story. For new or upgraded systems on the South West Interconnected System, or SWIS, the [WA Government's consumer guidance](https://www.wa.gov.au/organisation/energy-policy-wa/requirements-solar-and-batteries-information-consumers) describes a more flexible standard connection pathway for solar and batteries, alongside modern communication and emergency-management requirements. The changes took effect on 1 May 2026. They do not rewrite the terms of an existing system that has not been upgraded. This is a practical buying question in October, when a household might be comparing panels, a battery, a larger inverter or an electric car. It is possible to buy hardware larger than an old rule permitted but still receive a modest export limit at a particular address. The physical network, the retailer's arrangement and commissioning details determine what can actually be connected and exported. Treat an advertised capacity as a design possibility, not a promise that your meter will send all surplus electricity to the grid. ### Where do the changes apply? The rules discussed here concern the [SWIS](https://www.wa.gov.au/organisation/energy-policy-wa/requirements-solar-and-batteries-information-consumers), the south-west electricity grid, and new or upgraded solar and battery installations within the standard small-user framework. They are not a blanket statement about every remote WA town, isolated network or commercial project. The government says the framework covers inverter-based systems up to an aggregate 30 kVA on a standard connection, including single- and three-phase sites. An installer must still check the relevant Western Power connection process and your retailer's commissioning requirements. Capacity labels are easy to mix up. The 30 kVA figure concerns aggregate inverter capacity in this connection framework; it is not a battery's stored energy in kWh, a promise of 30 kW exports, or a recommendation that every home needs a system that large. Before sizing equipment, use the household's bills, daytime use, roof space and future loads. Our [solar system sizing guide](https://solaranswers.com.au/guides/what-size-solar-system-do-i-need) gives a starting point for that discussion. A larger array can be useful for self-consumption even when network exports are restricted, but that value must be checked against the actual quote and tariff. ### What equipment and connectivity are required? WA says new or upgraded systems need modern grid-communication capability. For most Synergy household customers, installers use the Common Smart Inverter Profile - Australia, CSIP-AUS, as part of commissioning. The [technical explanation](https://www.wa.gov.au/organisation/energy-policy-wa/technical-requirements-new-or-upgraded-solar-and-battery-systems) says new and upgraded systems in this framework must be capable of remote disconnection and reconnection in a grid emergency. This extends WA's earlier emergency solar management approach. It is a safety function, not a daily instruction to surrender control of your battery. An internet connection can matter if you want a flexible-export product. The [consumer page](https://www.wa.gov.au/organisation/energy-policy-wa/requirements-solar-and-batteries-information-consumers) says a system must pass installation capability testing, but a customer who does not want to join export products, or cannot maintain stable internet, is not required to keep ongoing connectivity after the test. In that case the site can use a standard fixed export limit of up to 1.5 kW while retaining personal use of its solar or battery energy. A fixed export limit is therefore an option with a trade-off, not a ban on making your own electricity. If communication fails on a flexible arrangement, the government's [installer guidance](https://www.wa.gov.au/organisation/energy-policy-wa/requirements-solar-and-batteries-information-installers-and-retailers) says the system defaults to a lower static export setting; flexible capability can return when communication is restored, subject to the applicable arrangement. Ask the installer who will set up the connection, whether your home internet location is suitable and what monitoring alert you will see if connectivity is lost. This can be as important as the panel brand if projected earnings rely on flexible exports. ### Does an older system need to be changed? No automatic retrofit follows from these rules. WA's [consumer guidance](https://www.wa.gov.au/organisation/energy-policy-wa/requirements-solar-and-batteries-information-consumers) says systems installed or upgraded before 1 May 2026 are not affected simply because the new framework exists. The position can change if you modify the installation. Adding a battery or inverter to an existing solar array is the type of upgrade for which the [industry guidance](https://www.wa.gov.au/organisation/energy-policy-wa/requirements-solar-and-batteries-information-installers-and-retailers) says the standard small-user requirements may apply. A similar inverter replaced under warranty is listed as an exception to the ongoing criteria. These distinctions are a reason to ask for an exact design review before ordering a battery. The policy also does not say a household must join a virtual power plant. WA wants systems capable of future services, but joining an export arrangement is a separate consumer choice. Our [VPP guide](https://solaranswers.com.au/guides/virtual-power-plants-explained) sets out the reserve, dispatch and exit questions worth asking before signing. The presence of CSIP-AUS in a quote is not itself a VPP agreement, and an attractive export estimate is not guaranteed income. ### How to test a quote against the rule Ask each installer for the total inverter capacity in kVA, panel capacity in kW, usable battery capacity in kWh, and the export limit expected at your address. Request the connection approval conditions, including whether the proposed design uses a fixed limit or a flexible-export arrangement. Confirm which retailer commissioning process will be used, who will complete CSIP-AUS setup, and what happens if the internet connection drops. A well-specified quote should distinguish equipment capability from the actual network-approved export setting. Then compare the economics with conservative assumptions. The value of electricity you use in the house can differ from the feed-in payment on electricity sent out. Our [feed-in tariff guide](https://solaranswers.com.au/guides/solar-feed-in-tariffs) explains why export revenue alone should not decide system size. Ask the installer to show how much of the estimated benefit comes from self-use, ordinary exports and any optional export product. Check whether a promised flexible product is available from your retailer today or merely expected in the future. Finally, keep the approved design, commissioning report, inverter settings, network paperwork and support contact. If you later add panels or a battery, those records help the next electrician distinguish the existing approved system from the proposed upgrade. The key point is simple: the 2026 rules can make a larger design possible on the SWIS, but the site-specific connection decision and the customer's export choice still matter. ### Do the 2026 WA rules apply to my existing solar system? An unchanged system installed before 1 May 2026 is not automatically affected. An upgrade can bring new connection requirements into play. ### Does a 30 kVA system mean I can export 30 kW? No. Inverter capacity and export permission are different. Your network approval states the export limit for your address and chosen connection pathway. ### Must a WA solar customer join a virtual power plant? No. Technical capability for future services is not the same as agreeing to a VPP contract. Read any dispatch, reserve and exit terms separately. Sources: - [WA Government, Requirements for solar and batteries: information for consumers](https://www.wa.gov.au/organisation/energy-policy-wa/requirements-solar-and-batteries-information-consumers) (checked 2026-10-19) - [WA Government, Requirements for solar and batteries: information for installers and retailers](https://www.wa.gov.au/organisation/energy-policy-wa/requirements-solar-and-batteries-information-installers-and-retailers) (checked 2026-10-19) - [WA Government, Technical requirements for new or upgraded solar and battery systems](https://www.wa.gov.au/organisation/energy-policy-wa/technical-requirements-new-or-upgraded-solar-and-battery-systems) (checked 2026-10-19) ## NSW Home Energy Saver loan: how to apply for solar or a battery URL: https://solaranswers.com.au/guides/nsw-home-energy-saver-loan Updated: 2026-10-19 A practical guide to the NSW zero-interest Home Energy Saver loan: who can apply, how to get an eligible quote, and when to wait for the separate discount. The NSW Home Energy Saver loan can help spread the upfront cost of rooftop solar, a home battery or another approved energy upgrade. It is a **zero-interest loan, not a rebate**: you still repay what you borrow. The [NSW Government's program page](https://www.energy.nsw.gov.au/households/grants-rebates/home-energy-saver) says applications are open for loans of up to $15,000, with repayment terms of up to 10 years. Brighte and Plenti deliver the loans. The separate discount of up to $4,000 was still **coming soon** when this guide was checked on 19 October 2026. That timing affects your first move. If you may qualify for both the discount and a loan **for the same purchase**, NSW recommends waiting for discount applications to open and applying for the discount first. Taking a loan for a battery now does not let you attach the future discount to that same battery purchase later. If you need to proceed now, decide on that trade-off before signing or paying a deposit. ## Check the property and household rules first The [October 2026 loan guidelines](https://www.energy.nsw.gov.au/sites/default/files/2026-10/Home_Energy_Saver_Loans_guidelines_October-2026.pdf) set out the full eligibility test. In brief, the applicant must own the NSW property, either as a homeowner or landlord, be an Australian citizen or permanent resident, and have combined annual taxable household income of no more than $210,000. The lender also assesses the finance application. Meeting the program rules does not guarantee credit approval. This loan is not a tenant loan. A renter may be able to seek the separate discount when it opens, with the required landlord permission, but that is a different application. The guidelines exclude social or community housing and short-stay accommodation from the loan. If you own an apartment or an investment property, check the property and approval requirements against the guidelines before ordering equipment. Strata permission and network approval may be separate issues. The planned discount has a narrower income test: the [NSW program page](https://www.energy.nsw.gov.au/households/grants-rebates/home-energy-saver) says a household may qualify with income of up to $80,000 or an eligible concession card. That is why it is worth checking the discount rules even if your initial search was for a loan. ## Choose the upgrade before choosing the finance Rooftop solar and home batteries are among the technologies covered by the [loan guidelines](https://www.energy.nsw.gov.au/sites/default/files/2026-10/Home_Energy_Saver_Loans_guidelines_October-2026.pdf), alongside other eligible home energy upgrades. Eligibility applies to the equipment, design, installation and supplier, not merely the product category. A battery, for example, needs to meet the program's capacity, connection and product requirements. An ordinary quote from an otherwise reputable installer is not automatically a Home Energy Saver quote. Start with the job you need. If you already have solar, compare the battery's usable capacity with your evening use, export pattern and desired backup. Our guides on [battery sizing](https://solaranswers.com.au/guides/what-size-battery-do-i-need) and [what works during a blackout](https://solaranswers.com.au/guides/will-a-battery-work-in-a-blackout) cover those decisions. If solar is the first step, use [solar system sizing](https://solaranswers.com.au/guides/what-size-solar-system-do-i-need) to check the proposed array against your roof and electricity use. A loan changes when you pay, not whether the equipment is worth buying. ## How to apply, step by step ### 1. Decide whether to wait for the discount If your household may qualify for the forthcoming discount and you want it on this purchase, pause here. The [NSW Government's application instructions](https://www.energy.nsw.gov.au/households/grants-rebates/home-energy-saver) recommend applying for that discount first, then seeking a loan for the eligible balance. As at 19 October 2026, the discount application was not yet open. Do not treat a supplier's estimate of a future discount as an approved amount. If you do not plan to use that discount on this purchase, you can continue with the loan process now. The government lists no current closing date for loan applications, but that does not mean every supplier or product will stay available. ### 2. Select Brighte or Plenti, then check the supplier list NSW lists [Brighte](https://brighte.com.au/homeowners/nsw-home-energy-saver-loan) and [Plenti](https://www.plenti.com.au/home-energy-saver-loans/households) as participating finance providers. Visit both lender pages. Check their approved suppliers, supported upgrades, loan size and repayment terms before deciding which route suits your project. You apply for the loan through the lender, not through a general NSW grants form. Brighte describes a $2,000 to $15,000 loan at 0% interest over up to 10 years, with no establishment, weekly account-keeping or introducer fee. Its [published terms](https://brighte.com.au/homeowners/nsw-home-energy-saver-loan) say a $4.99 late fee may apply, capped at $49.90 a year. Plenti publishes its own [loan and fee details](https://www.plenti.com.au/home-energy-saver-loans/households), including a possible overdue-payment fee. Read the lender's current contract rather than assuming that "zero interest" means there are no possible charges. For a practical walkthrough focused on one lender, this [NSW Brighte loan application guide](https://sunbridgeenergy.com.au/blog/how-to-apply-nsw-home-energy-saver-loan) shows how an installer quote can fit into the process. The official NSW page and your chosen lender's current terms should settle any differences in dates or eligibility. ### 3. Ask approved suppliers for itemised quotes The [NSW application page](https://www.energy.nsw.gov.au/households/grants-rebates/home-energy-saver) directs households to the approved supplier list of their chosen lender. Ask each supplier to identify the proposed products, installation work and any extra electrical or network work. The [loan guidelines](https://www.energy.nsw.gov.au/sites/default/files/2026-10/Home_Energy_Saver_Loans_guidelines_October-2026.pdf) require a quote that separates product and installation costs and shows the loan and other discounts. Ask how federal small-scale technology certificate discounts or other eligible incentives have been reflected so that you do not count the same saving twice. Compare the total installed price, not just the monthly repayment. Check the model numbers, solar or battery capacity, warranties, expected installation date, grid-connection responsibilities and what happens if the design changes. Our [solar quote comparison guide](https://solaranswers.com.au/guides/how-to-compare-solar-quotes) has a checklist you can use before signing. If an installer asks for a deposit, confirm its amount and refund terms in writing. ### 4. Apply with the lender and read the offer Submit the chosen quote and the documents requested by Brighte or Plenti through that lender's application process. Expect an identity, income and credit assessment. The lender, rather than the installer, decides whether to approve the loan and on what terms. Do not book work on the assumption that an initial eligibility check is final approval. Before accepting, check the financed amount, repayment frequency, first repayment date, any deposit, fees for missed repayments and the process if installation is delayed or cancelled. If part of the price is above the approved loan amount, establish exactly when you must pay the difference. Keep a copy of the quote, finance agreement and any changed design. The [NSW guidelines](https://www.energy.nsw.gov.au/sites/default/files/2026-10/Home_Energy_Saver_Loans_guidelines_October-2026.pdf) explain how approved suppliers and lenders confirm completion and payment. ### 5. Confirm the finished system before repayments begin After installation, compare the equipment against the signed quote and have the installer show you the system and monitoring. Collect your safety, commissioning and warranty paperwork using our [installation handover checklist](https://solaranswers.com.au/guides/solar-installation-handover-checklist). The [NSW program page](https://www.energy.nsw.gov.au/households/grants-rebates/home-energy-saver) says loan repayments start after the installation is complete and working as intended, in line with your loan agreement. Tell the lender promptly if the job is incomplete or there is a dispute about what was installed. Keep written records of the issue and any response. The useful order is therefore: **check discount timing, check eligibility, choose a lender and approved supplier, compare itemised quotes, apply for finance, then verify the completed job**. That keeps the finance decision tied to a real system and a real total price, rather than a monthly figure alone. ### Is the NSW Home Energy Saver loan open now? Yes. Loan applications are open through Brighte and Plenti. As checked on 19 October 2026, the NSW Government had not set a closing date. The separate Home Energy Saver discount was not yet open. ### Can I use the loan for a home battery? A qualifying home battery can be funded, but the product and installation must meet the program rules. Check the current loan guidelines and your chosen lender's approved supplier list before accepting a quote. ### Can I combine the loan with the NSW Home Energy Saver discount? Potentially, if you meet both sets of criteria. For the same purchase, the NSW Government recommends waiting until discount applications open, applying for the discount first, then seeking a loan for any remaining eligible cost. ### Is a zero-interest loan the same as a rebate? No. A loan must be repaid. Zero interest does not remove the principal, and late-payment fees may apply under a lender's terms. The separate discount reduces an eligible purchase price. Sources: - [NSW Government, Home Energy Saver program and application steps](https://www.energy.nsw.gov.au/households/grants-rebates/home-energy-saver) (checked 2026-10-19) - [NSW Government, Home Energy Saver loan guidelines, October 2026](https://www.energy.nsw.gov.au/sites/default/files/2026-10/Home_Energy_Saver_Loans_guidelines_October-2026.pdf) (checked 2026-10-19) - [Brighte, NSW Home Energy Saver loan terms and eligibility](https://brighte.com.au/homeowners/nsw-home-energy-saver-loan) (checked 2026-10-19) - [Plenti, Home Energy Saver loans for NSW households](https://www.plenti.com.au/home-energy-saver-loans/households) (checked 2026-10-19) - [NSW Brighte loan application guide](https://sunbridgeenergy.com.au/blog/how-to-apply-nsw-home-energy-saver-loan) (checked 2026-10-19) ## Solar installation handover checklist for Australian households URL: https://solaranswers.com.au/guides/solar-installation-handover-checklist Updated: 2026-10-18 Check the installed equipment, monitoring, safety paperwork, meter status and support route before you call a solar job finished. If your new panels are on the roof but the app still shows nothing, has the job finished? Perhaps the physical installation has, but your solar system may still need inspection, meter work or permission to switch on. The details vary across Australia. A useful handover is a conversation and a set of documents, not simply a photo of panels and a promise that somebody will email later. If you are still choosing a business, start with [questions to ask a solar installer](https://solaranswers.com.au/guides/questions-to-ask-a-solar-installer) and [how to compare quotes](https://solaranswers.com.au/guides/how-to-compare-solar-quotes). Recent reporting about installation delays and complaints has made many buyers more cautious. The practical response is to record what was ordered, what was installed and who owns each remaining step. SolarAnswers has covered [Solar Power Nation installation complaints](https://solaranswers.com.au/blog/solar-power-nation-battery-installation-complaints) and the wider [solar and battery consumer trust issues](https://solaranswers.com.au/blog/australia-solar-battery-consumer-trust-problems). Those cases do not establish that your installer has done anything wrong. They do show why a clear paper trail matters. ## Before work begins, match the boxes to the contract The Australian Government's [Solar Consumer Guide for installation day](https://www.energy.gov.au/solar/solar-retailers-and-installation/installation-day-and-after) advises checking that the panels, inverter and extras such as optimisers or a monitoring app match the quote or contract. Look for model numbers, not just a brand name. A supplier may propose a substitute because stock or site conditions changed, but you should understand the change, its effect on output and any price difference before agreeing. The government's [connection guide](https://www.energy.gov.au/solar/solar-retailers-and-installation/get-connected) says design changes can arise from network requirements, component availability or a more detailed site assessment. It says the changes and their cost or generation effects should be explained and agreed in writing before installation. Keep the revised quote and any approval email with your original contract. If roof conditions require a different panel layout, ask for an updated design rather than trying to judge it from the driveway. Ask who the accredited installer is. According to the [Solar Consumer Guide](https://www.energy.gov.au/solar/solar-retailers-and-installation/installation-day-and-after), at least one installer should hold Solar Accreditation Australia accreditation, which belongs to the person rather than the company. The guide says that person must be present for set-up, a mid-installation check and testing and commissioning. You can ask to see their digital identification and check the electrical contractor licence. Do this calmly on the day, while the team is still there. ## See the system demonstrated Ask the installer to show you the inverter display or monitoring app and explain which readings represent solar generation, household consumption and export. Some apps show only part of that picture unless extra monitoring hardware is fitted. Your installer may need access to your Wi-Fi, and the [government guide](https://www.energy.gov.au/solar/solar-retailers-and-installation/installation-day-and-after) says they should explain how to use the app if one is included. Make sure you have your own account and know how to regain access if you change phone or internet provider. Ask for a simple demonstration of safe operation, including the shutdown and isolation procedure to follow in an emergency. Do not operate switches just to test your memory; record the instructions and keep them where the household can find them. Ask what an inverter fault or earth fault alarm looks like and who to call. If the installation includes a battery, ask what it will and will not power during an outage, whether a reserve is configured and whether any virtual power plant arrangement can change its operation. Our guide to [battery backup in a blackout](https://solaranswers.com.au/guides/will-a-battery-work-in-a-blackout) explains why a battery alone does not guarantee backup. Those details should match the written sale terms. Photograph the equipment labels, switchboard labels and final roof layout from a safe position. Do not climb onto the roof or open electrical enclosures. These photos help identify the equipment later if a warranty or service question arises. Ask who is responsible for any damaged tiles, penetrations, leaks or changes made to the switchboard, and record the answer while the team can inspect the site. ## The paperwork that should follow you home The [Solar Consumer Guide's handover list](https://www.energy.gov.au/solar/solar-retailers-and-installation/installation-day-and-after) includes the sale contract, system specifications, maintenance advice, operating and monitoring instructions, emergency shutdown procedure, state or territory electrical safety certificate or equivalent, warranties for products and installation, equipment manuals, retailer and installer contacts, commissioning sheet and steps to take after an earth fault alarm. Save digital copies in a folder you control. If a document has not yet been issued, write down who will send it and when. A product warranty and an installation warranty are different. Keep both with your signed [quote comparison](https://solaranswers.com.au/guides/how-to-compare-solar-quotes). The [ACCC's solar and home battery guidance](https://www.accc.gov.au/consumers/specific-products-and-activities/solar-panel-systems-and-home-batteries) says Australian consumer guarantees apply to both products and installation services and cannot be excluded by a contract. They are separate from a manufacturer's warranty. If one business sold the system and installation together, it is generally responsible for providing a remedy even if it subcontracted the work. If you paid two businesses separately, responsibility may be split according to whether the issue is with the product or the installation. ## Check the meter and the permission to operate Do not assume a completed installation is ready to export. The [government connection guide](https://www.energy.gov.au/solar/solar-retailers-and-installation/get-connected) says the steps and timing vary by state, territory and network. In NSW, for example, the network application needs approval before installation; the smart meter may be installed or configured afterwards; and the installer or retailer should tell you when you can switch the system on. Victoria has a separate electrical safety certificate and inspection process. Ask for the status of your own network approval and metering request, plus the person responsible for chasing each one. Once operation is authorised, compare several days of app readings with the weather and your meter or retail account. One cloudy day is not enough to judge performance. If generation stays at zero or looks inconsistent with what the installer demonstrated, email the business that sold you the system with dates, screenshots, equipment details and a clear request for an inspection or explanation. The [government dispute guide](https://www.energy.gov.au/solar/solar-retailers-and-installation/dispute-resolution) recommends starting with the solar retailer or installer in writing, then sets out routes through state fair trading bodies, accreditation schemes and energy ombudsmen depending on the issue and location. The test of a good handover is simple: you know what was installed, you have the documents, you understand when it may be switched on, and you know who to contact if the numbers do not look right. Get those answers before the crew and the details disappear from the driveway. ### Can I switch on my solar system as soon as the installers leave? Not always. Inspection, network approval or smart meter configuration may still be needed. Ask the installer or retailer to confirm the steps for your state and network before switching it on. ### Which documents should I get after a solar installation? Keep the contract, equipment specifications and manuals, electrical safety certificate or equivalent, commissioning sheet, warranties, operating and shutdown instructions, and the retailer and installer's contact details. ### Who should I contact if the system does not work? Start with the business that sold you the system and describe the fault in writing. The next complaint route depends on the problem and your state or territory. Sources: - [Australian Government Solar Consumer Guide, installation day and after](https://www.energy.gov.au/solar/solar-retailers-and-installation/installation-day-and-after) (checked 2026-10-18) - [Australian Government Solar Consumer Guide, get connected](https://www.energy.gov.au/solar/solar-retailers-and-installation/get-connected) (checked 2026-10-18) - [Australian Government Solar Consumer Guide, dispute resolution](https://www.energy.gov.au/solar/solar-retailers-and-installation/dispute-resolution) (checked 2026-10-18) - [ACCC, solar panel systems and home batteries](https://www.accc.gov.au/consumers/specific-products-and-activities/solar-panel-systems-and-home-batteries) (checked 2026-10-18) ## How much does solar cost in Australia in 2026? URL: https://solaranswers.com.au/guides/how-much-does-solar-cost Updated: 2026-09-23 Average 2026 solar prices by capital city for 6 kW and 10 kW systems, what a quote should include, what adds cost and why the cheapest quote is not always the best. In six of the eight capital cities, an average 6 kW solar system cost between $5,070 and $6,250 fully installed, and a 10 kW system between $8,250 and $9,480, according to the Solar Choice Price Index for 1 September 2026. Hobart and Darwin were higher. These averages already include the federal solar discount and GST, and your own quote may be higher or lower depending on your roof, the equipment and the installer. ## Average solar prices by city The Solar Choice Price Index is published monthly by Solar Choice, a solar quote comparison business, using prices supplied by installers in its network. These are its figures for standard systems as at 1 September 2026: | City | 6 kW system | 10 kW system | |---|---|---| | Sydney | $5,710 | $8,710 | | Melbourne | $5,790 | $8,900 | | Brisbane | $6,250 | $9,480 | | Adelaide | $5,360 | $8,370 | | Perth | $5,070 | $8,250 | | Hobart | $7,310 | $11,970 | | Canberra | $5,720 | $8,320 | | Darwin | $9,890 | $14,930 | A few things to keep in mind when you read this table: - **They are averages.** Real quotes vary with your roof, the panels and inverter, and the installer. Use the table to spot a quote that is well outside the usual range, not to predict your exact price. - **They are standard offers.** Solar Choice says its premium offers, with higher-end equipment, come in 20 to 30% higher than the standard prices. - **Bigger systems cost less per watt.** Solar Choice puts the national average at $0.88 to $0.95 per watt installed. In Sydney, the 6 kW average works out at about $0.95 per watt and the 10 kW average at about $0.87. ## The STC discount is already in the price Every price in the table has the federal solar discount taken off. That discount comes from the Small-scale Renewable Energy Scheme, which gives eligible systems certificates called small-scale technology certificates (STCs). Your installer usually claims and sells them for you, and takes their value off your bill. Our guide to [the solar rebate and STCs](https://solaranswers.com.au/guides/solar-rebate-stcs-explained) explains how the numbers are worked out. How much the discount is worth depends on system size, your postcode's zone and the year of installation. As a rough guide for systems installed in 2026, at $37 to $40 per certificate: - **6 kW in Sydney, Brisbane, Adelaide, Perth or Canberra** (all Zone 3): about 41 STCs, worth about $1,520 to $1,640 - **10 kW in the same cities**: about 69 STCs, worth about $2,550 to $2,760 - **6 kW in Melbourne or Hobart** (Zone 4): about 35 STCs, worth about $1,300 to $1,400 Your quote's final price should already have this taken off. The discount applies to every eligible system, so if a salesperson presents it as a special deal or a limited-time offer, treat that as a warning sign. The discount also gets smaller each year. A system installed in 2027 is credited with four years of generation instead of five, so the same system earns about a fifth fewer certificates. That alone is not a reason to rush, because prices also move with competition and equipment costs. ## What a standard price usually includes A quote for a standard installation should normally cover: - the panels and the mounting system (racking) that fixes them to your roof - the inverter, which converts the panels' power for use in your home - cabling, isolator switches and other electrical parts - installation labour and connection to your switchboard - paperwork such as the network connection application, electrical safety certificate and STC claim - monitoring, if the inverter offers it Check that the quote names the brand and model of the panels and inverter, and states the system size in kW. Also ask whether your meter needs to be changed or reprogrammed to record exports, who arranges that, and whether there is a fee. ## What adds to the cost ### Your roof - **Roof material.** Tile roofs, especially terracotta, can take longer to work on than metal roofs, and cracked tiles need replacing. - **Flat roofs.** Panels may need tilt frames to face the sun properly. - **Height and pitch.** Two-storey homes and steep roofs need extra safety equipment, such as scaffolding or edge protection, which adds labour and hire costs. - **Several roof faces.** Splitting panels across faces adds design and cabling work. ### Your switchboard and wiring Older switchboards may need an upgrade before solar can be connected safely, for example if they still use old ceramic fuses, have no room for new circuit breakers, or contain asbestos. This is a common source of surprise costs, so ask the installer to inspect the switchboard before quoting a fixed price. Long cable runs between the panels, inverter and switchboard, or network requirements for export control, can also add cost. ### Your choice of equipment - **Premium panels** with higher efficiency or longer warranties cost more. Higher efficiency matters most when roof space is tight. - **Microinverters or optimisers** put electronics at each panel rather than relying on a single central (string) inverter. They can help where there is shade or panels on several roof faces, and allow panel-by-panel monitoring, but generally cost more. - **Hybrid inverters**, which can run a battery, may cost more now but can save work if you add a battery later. See [what size battery you need](https://solaranswers.com.au/guides/what-size-battery-do-i-need). ## Why the cheapest quote can cost you more A lower price is not always the better deal. Things that can make a cheap system expensive over its life: - **Weak warranty support.** A warranty only helps if the manufacturer and installer are still around to honour it. Ask who you call if something fails. - **Unclear scope.** A low headline price can grow once extras such as a switchboard upgrade, tile work or second-storey access are added. Ask for a fixed price after a site inspection. - **Poor design.** Panels in shade, on a poor roof face or with an unsuitable inverter may produce less than you expected. - **Rushed installation.** Poor workmanship can cause roof leaks or safety problems. Ask who will do the work and check they are accredited. - **Pressure tactics.** A price that is only good for today is a red flag. Our guide to [sales tactics to walk away from](https://solaranswers.com.au/guides/sales-tactics-to-walk-away-from) covers the common ones. Compare at least a few quotes line by line. Our guides on [how to compare solar quotes](https://solaranswers.com.au/guides/how-to-compare-solar-quotes) and [questions to ask a solar installer](https://solaranswers.com.au/guides/questions-to-ask-a-solar-installer) show you what to look for. ## State rebates may lower the price further Some states and territories offer help on top of the STC discount, usually with eligibility tests such as income limits or concession cards. Victoria, Queensland and the ACT currently have programs for solar panels. Rules and funding change, so check our [rebates hub](https://solaranswers.com.au/rebates) and your state's page before you sign. ## Price is only half the picture What solar is worth to you depends on how much of its output you use yourself, your electricity plan and your feed-in tariff. Try the [solar payback calculator](https://solaranswers.com.au/calculators/solar-payback) with the figures from a real quote, and read our guide to [solar feed-in tariffs](https://solaranswers.com.au/guides/solar-feed-in-tariffs). If you are still deciding on size, start with [what size solar system you need](https://solaranswers.com.au/guides/what-size-solar-system-do-i-need). ## The short version - On 1 September 2026, an average 6 kW system cost $5,070 to $6,250 in six capitals (Solar Choice Price Index), with Hobart and Darwin higher. - These prices already include the STC discount and GST. - Roof type, extra storeys, switchboard work and premium equipment add cost. - The cheapest quote can end up costing more if the scope, design or support is weak. - Get a fixed price after a site check and compare quotes line by line. You can [request quotes here](https://solaranswers.com.au/get-quotes). ### Does the price on my quote already include the solar rebate? It should. Most installers take the STC discount off the price for you, and a clear quote shows it as its own line. If you can't see it, ask the installer to show you the price before and after the discount. ### Are budget panels a false economy? Not always. Plenty of lower-cost panels perform well, but the inverter, the installation and who stands behind the warranty matter just as much. Compare the whole package, not only the panel brand. ### Will solar get cheaper if I wait? Nobody can say for sure. The STC discount gets smaller each year until 2030, while equipment prices and competition can move either way. Get quotes when you are ready and compare them carefully. ### How do I know if I need a switchboard upgrade? Your installer should check your switchboard, in person or from clear photos, before giving you a fixed price. They should tell you in writing whether an upgrade is needed and what it will cost. Sources: - [Solar Choice Price Index, 1 September 2026](https://www.solarchoice.net.au/solar-panels/solar-power-system-prices) (checked 2026-09-01) - [Clean Energy Regulator, Calculate small-scale technology certificate entitlements](https://cer.gov.au/schemes/renewable-energy-target/small-scale-renewable-energy-scheme/small-scale-technology-certificates/calculate-small-scale-technology-certificate-entitlements) (checked 2026-09-18) - [Clean Energy Regulator, Postcode zone ratings and zones for solar (PV) systems](https://cer.gov.au/document/postcode-zone-ratings-and-zones-solar-panel-systems) (checked 2026-09-23) - [Clean Energy Regulator, Buy and sell small-scale technology certificates](https://cer.gov.au/schemes/renewable-energy-target/small-scale-renewable-energy-scheme/small-scale-technology-certificates/buy-and-sell-small-scale-technology-certificates) (checked 2026-09-14) ## How the federal battery rebate works in 2026 URL: https://solaranswers.com.au/guides/how-the-federal-battery-rebate-works Updated: 2026-09-23 How the Cheaper Home Batteries discount is worked out: STCs, the factor, the size taper, who claims it, and why the date on your compliance certificate matters. The federal battery rebate is not a cheque from the government. It is a discount on the price of your battery, funded by certificates that are created on the battery's usable capacity and then sold. How big the discount is depends on the size of the battery and on the date your certificate of electrical compliance is issued. ## What the Cheaper Home Batteries Program is The Cheaper Home Batteries Program is a federal program that took effect for batteries installed on or after 1 July 2025. It runs until the end of December 2030. It uses the same certificate system that has discounted rooftop solar for years. Each eligible battery creates small-scale technology certificates, or STCs. These are tradeable: businesses that are required to buy them pay for them, and that money flows back to you as a lower price. If you want the solar side of the story, see [how solar STCs work](https://solaranswers.com.au/guides/solar-rebate-stcs-explained). ## How the discount is calculated There are four steps. Knowing them helps you check a quote. ### Step 1: start with usable capacity Batteries have two capacity figures. Nominal capacity is the total energy the cells can hold. Usable capacity is the part you can actually draw on, and it is normally lower. The rebate is worked out on **usable** capacity, so look for that number on the spec sheet and the quote. Our guide on [what size battery you need](https://solaranswers.com.au/guides/what-size-battery-do-i-need) explains more. ### Step 2: apply the size taper Not every kilowatt-hour counts equally: - The first 14 kWh of usable capacity counts in full. - Capacity above 14 kWh and up to 28 kWh counts at 60%. - Capacity above 28 kWh and up to 50 kWh counts at 15%. Batteries from 5 kWh up to 100 kWh nominal capacity are eligible, but only the first 50 kWh of usable capacity creates STCs. ### Step 3: multiply by the STC factor The STC factor is a multiplier set by the government for each period. It is falling every six months: - 6.8 for May to December 2026 - 5.7 for January to June 2027 - 5.2 for July to December 2027 - then 4.6, 4.1, 3.6, 3.1, 2.6 and finally 2.1 for July to December 2030 The factor was cut on 1 May 2026, so older articles showing bigger discounts may be using the old numbers. ### Step 4: round down and put a price on it The result is rounded down to a whole number of certificates. Each STC is then worth whatever the installer can sell it for. The STC Clearing House price is $40 excluding GST, and that works as a ceiling. Certificates may sell for less than that, so we use a range of $37 to $40 per STC. Here is a 16 kWh usable battery with a certificate issued in 2026. The first 14 kWh at the full rate, times the 6.8 factor, gives 95.2. The next 2 kWh at 60% gives another 8.16. That adds up to 103.36, which rounds down to 103 STCs, worth about $3,810 to $4,120. ## Examples now and from 1 January 2027 | Usable capacity | STCs to 31 Dec 2026 (factor 6.8) | Approx. value | STCs Jan to Jun 2027 (factor 5.7) | Approx. value | | --- | --- | --- | --- | --- | | 10 kWh | 68 | $2,520 to $2,720 | 57 | $2,110 to $2,280 | | 13.5 kWh | 91 | $3,370 to $3,640 | 76 | $2,810 to $3,040 | | 16 kWh | 103 | $3,810 to $4,120 | 86 | $3,180 to $3,440 | Values use $37 to $40 per STC and are rounded to the nearest $10. For other sizes, try the [battery rebate calculator](https://solaranswers.com.au/calculators/battery-rebate). ## Who claims it, and why it shows up as a discount The system owner can create the certificates, but most households sign that right over to their installer or retailer (or an agent) in the paperwork. The installer creates the STCs after the job is done, sells them, and gives you the value up front as a lower price. That is why the "rebate" appears as a line on your quote rather than as money in your account later. It also means the size of your discount partly depends on the price per STC your installer assumes. When you read a quote, look for: - the usable capacity the discount is based on - the number of STCs - the price per STC and the total discount - the final price you pay after the discount A bigger discount line does not always mean a cheaper battery, so compare final prices and what is included. See [how to compare solar quotes](https://solaranswers.com.au/guides/how-to-compare-solar-quotes). ## The compliance certificate date trap The factor that applies is the one in force on the date your **certificate of electrical compliance** is issued. That is the document your electrician issues when the work is finished. It is not the date you signed the contract or paid a deposit. This matters most near the end of a period. Say you sign in November expecting a December install. Parts arrive late, the job moves into the new year, and the certificate is dated in January 2027. The factor is now 5.7, not 6.8, and a 13.5 kWh battery creates 15 fewer STCs, roughly $560 to $600 less. Before you sign, ask: - Is the quoted price fixed, or will it change if the discount changes? - If the job finishes after 31 December, who covers the difference? - What is a realistic installation date, and what could delay it? Get the answers in writing, and be wary of anyone who uses the deadline to rush you. The ACCC reported in July 2026 that complaints about home batteries had more than doubled on the year before. A looming factor change is easy to use as a pressure line, so read our list of [sales tactics to walk away from](https://solaranswers.com.au/guides/sales-tactics-to-walk-away-from). ## What the 1 January 2027 step-down means The drop on 1 January 2027 is the next of several. Every six months the factor falls again, so the same battery gets a smaller discount. That is not a reason to panic-buy. Your usage, the battery price and the quality of the installer usually matter more than a few hundred dollars, and battery prices can move either way. It does mean that waiting has a cost worth knowing about. ## Who is eligible To qualify for the federal discount, the installation generally needs to meet all of these rules: - installed on or after 1 July 2025 - paired with solar, either existing or new, with the solar system under 100 kW - battery and inverter both on the Clean Energy Council (CEC) approved list - installed with a Solar Accreditation Australia (SAA) accredited installer present - VPP-capable if connected to the grid, meaning able to join a [virtual power plant](https://solaranswers.com.au/guides/virtual-power-plants-explained) (joining one is optional) - one discounted battery per premises, although an addition of at least 5 kWh can qualify if the existing battery never received support - portable batteries and electric vehicles are not included Since 1 March 2026, installers must also take geotagged, time-stamped photos of the battery's labels for compliance checks. That is one more reason to use an accredited business that does the paperwork properly. Check your eligibility with your installer rather than assuming. ## Stacking with state programs Some states offer extra support on top of the federal discount, such as the NSW virtual power plant incentive and the WA Residential Battery Scheme. Others have closed their programs. See the [rebates overview](https://solaranswers.com.au/rebates) for what is open now. ## The short version - The federal battery rebate is a discount on your quote, funded by STCs created on the battery's usable capacity. - The first 14 kWh counts in full, the next 14 kWh at 60%, and 28 to 50 kWh at 15%. - The factor is 6.8 until 31 December 2026, then 5.7, then lower every six months until the end of 2030. - The date on your certificate of electrical compliance sets the factor, so agree in writing what happens if the job runs late. - Compare final prices, not discount lines, and [get more than one quote](https://solaranswers.com.au/get-quotes). ### How much is the federal rebate on a 13.5 kWh battery? If your certificate of electrical compliance is issued on or before 31 December 2026, a battery with 13.5 kWh of usable capacity creates 91 STCs, worth roughly $3,370 to $3,640. If the certificate is dated in the first half of 2027, the same battery creates 76 STCs. ### Do I have to apply for the battery rebate myself? Usually not. Most households sign the certificates over to their installer or retailer, who creates and sells them after the job and takes their value off the price you pay. ### Can I get the battery rebate if I already have solar panels? Yes, the battery can be added to existing solar or installed with new panels, as long as the solar system is under 100 kW and the battery meets the other program rules. ### What happens to the battery rebate on 1 January 2027? The STC factor falls from 6.8 to 5.7, so every battery earns fewer certificates. It then drops again every six months until the program finishes at the end of 2030. Sources: - [DCCEEW, Cheaper Home Batteries Program](https://www.dcceew.gov.au/energy/programs/cheaper-home-batteries) (checked 2026-09-23) ## How to compare solar and battery quotes URL: https://solaranswers.com.au/guides/how-to-compare-solar-quotes Updated: 2026-09-23 Get more than one written quote, then line up the exact products, usable battery capacity, warranties, rebate and extra charges before you sign anything. To compare solar and battery quotes properly, get more than one in writing and line them up item by item: the exact products and quantities, the usable battery capacity, the warranties, what the installation includes, and how the rebate has been applied. The lowest total price is not always the best deal, and a quote you can't check line by line is hard to trust at all. ## Start with more than one written quote A written quote gives you something to compare and something to hold the business to. A price given over the phone is easy to change later. Try to get quotes from businesses that have looked at your roof, switchboard and meter box, either in person or through clear photos and satellite images. A quote worked out from your postcode alone may leave out work that pushes the price up on the day. If you use a quote website, check how it's paid and who your details are passed to. We explain our own arrangements at [how we make money](https://solaranswers.com.au/how-we-make-money), and you can [request quotes here](https://solaranswers.com.au/get-quotes). ## Compare like for like Two quotes for "a 6.6 kW system with a 10 kWh battery" can be very different products. Before you compare prices, make sure you're comparing the same things. ### Exact models and quantities A good quote names every major product by brand and model number, with the quantity: - **Panels:** model, wattage of each panel, number of panels and total system size in kW. - **Inverter:** model and size in kW. The inverter is the box that converts the direct current (DC) from your panels into the alternating current (AC) your home uses. - **Battery:** model, number of modules and usable capacity in kWh. - **Extras:** any backup gateway, monitoring device or new meter. If a quote only says "tier one panels" or "premium battery", ask for model numbers. Without them you can't compare, read the warranty or check an approved list. ### Usable capacity, not the headline number Batteries can be described by total or usable capacity. Usable capacity is what you can actually draw out, and it's what the federal battery rebate is worked out on. Ask each business to confirm the usable kWh in writing. Not sure what size you need? See [what size battery do I need](https://solaranswers.com.au/guides/what-size-battery-do-i-need) and [what size solar system do I need](https://solaranswers.com.au/guides/what-size-solar-system-do-i-need). ### Warranty terms Put the warranties side by side: - product warranties on the panels, inverter and battery - the panel performance warranty (the output the maker promises over time) - battery conditions, often a number of years, sometimes a limit on total energy cycled, and a minimum capacity the battery should keep - the workmanship warranty, which covers the installation itself - who you call if something fails ### What the installation includes Ask each business to spell out: - how the panels will be mounted on your roof type, and whether tilt frames are included - cable runs, conduit and isolators - where the battery and inverter will go and how they'll be mounted or protected - which circuits, if any, will stay on in a blackout (see [will a battery work in a blackout](https://solaranswers.com.au/guides/will-a-battery-work-in-a-blackout)) - the network connection application, any meter change, commissioning and app setup - removal of old panels or equipment, if you have any ## Check the rebate is shown as a line item The federal discount on solar panels and batteries comes from small-scale technology certificates (STCs). Your system creates these certificates, and the installer usually buys them from you by taking their value off your price. For more detail, read [solar rebate STCs explained](https://solaranswers.com.au/guides/solar-rebate-stcs-explained) and [how the federal battery rebate works](https://solaranswers.com.au/guides/how-the-federal-battery-rebate-works). A clear quote shows the price before the rebate, the number of STCs, the value used for each STC, and the price after. That lets you check it with our [battery rebate calculator](https://solaranswers.com.au/calculators/battery-rebate). As a guide, a battery with 10 kWh usable capacity installed at the current factor of 6.8 creates 68 STCs. At $37 to $40 per STC, that's roughly $2,520 to $2,720 off. The factor drops to 5.7 from 1 January 2027, which would mean 57 STCs, or roughly $2,110 to $2,280. Two things to confirm in writing: - **The date that sets the rate.** It's the date on your certificate of electrical compliance, issued after the installation, not the date you sign. If the job could slip into January 2027, ask who covers the difference. - **Eligibility basics.** For the battery rebate, the battery and inverter must be on the Clean Energy Council approved list, and a Solar Accreditation Australia (SAA) accredited installer must be on site. State and territory programs change often, so check [current rebates](https://solaranswers.com.au/rebates) for your area before assuming any are included. ## Switchboard upgrades and extra charges Extra charges are a common reason quotes differ. Watch for: - switchboard or meter box upgrades - long cable runs or trenching - steep, high or hard to reach roofs - tilt frames on flat roofs - network application or meter fees Ask whether each business has actually checked your switchboard, what happens if the installer finds a problem on the day, and for the quote to say no extra work will be charged without your written agreement. ## Payment terms and deposits Compare how and when you pay, not just how much: - the deposit amount and when it's due - whether the final payment is due only once the system is installed, switched on and working, and the paperwork is done - if you use finance, the interest rate, fees and total amount you'll repay, and whether the price changes compared with paying cash Be cautious about paying a large share of the price well before an installation date is set. Don't sign anything saying the job is complete until it is. In 2026 the Clean Energy Regulator took action over false "complete" statements made by solar retailers. For more warning signs, see [sales tactics to walk away from](https://solaranswers.com.au/guides/sales-tactics-to-walk-away-from). ## Installer or retailer: who are you dealing with? Some businesses install with their own staff. Others are retailers that sell the system and send a subcontractor. Either can work well, but you need to know who holds your contract, who the SAA-accredited installer on site will be (employee or subcontractor), and who handles warranty claims and service calls later. ## Accreditation checks - **Installer:** ask for the name and accreditation number of the person who'll be on site, and check it with SAA. - **Products:** check the battery and inverter against the Clean Energy Council approved list. - **Code of conduct:** ask whether the business has signed the New Energy Tech Consumer Code (NETCC). The ACCC approved an updated version on 28 August 2026. Signatories must take responsibility for third parties doing their marketing, including lead sellers. The ACCC notes the code still has no external dispute resolution, so know your state fair trading office too. For a battery, also confirm the installer will take the geotagged, time-stamped label photos the Clean Energy Regulator has required since 1 March 2026. Missing photos can delay or stop the rebate claim. More questions are in [questions to ask a solar or battery installer](https://solaranswers.com.au/guides/questions-to-ask-a-solar-installer). ## A comparison checklist Use this for each quote you get. | What to check | What a clear quote shows | |---|---| | Panels | Brand, model, wattage, number of panels, total kW | | Inverter | Brand, model and size in kW | | Battery | Brand, model, number of modules, usable kWh | | Backup | Which circuits stay on in a blackout, if any | | Warranties | Years and conditions for each product, plus workmanship | | Installation scope | Mounting, cabling, battery location, connection, commissioning | | Rebate | Price before, number of STCs, value per STC, price after | | Extras | Switchboard, meter and access costs included or ruled out | | Payment | Deposit, when the balance is due, finance costs if any | | Who installs | Employee or subcontractor, SAA accreditation number | | Code of conduct | Whether the business is a NETCC signatory | ## The short version - Get more than one written quote from businesses that have checked your roof and switchboard. - Compare exact model numbers, quantities, usable battery kWh and warranty terms, not just the total price. - Make sure the rebate is shown as a line item you can check with the [battery rebate calculator](https://solaranswers.com.au/calculators/battery-rebate). - Ask about switchboard upgrades and extras upfront, and tie the final payment to a finished, working system. - Confirm an SAA-accredited installer, approved products and whether the business is a NETCC signatory. ### How many solar or battery quotes should I get? Aim for at least two, and ideally three, written quotes from businesses that have checked your roof and switchboard. More than that can get hard to compare, but a single quote gives you nothing to measure it against. ### Why do two quotes for the same size system have such different prices? The gap usually comes from different products, different installation scope, or extras such as a switchboard upgrade being left out of one quote. Ask each business to list every product by model number and every inclusion, then compare line by line. ### Should the rebate be taken off the price or paid to me later? Usually the installer takes the value of the federal certificates off your price upfront. Either way, the quote should show the number of certificates, the value used for each one and the price before and after, so you can check it. ### Is the cheapest quote the one to pick? Not automatically. Pick the quote that best fits your home once products, warranties, inclusions and payment terms are equal. A low price that leaves out work or uses a vague product description can cost more later. Sources: - [DCCEEW, Cheaper Home Batteries Program](https://www.dcceew.gov.au/energy/programs/cheaper-home-batteries) (checked 2026-09-23) - [ACCC, New Energy Tech Consumer Code authorisation (AA1000702)](https://www.accc.gov.au/public-registers/authorisations-and-notifications-registers/authorisations-register/new-energy-tech-consumer-code-0) (checked 2026-09-23) - [ACCC, Misleading and high pressure unsolicited sales practices widespread (28 Jul 2026)](https://www.accc.gov.au/media-release/misleading-and-high-pressure-unsolicited-sales-practices-widespread) (checked 2026-09-23) - [Clean Energy Regulator, New solar battery photo requirements now in place](https://cer.gov.au/news-and-media/news/2026/march/new-solar-battery-photo-requirements-now-place) (checked 2026-09-23) ## Is a home battery worth it in 2026? URL: https://solaranswers.com.au/guides/is-a-home-battery-worth-it Updated: 2026-09-23 A battery can make sense if you use power in the evening, get a low feed-in tariff and qualify for the rebate. Here is how to judge it for your own home. A home battery can be worth it if you use a fair amount of power in the evening, have spare solar during the day, get a low feed-in tariff and can claim a good share of the federal rebate. It's less likely to stack up if you use most of your power while the sun is shining, have little solar to spare, or are being sold a battery much bigger than you need. It depends on your own usage, tariff and quote, so run the numbers for your home. ## How a battery saves you money Without a battery, the solar power you don't use straight away goes to the grid, and your retailer pays you a feed-in tariff for it. A feed-in tariff is the rate, in cents per kWh, you're paid for exported solar. In the evening you then buy power back at the retail rate. A battery stores some of that spare solar so you can use it later instead of buying from the grid. Each kWh you shift is worth roughly the gap between your retail rate and your feed-in tariff, less some energy lost in storing it. ### The gap between feed-in and retail rates The bigger the gap, the more each stored kWh is worth. The regulated default offers that started on 1 July 2026 give a sense of retail rates in each area: the AER's default market offer (DMO), which is now a maximum price, and Victoria's default offer (VDO). Both include GST. Your own rate may be lower, and time-of-use plans charge different rates at different times of day. | Area (network) | Default offer flat usage rate | Solar feed-in reference for 2026-27 | |---|---|---| | NSW (Ausgrid) | 33.14 c/kWh | IPART benchmark 3.4 to 6.5 c/kWh | | NSW (Endeavour) | 33.73 c/kWh | IPART benchmark 3.4 to 6.5 c/kWh | | NSW (Essential) | 35.01 c/kWh | IPART benchmark 3.4 to 6.5 c/kWh | | South-east Qld (Energex) | 27.97 c/kWh | Check your retailer's rate | | SA (SAPN) | 41.91 c/kWh | Check your retailer's rate | | Vic (CitiPower) | 25.96 c/kWh | Retailer sets it, no regulated minimum | | Vic (AusNet) | 31.98 c/kWh | Retailer sets it, no regulated minimum | As an illustration, in the Ausgrid area a flat rate of about 33.1 c against a feed-in tariff of 3.4 to 6.5 c is a gap of roughly 27 to 30 cents for every kWh you store and use at night instead of exporting. The IPART benchmark is a guide only, and retailers don't have to follow it, so use the figures on your own bill. Elsewhere, feed-in rates differ. Tasmania's regulated minimum is 9.276 c/kWh for 2026-27, and regional Queensland's regulated rate is 6.006 c/kWh. In the Perth and south-west grid, the government-owned retailer pays homes 10 c from 3pm to 9pm and 2 c at other times. In the NT, the government-owned retailer pays 9.33 c at any time, or 18.66 c from 3pm to 9pm for homes with a smart meter. Where evening exports pay more, a battery may also earn by exporting then, depending on how it's set up. See [solar feed-in tariffs](https://solaranswers.com.au/guides/solar-feed-in-tariffs) for more. New tariffs may change the maths too. The default market offer now includes an opt-in Solar Sharer plan with three free midday hours for homes with a smart meter in NSW, south-east Queensland and SA. Ask how any plan you're considering would work with a battery. ### How much you use in the evening A battery only saves money when you use what it stores. Check your usage data from your retailer or smart meter app. If you cook, run heating or cooling, or charge an electric car in the evening or overnight, a battery has more to do. If your home is empty in the evening, less so. You also need spare solar to fill it. If your panels barely cover your daytime use, a bigger solar system may be a better first step. Our guides on [battery size](https://solaranswers.com.au/guides/what-size-battery-do-i-need) and [solar system size](https://solaranswers.com.au/guides/what-size-solar-system-do-i-need) can help. ## How much the rebate takes off The federal Cheaper Home Batteries Program gives a discount through small-scale technology certificates (STCs). The number of STCs depends on the battery's usable capacity and a factor that steps down over time: 6.8 for batteries installed from May to December 2026 and 5.7 from 1 January 2027. The rate is set by the date on your certificate of electrical compliance, not when you sign. The discount also tapers as batteries get bigger. The first 14 kWh of usable capacity earns the full rate, capacity from 14 to 28 kWh earns 60%, and capacity from 28 to 50 kWh earns 15%. Capacity above 50 kWh earns nothing extra. Two examples at the current factor, valuing STCs at $37 to $40 each: - **10 kWh usable:** 68 STCs, roughly $2,520 to $2,720 off. - **20 kWh usable:** about 119 STCs, roughly $4,400 to $4,760 off. Twice the capacity brings well under twice the rebate. To qualify, the battery and inverter must be on the Clean Energy Council approved list and an SAA-accredited installer must be on site. Try the [battery rebate calculator](https://solaranswers.com.au/calculators/battery-rebate) for your size, and read [how the federal battery rebate works](https://solaranswers.com.au/guides/how-the-federal-battery-rebate-works) for the detail. Some states add their own incentives, and others have closed theirs. NSW has an incentive for connecting a battery to a virtual power plant, and WA has a battery rebate that requires joining one, plus no-interest loans. Check [rebates in your state](https://solaranswers.com.au/rebates), including [NSW](https://solaranswers.com.au/rebates/nsw) and [WA](https://solaranswers.com.au/rebates/wa). ## Other things that affect the value ### Backup in a blackout Some batteries can keep selected circuits running during an outage, but only if backup is designed into the setup. It's hard to put a dollar value on, but it may matter if outages are common where you live or you rely on powered equipment at home. Read [will a battery work in a blackout](https://solaranswers.com.au/guides/will-a-battery-work-in-a-blackout) before you get quotes. ### Virtual power plant income, as an extra A virtual power plant (VPP) lets a retailer or provider use your battery at certain times to support the grid, in return for credits or payments. It can add value, and some state incentives depend on it. But the provider controls part of your battery, and terms can change. Treat any VPP income as a bonus, not the reason to buy. See [virtual power plants explained](https://solaranswers.com.au/guides/virtual-power-plants-explained). ### Warranty and wear Batteries slowly lose capacity as they age and cycle. Warranties are often set by a number of years, sometimes with a limit on total energy cycled, and a minimum capacity the battery should keep. Read the warranty document itself, and ask whether joining a VPP or where the battery is mounted affects it. ## Who a battery tends to suit - homes with solar that export a lot during the day and use a lot in the evening - households on a low feed-in tariff with a big gap to their retail rate - people who want backup and are willing to pay for it to be set up properly - homes that can use a state incentive or VPP arrangement that suits them ## Who might want to wait - homes with little spare solar, where more panels may help first - households that use most of their power during the day - anyone being offered a battery much bigger than their evening use, since extra capacity earns less rebate and may sit unused - anyone feeling rushed by a seller (see [sales tactics to walk away from](https://solaranswers.com.au/guides/sales-tactics-to-walk-away-from)) ## How to work it out for your home 1. Get your usage data from your retailer or smart meter, ideally for a full year. 2. Note your retail rate and feed-in tariff from your bill. 3. Estimate how much stored solar you'd actually use each evening. 4. Check the rebate with the [battery rebate calculator](https://solaranswers.com.au/calculators/battery-rebate) and try the [solar payback calculator](https://solaranswers.com.au/calculators/solar-payback). 5. Get written quotes and compare them properly with our [guide to comparing quotes](https://solaranswers.com.au/guides/how-to-compare-solar-quotes), or [request quotes](https://solaranswers.com.au/get-quotes). ## The short version - A battery is worth more when your evening use is high and the gap between your retail rate and feed-in tariff is wide. - The federal rebate is based on usable capacity, tapers above 14 kWh, and steps down from 1 January 2027. - Backup and VPP income can add value, but check the details before counting on them. - Size the battery to your evening use, not to the biggest rebate. - Run your own numbers before you buy. ### Do I need solar panels to benefit from a home battery? Most of the value comes from storing spare solar for use later, so a battery usually makes most sense alongside a solar system with power to spare. Without solar, any benefit depends on your tariff and how the battery is set up to charge. ### Is a bigger battery always better value? No. The federal rebate pays less per kWh above 14 kWh of usable capacity, and a battery you rarely fill or empty adds cost without adding much value. Size it to your evening use and spare solar. ### Should I join a virtual power plant to make a battery pay? Treat it as an optional extra. Some programs pay credits or are required for certain state incentives, but terms vary and can change. Check how the program uses your battery and whether it affects the warranty. ### Should I wait for battery prices to fall? Nobody can reliably predict prices. What is known is that the federal battery factor steps down on set dates, starting 1 January 2027. Weigh that against whether a battery suits your home now. Sources: - [DCCEEW, Cheaper Home Batteries Program](https://www.dcceew.gov.au/energy/programs/cheaper-home-batteries) (checked 2026-09-23) - [AER, Default market offer 2026-27](https://www.aer.gov.au/industry/registers/resources/reviews/default-market-offer-2026-27) (checked 2026-09-23) - [Essential Services Commission, Victorian Default Offer](https://www.esc.vic.gov.au/electricity-and-gas/prices-tariffs-and-benchmarks/victorian-default-offer) (checked 2026-09-23) - [IPART, Solar feed-in tariff benchmarks for 2024-25 to 2026-27](https://www.ipart.nsw.gov.au/review/energy/solar-feed-tariff-benchmarks-2024-25-2026-27) (checked 2026-09-23) ## Questions to ask a solar or battery installer URL: https://solaranswers.com.au/guides/questions-to-ask-a-solar-installer Updated: 2026-09-23 The questions worth asking before you sign, grouped by the company, the system, install day, rebates and paperwork, and warranty, with why each one matters. Before you sign with a solar or battery installer, ask about five things: who the business is, exactly what they're proposing, what happens on installation day, how the rebate and paperwork will be handled, and what support you'll get afterwards. Clear, specific answers you can get in writing are a good sign. Vague answers, or pressure to skip the questions, are not. Ask every installer the same questions so you can compare their answers side by side. Our guide to [comparing solar and battery quotes](https://solaranswers.com.au/guides/how-to-compare-solar-quotes) has a checklist you can use alongside this list. ## About the company **Who will actually do the installation?** Some businesses install with their own staff. Others sell the system and send a subcontractor. Both can work, but you should know who'll be on your roof and who's responsible if something goes wrong. **How long have you been installing in my area?** Local experience matters. Installers who know your electricity network, common roof types and local council or strata rules are less likely to hit surprises. **Are you a signatory to the New Energy Tech Consumer Code?** The New Energy Tech Consumer Code (NETCC) is a voluntary code of conduct covering sales, quotes, contracts, installation and warranties. The ACCC approved an updated version on 28 August 2026, valid until 19 September 2031. Signatories must take responsibility for third parties that do their marketing, so a signatory is answerable for how it gets leads. **How did you get my details?** If someone contacts you out of the blue, ask. An ACCC review released on 28 July 2026 found consumer details from comparison websites and online quote forms being sold on through data brokers. It also found that if you weren't clearly told your details were for a sales contact, a later sale can still count as unsolicited. Unsolicited sales come with extra consumer protections. See [sales tactics to walk away from](https://solaranswers.com.au/guides/sales-tactics-to-walk-away-from) for more. ## About the system **What are the exact brands, models and quantities?** You need model numbers for the panels, inverter and battery to compare quotes, check warranties and confirm the products are on the Clean Energy Council approved list. For the federal battery rebate, the battery and inverter must be on that list. **Why did you choose this size for my home?** A good answer refers to your actual electricity use, ideally from your bills or smart meter data, as well as your roof space. Our guides on [solar system size](https://solaranswers.com.au/guides/what-size-solar-system-do-i-need) and [battery size](https://solaranswers.com.au/guides/what-size-battery-do-i-need) explain what to look for. **What is the battery's usable capacity?** Usable capacity, in kWh, is the energy you can actually draw from the battery. It's also the figure the federal rebate is based on, so it should be written on the quote. **Will the battery keep my power on in a blackout, and which circuits?** Not every battery setup provides backup. Some need extra equipment, and backup may only cover certain circuits. Ask exactly what will and won't work during an outage. Read [will a battery work in a blackout](https://solaranswers.com.au/guides/will-a-battery-work-in-a-blackout) first. **Will it work with my existing solar system?** If you already have panels, ask whether the new equipment is compatible and whether anything existing will be replaced. **Can the battery join a virtual power plant later if I want?** A virtual power plant (VPP) is a program where a retailer or other provider manages your battery at certain times in return for payments or credits. Some state incentives are linked to VPPs, so ask whether the battery is compatible and whether joining would affect the warranty. See [virtual power plants explained](https://solaranswers.com.au/guides/virtual-power-plants-explained). ## About the installation day **Who is the accredited installer, and will they be on site?** A Solar Accreditation Australia (SAA) accredited installer must be on site for a battery to qualify for the federal rebate. Ask for their name and accreditation number so you can check them with SAA. **Have you checked my switchboard, and what happens if it needs work?** Older switchboards sometimes need an upgrade before new equipment can be connected. Ask whether that's been checked and included, and ask the business to agree in writing that it won't charge for extra work without your approval. **Where will the battery and inverter go?** Location affects safety, access and how the equipment copes with heat and weather. Make sure you're happy with the spot before installation day, not on it. **Will my power be off, and for how long?** Knowing this helps you plan around fridges, medical equipment or working from home. **Will you show me how the system works before you leave?** Ask for a walkthrough of the app, the isolation switches and what to do if something shows an error. ## About rebates and paperwork **How many STCs does my system create, and what value have you used?** Small-scale technology certificates (STCs) are how the federal rebate works for both solar panels and batteries. The quote should show the number of STCs, the value per STC and the price before and after. You can check it with our [battery rebate calculator](https://solaranswers.com.au/calculators/battery-rebate). For background, read [how the federal battery rebate works](https://solaranswers.com.au/guides/how-the-federal-battery-rebate-works). **What happens to the rebate if the installation date slips?** The battery rebate rate is set by the date on your certificate of electrical compliance, not the date you sign. The factor used to calculate battery STCs is 6.8 until the end of 2026 and drops to 5.7 from 1 January 2027. If your install could land in January, ask who covers any difference. **Will you take geotagged photos of the battery labels?** Since 1 March 2026, the Clean Energy Regulator has required battery installers to take geotagged, time-stamped photos of critical labels for every battery installation, on top of the existing on-site installer photos. The regulator checks these with an AI tool, and missing photos can delay or stop the rebate claim. Ask the installer to confirm they'll take them, and who is responsible if the claim is rejected. **Who handles the network connection and any meter change?** Your electricity network may need to approve the connection, and you may need a new meter. Ask who applies, who pays any fees and how long it usually takes. **Can you help with state or territory programs?** Some states and territories offer extra incentives or loans, and some programs have closed. Check what applies where you live on our [rebates page](https://solaranswers.com.au/rebates), then ask whether the installer can handle the application. **What documents will I get when the job is finished?** Expect your certificate of electrical compliance, warranty documents, product manuals and a copy of any rebate paperwork you signed. Don't sign anything saying the job is complete until it is. ## About after-sales service and warranty **What does your workmanship warranty cover, and for how long?** Product warranties cover the equipment. The workmanship warranty covers the installation itself, which can include problems like roof leaks or faulty wiring caused by the work. **If a product fails, who do I call?** Ask whether the installer handles warranty claims with the manufacturer or whether you'll deal with the manufacturer directly. **What does the battery warranty say about capacity over time?** Batteries slowly lose some capacity as they age. The warranty often sets a minimum capacity the battery should keep over a period, and may have conditions about how it's used. Ask for the warranty document, not a summary. **Who monitors the system, and how will I know if something's wrong?** Ask whether monitoring is included and whether the installer is alerted to faults, or whether it's up to you to notice. **What's your complaints process?** Ask how complaints are handled and how quickly. The ACCC has noted the NETCC still lacks external dispute resolution, so it helps to know that your state or territory fair trading office is another place to go. ## The short version - Ask every installer the same questions and get the important answers in writing. - Check who will install, their SAA accreditation, and whether the business is a NETCC signatory. - Get exact model numbers, usable battery capacity and backup details on the quote. - Confirm the installer will take the geotagged battery label photos needed for the rebate claim. - Know your warranties and who to call before you sign, not after. ### Should I get the installer's answers in writing? Yes. Ask for the key answers, such as product models, backup circuits, extras and warranty terms, to be written into the quote or confirmed by email. It makes comparing quotes easier and gives you a record if something goes wrong. ### What should I do if an installer won't answer my questions? Treat it as a warning sign. A business that avoids basic questions about products, accreditation or paperwork before you sign may be harder to deal with after the job is done. ### Do I need to be home on installation day? It helps. Being there lets you check the installer's identity, confirm where equipment will go and get a walkthrough of the system before they leave. Ask the business what they need from you on the day. Sources: - [Clean Energy Regulator, New solar battery photo requirements now in place](https://cer.gov.au/news-and-media/news/2026/march/new-solar-battery-photo-requirements-now-place) (checked 2026-09-23) - [DCCEEW, Cheaper Home Batteries Program](https://www.dcceew.gov.au/energy/programs/cheaper-home-batteries) (checked 2026-09-23) - [ACCC, New Energy Tech Consumer Code authorisation (AA1000702)](https://www.accc.gov.au/public-registers/authorisations-and-notifications-registers/authorisations-register/new-energy-tech-consumer-code-0) (checked 2026-09-23) - [ACCC, Misleading and high pressure unsolicited sales practices widespread (28 Jul 2026)](https://www.accc.gov.au/media-release/misleading-and-high-pressure-unsolicited-sales-practices-widespread) (checked 2026-09-23) ## Solar and battery sales tactics to walk away from URL: https://solaranswers.com.au/guides/sales-tactics-to-walk-away-from Updated: 2026-09-23 Rushed deadlines, today-only prices, vague free offers and claims the government sent them are signs to walk away. Here is how to check, and how to report it. Walk away from any solar or battery seller who rushes you, won't put exact products and prices in writing, asks for a large deposit upfront, or suggests they've been sent by the government. A business with a good offer will give you time to compare. Pressure is often a sign the deal wouldn't survive a side-by-side look. ## Tactics that should make you stop ### "The rebate ends tomorrow" This one is tricky, because there's a grain of truth in it. The federal battery rebate does step down on set dates. The factor used to calculate battery certificates is 6.8 until the end of 2026, then drops to 5.7 from 1 January 2027, with further steps after that. What a seller may not tell you is that the rate is set by the date on your certificate of electrical compliance, which is issued after the installation. Signing a contract today doesn't lock in today's rate if the job isn't finished until January. It also helps to know the size of the change. For a battery with 10 kWh usable capacity, the step down means 57 certificates instead of 68. At $37 to $40 per certificate, that's a difference of roughly $410 to $440. That's real money, but it's rarely a reason to skip getting a second quote. Our [battery rebate calculator](https://solaranswers.com.au/calculators/battery-rebate) can estimate the numbers for your size. **How to check a deadline yourself:** go to the Cheaper Home Batteries page on the website of DCCEEW (the federal Department of Climate Change, Energy, the Environment and Water) and read the dates there. For state programs, check our [rebates page](https://solaranswers.com.au/rebates). Some state programs have genuinely closed, such as Queensland's Battery Booster and the NSW battery install discount, so a seller promising one of those should raise questions. ### "This price is only good for today" A fair price rarely disappears overnight. A today-only deal is designed to stop you comparing. Ask for the quote in writing with an expiry date that gives you time to think, and take it. ### Door knocking and cold calls An unsolicited sale is one where a seller approaches you at your door or by phone without you asking. The ACCC's 2026 review found high pressure selling was widespread in these sales. You don't have to let anyone in, and you can ask them to leave. If you're interested, ask for a written quote and a business name, then check the business yourself before you agree to anything. ### Vague "free" offers Offers of a "free battery" or "free solar" often mean the cost is covered somewhere else: in a higher system price, a finance contract, a long agreement, or by describing the federal rebate as free. Ask what you'll pay in total, including any finance, fees and contract terms. ### Quotes without model numbers "Tier one panels" and "a premium lithium battery" are not product descriptions. Without the brand and model, you can't compare the quote, check the warranty or confirm the products are on the Clean Energy Council approved list, which the battery and inverter must be for the federal rebate. Our [guide to comparing quotes](https://solaranswers.com.au/guides/how-to-compare-solar-quotes) shows what a clear quote includes. ### Large deposits Be wary of paying a large share of the price well before an installation date is set. Try to tie the final payment to a system that's installed, switched on, working and signed off. Don't sign anything saying the job is complete before it is. In 2026 the Clean Energy Regulator took action over false "complete" statements made by solar retailers. ### "The government sent us" Government programs are delivered through private businesses that meet the program rules. A seller who implies they work for the government, or have been sent by it, is using that trust to lower your guard. If in doubt, find the official program page yourself rather than using a phone number or link the seller gives you. ### Other warning signs - refusing to leave a written quote - pushing you to sign on a tablet on the spot - talking down every other quote you mention - avoiding questions about who will actually install the system A list of good questions to ask is in [questions to ask a solar or battery installer](https://solaranswers.com.au/guides/questions-to-ask-a-solar-installer). ## What the ACCC found in 2026 The ACCC, Australia's national consumer regulator, released two reports this year and approved an updated industry code. All three matter if you're buying solar or a battery. **Unsolicited selling and lead generation (28 July 2026).** The ACCC found misleading and high pressure unsolicited sales practices were widespread. It found consumer details collected through price comparison websites and online quote forms were being sold on through data brokers. It also said that unless it's made clear your details are being collected to generate a sales contact, a sale that follows is still unsolicited. The ACCC has proposed an opt-in model to replace the current 10-day cooling-off period, higher penalties, and clearly bringing lead generation into the rules. These are proposals, not law yet. **Home batteries (10 July 2026).** Consumer reports to the ACCC about home batteries and new energy services rose 107% on the year before. The ACCC recommended that a code of conduct be mandatory for sellers and installers in the federal battery program, and that ombudsman coverage be widened. These are recommendations only. **The New Energy Tech Consumer Code (28 August 2026).** The ACCC approved an updated version of this industry code. Businesses that sign it must take responsibility for third parties doing their marketing, including lead sellers. If you found an installer through a quote website, including this one, it's fair to ask how the site is paid and who your details go to. Ours is explained at [how we make money](https://solaranswers.com.au/how-we-make-money). ## Your rights, in general terms - **Unsolicited agreements have extra protections.** If you sign after a door-to-door visit or a phone call you didn't ask for, you generally get a cooling-off period, and sellers must follow rules about when they can call or visit, leaving when asked, and taking payment. The ACCC's review refers to the current cooling-off period as 10 days. Check the ACCC website for how the days are counted and how the rules apply to you. - **Businesses must not mislead you.** That includes claims about price, products, savings, deadlines and government programs. - **Get it in writing.** A written quote and contract give you something to rely on if there's a dispute. For the details, go to the ACCC website or your state or territory fair trading or consumer affairs office (for example NSW Fair Trading or Consumer Affairs Victoria). ## How to report a seller 1. **Write it down.** Note the business name, the seller's name, the date and time, and what was said. Keep flyers, texts, emails and quotes. 2. **Contact the business in writing** if you want to cancel or complain, and keep a copy. 3. **Report it to the ACCC** through its website. 4. **Contact your state or territory fair trading office**, which may be able to help with an individual dispute. 5. **If the business signs the New Energy Tech Consumer Code**, raise it with the code's administrator as well. The ACCC notes the code has no external dispute resolution, so fair trading is still your main route for a dispute. ## The short version - Pressure, today-only prices and vague "free" offers are reasons to slow down, not speed up. - The battery rebate does step down on 1 January 2027, but the rate depends on your installation's compliance certificate date. Check it on the DCCEEW website yourself. - Never accept a quote without model numbers, and avoid large upfront deposits. - If you're approached at the door or by phone, you have extra protections, including a cooling-off period. - Report misleading or pushy sellers to the ACCC and your state fair trading office. ### Is it true the battery rebate is about to drop? The federal battery factor does step down on set dates, with the next change on 1 January 2027. The rate depends on the date of your certificate of electrical compliance after installation, so signing today does not lock it in. Check the dates on the DCCEEW website yourself. ### Can I ask a door-to-door seller to leave? Yes. Unsolicited sellers have to follow extra rules, including leaving when asked. The ACCC website explains the rules for door-to-door and phone sales in plain terms. ### I signed after a cold call and now regret it. What can I do? Unsolicited agreements generally come with a cooling-off period and other protections. Contact the business in writing straight away, keep copies, and check the ACCC or your state fair trading office for how the rules apply to you. ### Who do I report a pushy or misleading solar seller to? You can report it to the ACCC and to your state or territory fair trading or consumer affairs office. If the business signs the New Energy Tech Consumer Code, you can also raise it with the code's administrator. Sources: - [ACCC, Misleading and high pressure unsolicited sales practices widespread (28 Jul 2026)](https://www.accc.gov.au/media-release/misleading-and-high-pressure-unsolicited-sales-practices-widespread) (checked 2026-09-23) - [ACCC, Growing home battery uptake delivering lower electricity bills, but consumer protections needed (10 Jul 2026)](https://www.accc.gov.au/media-release/growing-home-battery-uptake-delivering-lower-electricity-bills-but-consumer-protections-needed) (checked 2026-09-23) - [ACCC, New Energy Tech Consumer Code authorisation (AA1000702)](https://www.accc.gov.au/public-registers/authorisations-and-notifications-registers/authorisations-register/new-energy-tech-consumer-code-0) (checked 2026-09-23) - [DCCEEW, Cheaper Home Batteries Program](https://www.dcceew.gov.au/energy/programs/cheaper-home-batteries) (checked 2026-09-23) ## Solar feed-in tariffs in 2026: what you will be paid URL: https://solaranswers.com.au/guides/solar-feed-in-tariffs Updated: 2026-09-23 What you may be paid for exported solar in 2026-27, state by state, plus time-of-use rates, the new Solar Sharer Offer and why using your own solar matters more. In 2026-27, most households will be paid a few cents for each kilowatt hour (kWh) of solar they send to the grid. Where rates are regulated or benchmarked, they range from 2 c to just over 9 c per kWh for most of the day, with higher rates in WA and the NT for exports between 3pm and 9pm. That is far less than you pay to buy power, so using your solar yourself is usually worth more than selling it. ## What a feed-in tariff is A feed-in tariff (FiT) is what your electricity retailer pays you for solar power you don't use and instead send (export) to the grid. It shows up as a credit on your bill, in cents per kWh. Your meter records exports separately from the power you buy. You only earn a FiT on exports. Solar you use in your home as it is generated never reaches the grid, so it earns no FiT. Instead, it saves you buying that power at the full retail price, which is usually the bigger benefit. ## Why rates have fallen The first state solar schemes paid generous fixed rates to get rooftop solar started. Those schemes have closed to new customers. Today, FiTs are mostly based on what exported solar is worth in the wholesale electricity market at the times it is exported. On sunny days, a huge number of rooftop systems export at the same time, so midday wholesale prices are often very low. That pulls down the value of exports. In NSW, for example, the pricing regulator IPART lowered its all-day benchmark from 4.8 to 7.3 c/kWh in 2025-26 to 3.4 to 6.5 c/kWh for 2026-27. ## Feed-in tariffs by state for 2026-27 | State | 2026-27 rate | Who sets it | |---|---|---| | NSW | Benchmark of 3.4 to 6.5 c/kWh (all day) | IPART publishes a guide only. Retailers set their own rates and don't have to follow it | | VIC | Retailer-set | No regulated minimum since 1 July 2025. Rates can't be below 0 c | | QLD (regional, Ergon Energy area) | 6.006 c/kWh | Queensland Competition Authority, from 1 July 2026 (down from 8.660 c) | | QLD (south-east) | Retailer-set | We found no regulated rate | | SA | Retailer-set | We found no regulated rate | | WA (Synergy) | 10 c/kWh from 3pm to 9pm, 2 c/kWh at other times | Synergy's Distributed Energy Buyback Scheme (DEBS), residential. Horizon Power customers should check Horizon's rates | | TAS | 9.276 c/kWh minimum | Office of the Tasmanian Economic Regulator. Retailers can pay more | | ACT | Retailer-set | We found no regulated rate | | NT (Jacana Energy) | 9.33 c/kWh anytime; Super FiT of 18.66 c/kWh from 3pm to 9pm | Jacana Energy. The Super FiT needs a smart meter | These are the published rates for 2026-27 (1 July 2026 to 30 June 2027). Where rates are retailer-set, offers vary and can change during the year, so check your own plan. ## Time-of-use feed-in tariffs Some FiTs pay different rates at different times of day. The idea is to reward exports when the grid needs power most, usually late afternoon and evening, when solar output drops and demand climbs. WA's Synergy and the NT's Jacana Energy both pay much more for exports between 3pm and 9pm, and some retailers in other states offer time-varying rates too. A time-of-use FiT can look attractive, but think about when your system actually exports: - North-facing panels export mostly around the middle of the day, when these rates are lowest. - West-facing panels produce more in the late afternoon, so they may earn a little more. - A battery can export stored solar in the evening, depending on its settings and your retailer's rules. You usually need a smart meter to be paid a time-varying FiT. ## The Solar Sharer Offer: free power in the middle of the day The Default Market Offer (DMO) is the maximum price the Australian Energy Regulator (AER) sets for default electricity plans in parts of NSW, south-east Queensland and South Australia. Victoria has its own default offer. The 2026-27 DMO, which started on 1 July 2026, includes a new Solar Sharer Offer. How it works: - You get three free hours of electricity in the middle of the day: 11am to 2pm in NSW and south-east Queensland, and 12pm to 3pm in South Australia. - Use above 24 kWh in that window is charged. - It is opt-in, and you need a smart meter. The AER describes it as a way for more households, including those without rooftop solar, to make use of plentiful midday solar. If you don't have panels, you may be able to shift washing, hot water or EV charging into the free window. If you already have solar, your panels may already cover much of your use during those hours, so compare the plan's other rates with your current plan before switching. The offer also sends a clear signal: midday electricity is now so plentiful that some of it is being given away. That is the same reason midday exports earn so little. ## Why using your solar matters more than the FiT Compare what you are paid with what you pay. Under the 2026-27 DMO, the maximum flat usage rate in the Ausgrid network area of NSW is about 33.1 c/kWh including GST. IPART's benchmark for exported solar in NSW is 3.4 to 6.5 c/kWh. So each kWh of solar you use yourself, instead of exporting it, avoids buying power that can cost several times what the export would earn. Market offers may have lower usage rates than the DMO, but the gap is usually still large. Ways to use more of your own solar: - Run the dishwasher, washing machine and dryer in the middle of the day, using delay-start timers if you are out. - Ask an electrician whether your hot water system can be set to heat during the day. - Pre-cool or pre-heat your home in the early afternoon. - Charge an electric vehicle at home while the sun is out. - Consider a battery to store surplus solar for the evening. See [is a home battery worth it?](https://solaranswers.com.au/guides/is-a-home-battery-worth-it) and the [battery rebate calculator](https://solaranswers.com.au/calculators/battery-rebate). Battery owners may also be able to join a [virtual power plant](https://solaranswers.com.au/guides/virtual-power-plants-explained), which may pay for power exported at busy times. If you are still choosing a system, sizing it around your own daytime use matters more than the FiT. Our guide on [what size solar system you need](https://solaranswers.com.au/guides/what-size-solar-system-do-i-need) explains how. ## How to compare retailer offers A high FiT doesn't make a plan the cheapest. A retailer can offset a generous FiT with higher usage or supply charges. When comparing offers: - **Look at the whole bill.** Estimate a year's cost using your own usage and export figures from past bills. - **Read the conditions.** Some FiTs apply only to the first few kWh exported each day, need a particular battery or smart meter, or change after an introductory period. - **Check the time windows.** For time-varying FiTs, work out how much you actually export in the higher-paying hours. - **Check your export limit.** If your network caps how much you can export, a high FiT is worth less to you. - **Use the government comparison sites.** Energy Made Easy (run by the AER) and Victorian Energy Compare (in Victoria) let you compare plans using your own data. - **Review each year.** Regulated rates and benchmarks are usually reset from 1 July, and retailers can change their rates too. To see how the FiT affects the value of a new system, try the [solar payback calculator](https://solaranswers.com.au/calculators/solar-payback). ## The short version - A FiT is the credit you get for solar you export. In 2026-27 it is a few cents per kWh in most places. - Rates have fallen because midday solar is plentiful and cheap in the wholesale market. - WA and the NT pay more for exports from 3pm to 9pm. Check whether you actually export then. - Using your own solar, or storing it in a battery, is usually worth far more than exporting it. - Compare whole plans, not just the FiT, and review your plan each year. ### Do I have to accept my retailer's feed-in tariff? No. You can switch to a retailer with a better overall plan. Tasmania and regional Queensland have regulated rates, but in most other places the rate is up to each retailer. ### Why is my feed-in tariff so much lower than what I pay for power? The price you pay for power also covers network, retail and other costs, while exported solar is valued mainly at wholesale prices at the time you export. Those prices are often low in the middle of the day because so much solar is being generated. ### Can a battery help me earn more from exports? It may. Some plans pay more for exports in the late afternoon and evening, and a battery can send stored solar to the grid then. The result depends on your battery settings, your plan's rules and any virtual power plant you join. ### Is the Solar Sharer Offer a good deal if I already have solar? It depends. It gives you free power for three hours around midday, when your panels may already cover much of your use. Compare its other rates with your current plan before you switch. Sources: - [IPART, Solar feed-in tariff benchmark for 2026-27 (fact sheet)](https://www.ipart.nsw.gov.au/sites/default/files/cm9_documents/Fact-Sheet-All-day-solar-feed-in-tariff-benchmark-tariff-2026-27.PDF) (checked 2026-05-25) - [Essential Services Commission (Victoria), Minimum feed-in tariff](https://www.esc.vic.gov.au/electricity-and-gas/electricity-and-gas-tariffs-and-benchmarks/minimum-feed-tariff) (checked 2026-09-23) - [Office of the Tasmanian Economic Regulator, Feed-in tariffs](https://www.economicregulator.tas.gov.au/electricity/pricing/feed-in-tariffs) (checked 2026-06-25) - [Australian Energy Regulator, Default market offer 2026-27 final determination](https://www.aer.gov.au/industry/registers/resources/reviews/default-market-offer-2026-27/final-determination) (checked 2026-05-26) ## The solar panel rebate (STCs) explained URL: https://solaranswers.com.au/guides/solar-rebate-stcs-explained Updated: 2026-09-23 How the federal solar panel rebate really works: what STCs are, how many your system earns, why the discount falls each year and how to check it on a quote. The solar panel "rebate" is not a cheque from the government. It is a discount that comes from small-scale technology certificates (STCs), which your system earns under a federal scheme and which your installer usually sells for you, taking the value off your price. For a typical 6.6 kW system installed in Sydney in 2026, the discount is worth about $1,670 to $1,800. ## What the scheme is The Small-scale Renewable Energy Scheme (SRES) is part of the federal Renewable Energy Target and is run by the Clean Energy Regulator (CER). It covers small systems such as rooftop solar panels, solar water heaters, heat pump water heaters and, under the Cheaper Home Batteries Program, home batteries. Each eligible system earns certificates when it is installed. One STC represents one megawatt hour (1,000 kWh) of renewable electricity. Electricity retailers and other large electricity buyers are required by law to buy and surrender a share of these certificates each year, and that demand is what gives them a market value. ## How many STCs a solar system earns The number depends on three things: 1. **System size.** The rated capacity of the panels, in kilowatts (kW). 2. **Where you live.** The CER divides Australia into four zones by postcode. Each zone has a rating for how much energy, in megawatt hours, one kW of panels is expected to produce each year. 3. **When it is installed.** The deeming period is the number of years of future generation you are credited for upfront. It is 5 years for systems installed in 2026 and 4 years for 2027. The formula is: **STCs = system size (kW) × zone rating × deeming years** Certificates come in whole numbers, so treat the figures in this guide as approximate. Your installer's calculation is the one that counts. ### Zone ratings and what they mean for a 6.6 kW system | Zone | Rating (MWh per kW) | Example places (by postcode) | 6.6 kW system installed in 2026 | |---|---|---|---| | 1 | 1.622 | Alice Springs, Port Hedland | about 53 STCs, $1,960 to $2,120 | | 2 | 1.536 | Darwin, Mount Isa, Broken Hill | about 50 STCs, $1,850 to $2,000 | | 3 | 1.382 | Sydney, Brisbane, Adelaide, Perth, Canberra | about 45 STCs, $1,670 to $1,800 | | 4 | 1.185 | Melbourne, Hobart | about 39 STCs, $1,440 to $1,560 | Zone ratings are from the CER's postcode table. Dollar values assume $37 to $40 per certificate. Zones follow postcode boundaries, so check yours in the CER table or ask your installer. ### A worked example Take a 6.6 kW system in Sydney (Zone 3), installed in 2026: 6.6 × 1.382 × 5 = 45.6, which gives about 45 STCs. At $37 to $40 each, that is about $1,670 to $1,800 off the price. ## Why the discount falls each year The deeming period drops by one year every January, down to one year for systems installed in 2030, as the scheme phases out. The same system therefore earns fewer certificates each year it is delayed. For the Sydney 6.6 kW example: - **2026:** about 45 STCs, $1,670 to $1,800 - **2027:** about 36 STCs, $1,330 to $1,440 - **2028:** about 27 STCs, $1,000 to $1,080 - **2029:** about 18 STCs, $670 to $720 - **2030:** about 9 STCs, $330 to $360 The later years use today's certificate prices, which can change, so treat them as a guide only. The drop is steady, not sudden, so it is not a reason to sign a rushed deal. What does matter is the install date. If your installation slips from December into January, your system earns fewer certificates. Ask your installer to say in writing who covers the difference if that happens. ## Who creates and sells the certificates As the owner of the system, you are entitled to create its STCs. The usual approach is to assign that right to your installer or retailer in return for a lower price at the point of sale. The installer then creates the certificates in the CER's online registry and sells them. Installers can sell certificates on the open market, where the price moves with supply and demand, or through the CER's STC Clearing House at a fixed $40 (excluding GST). We use a range of $37 to $40 per certificate to allow for open-market prices below the clearing house price. You can create and sell STCs yourself, but it takes registration, paperwork and time, and it is uncommon for households. For a system to earn STCs, it has to be installed by an accredited installer (Solar Accreditation Australia now handles installer accreditation) and use eligible panels and inverters. Ask your installer to confirm both before you sign. ## How to check the discount on your quote A good quote makes the STC discount easy to see. Check these points: - **System size.** The number of panels times the wattage of each panel should equal the stated size. For example, 15 panels of 440 W each make 6.6 kW. - **Number of STCs.** Run the formula above with your zone and the expected install year. The quote should be close. - **Value per certificate or total discount,** shown as a separate line. - **Price before and after the discount.** The amount you pay should be the after-discount figure. - **The assignment form.** You will usually be asked to sign a form assigning your STCs to the installer. Read it, and make sure the discount it shows matches your quote. If the STC discount is presented as a limited-time special, or the numbers don't add up, ask why. Every eligible system gets it. Our guides on [how to compare solar quotes](https://solaranswers.com.au/guides/how-to-compare-solar-quotes) and [sales tactics to walk away from](https://solaranswers.com.au/guides/sales-tactics-to-walk-away-from) have more on this. ## Batteries earn STCs too Home batteries earn STCs through the federal Cheaper Home Batteries Program. They use a separate formula based on the battery's usable capacity, and the number of certificates per kWh steps down over time, just as it does for solar. See [how the federal battery rebate works](https://solaranswers.com.au/guides/how-the-federal-battery-rebate-works), or estimate yours with the [battery rebate calculator](https://solaranswers.com.au/calculators/battery-rebate). ## State extras on top of STCs Some states and territories add their own help for solar panels. Eligibility rules apply and programs change, so check the details before you sign: - **Victoria.** Solar Victoria's Solar Homes Program offers a solar panel rebate of up to $1,400, plus an optional interest-free loan. You need to be an owner-occupier, with a combined household taxable income under $150,000 and a property valued under $3 million, and you must use an authorised retailer. The rebate is worked out after the STC discount, and you need approval before the system is installed. See [Victorian rebates](https://solaranswers.com.au/rebates/vic). - **Queensland.** Supercharged Solar for Renters offers rebates to eligible landlords who install solar on rental properties. See [Queensland rebates](https://solaranswers.com.au/rebates/qld). - **ACT.** The Home Energy Support program helps homeowners who hold an eligible concession card, such as a Pensioner Concession Card, DVA Gold Card or Health Care Card, with part of the cost of rooftop solar. Eligible households may also be able to get a zero-interest loan. See [ACT rebates](https://solaranswers.com.au/rebates/act). For other states and territories, start at our [rebates hub](https://solaranswers.com.au/rebates). ## The short version - The solar "rebate" is a discount from STCs, which your installer usually claims and sells for you. - STCs = system size (kW) × zone rating × deeming years. A 6.6 kW system in Sydney installed in 2026 earns about 45, worth about $1,670 to $1,800. - The deeming period falls by one year each January until 2030, so the discount shrinks. - Check your quote shows the number of STCs and the discount as separate lines. - Victoria, Queensland and the ACT have extra programs with their own eligibility rules. ### Is the federal solar rebate income tested? The STC discount has no income test. The number of certificates depends on your system's size, your postcode and the install year, and the system still has to meet the scheme's installer and equipment rules. ### Do I get the STC money as a cash payment? Usually not. Most people assign their certificates to the installer, who takes the value off the price. You can sell them yourself, but that means registering with the regulator and finding a buyer. ### What happens if my installation is delayed into the next year? A system installed in a later year earns fewer certificates, so the discount can shrink. Before you sign, ask the installer to confirm in writing who pays the difference if the install date slips. ### Can I get a state rebate as well as STCs? In some states, if you meet the state program's rules. Victoria's Solar Homes rebate, for example, is worked out after the STC discount. Check the program's conditions and get any approval before installation. Sources: - [Clean Energy Regulator, Calculate small-scale technology certificate entitlements](https://cer.gov.au/schemes/renewable-energy-target/small-scale-renewable-energy-scheme/small-scale-technology-certificates/calculate-small-scale-technology-certificate-entitlements) (checked 2026-09-18) - [Clean Energy Regulator, Postcode zone ratings and zones for solar (PV) systems](https://cer.gov.au/document/postcode-zone-ratings-and-zones-solar-panel-systems) (checked 2026-09-23) - [Clean Energy Regulator, Buy and sell small-scale technology certificates](https://cer.gov.au/schemes/renewable-energy-target/small-scale-renewable-energy-scheme/small-scale-technology-certificates/buy-and-sell-small-scale-technology-certificates) (checked 2026-09-14) - [Solar Victoria, Solar panel (PV) rebate](https://www.solar.vic.gov.au/solar-panel-rebate) (checked 2026-07-01) ## Virtual power plants explained: should you join one? URL: https://solaranswers.com.au/guides/virtual-power-plants-explained Updated: 2026-09-23 What a virtual power plant does with your home battery, what you give up and might get, the NSW and WA incentives, and the questions to ask before you sign. A virtual power plant (VPP) is an arrangement where a company can remotely control your home battery, along with many others, and use the stored energy to support the grid or sell into the electricity market. In return you may get bill credits, payments or access to a state incentive. Whether you should join depends on the terms of the offer and how much you value having full control of your battery. ## What a VPP actually does A single home battery is small. Thousands of them, controlled together, can act like one large power station. That is the "virtual" power plant. When you join, your battery stays in your home and keeps doing its normal job most of the time: storing your solar during the day and powering your home in the evening. The difference is that the VPP operator, usually an energy retailer or a battery company, can step in at certain times. For example, it might: - discharge your battery into the grid when demand or wholesale prices are high - charge your battery from the grid when power is cheap or plentiful - hold charge in reserve so it is ready for an expected event The operator does this through the battery's internet connection, so your battery needs to stay online. ### VPP-capable versus in a VPP These two phrases sound similar but mean different things. A **VPP-capable** battery has the hardware and software to be controlled by a VPP operator. Being **in a VPP** means you have signed a contract and handed over some control. For the federal Cheaper Home Batteries discount, a grid-connected battery must be VPP-capable. Joining a VPP is optional. If a seller tells you that you must sign up to their VPP to get the federal discount, that is not what the program requires. Ask them to show you where it says so. Our guide to [how the federal battery rebate works](https://solaranswers.com.au/guides/how-the-federal-battery-rebate-works) covers the full eligibility list. ## What you might get VPP offers vary a lot. Depending on the operator, you might be offered: - credits on your electricity bill - a payment each time your battery is used in an event - a sign-up bonus or a discount on the battery - a higher feed-in rate at certain times Some offers only apply if you also take the operator's electricity plan. That matters, because the rates on that plan may affect your bills more than the VPP credits do. ### State incentives that involve a VPP **New South Wales.** The NSW Peak Demand Reduction Scheme (PDRS) has a VPP incentive for households that connect a home battery to a VPP. The NSW Government lists it as available now with no current closing date. From 1 July 2026, batteries up to 50 kWh are eligible, and the incentive is based on up to 28 kWh of capacity. The separate NSW battery installation discount is no longer available. See our [NSW rebates page](https://solaranswers.com.au/rebates/nsw). **Western Australia.** The WA Residential Battery Scheme offers a rebate of up to $1,300 for Synergy customers or up to $3,800 for Horizon Power customers, and the rebate covers batteries with 5 to 10 kWh of usable capacity, so check how the scheme treats the size you are considering. Joining a VPP is mandatory, with a two-year agreement. You need to be a WA resident aged 18 or over, a Synergy or Horizon Power customer, with the battery installed on or after 1 July 2025. There is also a no-interest loan of $2,001 to $10,000 over 3 to 10 years for households with a gross income under $210,000. See our [WA rebates page](https://solaranswers.com.au/rebates/wa). **South Australia.** The Retailer Energy Productivity Scheme includes an activity for connecting a new or existing battery to an approved VPP. The government does not publish a fixed amount, as retailers and providers set their own incentives. Ask your retailer what they offer and whether it is currently available. See our [SA rebates page](https://solaranswers.com.au/rebates/sa). For other states, check the [rebates overview](https://solaranswers.com.au/rebates). Programs open and close, so confirm the details on the official page before you sign anything. ## What you give up The main trade-off is control. When the operator runs an event, energy you might have used yourself that evening may go to the grid instead. You could then end up buying more power from the grid later, depending on how the event is timed and how full your battery was. Other things to weigh: - **Minimum reserve.** You will probably want the battery to keep some charge for your own use or for a blackout. Find out what the operator guarantees to leave. - **Extra wear.** More charging and discharging adds to the battery's workload. Check whether VPP use affects your battery warranty. - **Being tied to a retailer.** If the VPP requires a particular electricity plan, you may be less free to shop around. - **Staying online.** The battery has to remain connected so the operator can control it. If backup during outages is your main reason for buying a battery, read [whether a battery works in a blackout](https://solaranswers.com.au/guides/will-a-battery-work-in-a-blackout) and ask how VPP events interact with your backup reserve. ## Questions to ask before you sign Get the answers in writing: - How many events per year can you run on my battery, and how much energy can you take each time? - What minimum charge will you always leave in my battery? Can I change it? - Can I opt out of individual events? - Exactly what will I be paid, how, and can the payment change during the contract? - Do I have to be on your electricity plan? What are its rates? - How long is the contract, what are the exit fees, and would I have to repay a bonus or incentive if I leave early? - Does VPP use affect my battery warranty? Who is responsible if the battery is damaged during an event? - What happens if I move house or sell the property? - What data do you collect from my system, and who do you share it with? Compare the whole package over the contract term. A larger sign-up bonus paired with a more expensive electricity plan may not leave you ahead. The [solar payback calculator](https://solaranswers.com.au/calculators/solar-payback) can help you think about how your own usage and tariff fit together. ## When a VPP may or may not suit you A VPP may suit you if: - you want a state incentive that requires one, such as in WA or NSW - your battery often has spare charge left by morning - the offer's electricity plan is competitive for your usage anyway - you are comfortable letting someone else decide when some of your stored energy is used A VPP may not suit you if: - blackout backup is your top priority - your battery barely covers your own evening use - the required plan costs you more than the VPP pays - the exit terms would lock you in for longer than you are comfortable with There is no single right answer. You can install a VPP-capable battery now and decide later, as long as you understand any state incentive rules that apply at installation. ## The short version - A VPP lets an operator control part of your battery's charging and discharging, usually in return for credits or payments. - You do not have to join a VPP for the federal discount, but a grid-connected battery must be VPP-capable. - The NSW PDRS incentive involves connecting to a VPP, and the WA Residential Battery Scheme makes joining one mandatory. - Ask about minimum reserve, exit terms, warranty effects and any required electricity plan before you sign. - Compare offers as a whole package, and [get quotes](https://solaranswers.com.au/get-quotes) that spell out the VPP terms clearly. ### Do I have to join a VPP to get the federal battery rebate? No. A grid-connected battery has to be capable of joining a virtual power plant to qualify for the federal discount, but signing up to one is your choice. Some state programs, such as the WA Residential Battery Scheme, do require you to join. ### Can I leave a virtual power plant? That depends on your contract. Check the contract length, any exit fees, and whether you would have to pay back a sign-up bonus or incentive if you leave early. ### Will a VPP drain my battery before a blackout? It can happen if an event runs shortly before an outage. Ask the operator what minimum charge they always leave in your battery and whether you can raise it if backup matters to you. ### How much do you get paid for joining a VPP? It depends on the operator and the offer. Payments may come as bill credits, per-event payments or a sign-up bonus, and some offers are tied to a particular electricity plan, so compare the whole package rather than the headline payment. Sources: - [DCCEEW, Cheaper Home Batteries Program](https://www.dcceew.gov.au/energy/programs/cheaper-home-batteries) (checked 2026-09-23) - [Energy NSW, Virtual power plant (VPP) incentive](https://www.energy.nsw.gov.au/households/grants-rebates/household-energy-saving-upgrades/virtual-power-plant-vpp-incentive) (checked 2026-09-23) - [WA Government, WA Residential Battery Scheme: information for applicants](https://www.wa.gov.au/government/wa-residential-battery-scheme-information-applicants) (checked 2026-09-23) ## What size home battery do you need? URL: https://solaranswers.com.au/guides/what-size-battery-do-i-need Updated: 2026-09-23 How to size a home battery from your evening and overnight use, what your solar can refill, and why the rebate taper means bigger is not always better value. The right battery size is usually the one that covers most of what you use between late afternoon and the next morning, and that your solar panels can refill on a typical day. Start from your own usage data, not a rule of thumb. Bigger is not automatically better, because a battery your panels cannot fill sits partly empty, and the federal discount shrinks per kilowatt-hour as batteries get larger. ## Usable versus nominal capacity Battery capacity is measured in kilowatt-hours (kWh), which is the amount of energy stored. A 1 kW appliance running for one hour uses 1 kWh. Most spec sheets show two figures: - **Nominal capacity** is the total energy the cells can hold. - **Usable capacity** is what you can actually draw on. Manufacturers usually hold some back to protect the cells, so it is normally lower. Always compare batteries by usable capacity, which is also what the federal discount is based on. Two quotes for a "13 kWh battery" can mean different things if one quotes nominal and the other usable. Usable capacity also fades with age, so ask what capacity the warranty promises by the end of its term. ## Start with your evening and overnight use A battery mostly earns its keep by storing solar energy you would otherwise export and using it when the sun has gone. So the key number is how much you use from the time your solar output drops in the late afternoon until it picks up again the next morning. ### Reading it from smart meter data If you have a smart meter, you can usually download interval data from your retailer's online account or app, or ask your retailer for it. This shows your grid use in short blocks, often every 30 minutes. To estimate your overnight need: 1. Pick a few ordinary days in different seasons. 2. Add up the grid use from late afternoon to early morning on each one. 3. Look at the typical night, not the worst one. Your solar is not producing after dark, so what you import overnight is close to what you actually use. Daytime figures understate your real use, because the meter only sees what your solar did not cover. Seasons matter. Winter evenings with heating and summer nights with air conditioning can look very different from a mild autumn night. A battery sized for your biggest winter night may sit partly unused for much of the year. ### Reading it from your bill Without interval data, your bill can still help. A time-of-use bill splits usage into peak, shoulder and off-peak periods, and the peak period usually includes the evening. A flat-rate bill only shows a total, so divide it by the number of days and treat the result as an upper limit, not an evening figure. ### Think about what is changing Size for the household you will have, not just the one you have now. An electric vehicle, a heat pump hot water system or a growing family can all change your evening use. It works the other way too: running the dishwasher, washing machine or hot water on a timer in the middle of the day uses your solar directly and can reduce the battery you need. ## Your solar decides what you can charge A battery only helps if it gets refilled. In a typical setup, your panels cover your daytime use first, then charge the battery, then export what is left. The Australian Government's YourHome site lists average yearly solar output by capital city. Sydney, for example, averages about 4.0 kWh per kW of panels per day, Melbourne about 3.6 and Brisbane about 4.2. So a 6.6 kW system in Sydney makes roughly 26 kWh on an average day across the year. Winter and cloudy days produce less. A useful shortcut is your current **exports**, shown on your bill or retailer app. That exported energy is roughly what is available to charge a battery, less some losses. If you export only a little in winter, a large battery is unlikely to fill in winter. If your solar is small or your daytime use is high, you may need more panels before a bigger battery makes sense. See [what size solar system you need](https://solaranswers.com.au/guides/what-size-solar-system-do-i-need) and how [feed-in tariffs](https://solaranswers.com.au/guides/solar-feed-in-tariffs) affect the value of exporting versus storing. Some plans offer cheap or free hours in the middle of the day, which may let a battery top up from the grid. Ask your installer to model this with your actual tariff. ## Why bigger is not always better value The federal Cheaper Home Batteries discount tapers as batteries get bigger. With a certificate of electrical compliance issued before the end of 2026 (STC factor 6.8), and before the total is rounded down: - each usable kWh up to 14 kWh earns 6.8 STCs - each usable kWh from 14 to 28 kWh earns about 4.1 STCs - each usable kWh from 28 to 50 kWh earns about 1 STC - nothing above 50 kWh usable earns certificates In dollar terms, a 14 kWh usable battery creates 95 STCs, worth about $3,520 to $3,800. Doubling it to 28 kWh creates 152 STCs, worth about $5,620 to $6,080. You get twice the capacity but well under twice the discount. The factor also steps down from 1 January 2027, which our [federal battery rebate guide](https://solaranswers.com.au/guides/how-the-federal-battery-rebate-works) explains. There is a usage side too. The last few kilowatt-hours of a big battery may only get used on your heaviest nights, so each of those kilowatt-hours does less work than the first few. Try the [battery rebate calculator](https://solaranswers.com.au/calculators/battery-rebate) with a few sizes, then weigh the extra discount against the extra price on your quote. ### Adding more later Some batteries are modular, so you can start smaller and add modules later. Check whether the same modules are likely to still be sold in a few years, and check the rebate rules: federal support is one-time per premises. An addition of at least 5 kWh can qualify only if the existing battery never received support. If you claim the discount on a small battery now, a later expansion is unlikely to get any federal help, so it pays to size carefully the first time. ## Backup needs change the maths If you want the battery to run parts of your home in a blackout, that affects sizing in two ways. Keeping a reserve of charge for outages leaves less for everyday savings. And the **power** rating (kW, how much it can supply at once) matters as much as capacity (kWh, how long it can supply it). See [whether a battery works in a blackout](https://solaranswers.com.au/guides/will-a-battery-work-in-a-blackout). If you plan to join a [virtual power plant](https://solaranswers.com.au/guides/virtual-power-plants-explained), ask what minimum reserve the operator keeps, as that affects how much capacity is really yours day to day. ## Single phase or three phase Many homes have single-phase power. Some, often larger homes or those with big loads such as ducted air conditioning, have three-phase power, which splits the supply across three separate phases. If you have three-phase power, ask your installer: - whether the battery and inverter are single-phase or three-phase - which phases the battery can supply, and what happens to loads on the other phases - whether backup covers one phase or all three - whether your network sets export limits that affect the design ## Questions to ask your installer - What is the usable capacity at installation, and what is it expected to be at the end of the warranty? - How did you work out the size? Did you use my interval data? - On a typical winter day, will my solar fill this battery? - What is the continuous power output in kW? - Can it be expanded later, and would an expansion get any discount? ## The short version - Size a battery from your late afternoon to morning usage, using smart meter data if you can get it. - Compare batteries by usable capacity, not nominal capacity. - Check your solar exports: capacity your panels cannot fill adds cost without adding much value. - The federal discount grows more slowly above 14 kWh and much more slowly above 28 kWh, so bigger is not always better value. - Backup plans, VPPs and three-phase power all affect the right size, so talk them through before you [get quotes](https://solaranswers.com.au/get-quotes). ### Is a 10 kWh battery enough for a family home? It depends on how much power your household uses after sunset and overnight, not on the number of people. Add up your evening and overnight usage from your smart meter data, then check whether your solar produces enough spare energy to refill that amount on a typical day. ### What is the difference between usable and nominal battery capacity? Nominal capacity is everything the battery cells can hold. Usable capacity is the amount you can actually draw on in everyday use, and it is the figure the federal discount is based on, so compare batteries by usable capacity. ### Can I add more battery capacity later? Some batteries are modular and can be expanded, but check that the extra modules will still be available. Federal support is one-time per premises, so if your first battery received the discount, a later addition is unlikely to qualify. ### Does a bigger battery get a bigger rebate? Yes, up to 50 kWh of usable capacity, but each extra kilowatt-hour earns less once you pass 14 kWh and much less past 28 kWh. The discount grows more slowly than the battery does. Sources: - [DCCEEW, Cheaper Home Batteries Program](https://www.dcceew.gov.au/energy/programs/cheaper-home-batteries) (checked 2026-09-23) - [YourHome (Australian Government), Rooftop solar](https://www.yourhome.gov.au/energy/rooftop-solar) (checked 2026-09-23) ## What size solar system do you need? URL: https://solaranswers.com.au/guides/what-size-solar-system-do-i-need Updated: 2026-09-23 How to size a home solar system from your bills, daytime use, roof and local sunshine, with average output per kW for each capital city. The right solar system for your home is the one sized to your electricity use, your roof and your plans, not the biggest one a salesperson can fit. Start with the yearly kWh figure from your bills, work out how much of it you use during the day, then check what your roof and local network will allow. If a battery or electric car is likely in the next few years, plan for it now. ## Start with your electricity bills Your bills are the best sizing tool you have. Look for your usage in kilowatt hours (kWh), the unit you are charged for. Most bills show your average daily use for the billing period. To get a yearly figure, either: - add up the usage on your last four quarterly bills (or 12 monthly bills), or - take the average daily use from bills across different seasons, average them, and multiply by 365. A full year matters because heating and cooling make use swing with the seasons, so one bill can mislead you. If you have a smart meter, your retailer may be able to give you interval data showing when in the day you use power. ## Daytime use versus evening use Solar panels produce most of their power in the middle of the day. Every kWh you use while the sun is up is one you don't buy from the grid. Anything you don't use is exported and earns a feed-in tariff, which is far lower than the price you pay for power. Our guide to [solar feed-in tariffs](https://solaranswers.com.au/guides/solar-feed-in-tariffs) has the current rates. That means two households with the same yearly usage can suit different systems: - **Home during the day** (working from home, retired, young kids): you can use more of your solar directly, so a system that roughly matches your yearly use is a sensible starting point. - **Out all day, with most use in the evening**: more of your solar will be exported for a low rate. Moving the dishwasher, washing machine and hot water into the middle of the day matters more for you, and a battery may be worth a look later. ## How much each kW produces where you live System size is quoted in kilowatts (kW), the combined rated output of the panels. What each kW produces depends mostly on where you live. The Australian Government's YourHome guide gives these yearly averages: | City | Average daily output per kW | Rough yearly output of a 6.6 kW system | |---|---|---| | Adelaide | 4.2 kWh | about 10,100 kWh | | Brisbane | 4.2 kWh | about 10,100 kWh | | Canberra | 4.3 kWh | about 10,400 kWh | | Darwin | 4.4 kWh | about 10,600 kWh | | Hobart | 3.5 kWh | about 8,400 kWh | | Melbourne | 3.6 kWh | about 8,700 kWh | | Perth | 4.4 kWh | about 10,600 kWh | | Sydney | 4.0 kWh | about 9,600 kWh | The last column is our own arithmetic (6.6 kW times the daily figure times 365, rounded). Output is higher in summer and lower in winter, and real results depend on panel direction, tilt, shading and equipment losses. Treat these as a starting point, not a promise. ### A worked example Say your bills show you use 16 kWh a day, or about 5,840 kWh a year. In Sydney, each kW of panels makes about 4.0 kWh a day, or about 1,460 kWh a year. A system of about 4 kW would produce roughly as much as you use over a year (5,840 divided by 1,460 is 4.0). In Melbourne, where each kW makes about 3.6 kWh a day, the same household would need closer to 4.4 kW to match its yearly use. Matching your yearly use on paper is not the same as covering your bills. You will make more than you need in summer and less in winter, and you will export power by day and buy it back at night. That is one reason to consider a system somewhat larger than the matching figure, especially if you expect your use to grow. Ask your installer what suits your pattern of use. ## Roof space, direction and shade Your roof sets the upper limit. The things that matter most: - **Usable area.** Panels need clear space away from roof edges, vents and skylights. A good installer will draw a panel layout on an image of your actual roof, so you can see how many fit. - **Direction.** North-facing panels produce the most energy over a day. East and west faces produce less in total but spread output into the morning and afternoon, which can suit some households. South-facing panels produce noticeably less. - **Tilt.** Most pitched roofs work well. Flat roofs may need tilt frames, which add cost. - **Shade.** Trees, chimneys, neighbouring buildings and even an antenna can cut output. Ask how the design allows for any shade on your roof. If your best roof face can't fit the size you want, panels can often be split across two faces, which may affect the inverter choice. ## Network export limits Your local network company (the distributor that owns the poles and wires, not your retailer) sets rules on how much power a home system can send to the grid. Depending on where you live, that might mean a fixed export limit, a limit that changes with conditions on the network, or an approval process before a larger system can be connected. Homes with single-phase power can face tighter limits than three-phase homes. An export limit doesn't always stop you installing more panels, but some output beyond what you use may be held back rather than exported. Your installer should apply to the network for you and tell you, in writing, what limits apply before you sign. ## Planning for a battery or EV later If you might add a home battery or an electric vehicle in the next few years, factor that in now: - **Batteries** charge from surplus solar during the day. If your system only just covers your daytime use, there may be little left over to charge a battery, especially in winter. Our guide on [what size battery you need](https://solaranswers.com.au/guides/what-size-battery-do-i-need) explains how to size one, and the [battery rebate calculator](https://solaranswers.com.au/calculators/battery-rebate) estimates the federal discount. - **Electric vehicles** can add a lot of daytime demand if the car is at home and charging while the sun is out. - **Adding panels later** is possible but can be awkward. Matching panels may no longer be sold, the inverter may have no spare capacity, and you pay for a second visit. ## Inverter sizing, briefly The inverter turns the direct current (DC) power from your panels into the alternating current (AC) power your home uses. It has its own rating in kW, which can be a little lower than the combined rating of the panels. Panels rarely produce their full rated output, so pairing a panel array with a slightly smaller inverter is common, within limits set by industry rules. A good installer will design inside those limits. Questions to ask: - What is the inverter's rating, and how does it compare with the panels? - Is it single-phase or three-phase, and does that suit your home and network? - Can it run a battery later (a hybrid inverter), or would a battery need its own inverter? Bigger systems also tend to cost less per watt. In the Solar Choice Price Index for 1 September 2026, the average 10 kW system in Sydney worked out at about $0.87 per watt, against about $0.95 for 6 kW. See [how much solar costs](https://solaranswers.com.au/guides/how-much-does-solar-cost), and test different sizes with the [solar payback calculator](https://solaranswers.com.au/calculators/solar-payback). ## The short version - Add up a year of kWh from your bills and note when in the day you use it. - Divide your yearly use by your city's yearly output per kW to find the size that matches your use on paper. - Check roof space, shading and your network's export rules with your installer before settling on a size. - If a battery or EV is likely, allow extra capacity and choose an inverter that can grow with you. - Get a few quotes with a panel layout drawn for your roof, then [compare them](https://solaranswers.com.au/guides/how-to-compare-solar-quotes). You can [request quotes here](https://solaranswers.com.au/get-quotes). ### Is a 6.6 kW system the right size for most homes? It is a common size, but it is not right for everyone. The best size depends on how much power you use, when you use it, your roof and your network's export rules, so work from your own bills rather than a standard package. ### Can I install more solar than my home uses? Often, within your network's rules and the limits on inverter sizing. Extra exports earn a feed-in tariff that is much lower than what you pay for grid power, so the benefit depends on how much of the output you can use yourself or store. ### Does the direction my roof faces change the size I need? It can. East and west-facing panels produce less over a day than north-facing ones, so you may need more of them to make the same amount of energy, although they can better match morning and afternoon use. ### Should I size up if I might buy an electric car? If the car will often be parked at home during the day, extra solar may help cover charging. Talk your likely driving and charging habits through with your installer before you decide. Sources: - [YourHome (Australian Government), Rooftop solar](https://www.yourhome.gov.au/energy/rooftop-solar) (checked 2026-09-23) - [Solar Choice Price Index, 1 September 2026](https://www.solarchoice.net.au/solar-panels/solar-power-system-prices) (checked 2026-09-01) ## Will a battery keep the lights on in a blackout? URL: https://solaranswers.com.au/guides/will-a-battery-work-in-a-blackout Updated: 2026-09-23 Why a home battery does not always work in a power cut, the difference between whole-home and essential-circuits backup, and what to ask your installer. Not automatically. A home battery only keeps power on in a blackout if the system has been designed and installed with a backup function, and even then it usually covers only the circuits your installer connects to it. If backup matters to you, say so at the quote stage, because it changes the hardware, the wiring and the price. ## Why a battery can go dark when the grid does Grid-connected solar and battery inverters are required to stop sending power to the grid when the grid goes down. This protects people working on the lines, who need to know a de-energised line will stay that way. It is often called anti-islanding protection. A standard grid-connected system meets this rule by simply switching off. Your panels stop, your battery stops, and your house goes dark along with the street, even if the battery is full. A backup-capable system does something different. When the grid fails, it disconnects your home (or part of it) from the network and then powers those circuits from the battery. Your home becomes a small, separate "island", safely cut off from the grid. That separation is the key piece of hardware, and it does not come with every battery. ## The main types of backup ### No backup Some systems are installed purely to store solar for use in the evening. They save you money day to day but do nothing in an outage. If a quote does not mention backup, assume this is what you are getting and ask. ### Emergency power outlet Some inverters offer a single dedicated power point that works during an outage. It might run a fridge, a phone charger or a modem. It is a limited option, but it can be enough for some households. ### Essential circuits backup This is a common approach. Your installer moves selected circuits onto a separate backup board so that only they run during an outage. Typical choices include lights, the fridge, some power points and your internet connection. High-draw appliances such as ovens, electric hot water or ducted air conditioning are often left off, because they would drain the battery quickly or exceed what the inverter can supply. You decide with your installer which circuits are included. Think about what you actually need during an outage, not what would be nice. ### Whole-home backup Here the whole switchboard runs from the battery during an outage. It sounds simplest, but it usually needs an inverter with a higher power output, more hardware, and a plan for what happens when too many appliances run at once. If everything switches on together, the system may overload and shut down. Some systems handle this with load management that switches off certain appliances automatically. ## The hardware that makes it work Backup depends on more than the battery itself. Depending on the design, it can involve: - **A hybrid inverter with a backup output.** A hybrid inverter manages solar panels and a battery together. Some models include a backup or off-grid output; others do not. - **A backup gateway or changeover device.** This detects a blackout, disconnects your home from the grid and switches the backed-up circuits over to the battery. It may be built into the inverter or be a separate unit. - **A backup sub-board.** For essential-circuits backup, the chosen circuits are moved into their own board. - **Switchboard work.** Older switchboards may need upgrading before backup can be added safely. Ask how long the changeover takes. Some systems switch over quickly enough that you barely notice. Others take longer, and computers, modems or clocks may restart. Also ask whether your solar panels keep working during an outage. Some backup systems let the panels recharge the battery while the grid is down, which can matter a great deal in a long outage. Others only run the battery until it is empty. ## Power versus energy Two numbers decide what a battery can do in a blackout: - **Energy (kWh)** is how much is stored, so it sets how long you can keep going. - **Power (kW)** is how much the system can supply at once, so it sets how many appliances you can run together. A battery with plenty of stored energy but a modest power output may still struggle to run an oven, a kettle and air conditioning at the same time. Our guide to [what size battery you need](https://solaranswers.com.au/guides/what-size-battery-do-i-need) explains both. How much is in the battery when the power goes out matters too. Many systems let you set a backup reserve, a level the battery will not discharge below in everyday use, so some charge is always kept for outages. A higher reserve gives you more security but leaves less capacity for daily savings. If you are in a [virtual power plant](https://solaranswers.com.au/guides/virtual-power-plants-explained), ask how its events interact with that reserve. ## Why backup changes the price Backup adds cost because it can involve extra hardware, extra wiring, a separate sub-board, more labour and sometimes a switchboard upgrade. Whole-home backup may also need a larger inverter. The federal Cheaper Home Batteries discount is calculated on the battery's usable capacity, so adding backup hardware does not increase it. When you compare quotes, check whether each one includes backup, what kind, and which circuits. A cheaper quote without backup is not comparable with a dearer one that includes it. Our guide on [how to compare solar quotes](https://solaranswers.com.au/guides/how-to-compare-solar-quotes) has more on reading quotes line by line, and the [battery rebate calculator](https://solaranswers.com.au/calculators/battery-rebate) shows the discount side. ## What to ask your installer - Does this system provide backup during a blackout? If so, what type? - Which circuits will be backed up? Can I see them listed in writing? - What is the maximum power (kW) available in backup mode? - How long does the changeover take? Will my devices restart? - Can my solar recharge the battery during an outage? - Can I set a backup reserve, and what do you recommend for my use? - Does my switchboard need work first, and is that included in the price? - How do I test the backup, and how will I know it is working? - If we have three-phase power, does backup cover one phase or all three? For a broader checklist, see our [questions to ask a solar installer](https://solaranswers.com.au/guides/questions-to-ask-a-solar-installer). ## Safety: a job for a licensed electrician Backup wiring is not a DIY job. Getting the grid separation wrong can send power back into the network, which puts line workers at risk, or cause a fire in your home. Only a licensed electrician should do this work. For the federal discount, the installation must also be done with a Solar Accreditation Australia (SAA) accredited installer present, and since 1 March 2026 installers must take geotagged, time-stamped photos of the battery's labels for compliance. Never connect a battery, generator or portable power station to your home's wiring with a homemade lead or adaptor. It can back-feed the grid and is dangerous. Portable batteries are also outside the federal program. If anyone in your home relies on life support equipment, do not depend on a home battery alone. Talk to your retailer about life support registration and have a separate plan for outages. ## Test it before you need it At handover, ask your installer to show you the system running in backup mode, for example by switching off the main supply in a controlled way. Learn how to check the battery's charge and backup reserve in the app. Keep the list of backed-up circuits somewhere you can find it in the dark. ## The short version - A battery does not work in a blackout unless the system includes backup hardware and wiring. - Essential-circuits backup runs chosen circuits; whole-home backup aims to run the whole switchboard but usually costs more and needs more power. - Both stored energy (kWh) and power output (kW) limit what you can run during an outage. - Backup adds to the price, and the federal discount does not grow with it, so compare quotes like for like. - Backup work must be done by a licensed electrician, never DIY. When you are ready, [get quotes](https://solaranswers.com.au/get-quotes) that spell out exactly what is backed up. ### Do all home batteries work during a power outage? No. A battery only powers your home in an outage if the system includes backup hardware and has been wired for it. Without that, it switches off with the grid for safety. ### Can my solar panels charge the battery during a blackout? Some backup systems can keep the panels running to recharge the battery during an outage, and some cannot. Ask your installer how your chosen system behaves before you sign. ### Can I add blackout backup to a battery I already have? Sometimes. It depends on whether your inverter supports a backup output and on your switchboard. A licensed electrician or your original installer can tell you what would be involved. ### How long will a battery run my house in a blackout? That depends on how much charge is left when the power goes out, which circuits are backed up and what you run. Running a few lights and the fridge uses far less than cooking and air conditioning. Sources: - [DCCEEW, Cheaper Home Batteries Program](https://www.dcceew.gov.au/energy/programs/cheaper-home-batteries) (checked 2026-09-23) ## New South Wales: solar and battery rebates URL: https://solaranswers.com.au/rebates/nsw Checked: 2026-09-23 NSW households get the federal battery discount and can add the NSW virtual power plant incentive. The old NSW upfront battery discount is no longer available. In New South Wales you can combine two things: the federal Cheaper Home Batteries discount, which applies everywhere in Australia, and a NSW incentive for connecting your battery to a virtual power plant (VPP). ## The NSW VPP incentive A virtual power plant is a program run by an energy company that can, with your permission, draw on some of the energy stored in your battery at busy times on the grid. NSW pays an incentive under its Peak Demand Reduction Scheme when you connect an eligible battery to an approved VPP. - Batteries up to 50 kWh are eligible, and the incentive is calculated on up to 28 kWh of capacity. - The amount is not fixed. It moves with battery size, your VPP provider and the value of the certificates behind the scheme. - It can be paid upfront or over time, depending on the provider. Before you sign up, read the VPP terms: how much of your battery the provider can use, how long you are locked in, and what it costs to leave. Our guide to [virtual power plants](https://solaranswers.com.au/guides/virtual-power-plants-explained) covers the questions to ask. ## The old NSW battery discount NSW previously ran an upfront discount on battery installations. The NSW Government says it is no longer available, so be wary of any quote that lists it. ## The federal discount in NSW The federal discount works the same way in every NSW postcode, with no income test. The size of it depends on your battery's usable capacity and the date your installation is signed off. Use the [battery rebate calculator](https://solaranswers.com.au/calculators/battery-rebate) to see the figure for your battery. ## How the two fit together On a good quote you should see the federal discount as its own line, and the NSW VPP incentive shown separately, with the name of the VPP provider it depends on. If the VPP incentive is bundled into one big "rebate" number, ask for it to be broken out. ### Is there a NSW battery rebate in 2026? The NSW upfront battery discount is no longer available. What NSW offers now is an incentive for connecting an eligible battery to an approved virtual power plant, and it stacks with the federal discount. ### How much is the NSW VPP incentive? NSW does not set one fixed amount. It depends on the battery's capacity (counted up to 28 kWh), the VPP provider and certificate prices, so ask each installer to show the current offer for your address on the quote. ### Do I have to join a VPP to get the federal discount in NSW? No. For the federal discount the battery only has to be capable of joining a VPP. Joining is what unlocks the separate NSW incentive. Sources: - [NSW Climate and Energy Action, Virtual power plant (VPP) incentive](https://www.energy.nsw.gov.au/households/grants-rebates/household-energy-saving-upgrades/virtual-power-plant-vpp-incentive) (checked 2026-09-23) - [NSW Climate and Energy Action, Install a battery](https://www.energy.nsw.gov.au/households/grants-rebates/household-energy-saving-upgrades/install-battery) (checked 2026-09-23) - [DCCEEW, Cheaper Home Batteries Program](https://www.dcceew.gov.au/energy/programs/cheaper-home-batteries) (checked 2026-09-23) ## Victoria: solar and battery rebates URL: https://solaranswers.com.au/rebates/vic Checked: 2026-09-23 Victoria has no state battery rebate now that Solar Victoria battery loans have closed. The federal discount applies, and a solar panel rebate of up to $1,400 is still open. For batteries, Victoria now relies on the federal Cheaper Home Batteries discount. Solar Victoria has stopped taking applications for its battery loans. For solar panels, the state rebate is still open. ## Batteries There is no Victorian battery rebate or loan open to new applicants. The federal discount applies in every Victorian postcode with no income test. Its value depends on your battery's usable capacity and the date the installation is signed off. See your figure with the [battery rebate calculator](https://solaranswers.com.au/calculators/battery-rebate). ## Solar panels Solar Victoria's solar panel rebate is worth up to $1,400, and you can apply for an interest-free loan for a matching amount, repaid over four years. The main conditions: - Combined household taxable income under $150,000 a year. This cap dropped from $210,000 for applications from 1 July 2026. - A property valued under $3 million. - One rebate per address. - An authorised retailer and eligible products, as listed by Solar Victoria. This comes on top of the federal solar discount (STCs), which is already built into most quotes. Our guide to [the solar panel rebate](https://solaranswers.com.au/guides/solar-rebate-stcs-explained) explains how that part works. ## Adding panels and a battery together If you are doing both, ask your installer to show each incentive as a separate line on the quote: the federal battery discount, the federal solar discount, and the Solar Victoria rebate if you qualify. ### Is there a Victorian battery rebate in 2026? No. Solar Victoria is no longer taking applications for battery loans, so the federal Cheaper Home Batteries discount is the battery incentive in Victoria. ### Can I still get the Solar Victoria panel rebate? Yes, the solar panel rebate of up to $1,400 is open, with an optional interest-free loan. From 1 July 2026 your combined household taxable income must be under $150,000 and the property valued under $3 million. ### Can I claim the Victorian panel rebate and the federal battery discount together? They are separate programs with separate rules. If you add panels and a battery at the same time, check with Solar Victoria and your installer that the system meets both sets of conditions. Sources: - [Solar Victoria, Solar panel rebate](https://www.solar.vic.gov.au/solar-panel-rebate) (checked 2026-09-23) - [DCCEEW, Cheaper Home Batteries Program](https://www.dcceew.gov.au/energy/programs/cheaper-home-batteries) (checked 2026-09-23) ## Queensland: solar and battery rebates URL: https://solaranswers.com.au/rebates/qld Checked: 2026-09-23 Queensland's Battery Booster has closed with no replacement, so the federal discount is the battery incentive. Landlords can get up to $3,500 for solar for renters. The Queensland Battery Booster rebate has closed, and the state has not announced a replacement. For batteries, the federal Cheaper Home Batteries discount is the incentive available in Queensland today. ## Batteries The federal discount applies in every Queensland postcode, with no income test. Its value depends on your battery's usable capacity and the date the installation is signed off by the electrician. Work out your figure with the [battery rebate calculator](https://solaranswers.com.au/calculators/battery-rebate). If a salesperson mentions the Battery Booster as if it were still open, treat the whole quote with caution. ## Solar for rental properties Queensland's Supercharged Solar for Renters program offers landlords a rebate of up to $3,500 towards installing solar on a rental property. It opened on 12 December 2025. Check the Queensland Government page for the current eligibility rules and whether places remain. ## Solar for your own home Owner-occupiers get the federal solar discount, delivered as small-scale technology certificates (STCs) and usually taken off the quote price. Our guide to [the solar panel rebate](https://solaranswers.com.au/guides/solar-rebate-stcs-explained) explains how it is calculated. ### Is the Queensland Battery Booster still open? No. The Battery Booster rebate has closed to new applications and no replacement has been announced. The federal Cheaper Home Batteries discount still applies in Queensland. ### Is there a Queensland solar rebate? Owner-occupiers get the federal solar discount (STCs). Landlords can apply for Supercharged Solar for Renters, which offers up to $3,500 towards solar for a rental property. ### What date decides my federal battery discount in Queensland? The date the certificate of electrical compliance is issued, which is when the electrician signs off the installation. The contract date does not count. Sources: - [Queensland Government, Supercharged Solar for Renters](https://www.qld.gov.au/housing/home-energy-savings/supercharged-solar-for-renters) (checked 2026-09-23) - [DCCEEW, Cheaper Home Batteries Program](https://www.dcceew.gov.au/energy/programs/cheaper-home-batteries) (checked 2026-09-23) ## South Australia: solar and battery rebates URL: https://solaranswers.com.au/rebates/sa Checked: 2026-09-23 South Australia's Home Battery Scheme has closed. The federal discount applies, and some retailers offer incentives for connecting a battery to a virtual power plant. South Australia's Home Battery Scheme has closed, so there is no state battery rebate open today. The federal Cheaper Home Batteries discount is the main incentive for South Australian homes. ## The federal discount It applies in every South Australian postcode with no income test. Its value depends on your battery's usable capacity and the date your electrician issues the certificate of compliance. See your figure with the [battery rebate calculator](https://solaranswers.com.au/calculators/battery-rebate). ## Retailer VPP incentives South Australia's Retailer Energy Productivity Scheme (REPS) includes an activity for connecting a new or existing battery to an approved virtual power plant. Energy retailers decide what, if anything, they offer for it. The government does not publish a set amount, and figures you see advertised come from the retailers themselves. If an installer or retailer mentions a VPP payment: - Ask who pays it and when. - Get the amount and the conditions in writing. - Check how long the VPP agreement runs and what it costs to leave. Our guide to [virtual power plants](https://solaranswers.com.au/guides/virtual-power-plants-explained) has the full list of questions. ### Is there a South Australian battery rebate? Not a state rebate. The Home Battery Scheme has closed. The federal Cheaper Home Batteries discount applies in South Australia. ### Can I get paid for connecting my battery to a VPP in South Australia? Possibly. The state's Retailer Energy Productivity Scheme includes an activity for connecting a battery to an approved VPP, but retailers set their own offers and the government does not publish a fixed amount. Ask for the offer in writing. ### Does the federal discount have an income test in South Australia? No. The federal discount has no income test anywhere in Australia. It depends on the battery's usable capacity and when the installation is signed off. Sources: - [Energy and Mining SA, Home Battery Scheme closed](https://www.energymining.sa.gov.au/consumers/hbs-closed) (checked 2026-09-23) - [DCCEEW, Cheaper Home Batteries Program](https://www.dcceew.gov.au/energy/programs/cheaper-home-batteries) (checked 2026-09-23) ## Western Australia: solar and battery rebates URL: https://solaranswers.com.au/rebates/wa Checked: 2026-09-23 WA adds a state battery rebate of up to $1,300 for Synergy customers or $3,800 for Horizon Power customers, plus no-interest loans. Joining a VPP is required. Western Australia runs its own battery scheme on top of the federal Cheaper Home Batteries discount. The catch is that you must join a virtual power plant (VPP) to get the state part. ## The WA Residential Battery Scheme - **Rebate:** up to $1,300 if you are a Synergy customer, or up to $3,800 if you are a Horizon Power customer. - **Battery size:** the rebate covers batteries with 5 to 10 kWh of usable capacity. - **VPP:** joining a VPP under a two-year agreement is mandatory. - **Timing:** the battery must have been installed on or after 1 July 2025. - **Who:** WA residents aged 18 or over who are Synergy or Horizon Power customers. ## The no-interest loan Eligible households can borrow $2,001 to $10,000 with no interest, repaid over 3 to 10 years. The loan can also cover solar panels and inverters installed at the same time as the battery. It is available to households with a gross income under $210,000. ## Combining it with the federal discount The federal discount is worked out on usable capacity and the date your installation is signed off. For a 10 kWh battery installed before 1 January 2027 it is about $2,520 to $2,720. Add the $1,300 Synergy rebate and the combined support is roughly $3,800 to $4,000. Some older material still quotes $5,000 for the same battery, which was correct before the federal factor fell on 1 May 2026. Use the [battery rebate calculator](https://solaranswers.com.au/calculators/battery-rebate) for the federal part, and read our guide to [virtual power plants](https://solaranswers.com.au/guides/virtual-power-plants-explained) before you sign the VPP agreement. ### How much is the WA battery rebate? Up to $1,300 for Synergy customers and up to $3,800 for Horizon Power customers, on top of the federal discount. It covers batteries with 5 to 10 kWh of usable capacity. ### Do I have to join a virtual power plant in WA? Yes, for the WA rebate. Joining a VPP under a two-year agreement is a condition of the state scheme. The federal discount on its own does not require it. ### Who can get the WA no-interest battery loan? Synergy and Horizon Power customers with a household gross income under $210,000. Loans range from $2,001 to $10,000 over 3 to 10 years and can also cover solar installed with the battery. ### Is the $5,000 combined figure still right for a 10 kWh battery? Not since the federal factor dropped on 1 May 2026. At the current factor a 10 kWh battery earns about $2,520 to $2,720 federally, so with the $1,300 Synergy rebate the total is roughly $3,800 to $4,000. Sources: - [WA Government, WA Residential Battery Scheme: information for applicants](https://www.wa.gov.au/government/wa-residential-battery-scheme-information-applicants) (checked 2026-09-23) - [Synergy, WA Residential Battery Scheme](https://www.synergy.net.au/WA-Residential-Battery-Scheme) (checked 2026-09-23) - [DCCEEW, Cheaper Home Batteries Program](https://www.dcceew.gov.au/energy/programs/cheaper-home-batteries) (checked 2026-09-23) ## Tasmania: solar and battery rebates URL: https://solaranswers.com.au/rebates/tas Checked: 2026-09-23 Tasmania's Energy Saver Loan Scheme closed on 1 September 2025. The federal battery discount applies, and Tasmania keeps a regulated minimum solar feed-in tariff. Tasmania no longer has a state program for batteries. The Energy Saver Loan Scheme, which offered interest-free loans of $500 to $10,000, closed on 1 September 2025 after its funding was used up. The federal Cheaper Home Batteries discount is the incentive available now. ## The federal discount It applies in every Tasmanian postcode with no income test. Its value depends on your battery's usable capacity and the date your installation is signed off. See your figure with the [battery rebate calculator](https://solaranswers.com.au/calculators/battery-rebate). ## Feed-in tariffs Tasmania is one of the few states with a regulated minimum solar feed-in tariff: 9.276 cents per kWh from 1 July 2026 to 30 June 2027. A higher feed-in tariff means each kWh you export is worth more, so the extra value from storing it in a battery is smaller than in states where exports earn very little. Our guide to [feed-in tariffs](https://solaranswers.com.au/guides/solar-feed-in-tariffs) explains how to weigh this. ## Solar Solar panels get the federal discount (STCs), usually taken off the quote price. Hobart is in the lowest solar zone, so the discount per kW is smaller than on the mainland. Our guide to [the solar panel rebate](https://solaranswers.com.au/guides/solar-rebate-stcs-explained) shows how it is worked out. ### Is there a Tasmanian battery rebate? No state rebate is open. The Energy Saver Loan Scheme, which offered interest-free loans, closed on 1 September 2025. The federal Cheaper Home Batteries discount applies. ### What is the solar feed-in tariff in Tasmania? The regulated minimum is 9.276 cents per kWh from 1 July 2026 to 30 June 2027, set by the Office of the Tasmanian Economic Regulator. ### Is a battery worth it in Tasmania? It depends on how much solar you export and use in the evening. Tasmania's feed-in tariff is higher than in most states, which narrows the gap a battery can close, so run the numbers for your own bills. Sources: - [ReCFIT, Energy Saver Loan Scheme](https://www.recfit.tas.gov.au/grants_programs/energy-efficiency/energy_saver_loan_scheme) (checked 2026-09-23) - [DCCEEW, Cheaper Home Batteries Program](https://www.dcceew.gov.au/energy/programs/cheaper-home-batteries) (checked 2026-09-23) ## Australian Capital Territory: solar and battery rebates URL: https://solaranswers.com.au/rebates/act Checked: 2026-09-23 The ACT adds 3% loans of $2,000 to $20,000 for batteries through the Sustainable Household Scheme, and rebates for concession card holders through Home Energy Support. Canberra households get the federal Cheaper Home Batteries discount, and the ACT adds help with finance. Concession card holders may also get rebates. ## Sustainable Household Scheme - 3% interest loans from $2,000 to $20,000, over up to 10 years, with no fees. - Covers batteries and other upgrades such as heat pumps and electric vehicles. - Rooftop solar is not covered for general households. - Previous participants, and those who applied before 1 July 2026, are capped at $15,000 in total. - You need to own the home, complete a short workshop and pass a credit check. A loan is still debt. Compare the repayments with what the battery is likely to do for your bills before you commit. ## Home Energy Support (concession card holders) If you hold a Pensioner Concession Card, DVA Gold Card or Health Care Card and own and live in your home, you may be able to get: - 50% of the cost of rooftop solar, up to $2,500. - 50% of the cost of other upgrades, up to $2,500. - A 0% loan of up to $10,000. Land value limits apply: up to $750,000 for a house or $300,000 for an apartment. ## The federal discount It applies in the ACT the same way as everywhere else. Work out your figure with the [battery rebate calculator](https://solaranswers.com.au/calculators/battery-rebate). ### Is there an ACT battery rebate? Not a general rebate. Most households can use the Sustainable Household Scheme, which offers 3% loans of $2,000 to $20,000 for batteries and other upgrades. Concession card holders may get rebates through Home Energy Support. ### Does the Sustainable Household Scheme cover solar panels? Not for general households. The loan covers batteries, heat pumps, electric vehicles and other upgrades, but rooftop solar is not included. ### What does Home Energy Support offer? For eligible concession card holders who own and live in their home, 50% of the cost of rooftop solar up to $2,500, 50% of other upgrades up to $2,500, and a 0% loan of up to $10,000. Land value limits apply. Sources: - [ACT Government, Sustainable Household Scheme](https://www.climatechoices.act.gov.au/policy-programs/sustainable-household-scheme) (checked 2026-09-23) - [ACT Government, Home Energy Support: rebates for homeowners](https://www.climatechoices.act.gov.au/policy-programs/home-energy-support-rebates-for-homeowners) (checked 2026-09-23) - [DCCEEW, Cheaper Home Batteries Program](https://www.dcceew.gov.au/energy/programs/cheaper-home-batteries) (checked 2026-09-23) ## Northern Territory: solar and battery rebates URL: https://solaranswers.com.au/rebates/nt Checked: 2026-09-23 The NT Home and Business Battery Scheme has used its $6 million funding and closed to new grants. The federal battery discount applies across the Territory. The Northern Territory's Home and Business Battery Scheme paid $400 per kWh of usable capacity, up to $12,000. It has now used its $6 million funding allocation and is closed to new grants. The federal Cheaper Home Batteries discount is the incentive you can count on today. ## The federal discount It applies across the Territory with no income test. Its value depends on your battery's usable capacity and the date your installation is signed off. Work out your figure with the [battery rebate calculator](https://solaranswers.com.au/calculators/battery-rebate). ## If you already applied to the NT scheme The NT Government says applications that were submitted but not approved, and any new ones, will only be considered if funding becomes available. There is no guarantee an application will be assessed. Do not sign a contract that depends on the grant unless you have a written approval. ## Solar and feed-in tariffs Darwin sits in a higher solar zone than the southern capitals, so solar panels earn more certificates per kW. Jacana Energy's published feed-in rates for 2026-27 are 9.33 cents per kWh at any time and 18.66 cents per kWh between 3pm and 9pm for homes with a smart meter. See our guide to [feed-in tariffs](https://solaranswers.com.au/guides/solar-feed-in-tariffs). ### Is the NT Home and Business Battery Scheme still open? No. It reached its $6 million funding allocation and is closed to new grants. New applications are only considered if more funding becomes available, with no guarantee. ### What did the NT battery grant pay? $400 per kWh of usable battery capacity, up to $12,000. Do not rely on it for a new purchase unless the NT Government reopens the scheme. ### What feed-in tariff do NT households get? Jacana Energy's published rates for 2026-27 are 9.33 cents per kWh at any time, plus a higher 18.66 cent rate from 3pm to 9pm for homes with a smart meter. Sources: - [NT Government, Home and Business Battery Scheme](https://nt.gov.au/industry/business-grants-funding/home-and-business-battery-scheme) (checked 2026-09-23) - [DCCEEW, Cheaper Home Batteries Program](https://www.dcceew.gov.au/energy/programs/cheaper-home-batteries) (checked 2026-09-23) ## AIKO Neostar 2P 465 W URL: https://solaranswers.com.au/reviews/solar-panels/aiko-neostar-2p-465 Manufacturer documents checked: 2026-09-23 N-type back-contact (BC) panel at 465 W and 23.3% efficiency, 20.6 kg, -0.26%/°C. The Neostar 2P54 series runs 450 to 485 W. The Neostar 2P54 is AIKO's 108-cell back-contact rooftop panel, offered from 450 W to 485 W. The 465 W bin reviewed here is 23.3% efficient and the 485 W top bin 24.3%. At 1757 x 1134 mm it is 5 mm shorter than the common 1762 mm size, so it fits most standard layouts. The -0.26%/°C temperature coefficient is among the lowest in this guide, and the power warranty guarantees 88.85% after 30 years, based on 1% loss in year one and 0.35% a year after. AIKO also lists partial-shading optimisation among the design features. Power binning is 0 to +3%. It is a single-glass panel with 3.2 mm tempered glass and a black frame, and at 20.6 kg it is the lightest panel here. The product warranty is 25 years, and the datasheet lists a 40 mm hail test at 27.5 m/s. - Power: 465 W - Module efficiency: 23.3% - Cell type: N-type back contact (BC), 108 cells, single glass - Temperature coefficient: -0.26% per °C - Product warranty: 25 years - Performance warranty: 30 years - Output at end of warranty: 88.85% after 30 years - Dimensions: 1757 x 1134 x 30 mm - Weight: 20.6 kg Advantages noted in the review: - -0.26%/°C temperature coefficient - 88.85% power guaranteed after 30 years - 25-year product warranty - Lightest panel here at 20.6 kg Limitations noted in the review: - Single-glass construction, where several rivals here use dual glass Sources: - [AIKO, Neostar 2P54 Mono-Glass 450-485 W datasheet (V5.1)](https://aikosolar.com/wp-content/uploads/2025/07/Neostar-2P54-Mono-Glass-450-485W.pdf) (checked 2026-09-23) - [AIKO Australia, Neostar 2P54 product page](https://aikosolar.com/au/products/neostar-2p54-mono-glass/) (checked 2026-09-23) ## AlphaESS SMILE-M-BAT-13.9P URL: https://solaranswers.com.au/reviews/batteries/alphaess-smile-m-bat-13-9p Manufacturer documents checked: 2026-09-23 Single 13.99 kWh usable LFP battery module for the single-phase AlphaESS SMILE-M5, rated at 5.04 kW, with a second module for 27.98 kWh. The SMILE-M-BAT-13.9P is a single 13.99 kWh LFP module, usable at 100% depth of discharge, that pairs with AlphaESS's single-phase SMILE-M5 system. At 13.99 kWh it sits just under the 14 kWh point where the federal discount rate drops, and AlphaESS sells it on that basis. A second module takes the SMILE-M5 to 27.98 kWh, and the part above 14 kWh earns the discount at a lower rate. Its rated DC power is 5.04 kW and the SMILE-M5 inverter is rated at 5 kW, so this is a large store of energy with modest output. That suits spreading stored energy across the evening better than running several large appliances at once. AlphaESS lists UPS backup for the SMILE-M5. The Australian warranty covers 10 years with 70% of usable capacity retained, provided throughput stays under 3.12 MWh per kWh of usable capacity, or about 43.6 MWh for one module. One full cycle a day would reach that in about eight and a half years. The module does not charge below 0 C and weighs 115 kg on a floor base. - Usable capacity: 13.99 kWh - Nominal capacity: 13.99 kWh - Chemistry: LFP - Continuous power: 5.04 kW - Phases: Single-phase, with the SMILE-M5 (5 kW) - Backup: UPS backup through the SMILE-M5 - Expansion: 1 to 2 modules with the SMILE-M5 (27.98 kWh); datasheet allows up to 4 in parallel - Warranty: 10 years - Warranty terms: 10 years, 70% usable capacity, throughput under 3.12 MWh per kWh usable (about 43.6 MWh) - IP rating: IP65 - Weight: 115 kg - Dimensions: 620 x 710 x 240 mm - Operating temperature: -10 to 50 C (charging 0 to 50 C) Advantages noted in the review: - 13.99 kWh usable, just under 14 kWh - 100% depth of discharge - UPS backup listed with the SMILE-M5 Limitations noted in the review: - 5.04 kW rated power limits large loads - Throughput limit reached in about eight and a half years at one cycle a day - Does not charge below 0 C Sources: - [AlphaESS Australia, SMILE-M-BAT-13.9P battery datasheet](https://alphaess.au/cdn/shop/files/Battery_Datasheet_SMILE-M-BAT-13.9P_20250420.pdf) (checked 2026-09-23) - [AlphaESS Australia, SMILE-M5 product page](https://alphaess.au/products/smile-m5) (checked 2026-09-23) - [AlphaESS Australia, warranty conditions for residential products (30 Oct 2024)](https://alphaess.au/cdn/shop/files/Warranty_Terms_Conditions-AU_A.pdf) (checked 2026-09-23) ## AlphaESS SMILE-M5-S URL: https://solaranswers.com.au/reviews/inverters/alphaess-smile-m5-s Manufacturer documents checked: 2026-09-23 Single-phase 5 kW hybrid inverter with 2 MPPTs and 10 kW PV input, built to stack with AlphaESS 5 kWh battery modules (5 to 30 kWh). The SMILE-M5-S is a 5 kW single-phase hybrid, a size that suits many homes with a 6.6 kW array. AlphaESS allows up to 10 kW of PV, 200% of the AC rating, so there is room to add panels later, although output above 5 kW AC is limited by the inverter. Two MPPTs, each taking one string at up to 16 A, cover a roof split across two faces. The inverter stacks with AlphaESS 5 kWh LFP modules, from one module (5 kWh) to six (30 kWh), with battery charge and discharge capped at 5 kW. The datasheet lists UPS-type backup but gives no backup power rating and no efficiency figures, and it is marked preliminary. Ask the installer for the final datasheet and how the backup circuits will be wired. AlphaESS states a 10-year warranty. - Type: Hybrid - Rated AC output: 5 kW - Phases: Single-phase - MPPT trackers: 2 - Max PV input: 10 kW - Backup: UPS-type backup listed; backup power rating not stated - Compatible batteries: AlphaESS SMILE-M-BAT-5P modules, 1 to 6 in parallel (5 to 30 kWh) - Warranty: 10 years - IP rating: IP65 - Weight: 19.5 kg Advantages noted in the review: - Accepts up to 10 kW of PV on a 5 kW AC rating - Two MPPTs for a two-face roof - Stacks with 1 to 6 AlphaESS 5 kWh modules (5 to 30 kWh) - 10-year warranty stated on the datasheet Limitations noted in the review: - Datasheet is marked preliminary and omits efficiency and backup power ratings - Battery charge and discharge capped at 5 kW - One string per MPPT Sources: - [AlphaESS Australia, SMILE-M5-S preliminary datasheet (V02.14052025)](https://cdn.shopify.com/s/files/1/0811/4470/9362/files/Datasheet_AU_SMILE-M5-S.PDF) (checked 2026-09-23) - [AlphaESS Australia, SMILE-M5-S product page](https://alphaess.au/dc-coupled-products/SMILE-M5.html) (checked 2026-09-23) ## Anker SOLIX X1 URL: https://solaranswers.com.au/reviews/batteries/anker-solix-x1 Manufacturer documents checked: 2026-09-23 Modular single-phase hybrid system with 5 kWh LFP battery modules, 1 to 6 per system, and 5 or 6 kW power modules with off-grid output. Anker SOLIX X1 is a modular system: a power module that holds the hybrid inverter, with 5 kWh X1-B5-H battery modules stacked in one or two columns, from one module (5 kWh) to six (30 kWh). Anker's Australian single-phase flyer lists 5 kW and 6 kW power modules, with off-grid output at the same rating, 10 kVA for 10 seconds and a switch time under 10 ms. Each battery module is rated at 3 kW of charge and discharge power. The flyer gives 5 kWh per module as its initial design capacity but no usable figure, and usable capacity is what the federal discount counts, so check the usable kWh on your quote. Two modules make 10 kWh, under the 14 kWh point where the discount rate drops, and three make 15 kWh. The Australian warranty covers 10 years with at least 70% of initial capacity, or 14 MWh of discharge throughput per module, whichever comes first. One full 5 kWh cycle a day would reach 14 MWh in under eight years, so heavy daily use could end cover before the 10 years are up. The modules are rated IP66 for -20 to 55 C. - Nominal capacity: 5 kWh - Chemistry: LFP - Continuous power: 3 kW - Phases: Single-phase (X1-H5K-S and X1-H6K-S power modules) - Backup: Off-grid output from the power module, switch time under 10 ms - Expansion: 1 to 6 modules (5 to 30 kWh), in one or two columns - Warranty: 10 years - Warranty terms: 10 years, 70% capacity, or 14 MWh discharge throughput per X1-B5-H, whichever comes first - IP rating: IP66 - Weight: 51 kg - Dimensions: 670 x 360 x 150 mm - Operating temperature: -20 to 55 C Advantages noted in the review: - Off-grid output with a switch time under 10 ms - IP66 and a -20 to 55 C operating range - 5 kWh steps up to 30 kWh Limitations noted in the review: - No usable capacity figure published - 14 MWh per module is reached in under eight years at one cycle a day - 3 kW per battery module Sources: - [Anker SOLIX, X1 hybrid single-phase energy storage system flyer for Australia](https://support.ankersolix.com/s/article/Anker-SOLIX-X1-Single-Phase-Energy-Storage-System-Flyer-for-Australia) (checked 2026-09-23) - [Anker SOLIX Australia, X1 home energy storage system warranty policy](https://www.ankersolix.com/au/x1-home-energy-storage-system-warranty-policy) (checked 2026-09-23) ## BLUETTI EP760 URL: https://solaranswers.com.au/reviews/inverters/bluetti-ep760 Manufacturer documents checked: 2026-09-23 Single-phase 7.6 kW hybrid inverter with 3 MPPTs, built to run with 2 to 8 BLUETTI B500 battery packs (9.9 to 39.68 kWh). The EP760 is a 7.6 kW single-phase hybrid, a step up from the common 5 kW size, and its backup output is also rated at 7.6 kW with a switchover time under 10 ms. It is designed around BLUETTI's B500 packs, and the Australian datasheet shows configurations from two packs (9.9 kWh) to eight (39.68 kWh). BLUETTI recommends up to 15.2 kWp of panels, but total PV input is limited to 9 kW, or 3 kW per MPPT. A large array will therefore be clipped when the sun is strong, and each MPPT suits a fairly small string. Three MPPTs do help on roofs with several faces. Peak PV inversion efficiency is 96.0%, at the lower end of the inverters reviewed here. The unit weighs 46 kg, carries a 10-year warranty, and the datasheet also describes AC coupling for homes that already have solar. - Type: Hybrid - Rated AC output: 7.6 kW - Phases: Single-phase - MPPT trackers: 3 - Max PV input: 15.2 kW - Max efficiency: 96% - Backup: Backup output 7.6 kW, switchover under 10 ms - Compatible batteries: BLUETTI B500 packs (4.96 kWh each); AU datasheet shows 2 to 8 packs - Warranty: 10 years - IP rating: IP65 - Weight: 46 kg Advantages noted in the review: - Backup output matches the full 7.6 kW rating, with under 10 ms switchover - Three MPPTs for roofs with several faces - Scales from 9.9 to 39.68 kWh with B500 packs - Can AC-couple to an existing solar system Limitations noted in the review: - PV input capped at 9 kW total and 3 kW per MPPT despite a 15.2 kWp array recommendation - 96.0% peak PV efficiency is at the low end of this group - Heavy at 46 kg Sources: - [BLUETTI, EP760 datasheet (AU, V1.0)](https://s4.bluettipower.com/bluetti/common/2025/11/EP760DatasheetenV1.0AU-1764064510776-ae36.pdf) (checked 2026-09-23) - [BLUETTI, EP760 energy storage system user manual (specifications)](https://s4.bluettipower.com/bluetti_lgf/support/2025/08/c690d24e-e143-409f-a72a-11cb5265339f.pdf) (checked 2026-09-23) ## BYD Battery-Box Premium HVM URL: https://solaranswers.com.au/reviews/batteries/byd-battery-box-premium-hvm Manufacturer documents checked: 2026-09-23 High-voltage LFP battery stack of 3 to 8 modules, 8.28 to 22.08 kWh usable per tower, that pairs with a compatible third-party hybrid inverter. The HVM uses a larger, lower-voltage module than BYD's HVS, with 2.76 kWh per module and 3 to 8 modules per tower. Like the HVS it is a battery only, so a hybrid inverter from BYD's compatibility list sets the phase, the output to your home and whether backup is available. The battery side is rated at 7.68 kW for the HVM 8.3, rising to 20.48 kW for the HVM 22.1. The HVM 8.3, 11.0 and 13.8 all sit under the 14 kWh point where the federal discount rate drops. The HVM 16.6 and larger go past it, and so do parallel towers, which reach 66.2 kWh with three HVM 22.1 stacks. Capacity above 14 kWh earns the discount at a lower rate. The Australian warranty covers 10 years with 70% of usable energy retained, or a throughput limit, whichever comes first. The limit scales with tower size, from 25.62 MWh for the HVM 8.3 to 68.31 MWh for the HVM 22.1, which works out to about eight and a half years at one full cycle a day for any size. It only applies with an inverter on BYD's list. - Usable capacity: 8.28 kWh - Chemistry: LFP - Continuous power: 7.68 kW - Phases: Single-phase or three-phase, set by the inverter - Backup: Backup and off-grid with a compatible inverter - Expansion: 3 to 8 modules per tower (8.28 to 22.08 kWh), up to 3 identical towers (66.2 kWh) - Warranty: 10 years - Warranty terms: 10 years, 70% usable energy, or 25.62 MWh throughput for the HVM 8.3 (68.31 MWh for the HVM 22.1), whichever comes first - IP rating: IP55 - Weight: 129 kg - Dimensions: 585 x 995 x 298 mm - Operating temperature: -10 to 50 C Advantages noted in the review: - Six tower sizes from 8.28 to 22.08 kWh - Battery-side power rises with tower size, up to 20.48 kW - Three sizes sit under 14 kWh Limitations noted in the review: - Needs a separate compatible hybrid inverter - Throughput limit is reached in about eight and a half years at one cycle a day - HVM 16.6 and larger go past 14 kWh, where the discount rate drops Sources: - [BYD, Battery-Box Premium HVS / HVM datasheet V1.1 AU](https://www.bydbatterybox.com/uploads/downloads/Datasheet%20HVS%20%26%20HVM%20V1.1_AU-652ce7e1cd83b.pdf) (checked 2026-09-23) - [BYD, Battery-Box Premium HV limited warranty, Australia V1.0](https://www.bydbatterybox.com/uploads/downloads/BCU2.0_Warranty%20T%26CS%20BYD%20Battery-Box%20Premium%20HV%20Australia-EN%20V1.0%20-%2020250328-67ee33dc46f4e.pdf) (checked 2026-09-23) - [BYD, HVS and HVM compatible inverter list V2.21](https://www.bydbatterybox.com/uploads/downloads/BCU2.0_250820_BYD_Battery_Box_Premium_HVS%26HVM_Compatible_Inverter_List_V2.21-68a55db3937d7.pdf) (checked 2026-09-23) ## BYD Battery-Box Premium HVS URL: https://solaranswers.com.au/reviews/batteries/byd-battery-box-premium-hvs Manufacturer documents checked: 2026-09-23 High-voltage LFP battery stack of 2 to 5 modules, 5.12 to 12.8 kWh usable per tower, that pairs with a compatible third-party hybrid inverter. The HVS is a battery only. It needs a high-voltage hybrid inverter from BYD's compatibility list, and that inverter decides the phase, how much power reaches your home and whether backup is available. On the battery side, the datasheet rates the two-module HVS 5.1 at 5.12 kW and the five-module HVS 12.8 at 12.8 kW. Usable capacity steps up in 2.56 kWh modules from 5.12 kWh to 12.8 kWh per tower, so every single-tower size sits under the 14 kWh point where the federal discount rate drops. Up to three identical towers can run in parallel for 38.4 kWh, and capacity above 14 kWh earns the discount at a lower rate. The Australian warranty covers 10 years with 70% of usable energy retained, or a throughput limit, whichever comes first. For the HVS 5.1 that limit is 15.41 MWh, which one full cycle a day would reach in a little over eight years. The limit rises with tower size, and the warranty only applies with an inverter on BYD's list. - Usable capacity: 5.12 kWh - Chemistry: LFP - Continuous power: 5.12 kW - Phases: Single-phase or three-phase, set by the inverter - Backup: Backup and off-grid with a compatible inverter - Expansion: 2 to 5 modules per tower (5.12 to 12.8 kWh), up to 3 identical towers (38.4 kWh) - Warranty: 10 years - Warranty terms: 10 years, 70% usable energy, or 15.41 MWh throughput for the HVS 5.1 (38.53 MWh for the HVS 12.8), whichever comes first - IP rating: IP55 - Weight: 91 kg - Dimensions: 585 x 762 x 298 mm - Operating temperature: -10 to 50 C Advantages noted in the review: - Fine 2.56 kWh steps from 5.12 to 12.8 kWh per tower - Every single-tower size is under 14 kWh - Pairs with many inverter brands on BYD's compatibility list Limitations noted in the review: - Needs a separate compatible hybrid inverter - HVS 5.1 throughput limit is reached in about eight years at one cycle a day - IP55 and a -10 C lower operating limit Sources: - [BYD, Battery-Box Premium HVS / HVM datasheet V1.1 AU](https://www.bydbatterybox.com/uploads/downloads/Datasheet%20HVS%20%26%20HVM%20V1.1_AU-652ce7e1cd83b.pdf) (checked 2026-09-23) - [BYD, Battery-Box Premium HV limited warranty, Australia V1.0](https://www.bydbatterybox.com/uploads/downloads/BCU2.0_Warranty%20T%26CS%20BYD%20Battery-Box%20Premium%20HV%20Australia-EN%20V1.0%20-%2020250328-67ee33dc46f4e.pdf) (checked 2026-09-23) - [BYD, HVS and HVM compatible inverter list V2.21](https://www.bydbatterybox.com/uploads/downloads/BCU2.0_250820_BYD_Battery_Box_Premium_HVS%26HVM_Compatible_Inverter_List_V2.21-68a55db3937d7.pdf) (checked 2026-09-23) ## Canadian Solar TOPHiKu6 450 W URL: https://solaranswers.com.au/reviews/solar-panels/canadian-solar-tophiku6-450 Manufacturer documents checked: 2026-09-23 N-type TOPCon panel at 450 W and 22.5% efficiency with a 25-year product warranty. The CS6.2-48TM series runs 435 to 470 W. The TOPHiKu6 CS6.2-48TM is a Canadian Solar TOPCon series for the Australian market, from 435 W to 470 W in the common 1762 x 1134 mm size. The 450 W bin reviewed here is 22.5% efficient, and the 470 W top bin reaches 23.5%. Its 144-cell layout means higher voltage (44.8 V) and lower current (10.05 A) at maximum power than 108-cell panels. That suits inverters with lower MPPT current limits but allows fewer panels per string. The temperature coefficient is -0.29%/°C and power tolerance is -5 W to +10 W. This Australian datasheet lists a 25-year product warranty and a 30-year linear power warranty, with no more than 1% loss in year one and 0.4% a year after. It is single glass (3.2 mm), weighs 21.3 kg and lists an ice ball test of 45 mm diameter. - Power: 450 W - Module efficiency: 22.5% - Cell type: N-type TOPCon, 144 cells, single glass - Temperature coefficient: -0.29% per °C - Product warranty: 25 years - Performance warranty: 30 years - Output at end of warranty: No more than 1% loss in year 1, then no more than 0.4% a year - Dimensions: 1762 x 1134 x 30 mm - Weight: 21.3 kg Advantages noted in the review: - 25-year product warranty on the AU datasheet - Lower operating current (10.05 A) than 108-cell panels - Hail rating certified by the manufacturer with 45 mm ice balls Limitations noted in the review: - Power tolerance of -5 W to +10 W - Higher string voltage means fewer panels per string Sources: - [Canadian Solar, TOPHiKu6 CS6.2-48TM AU datasheet (V1.2C1_AU, 25-year product warranty)](https://static.csisolar.com/wp-content/uploads/sites/2/2025/08/08133240/CEC-AU-TOPHiKu6_CS6.2-48TM_v1.2C1_AU-25y-product-warranty.pdf) (checked 2026-09-23) ## DMEGC Infinity RT 475 W URL: https://solaranswers.com.au/reviews/solar-panels/dmegc-infinity-rt-475 Manufacturer documents checked: 2026-09-23 All-black N-type dual-glass panel at 475 W and 23.8% efficiency, with a 25-year product warranty. The series runs 455 to 475 W. The Infinity RT 475 W is the top bin of DMEGC's 455 W to 475 W all-black dual-glass series. Its 23.8% efficiency is among the highest in this group, and the 1762 x 1134 mm footprint is the common size for current rooftop panels. Both faces are 2 mm heat-strengthened glass, which makes it the heaviest panel here at 24.0 kg, worth checking on older or lightweight roof structures. The temperature coefficient of -0.29%/°C is typical of current N-type panels. Operating current is 14.99 A at maximum power, so the inverter needs enough MPPT current headroom. The warranties are 25 years on the product and 30 years on power, with 87.4% of rated output guaranteed after 30 years, based on no more than 1% loss in year one and 0.4% a year after that. Power sorting is positive only, at 0 to +3%. - Power: 475 W - Module efficiency: 23.8% - Cell type: N-type monocrystalline, 96 cells, monofacial dual glass - Temperature coefficient: -0.29% per °C - Product warranty: 25 years - Performance warranty: 30 years - Output at end of warranty: 87.4% after 30 years - Dimensions: 1762 x 1134 x 30 mm - Weight: 24 kg Advantages noted in the review: - 23.8% efficiency at 475 W - 25-year product and 30-year power warranty - Positive-only power sorting (0 to +3%) - Hail class HW3 and 5400 Pa front test load listed Limitations noted in the review: - Heaviest panel here at 24.0 kg - High operating current (14.99 A) needs inverter MPPT headroom Sources: - [DMEGC Solar, Infinity RT DMxxxG12RT-G48HBB 455 to 475 W datasheet (20260708)](https://www.dmegcsolar.com/upload/img/2026-07/6a598b33d53b0.pdf) (checked 2026-09-23) ## EcoFlow PowerOcean 5 kW Single-Phase URL: https://solaranswers.com.au/reviews/inverters/ecoflow-powerocean-5kw-single-phase Manufacturer documents checked: 2026-09-23 Single-phase 5 kW hybrid inverter with 2 MPPTs and 11 kW PV input, paired with EcoFlow 5.1 kWh LFP packs up to 20.4 kWh. This is the 5 kW single-phase member of EcoFlow's PowerOcean range, which also includes 3 kW and 6 kW versions. The 11 kW maximum PV input is 220% of the AC rating, which leaves plenty of room to oversize the array, and two MPPTs handle a two-face roof. It works with EcoFlow's high-voltage PowerOcean LFP packs of 5.1 kWh each, up to 20.4 kWh per inverter, and up to three inverters can be cascaded for 60 kWh. The backup load port is rated at 5 kVA, but the datasheet does not give a switchover time. EcoFlow quotes efficiency only as greater than 96.5% peak and greater than 96% European weighted, at the lower end of this group. The datasheet states a 15-year warranty. - Type: Hybrid - Rated AC output: 5 kW - Phases: Single-phase - MPPT trackers: 2 - Max PV input: 11 kW - Max efficiency: 96.5% - Backup: Backup load output up to 5 kVA; switchover time not stated - Compatible batteries: EcoFlow PowerOcean LFP battery (EF BD-5.1-S1), up to 20.4 kWh per inverter - Warranty: 15 years - IP rating: IP65 - Weight: 21.5 kg Advantages noted in the review: - 220% PV oversizing headroom (11 kW on 5 kW AC) - 15-year warranty stated on the datasheet - Scales to 20.4 kWh per inverter, or 60 kWh with three cascaded Limitations noted in the review: - Efficiency quoted only as greater than 96.5%, lower than most rivals here - No backup switchover time given - Battery choice limited to EcoFlow PowerOcean packs Sources: - [EcoFlow, PowerOcean (Single-Phase) datasheet for AU (20260515)](https://enterprise-service-us-cdn.ecoflow.com/enterprise/documentation/1782455771261/EcoFlow%20PowerOcean%20(Single%20Phase)_Datasheet%20for%20AU_EN_20260515_online%20(1).pdf) (checked 2026-09-23) ## EcoFlow PowerOcean LFP Battery URL: https://solaranswers.com.au/reviews/batteries/ecoflow-powerocean-lfp-battery Manufacturer documents checked: 2026-09-23 Stackable 5.12 kWh LFP battery pack, 4.8 kWh usable, for EcoFlow PowerOcean single-phase and three-phase hybrid inverters. PowerOcean batteries are 5.12 kWh packs, 4.8 kWh usable at 95% depth of discharge, that stack under an EcoFlow PowerOcean hybrid inverter. A single-phase inverter takes up to four packs, or 19.4 kWh, and EcoFlow's system datasheets allow cascading inverters for up to 60 kWh on single-phase and 90 kWh on three-phase. Each pack adds 3.3 kW of discharge and 2.5 kW of charge power on the battery side, but the inverter sets what reaches your home: 3 to 6 kW for the single-phase models and 6 to 12 kW for three-phase. Two packs (9.7 kWh) sit under the 14 kWh point where the federal discount rate drops, and three packs (14.5 kWh) go just past it. The datasheet notes that depth of discharge can vary in cold weather. EcoFlow's Australian warranty covers the pack for 15 years or 6,000 cycles, whichever comes first, with at least 70% of nominal capacity when used with EcoFlow inverters. One full cycle a day would take about 16 years to reach 6,000 cycles, so at that rate the 15-year term ends first. The system must stay connected to the internet, or cover drops to 5 years after a year offline. The pack is rated IP65 for -20 to 50 C. - Usable capacity: 4.8 kWh - Nominal capacity: 5.12 kWh - Chemistry: LFP - Continuous power: 3.3 kW - Phases: Single-phase or three-phase, with PowerOcean hybrid inverters - Backup: Backup output on the PowerOcean hybrid inverter - Expansion: Up to 4 packs per single-phase inverter (19.4 kWh); cascade to 60 kWh single-phase or 90 kWh three-phase - Warranty: 15 years - Warranty terms: 15 years or 6,000 cycles, whichever comes first, 70% capacity; 5 years if offline for over a year - IP rating: IP65 - Weight: 55.5 kg - Dimensions: 680 x 424 x 183 mm - Operating temperature: -20 to 50 C Advantages noted in the review: - 15-year or 6,000-cycle warranty at 70% capacity - IP65 and a -20 to 50 C operating range - Built-in aerosol fire prevention module - Two packs sit under 14 kWh Limitations noted in the review: - Works only with PowerOcean hybrid inverters - Single-phase inverters cap output at 3 to 6 kW - Warranty cut to 5 years after a year offline Sources: - [EcoFlow, PowerOcean LFP Battery datasheet (June 2026)](https://enterprise-service-us-cdn.ecoflow.com/enterprise/documentation/1784170755163/EcoFlow%20PowerOcean%20Battery_Datasheet_EN_20260623_View.pdf) (checked 2026-09-23) - [EcoFlow, PowerOcean (Single-Phase) datasheet for AU](https://enterprise-service-us-cdn.ecoflow.com/enterprise/documentation/1782455771261/EcoFlow%20PowerOcean%20(Single%20Phase)_Datasheet%20for%20AU_EN_20260515_online%20(1).pdf) (checked 2026-09-23) - [EcoFlow, PowerOcean (Three-Phase) datasheet for AU](https://enterprise-service-us-cdn.ecoflow.com/enterprise/documentation/1778838164290/EcoFlow%20PowerOcean%20(Three-phase)_Datasheet%20for%20AU_EN_20260515_online.pdf) (checked 2026-09-23) - [EcoFlow, limited warranty for home solar battery solutions for Australia V1.2](https://enterprise-service-us-cdn.ecoflow.com/enterprise/documentation/1776416248634/Limited%20Warranty%20for%20Home%20Solar%20Battery%20Solutions%20for%20Australia%20V1.2(3).pdf) (checked 2026-09-23) ## Enphase IQ Battery 5P URL: https://solaranswers.com.au/reviews/batteries/enphase-iq-battery-5p Manufacturer documents checked: 2026-09-23 AC-coupled 5.0 kWh LFP battery with six built-in microinverters, 3.84 kVA continuous per unit and a 15-year or 6,000-cycle warranty. The IQ Battery 5P is AC-coupled, with six microinverters built into each unit, so it does not need a separate battery inverter. The datasheet lists it as compatible with Enphase IQ and S Series microinverters. Each unit supplies 3.84 kVA continuously, with 7.68 kVA for 3 seconds and 6.14 kVA for 10 seconds. That is modest for running several large appliances at once, but power adds up as you add units. Each unit adds 5.0 kWh usable at 100% depth of discharge. Two units make 10 kWh, still under the 14 kWh point where the federal discount rate drops. A third takes you to 15 kWh, so the last 1 kWh earns the discount at a lower rate. The Australian warranty runs 15 years or 6,000 cycles, whichever comes first, with at least 70% of nameplate capacity at year 10 and 60% at year 15. One full cycle a day would take about 16 years to reach 6,000 cycles, so at that rate the 15-year term ends first. Grid-tied and backup operation both need an IQ System Controller 3 INT. - Usable capacity: 5 kWh - Nominal capacity: 5 kWh - Chemistry: LFP - Continuous power: 3.84 kW - Peak power: 7.68 kW - Phases: Single-phase (FlexPhase version: single or three-phase) - Backup: Backup with IQ System Controller 3 INT - Expansion: Add units in 5 kWh steps; Enphase's AU planning guide covers sites up to 50 kWh - Warranty: 15 years - Warranty terms: 15 years or 6,000 cycles, whichever comes first; 70% capacity at year 10, 60% at year 15 - IP rating: IP55 (microinverters IP67) - Weight: 78.9 kg - Dimensions: 550 x 980 x 188 mm - Operating temperature: -20 to 55 C (charging -20 to 50 C) Advantages noted in the review: - 15-year or 6,000-cycle warranty - Built-in microinverters, no separate battery inverter - Small 5 kWh steps, two units stay under 14 kWh - LFP at 100% depth of discharge Limitations noted in the review: - Needs an IQ System Controller 3 INT for grid-tied and backup operation - 3.84 kVA per unit limits large loads unless you add units - Guaranteed capacity falls to 60% by year 15 Sources: - [Enphase, IQ Battery 5P data sheet (Australia and New Zealand)](https://enphase.com/en-au/download/iq-battery-5p-data-sheet) (checked 2026-09-23) - [Enphase, IQ Battery 5P with FlexPhase data sheet (Australia and New Zealand)](https://enphase.com/en-au/download/iq-battery-5p-flexphase-data-sheet) (checked 2026-09-23) - [Enphase, limited warranty for IQ Battery 5P (Australia and New Zealand)](https://enphase.com/en-au/download/2025-06-15-enphase-energy-limited-warranty-5p-batteryanz) (checked 2026-09-23) - [Enphase, Energy System with FlexPhase planning guide (ANZ)](https://enphase.com/en-au/download/enphase-energy-system-flexphase-planning-guide) (checked 2026-09-23) ## Enphase IQ8HC Microinverter URL: https://solaranswers.com.au/reviews/inverters/enphase-iq8hc Manufacturer documents checked: 2026-09-23 Microinverter rated at 380 VA (384 VA maximum) per panel, accepting up to 505 W DC input, with a 25-year limited warranty. The IQ8HC is a microinverter: one unit mounts under each panel and converts its output to AC on the roof. Each unit is rated at 380 VA (384 VA maximum) and accepts up to 505 W of DC input, so output from high-wattage panels above that AC limit is clipped. Because each panel has its own MPPT, shade or different roof faces affect only the panels concerned. The DC side stays at panel voltage, up to 60 V, and the datasheet lists rapid shutdown. System size is set by the number of units: up to 10 on a single-phase 20 A branch circuit, or 36 on a three-phase 25 A circuit. Batteries are AC-coupled with the Enphase IQ Battery 5P, and the system keeps producing in a blackout only when installed with the IQ System Controller 3 INT and IQ Battery 5P. Maximum efficiency is 97.4% and European efficiency 96.8%. The 25-year limited warranty requires an internet-connected IQ Gateway. - Type: Microinverter - Rated AC output: 0.38 kW - Phases: Single-phase units, can be spread across three phases - MPPT trackers: 1 - Max PV input: 0.51 kW - Max efficiency: 97.4% - Backup: Only with IQ System Controller 3 INT and IQ Battery 5P - Compatible batteries: Enphase IQ Battery 5P (AC-coupled) - Warranty: 25 years - IP rating: IP67 - Weight: 1.1 kg Advantages noted in the review: - Panel-level MPPT, so shade or mixed roof faces affect only the panels concerned - Low-voltage DC with rapid shutdown - 25-year limited warranty (with internet-connected IQ Gateway) - IP67 rating Limitations noted in the review: - Output capped at 384 VA per panel, so high-wattage panels are clipped at peak - Backup needs IQ System Controller 3 INT and IQ Battery 5P - Electronics sit on the roof, one unit per panel Sources: - [Enphase, IQ8AC and IQ8HC Microinverters Australia datasheet (DSH-00004-6.0, 2025-08-06)](https://enphase.com/en-au/download/iq8ac-and-iq8hc-microinverters-data-sheet) (checked 2026-09-23) ## ESY Sunhome HM6 URL: https://solaranswers.com.au/reviews/inverters/esy-sunhome-hm6 Manufacturer documents checked: 2026-09-23 Single-phase 6 kW hybrid inverter with 2 MPPTs and 8 kW PV input, designed for 51.2 V low-voltage lithium batteries. The HM6 is a 6 kW single-phase hybrid. Its 8 kW maximum PV input gives about 133% oversizing headroom, less than several hybrids in this guide that accept 150% to 200%. Two MPPTs cover a roof split across two faces, but each is rated for 15 A, close to the 14 A to 15 A operating current of some newer panels. It pairs with a 51.2 V low-voltage lithium battery, charging at up to 100 A and discharging at up to 120 A. The load port is rated at 6 kW with a switching time of 20 ms or less and an overload rating of 120% for 30 seconds. The unit is floor mounted, weighs 36.4 kg and is rated IP66, with a maximum efficiency of 97.8%. ESY states a warranty of 120 months (10 years). - Type: Hybrid - Rated AC output: 6 kW - Phases: Single-phase - MPPT trackers: 2 - Max PV input: 8 kW - Max efficiency: 97.8% - Backup: Load output 6 kW, switching time 20 ms or less - Compatible batteries: 51.2 V low-voltage lithium-ion battery - Warranty: 10 years - IP rating: IP66 - Weight: 36.4 kg Advantages noted in the review: - IP66 rating and 10-year warranty stated - Load output rated to the full 6 kW - Two MPPTs for a two-face roof Limitations noted in the review: - 8 kW PV limit allows less oversizing than many hybrids - 15 A per MPPT is tight for some high-current panels - Floor mounting only, at 36.4 kg Sources: - [ESY Sunhome, HM5 and HM6 AU datasheet (v1.5)](https://www.esysunhome.com/wp-content/uploads/2026/03/ESYSUNHOME-HM5amp6_datasheet_v1.5.pdf) (checked 2026-09-23) ## ESYSUNHOME LV ESS URL: https://solaranswers.com.au/reviews/batteries/esysunhome-lv-ess Manufacturer documents checked: 2026-09-23 51.2 V low-voltage LFP battery stack of 1 to 6 modules, 4.864 to 29.184 kWh usable, with 4.864 kW continuous power at every size. The LV ESS is a 51.2 V stack of 5.12 kWh modules, sold as the 5KWH+ through to the 30KWH+ in one-module steps. Each module gives 4.864 kWh usable at 95% depth of discharge. It pairs with a low-voltage hybrid inverter such as ESYSUNHOME's single-phase HM5 or HM6, which provide the backup output. The datasheet lists 4.864 kW of continuous charge and discharge power for every size, from one module to six. Adding modules adds storage but not power, so even the 30KWH+ delivers under 5 kW from the battery, which limits how many large loads it can run together. The 10KWH+ (9.728 kWh) is the largest size under the 14 kWh point where the federal discount rate drops, and the 15KWH+ (14.592 kWh) goes just past it. The Australian warranty covers 120 months with at least 70% of available capacity, and a throughput limit of 21.5 MWh per 5.12 kWh module, which one full cycle a day would take about 12 years to reach. It also requires the system to stay online, installation within 6 months of production and any expansion within the first year. Charging needs at least 3 C, so check where the battery will sit if your winters get cold. - Usable capacity: 4.86 kWh - Nominal capacity: 5.12 kWh - Chemistry: LFP (IFpP) - Continuous power: 4.86 kW - Phases: Set by the paired 51.2 V inverter (HM5 and HM6 are single-phase) - Backup: Backup output on the ESYSUNHOME HM inverter - Expansion: 1 to 6 modules (4.864 to 29.184 kWh); power stays at 4.864 kW - Warranty: 10 years - Warranty terms: 120 months, 70% capacity, or 21.5 MWh per 5.12 kWh module, whichever comes first - IP rating: IP66 - Weight: 57 kg - Dimensions: 600 x 248 x 305 mm - Operating temperature: -20 to 58 C (charging 3 to 55 C) Advantages noted in the review: - Six sizes in 4.864 kWh steps - IP66 enclosure - Discharges from -20 C Limitations noted in the review: - 4.864 kW continuous at every size, so more modules add no power - Will not charge below 3 C - Expansion allowed only in the first year under the warranty Sources: - [ESYSUNHOME, LV ESS datasheet (Australia) v1.6](https://www.esysunhome.com/wp-content/uploads/2026/03/ESYSUNHOME-LV-ESS_Datasheet_v1.6.pdf) (checked 2026-09-23) - [ESYSUNHOME, HM5 and HM6 hybrid inverter datasheet (Australia) v1.5](https://www.esysunhome.com/wp-content/uploads/2026/03/ESYSUNHOME-HM5amp6_datasheet_v1.5.pdf) (checked 2026-09-23) - [ESYSUNHOME, warranty terms and conditions, single-phase system (Australia)](https://www.esysunhome.com/wp-content/uploads/2026/06/ESYSUNHOME-Warranty-Terms-and-Conditions_Singlephase-System_AU_v4.5.pdf) (checked 2026-09-23) ## Fox ESS EQ4800 URL: https://solaranswers.com.au/reviews/batteries/fox-ess-eq4800 Manufacturer documents checked: 2026-09-23 High-voltage LFP battery stack of 2 to 9 modules of 4.66 kWh, 9.32 to 41.93 kWh usable, for Fox ESS single-phase and three-phase hybrids. The EQ4800 is a high-voltage stack of 4.66 kWh modules: one EQ4800-M with the battery management system plus one to eight EQ4800-S, for 9.32 to 41.93 kWh usable at 100% depth of discharge. It pairs with Fox ESS hybrid inverters, which provide the backup (EPS) output. Fox's compatibility list allows two modules with the H1-G2 and KH single-phase ranges, three with the H3 Smart and four with the H3 Pro three-phase inverters. Nominal power rises with the stack, from 4.48 kW for the two-module L2 to 20.16 kW for the nine-module L9, within the paired inverter's own limit. The L2 (9.32 kWh) and L3 (13.98 kWh) sit under the 14 kWh point where the federal discount rate drops, and the L4 and larger go past it. The Australian warranty covers 10 years with at least 70% of energy retained, or 19.66 MWh of throughput per module, whichever comes first. One full cycle a day would take about 11 and a half years to reach that figure, so at that rate the 10-year term ends first. The battery must be registered and connected to Fox ESS monitoring at commissioning, and it does not charge below 0 C. - Usable capacity: 9.32 kWh - Nominal capacity: 9.32 kWh - Chemistry: LFP - Continuous power: 4.48 kW - Phases: Single-phase (H1-G2, KH) or three-phase (H3 Smart, H3 Pro) Fox ESS inverters - Backup: EPS backup output on the Fox ESS hybrid inverter - Expansion: 2 to 9 modules in series (9.32 to 41.93 kWh) - Warranty: 10 years - Warranty terms: 10 years, 70% energy, or 19.66 MWh per module (39.32 MWh for the L2), whichever comes first - IP rating: IP65 - Weight: 83.5 kg - Dimensions: 570 x 386 x 380 mm - Operating temperature: -10 to 55 C (charging 0 to 55 C) Advantages noted in the review: - Wide range from 9.32 to 41.93 kWh in one stack - Power rises with stack size, up to 20.16 kW - Throughput limit outlasts 10 years at one full cycle a day - Two sizes sit under 14 kWh Limitations noted in the review: - Two-module minimum, and three-phase inverters need three or four - Does not charge below 0 C - Warranty needs registration and a monitoring connection Sources: - [Fox ESS, EQ4800 datasheet (AU) V1.3](https://au.fox-ess.com/Public/Uploads/uploadfile/files/20260828/ENEQ4800DatasheetAUV1.320260820.pdf) (checked 2026-09-23) - [Fox ESS, EQ4800 inverter compatibility list](https://au.fox-ess.com/Public/Uploads/uploadfile/files/20260721/EQ4800InverterCompatibilityList20260319.pdf) (checked 2026-09-23) - [Fox ESS, HV battery warranty policy for Australia and New Zealand V2.7](https://au.fox-ess.com/Public/Uploads/uploadfile/files/20260611/AUBATTERYWARRANTYV2.7.pdf) (checked 2026-09-23) ## Fronius Primo GEN24 5.0 Plus URL: https://solaranswers.com.au/reviews/inverters/fronius-primo-gen24-5-plus Manufacturer documents checked: 2026-09-23 Single-phase 5 kW hybrid inverter with 2 MPPTs, 7.5 kWp PV input and PV Point or Full Backup options. Range covers 3 to 10 kW. The Primo GEN24 5.0 Plus is a 5 kW single-phase hybrid. The non-Plus GEN24 is the same platform without the battery connection, which Fronius says can be added later through its UP.storage software upgrade in selected countries. The 7.5 kWp maximum PV generator output is 150% of the AC rating, less headroom than hybrids that accept 200%. Two MPPTs cover a two-face roof, with the first rated for 22 A and the second for 12 A, so the larger string should go on the first input. Compatible batteries listed are Fronius Reserva and BYD Battery-Box Premium HVS and HVM. Backup comes in two forms. PV Point is built in and provides a separate 3 kVA output with a switching time under 15 seconds. Full Backup covers up to 5 kVA with a switching time of about 10 seconds, but needs additional switchover components. Fronius Australia offers a 10-year warranty when the inverter is registered free on Solar.web. - Type: Hybrid - Rated AC output: 5 kW - Phases: Single-phase - MPPT trackers: 2 - Max PV input: 7.5 kW - Max efficiency: 97.6% - Backup: PV Point 3 kVA backup output built in; Full Backup (5 kVA) needs extra switchover components - Compatible batteries: Fronius Reserva, BYD Battery-Box Premium HVS/HVM - Warranty: 10 years - IP rating: IP66 - Weight: 15.4 kg Advantages noted in the review: - Built-in PV Point backup output without extra hardware - Two MPPTs, with 22 A on the first - IP66 with active cooling, rated for -40 to +60 °C - 10-year warranty with free Solar.web registration Limitations noted in the review: - 150% PV oversizing limit (7.5 kWp on 5 kW) - Backup switch times are in seconds, not milliseconds - Full Backup needs additional switchover components Sources: - [Fronius, Primo GEN24 and GEN24 Plus 3.0 to 10.0 kW datasheet (AUS)](https://www.fronius.com/en/~/downloads/Solar%20Energy/Datasheets/SE_DS_Fronius_Primo_GEN24_GEN24Plus_3_to_10_kW_EN_AUS.pdf) (checked 2026-09-23) - [Fronius Australia, warranty models](https://www.fronius.com/en-au/australia/solar-energy/installers-partners/service-support/warranty-models) (checked 2026-09-23) ## Fronius Reserva URL: https://solaranswers.com.au/reviews/batteries/fronius-reserva Manufacturer documents checked: 2026-09-23 High-voltage LFP battery tower of 2 to 5 modules, 6.31 to 15.79 kWh usable, for Fronius GEN24 Plus and Verto Plus hybrid inverters. The Reserva is Fronius's own high-voltage battery for its GEN24 Plus and Verto Plus hybrid inverters, built from 3.15 kWh modules in towers of two to five. Usable capacity runs from 6.31 kWh for the Reserva 6.3 to 15.79 kWh for the Reserva 15.8, at 94.5% depth of discharge, and maximum charge and discharge power rises with the tower, from 6.55 kW to 16.38 kW. The 6.3, 9.5 and 12.6 sit under the 14 kWh point where the federal discount rate drops, and the 15.8 goes 1.79 kWh past it. Up to four towers can run in parallel, but the datasheet caps total current at 32 A, so extra towers add storage without adding power beyond the 15.8's 16.38 kW. The Australian warranty covers 10 years with 70% state of health, or a throughput limit that scales with size, whichever comes first. At one full cycle a day the limit arrives in about eight and a half years for every size. The warranty period starts six months after Fronius first delivers the battery, not on your install date, and backup needs the Fronius Backup Controller. - Usable capacity: 6.31 kWh - Nominal capacity: 6.68 kWh - Chemistry: LFP - Continuous power: 6.55 kW - Phases: Set by the Fronius inverter (Primo GEN24 Plus, Symo GEN24 Plus, Verto Plus) - Backup: Full backup with the Fronius Backup Controller - Expansion: 2 to 5 modules per tower (6.31 to 15.79 kWh); up to 4 towers, output capped at 32 A - Warranty: 10 years - Warranty terms: 10 years, 70% state of health, or 19.57 MWh for the 6.3 (48.93 MWh for the 15.8), whichever comes first - IP rating: IP65 - Weight: 86.5 kg - Dimensions: 772 x 890 x 176 mm - Operating temperature: -20 to 55 C Advantages noted in the review: - Power rises with tower size, up to 16.38 kW - Three sizes sit under 14 kWh - IP65 and a -20 to 55 C ambient range Limitations noted in the review: - Works only with Fronius GEN24 Plus and Verto Plus inverters - Warranty clock starts six months after Fronius delivery - Throughput limit is reached in about eight and a half years at one cycle a day Sources: - [Fronius, Reserva datasheet (EN_AUS V07 Aug 2026)](https://www.fronius.com/en/~/downloads/Solar%20Energy/Datasheets/SE_Product_Documents_Datasheet_Fronius_Reserva_EN-AUS_EN-English.pdf) (checked 2026-09-23) - [Fronius, international limited warranty conditions for batteries (EN_0226)](https://www.fronius.com/en/~/downloads/Solar%20Energy/Terms%20of%20Warranties/SE_ToW_Battery_EN.pdf) (checked 2026-09-23) ## GoodWe ESA 5 kW Single-Phase URL: https://solaranswers.com.au/reviews/inverters/goodwe-esa-gw5k-eha-g20 Manufacturer documents checked: 2026-09-23 Single-phase 5 kW hybrid power module for GoodWe's ESA all-in-one system, with 2 MPPTs, 10 kW PV input and a 63 A backup bypass. The ESA power module is GoodWe's 5 kW single-phase hybrid in its all-in-one ESA system. It accepts 10 kW of PV, 200% of the AC rating, across two MPPTs rated for 20 A each, which suits current high-power panels and a two-face roof. Backup is well specified on the datasheet: a 63 A internal bypass is designed for whole-home backup without a separate gateway, with switchover under 4 ms. Battery-powered backup output is 5 kVA, or 10 kVA for 10 seconds. The power module is sold as part of the ESA system with GoodWe's stackable 5 kWh and 8 kWh battery modules, so plan for a GoodWe battery from the start. Maximum efficiency is 97.6%. The AU datasheet does not state a warranty term, so check GoodWe's warranty document before you buy. - Type: Hybrid - Rated AC output: 5 kW - Phases: Single-phase - MPPT trackers: 2 - Max PV input: 10 kW - Max efficiency: 97.6% - Backup: Whole-home backup via 63 A internal bypass, switchover under 4 ms - Compatible batteries: GoodWe ESA battery modules (5 kWh and 8 kWh), up to 48 kWh per stack - IP rating: IP66 - Weight: 24 kg Advantages noted in the review: - 200% PV oversizing (10 kW on 5 kW AC) - 20 A per MPPT suits high-current panels - 63 A bypass designed for whole-home backup without a gateway - Switchover to backup under 4 ms Limitations noted in the review: - No warranty term on the AU datasheet - Tied to GoodWe ESA battery modules Sources: - [GoodWe, ESA Series 3-10 kW single-phase datasheet (AU, V2.1)](https://en.goodwe.com/Ftp/EN/Downloads/Datasheet/GW_ESA-3-10kW_Datasheet-AU.pdf) (checked 2026-09-23) ## GoodWe ESA Series URL: https://solaranswers.com.au/reviews/batteries/goodwe-esa-series Manufacturer documents checked: 2026-09-23 All-in-one hybrid inverter and stackable LFP battery, single-phase or three-phase, with 8.0 kWh usable per GW8.3 module and whole-home backup. The ESA is GoodWe's all-in-one system: a power module holding the hybrid inverter, with battery modules stacked beneath it. This page covers the 8.32 kWh GW8.3-BAT-D-G20 module, 8.0 kWh usable, and the same stack can also take 5.1, 6.0 and 9.0 kWh modules. Power modules come in single-phase (3 to 10 kW) and three-phase (5 to 30 kW) versions, and GoodWe says both support whole-home backup through a built-in bypass without a separate gateway. Each GW8.3 module is rated at up to 8 kW of charge and discharge power, with 12 kW for 10 seconds, and the power module sets what reaches your home. One module sits under the 14 kWh point where the federal discount rate drops. Two make 16.0 kWh, so the part above 14 kWh earns the discount at a lower rate, while a 5.1 and an 8.3 module together give 13.0 kWh, just under it. GoodWe's Australian warranty for the single-phase ESA covers the GW8.3 module for 10 years, with 70% of usable energy or 29.20 MWh of throughput, whichever comes first. That is 3,650 full cycles, or one a day for 10 years, and the performance cover applies to the cells only. The module has built-in heating, is rated IP66 and charges from -18 C. - Usable capacity: 8 kWh - Nominal capacity: 8.32 kWh - Chemistry: LFP - Continuous power: 8 kW - Peak power: 12 kW - Phases: Single-phase (3 to 10 kW) or three-phase (5 to 30 kW) power modules - Backup: Whole-home backup through the power module, no gateway needed - Expansion: Mix 5, 6, 8 and 9 kWh modules; up to 12 modules (108 kWh) per three-phase system - Warranty: 10 years - Warranty terms: 10 years, 70% usable energy, or 29.20 MWh per GW8.3 module, whichever comes first (single-phase ESA warranty) - IP rating: IP66 - Weight: 79 kg - Dimensions: 800 x 326 x 270 mm - Operating temperature: -20 to 55 C (charging -18 to 55 C) Advantages noted in the review: - Inverter and battery in one stack, single-phase or three-phase - Whole-home backup without a separate gateway - 8 kW per module, 12 kW for 10 seconds - Built-in heating, charges from -18 C Limitations noted in the review: - Performance warranty covers the cells only, sized for one cycle a day - Two 8.3 modules pass 14 kWh, where the discount rate drops - Published battery warranty covers the single-phase ESA only Sources: - [GoodWe, ESA Series 3-10kW single-phase datasheet (AU)](https://en.goodwe.com/Ftp/EN/Downloads/Datasheet/GW_ESA-3-10kW_Datasheet-AU.pdf) (checked 2026-09-23) - [GoodWe, ESA Series 5-30kW three-phase datasheet (AU)](https://en.goodwe.com/Ftp/EN/Downloads/Datasheet/GW_ESA-5-30kW_Datasheet-AU.pdf) (checked 2026-09-23) - [GoodWe, limited warranty for ESA (3-10kW) residential all-in-one system, Australia and New Zealand, Rev 1.0](https://www.goodwe.com.au/Ftp/Downloads/Warranty/GOODWE%20Limited%20Warranty%20for%20ESA%203-10kW-AU_NZ.pdf) (checked 2026-09-23) ## Growatt APX HV Battery URL: https://solaranswers.com.au/reviews/batteries/growatt-apx-hv-battery Manufacturer documents checked: 2026-09-23 High-voltage LFP battery of 1 to 6 stacked 5 kWh modules on a power module, in single-phase (S0) and three-phase (S2) versions. The APX is a high-voltage stack of 5 kWh modules on a power module, sold in two versions: the S0 for Growatt's single-phase MIN XH inverters and the S2 for its three-phase MOD and MID inverters. Both take one to six modules, for 5 to 30 kWh. Power depends on the version and the stack size. One module gives 2.5 kW, with 4 kW for 60 seconds. On the single-phase S0 the power module caps charge and discharge at 6.2 kW from three modules up, while on the three-phase S2 power rises by 2.5 kW per module to 15 kW with six. The inverter can set a lower limit again. The AU datasheets list 5 kWh per module at 100% depth of discharge but do not print a separate usable figure, and usable capacity is what the federal discount counts, so check the usable kWh on your quote. Two modules make 10 kWh, under the 14 kWh point where the discount rate drops, and three make 15 kWh. The warranty is 10 years, and the operating range is -10 to 50 C. - Nominal capacity: 5 kWh - Chemistry: LFP - Continuous power: 2.5 kW - Peak power: 4 kW - Phases: Single-phase (S0, MIN XH inverters) or three-phase (S2, MOD and MID inverters) - Backup: Set by the paired Growatt hybrid inverter - Expansion: 1 to 6 modules (5 to 30 kWh); S0 power caps at 6.2 kW, S2 at 15 kW - Warranty: 10 years - Warranty terms: 10 years - IP rating: IP66 - Weight: 50 kg - Dimensions: 690 x 295 x 185 mm - Operating temperature: -10 to 50 C Advantages noted in the review: - Three-phase S2 version scales to 15 kW with six modules - 5 kWh steps from 5 to 30 kWh - IP66, wall or floor mounting Limitations noted in the review: - Single-phase S0 caps at 6.2 kW whatever the stack size - No separate usable capacity figure on the AU datasheet - Compatible inverter list is limited to Growatt models Sources: - [Growatt, APX HV Battery S0 AU datasheet (202603)](https://au.growatt.com/upload/file/APX_HV_Battery-S0_AU_Datasheet_202603.pdf) (checked 2026-09-23) - [Growatt, APX HV Battery S2 AU datasheet (202603)](https://au.growatt.com/upload/file/APX_HV_Battery-S2_AU_Datasheet_202603.pdf) (checked 2026-09-23) ## Growatt SPM 10000TL-HU URL: https://solaranswers.com.au/reviews/inverters/growatt-spm-10000tl-hu Manufacturer documents checked: 2026-09-23 Single-phase 9.999 kW low-voltage hybrid inverter with 3 MPPTs and 20 kW PV input, for Growatt ALP 48 V batteries. The SPM 10000TL-HU is a single-phase hybrid rated at 9,999 W, sized for larger homes or households planning for extra load such as an EV. Its 20 kW recommended PV input, a 2.0 DC/AC ratio, leaves room to grow the array, and three MPPTs, one of them rated for 32 A with two strings, help on roofs with several faces. Unlike most hybrids here it uses a 48 V low-voltage battery, Growatt's ALP 5.0L series, with charge and discharge up to 9,999 W at 200 A. Off-grid output matches the 9,999 W rating with a switch time under 10 ms, and up to six units can run in parallel. Peak efficiency is 98.1%. It weighs 42.5 kg and uses fan-assisted cooling with typical noise of up to 60 dB(A), so think about where it is mounted. Growatt states a 10-year warranty. - Type: Hybrid - Rated AC output: 10 kW - Phases: Single-phase - MPPT trackers: 3 - Max PV input: 20 kW - Max efficiency: 98.1% - Backup: Off-grid output 9.999 kW, switch time under 10 ms - Compatible batteries: Growatt ALP LV battery (ALP 5.0L-E1 / ALP 5.0L-E2), 48 V - Warranty: 10 years - IP rating: IP65 - Weight: 42.5 kg Advantages noted in the review: - 20 kW PV input on a 9.999 kW AC rating - Three MPPTs, one sized for 32 A - Full-rated off-grid output with under 10 ms switching - 10-year warranty stated Limitations noted in the review: - Typical noise up to 60 dB(A) with fan cooling - Limited to Growatt's 48 V ALP batteries - Heavy at 42.5 kg Sources: - [Growatt Australia, SPM 8000-10000TL-HU AU datasheet (202601)](https://au.growatt.com/upload/file/SPM_8000-10000TL-HU_Datasheet_AU_202601.pdf) (checked 2026-09-23) ## Huawei LUNA2000-S0 URL: https://solaranswers.com.au/reviews/batteries/huawei-luna2000-s0 Manufacturer documents checked: 2026-09-23 LFP battery of 1 to 3 stacked 5 kWh modules on a power module, 5 to 15 kWh usable, for Huawei SUN2000 single-phase and three-phase inverters. The LUNA2000-S0 stacks one to three 5 kWh LFP modules on a power module, for 5, 10 or 15 kWh usable at 100% depth of discharge. It connects to Huawei's SUN2000 inverters in single-phase or three-phase homes, and the datasheet says the system scales to 30 kWh. Output tops out early. The 5 kWh version gives 2.5 kW, with 3.5 kW for 10 seconds, while the 10 and 15 kWh versions both stop at 5 kW, with 7 kW for 10 seconds, so the third module adds storage but not power. The 10 kWh version sits under the 14 kWh point where the federal discount rate drops, and the 15 kWh version goes 1 kWh past it. With the SUN2000-L1 and M1 inverters, backup needs a separate Huawei Backup Box, which supplies a single-phase backup circuit of up to 5,000 VA with a single-phase inverter or 3,300 VA with a three-phase one, and takes up to 3 seconds to switch over. The Australian warranty is 10 years or 16.45 MWh per 5 kWh module, whichever comes first, measured against 60% capacity at end of life, a lower figure than the 70% common on other warranties. At one full cycle a day the throughput limit arrives in about nine years. - Usable capacity: 5 kWh - Chemistry: LFP - Continuous power: 2.5 kW - Peak power: 3.5 kW - Phases: Single-phase and three-phase Huawei SUN2000 inverters - Backup: Backup Box with SUN2000-L1 and M1 inverters; switchover under 3 seconds - Expansion: 1 to 3 modules per power module (5 to 15 kWh); scalable to 30 kWh - Warranty: 10 years - Warranty terms: 10 years or 16.45 MWh per 5 kWh module, whichever comes first, 60% capacity at end of life - IP rating: IP66 - Weight: 63.8 kg - Dimensions: 670 x 600 x 150 mm - Operating temperature: -20 to 55 C Advantages noted in the review: - Works with both single-phase and three-phase SUN2000 inverters - IP66 and a -20 to 55 C operating range - 10 kWh version sits under 14 kWh Limitations noted in the review: - Output stops at 5 kW for the 10 and 15 kWh versions - Backup with L1 and M1 inverters needs a Backup Box, with up to a 3 second switchover - Warranty measured against 60% end-of-life capacity Sources: - [Huawei, LUNA2000-5/10/15-S0 datasheet (01-202411)](https://solar.huawei.com/download?p=%2F-%2Fmedia%2FSolar%2Fattachment%2Fpdf%2Feu%2Fdatasheet%2FLUNA2000-5_10_15-S0.pdf) (checked 2026-09-23) - [Huawei Australia, LUNA2000-5/10/15-S0 specifications page](https://solar.huawei.com/au/products/luna2000-5-10-15-s0/specs/) (checked 2026-09-23) - [Huawei Australia, SUN2000 inverter and LUNA2000 warranty and service conditions](https://solar.huawei.com/-/media/SolarV4/solar-version2/asia-pacific/au/service-support/warranty/warranty3/item5/huawei-sun2000-inverter-warranty-and-service-condition-australia-20240527.pdf) (checked 2026-09-23) - [Huawei, Backup Box-B0/B1 datasheet](https://solar.huawei.com/-/media/Solar/attachment/pdf/eu/datasheet/backup-box-b0_b1-nz-20230202.pdf) (checked 2026-09-23) ## Huawei SUN2000-5KTL-L1 URL: https://solaranswers.com.au/reviews/inverters/huawei-sun2000-5ktl-l1 Manufacturer documents checked: 2026-09-23 Single-phase 5 kW class inverter (4.991 kW) with 2 MPPTs, 7.5 kWp recommended PV and a battery input for Huawei Smart ESS batteries. The SUN2000-5KTL-L1 is a single-phase inverter rated at 4,991 W under AS/NZS 4777.2, with 2 kW to 6 kW siblings on the same datasheet. It is battery ready: the DC battery input works with Huawei Smart ESS batteries from 5 kWh to 30 kWh, charging at up to 5 kW, or 2.5 kW with a single 5 kWh battery. Huawei recommends up to 7.5 kWp of PV, 150% of the AC rating, over two MPPTs rated for 12.5 A each. That current limit is below the operating current of several panels in this guide (about 13.4 A to 15 A at maximum power), so check the panel pairing, or Huawei's optional optimisers, with your installer. Backup is not built in and needs a separate Huawei Backup Box. Peak efficiency is 98.4% and European efficiency 97.8%, and the unit weighs 12 kg with an IP65 rating. Huawei's Australian warranty conditions list 120 months (10 years) for SUN2000 series inverters. - Type: Hybrid - Rated AC output: 4.99 kW - Phases: Single-phase - MPPT trackers: 2 - Max PV input: 7.5 kW - Max efficiency: 98.4% - Backup: Backup via a separate Huawei Backup Box - Compatible batteries: Huawei Smart ESS battery (LUNA2000), 5 to 30 kWh - Warranty: 10 years - IP rating: IP65 - Weight: 12 kg Advantages noted in the review: - Battery input for Huawei Smart ESS batteries (5 to 30 kWh) - 98.4% peak efficiency - Light at 12 kg - Works with Huawei panel optimisers Limitations noted in the review: - 12.5 A per MPPT is below the operating current of several panels in this guide - Backup needs a separate Backup Box - 150% PV oversizing limit Sources: - [Huawei Australia, FusionSolar Residential and Commercial datasheet (SUN2000-2/3/4/4.6/5/6KTL-L1)](https://solar.huawei.com/-/media/Solar/attachment/pdf/au/datasheet/FusionSolar_Residential_Commercial_Datasheet.pdf) (checked 2026-09-23) - [Huawei Australia, SUN2000 inverter warranty and service conditions (20240527)](https://solar.huawei.com/-/media/SolarV4/solar-version2/asia-pacific/au/service-support/warranty/warranty3/item5/huawei-sun2000-inverter-warranty-and-service-condition-australia-20240527.pdf) (checked 2026-09-23) ## JA Solar DeepBlue 4.0 Pro 475 W URL: https://solaranswers.com.au/reviews/solar-panels/ja-solar-deepblue-4-pro-475 Manufacturer documents checked: 2026-09-23 N-type double-glass monofacial panel at 475 W and 23.8% efficiency, 22 kg. The JAM54D40 LR series runs 450 to 475 W. The JAM54D40-475/LR is the top of JA Solar's 450 W to 475 W DeepBlue 4.0 Pro double-glass series, at 23.8% efficiency in the common 1762 x 1134 mm size. Front and back are 1.6 mm glass, and it weighs 22 kg. The temperature coefficient is -0.29%/°C, in line with other N-type panels here. Operating current at maximum power is 13.90 A, a little lower than some rivals of the same size, which gives more margin on inverters with lower MPPT current limits. Power tolerance is -5 W to +10 W, so a panel may be up to 5 W below its label. The power warranty is 30 years, with 87.4% of output guaranteed at the end, based on 1% loss in year one and 0.4% a year after. The product warranty is 15 years, shorter than the 25 years offered on several panels in this guide. - Power: 475 W - Module efficiency: 23.8% - Cell type: N-type (Bycium+) mono, 108 half cells, monofacial double glass - Temperature coefficient: -0.29% per °C - Product warranty: 15 years - Performance warranty: 30 years - Output at end of warranty: 87.4% after 30 years - Dimensions: 1762 x 1134 x 30 mm - Weight: 22 kg Advantages noted in the review: - 23.8% efficiency at 475 W - Double glass at 22 kg - 30-year power warranty to 87.4% - Lower operating current (13.90 A) than some same-size rivals Limitations noted in the review: - 15-year product warranty, shorter than several rivals - Power tolerance of -5 W to +10 W Sources: - [JA Solar, JAM54D40 450-475 LR datasheet (Global-EN-20250711A)](https://www.jasolar.com/uploadfile/fujian/2025/0718/cf64c1ba049abeb.pdf) (checked 2026-09-23) ## Jinko Tiger Neo 460 W URL: https://solaranswers.com.au/reviews/solar-panels/jinko-tiger-neo-460 Manufacturer documents checked: 2026-09-23 All-black N-type dual-glass panel at 460 W and 23.02% efficiency, with a 25-year product warranty. The 48HL4M-DB series runs 450 to 475 W. This is the 460 W bin of Jinko's Tiger Neo 48HL4M-DB, an all-black, dual-glass panel listed in Australia from 450 W to 475 W. Efficiency is 23.02% at 460 W, rising to 23.77% for the 475 W bin, in the common 1762 x 1134 mm size. Operating current is 14.98 A at maximum power, among the highest in this guide, so the inverter's MPPT current rating matters. The temperature coefficient is -0.29%/°C, and the panel is certified to 5400 Pa front and 2400 Pa rear test loads. The warranties are 25 years on the product and 30 years on power, with 87.4% of output guaranteed at year 30. Power sorting is -5 W to +15 W, so a panel may be up to 5 W below its label. - Power: 460 W - Module efficiency: 23.02% - Cell type: N-type monocrystalline (HOT 3.0), 96 cells, monofacial dual glass - Temperature coefficient: -0.29% per °C - Product warranty: 25 years - Performance warranty: 30 years - Output at end of warranty: 87.4% after 30 years - Dimensions: 1762 x 1134 x 30 mm - Weight: 21.5 kg Advantages noted in the review: - 25-year product and 30-year power warranty - Dual glass at 21.5 kg - All-black finish - Australian edition of the datasheet Limitations noted in the review: - High operating current (14.98 A) needs inverter MPPT headroom - Power sorting of -5 W to +15 W allows panels up to 5 W below label Sources: - [Jinko Solar Australia, Tiger Neo JKM450-475N-48HL4M-DB datasheet](https://jinkosolar.com.au/wp-content/uploads/2026/06/JKM450-475N-48HL4M-DB-Z3-OC-FF.pdf) (checked 2026-09-23) ## Kstar BlueSpark BP48100PF1A-G2 URL: https://solaranswers.com.au/reviews/batteries/kstar-bluespark-bp48100pf1a-g2 Manufacturer documents checked: 2026-09-23 51.2 V low-voltage LFP battery module with 5.01 kWh usable, stacking from one to eight modules for 5.01 to 40.14 kWh. The BP48100PF1A-G2 is a 51.2 V low-voltage LFP module that stacks from one to eight units, each giving 5.01 kWh usable at 98% depth of discharge. It needs a separate 48 V hybrid inverter, and that inverter sets the phase, the backup arrangement and the output to your home. One module is rated at 4.096 kW of charge and discharge power and two at 8.192 kW. From three modules up, the stack is capped at 12.288 kW. The two-module stack (10.03 kWh) sits under the 14 kWh point where the federal discount rate drops, and the three-module stack (15.05 kWh) goes just past it. Compare these figures with the kWh your home uses after sunset. The datasheet lists a 10-year warranty but no throughput or end-of-warranty capacity figure, so ask for the warranty terms with your quote. It charges and discharges from -10 to 50 C and is rated IP65 for indoor or outdoor installation. - Usable capacity: 5.01 kWh - Nominal capacity: 5.12 kWh - Chemistry: LFP - Continuous power: 4.1 kW - Phases: Set by the paired 48 V hybrid inverter - Backup: Set by the paired inverter - Expansion: Up to 8 modules (40.14 kWh); stack power rises to 12.288 kW from 3 modules - Warranty: 10 years - Warranty terms: 10 years - IP rating: IP65 - Weight: 50.5 kg - Dimensions: 725 x 465.5 x 245 mm - Operating temperature: -10 to 50 C Advantages noted in the review: - 5 kWh steps from 5.01 to 40.14 kWh - Stack power up to 12.288 kW from three modules - Charges and discharges from -10 C Limitations noted in the review: - Needs a separate 48 V hybrid inverter - No throughput or end capacity figure on the datasheet - Three or more modules pass 14 kWh, where the discount rate drops Sources: - [Kstar, BP48100PF1A-G2 (2P to 8P) datasheet AU V4](https://www.kstarnewenergy.com/DOWNLOADS/Datasheet_BP48100PF1A-G2(2P~8P)_AU_V4.pdf) (checked 2026-09-23) ## KSTAR BlueSpark E5KS-D22 URL: https://solaranswers.com.au/reviews/inverters/kstar-bluespark-e5ks-d22 Manufacturer documents checked: 2026-09-23 Single-phase 5 kW hybrid inverter with 2 MPPTs, 10 kW recommended PV and 48 V LFP battery input, with a 10-year warranty. The E5KS-D22 is a 5 kW single-phase hybrid from KSTAR's BlueSpark range, a common size for a typical home. KSTAR recommends up to 10 kW of PV, double the AC rating, spread over two MPPTs rated for 20 A each, which suits high-current panels and a two-face roof. It uses a 48 V low-voltage LFP battery with rated charge and discharge of 5,000 W and 5,400 W. Backup output is 5 kVA, though no switchover time is given, and up to four units can be paralleled for on-grid and off-grid use. Peak PV efficiency is 97.2% and European efficiency 96.4%. AFCI arc-fault protection is listed as optional rather than standard, so ask whether it is included. KSTAR states a 10-year warranty and an IP66 rating. - Type: Hybrid - Rated AC output: 5 kW - Phases: Single-phase - MPPT trackers: 2 - Max PV input: 10 kW - Max efficiency: 97.2% - Backup: Backup output 5 kVA; switchover time not stated - Compatible batteries: 48 V low-voltage LFP battery - Warranty: 10 years - IP rating: IP66 - Weight: 25.5 kg Advantages noted in the review: - 200% PV headroom (10 kW on 5 kW AC) - 20 A per MPPT - IP66 and 10-year warranty stated - Up to four units in parallel Limitations noted in the review: - AFCI arc-fault protection is optional, not standard - No backup switchover time on the datasheet - Needs a 48 V LFP battery; the datasheet does not list approved models Sources: - [KSTAR, BlueSpark E(3.68~5)KS-D22 AU datasheet (V5)](https://www.kstarnewenergy.com/DOWNLOADS/Datasheet_E(3.68~5)KS-D22_AU_V5.pdf) (checked 2026-09-23) ## LG Energy Solution RESU Prime URL: https://solaranswers.com.au/reviews/batteries/lg-energy-solution-resu-prime Manufacturer documents checked: 2026-09-23 High-voltage lithium-ion battery in two fixed sizes, 9.6 kWh usable at 5 kW or 16.0 kWh at 7 kW, with up to two units in parallel. RESU Prime comes in two fixed sizes rather than stackable modules. The RESU10H Prime gives 9.6 kWh usable and 5 kW, with 7 kW for 10 seconds when discharging. The RESU16H Prime gives 16.0 kWh and 7 kW, with 11 kW for 10 seconds. Up to two of the same model can run in parallel, for 19.2 kWh and 10 kW, or 32.0 kWh and 14 kW. The 10H sits under the 14 kWh point where the federal discount rate drops. The 16H goes 2 kWh past it, and that part earns the discount at a lower rate. It is a high-voltage battery that needs an inverter from LG's Australian compatibility list, so check your inverter is on it before you choose. The warranty covers 10 years with 70% energy retention, or 32 MWh for the 10H and 54 MWh for the 16H, whichever comes first. At one full cycle a day both reach their throughput limit a little after nine years. The spec sheets say lithium-ion without naming the cell type, and the warranty drops to at least five years if the battery is not registered or connected to LG's monitoring. - Usable capacity: 9.6 kWh - Nominal capacity: 9.87 kWh - Chemistry: Lithium-ion - Continuous power: 5 kW - Peak power: 7 kW - Phases: Set by the compatible inverter - Backup: Set by the compatible inverter - Expansion: RESU16H Prime: 16.0 kWh, 7 kW; up to 2 of the same model in parallel - Warranty: 10 years - Warranty terms: 10 years, 70% energy retention, or 32 MWh (10H) / 54 MWh (16H), whichever comes first - IP rating: IP55 - Weight: 111 kg - Dimensions: 504 x 817 x 295 mm - Operating temperature: -20 to 50 C (charging -10 to 50 C) Advantages noted in the review: - RESU16H Prime gives 11 kW for 10 seconds - RESU10H Prime sits under 14 kWh - Charges from -10 C and discharges from -20 C Limitations noted in the review: - Needs an inverter from LG's Australian compatibility list - Only two sizes, and at most two units in parallel - Cell type not stated; warranty cut to five years without monitoring Sources: - [LG Energy Solution, RESU10H Prime product specification Ver1.8](https://www.lgessbattery.com/ImageServlet?imgPath=20240712133535973%5B20240712133535973%5D.pdf&imageType=PRODUCT) (checked 2026-09-23) - [LG Energy Solution, RESU16H Prime product specification REV 4.3](https://www.lgessbattery.com/ImageServlet?imgPath=20240712133552240%5B20240712133552240%5D.pdf&imageType=PRODUCT) (checked 2026-09-23) - [LG Energy Solution, limited warranty for Prime home battery (Australia)](https://www.lgessbattery.com/ImageServlet?imgPath=20231214143912551%5B20231214143912551%5D.pdf&imageType=PRODUCT) (checked 2026-09-23) - [LG Energy Solution Australia, home battery product page](https://www.lgessbattery.com/au/home-battery/product-info.lg) (checked 2026-09-23) ## LONGi Hi-MO X10 Explorer 475 W URL: https://solaranswers.com.au/reviews/solar-panels/longi-hi-mo-x10-explorer-475 Manufacturer documents checked: 2026-09-23 Back-contact (BC) panel at 475 W and 23.3% efficiency with a -0.26%/°C temperature coefficient. The series runs 475 to 490 W. The Hi-MO X10 Explorer 475 W is the entry bin of LONGi's 475 W to 490 W back-contact series, at 23.3% efficiency; the 490 W top bin reaches 24.0%. Back-contact cells place the electrical contacts on the rear of the cell. Its -0.26%/°C temperature coefficient is among the lowest in this guide, meaning less power lost per degree of cell heating than panels rated at -0.29%/°C. The power warranty guarantees 88.85% after 30 years, based on under 1% loss in year one and 0.35% a year after. Power tolerance is 0 to +3%. At 1800 mm long it is 38 mm longer than the common 1762 mm size, which can matter on tight roof layouts. It is a single-glass panel with 3.2 mm front glass and weighs 21.6 kg. The product warranty is 15 years, shorter than several panels here. - Power: 475 W - Module efficiency: 23.3% - Cell type: Back contact (BC) monocrystalline, 108 cells, single glass - Temperature coefficient: -0.26% per °C - Product warranty: 15 years - Performance warranty: 30 years - Output at end of warranty: 88.85% after 30 years - Dimensions: 1800 x 1134 x 30 mm - Weight: 21.6 kg Advantages noted in the review: - -0.26%/°C temperature coefficient - 88.85% power guaranteed after 30 years - Positive-only power tolerance (0 to +3%) Limitations noted in the review: - 1800 mm length differs from the common 1762 mm size - 15-year product warranty Sources: - [LONGi, Hi-MO X10 Explorer LR7-54HVH 475-490M datasheet (20241118)](https://static.longi.com/Hi_MO_X10_Explorer_LR_7_54_HVH_475_490_M_30_30_and_15_Frame_e909d07793.pdf) (checked 2026-09-23) ## REC Alpha Pure-RX 460 W URL: https://solaranswers.com.au/reviews/solar-panels/rec-alpha-pure-rx-460 Manufacturer documents checked: 2026-09-23 Heterojunction panel at 460 W and 22.1% efficiency with a -0.24%/°C temperature coefficient. The Alpha Pure-RX series runs 440 to 470 W. The Alpha Pure-RX uses REC's heterojunction cells in an 88 half-cell layout; this is the 460 W bin of the 440 W to 470 W series, at 22.1% efficiency. Its -0.24%/°C temperature coefficient is the lowest in this guide, and the power warranty guarantees 92% after 25 years, based on 98% in year one and 0.25% a year after. The format differs from most panels here: 1728 x 1205 mm and 22.7 kg, with a high voltage (54.9 V) and low current (8.38 A) at maximum power. REC highlights the low current for microinverters and optimisers, while the high voltage means fewer panels per string on a string inverter. The maximum system voltage is 1000 V. The standard warranty is 20 years on the product and 25 years on power. REC's ProTrust warranty lifts the product term to 25 years and adds 25 years of labour cover for systems under 25 kW, but only when an REC Certified Solar Professional installs and registers the panels. - Power: 460 W - Module efficiency: 22.1% - Cell type: Heterojunction (HJT), 88 half-cut cells, black backsheet - Temperature coefficient: -0.24% per °C - Product warranty: 20 years - Performance warranty: 25 years - Output at end of warranty: 92% after 25 years - Dimensions: 1728 x 1205 x 30 mm - Weight: 22.7 kg Advantages noted in the review: - -0.24%/°C, the lowest temperature coefficient here - 92% power guaranteed at year 25 - Low operating current suits microinverters and optimisers - Positive-only tolerance (0 to +10 W) Limitations noted in the review: - Standard product warranty is 20 years; 25 years needs an REC Certified installer - Non-standard 1728 x 1205 mm size - 22.1% efficiency is lower than most panels here Sources: - [REC Group, Alpha Pure-RX Series datasheet (EN AU, Rev 4.5 8.2024)](https://www.recgroup.com/sites/default/files/2024-08/Web_DS_Alpha_Pure-RX_EN%20AU.pdf) (checked 2026-09-23) ## Sigenergy SigenStor BAT 8.0 URL: https://solaranswers.com.au/reviews/batteries/sigenergy-sigenstor-bat-8-0 Manufacturer documents checked: 2026-09-23 Stackable 7.8 kWh LFP battery module for the SigenStor system, 1 to 6 modules under a SigenStor EC single-phase or three-phase hybrid inverter. The BAT 8.0 is one module in the SigenStor stack, not a standalone battery. It sits under a SigenStor EC hybrid inverter, which sets the phase, the output to your home and the backup port. Each module adds 7.8 kWh usable and 4 kW of charge and discharge power, with 6 kW for 10 seconds, so the battery side gets stronger as the stack grows, up to what the EC model can pass through. One module sits under the 14 kWh point where the federal discount rate drops. Two modules make 15.6 kWh, so the last 1.6 kWh earns the discount at a lower rate, and larger stacks move further into the lower bands. The current Australian warranty covers 10 years with 70% of usable energy retained, or 29.64 MWh of throughput per module, whichever comes first. One full cycle a day would take a little over 10 years to reach that figure. Whole-home backup needs a Sigen Gateway on top of the EC. - Usable capacity: 7.8 kWh - Nominal capacity: 8.06 kWh - Chemistry: LFP - Continuous power: 4 kW - Peak power: 6 kW - Phases: Single-phase or three-phase, set by the SigenStor EC - Backup: Backup port on the SigenStor EC; whole-home backup with a Sigen Gateway - Expansion: 1 to 6 modules per SigenStor EC controller - Warranty: 10 years - Warranty terms: 10 years, 70% usable energy, or 29.64 MWh throughput, whichever comes first - IP rating: IP66 - Weight: 70 kg - Dimensions: 767 x 270 x 260 mm - Operating temperature: -20 to 55 C Advantages noted in the review: - 7.8 kWh usable per module at 100% depth of discharge - IP66 and a -20 to 55 C operating range - Throughput limit lasts about 10 years at one full cycle a day - Same module works with single-phase and three-phase EC models Limitations noted in the review: - Needs a SigenStor EC controller to work - Whole-home backup needs a Sigen Gateway - Two or more modules pass 14 kWh, where the discount rate drops Sources: - [Sigenergy, Sigen Battery 5.0 / 8.0 datasheet (Australia)](https://www.sigenergy.com/au/support/files/1002) (checked 2026-09-23) - [Sigenergy, Factory Limited Warranty for SigenStor (Australia and New Zealand)](https://wwwstatic.sigenergy.com/content/assets/uploads/au_download/1779800849121879.pdf) (checked 2026-09-23) - [Sigenergy, Sigen Energy Controller datasheet (Australia)](https://www.sigenergy.com/uploads/au_download/1762776304777117.pdf) (checked 2026-09-23) - [Sigenergy, Sigen Energy Gateway datasheet (Australia)](https://www.sigenergy.com/uploads/au_download/1752473678621932.pdf) (checked 2026-09-23) ## Sigenergy SigenStor EC 6.0 SP URL: https://solaranswers.com.au/reviews/inverters/sigenergy-sigenstor-ec-6-sp Manufacturer documents checked: 2026-09-23 Single-phase 6 kW hybrid energy controller with 2 MPPTs and 12 kW PV input, the inverter in Sigenergy's stackable SigenStor system. The SigenStor EC 6.0 SP is the 6 kW single-phase energy controller that sits on a SigenStor battery stack. It takes 12 kW of PV, a 2.0 DC/AC ratio, on two MPPTs. The single-phase range runs from 5 kW to 12 kW, with the 8 kW and larger models adding a third or fourth MPPT. Backup output is 6 kW, with a 9 kW peak for 10 seconds. The zero-millisecond switchover figure applies only when a Sigen Energy Gateway is installed with the controller and battery, so include it in the quote if you want uninterrupted backup. The controller takes one to six SigenStor BAT 5.0 or 8.0 modules. Peak efficiency is 98.0% and European efficiency 97.4%. Sigenergy's Australian warranty covers the Energy Controller for 10 years, but the warranty document says the full term may not be honoured if the system stays offline for an extended period, with five years always provided. - Type: Hybrid - Rated AC output: 6 kW - Phases: Single-phase - MPPT trackers: 2 - Max PV input: 12 kW - Max efficiency: 98% - Backup: 6 kW backup, 9 kW peak for 10 s; 0 ms switchover needs the Sigen Energy Gateway - Compatible batteries: SigenStor BAT 5.0 / 8.0, 1 to 6 modules - Warranty: 10 years - IP rating: IP66 - Weight: 18 kg Advantages noted in the review: - 2.0 DC/AC ratio (12 kW PV on 6 kW AC) - 98.0% peak efficiency - Scales from one to six SigenStor battery modules - Controller weighs 18 kg Limitations noted in the review: - Uninterrupted backup needs the separate Sigen Energy Gateway - Full 10-year warranty depends on the system staying online - Works only with SigenStor battery modules Sources: - [Sigenergy, Sigen Energy Controller datasheet for Australia (v20251107)](https://www.sigenergy.com/uploads/au_download/1762776304777117.pdf) (checked 2026-09-23) - [Sigenergy, Factory Limited Warranty for SigenStor (Australia and New Zealand)](https://www.sigenergy.com/uploads/en_download/1745206366786148.pdf) (checked 2026-09-23) ## SMA Sunny Boy 5.0 URL: https://solaranswers.com.au/reviews/inverters/sma-sunny-boy-5 Manufacturer documents checked: 2026-09-23 Single-phase 5 kW string inverter with 2 MPPTs, 7.5 kWp PV input and built-in AFCI, weighing 17.5 kg. Range covers 3 to 6 kW. The Sunny Boy 5.0 is a 5 kW single-phase string inverter, a size often paired with a 6.6 kW array. SMA allows up to 7.5 kWp of panels, 150% of the AC rating, across two MPPTs rated for 15 A each, with two strings allowed on each MPPT. The 15 A limit is close to the operating current of some newer high-current panels. It has no battery input and no backup output. SMA says its storage solutions can be added at any time, which would be a separate battery system alongside this inverter. SMA ShadeFix shade management, AFCI arc-fault detection, WLAN and Ethernet are built in. Peak efficiency is 97.0% and European efficiency 96.5%. The standard warranty is 5 years, extended to 10 years at no cost when the inverter is registered with SMA. - Type: String - Rated AC output: 5 kW - Phases: Single-phase - MPPT trackers: 2 - Max PV input: 7.5 kW - Max efficiency: 97% - Backup: None - Compatible batteries: No battery input; SMA storage can be added as a separate system - Warranty: 10 years - IP rating: IP65 - Weight: 17.5 kg Advantages noted in the review: - Two MPPTs with two strings each - Integrated AFCI and ShadeFix shade management - Light at 17.5 kg - 10-year warranty with free registration Limitations noted in the review: - No battery input or backup output - 150% PV oversizing limit - 15 A per MPPT is tight for some high-current panels Sources: - [SMA, Sunny Boy 3.0 to 6.0 datasheet (AU, status 10/2023)](https://files.sma.de/downloads/SB30-60-DS-AU-61.pdf) (checked 2026-09-23) ## SolarEdge Home Battery 400V URL: https://solaranswers.com.au/reviews/batteries/solaredge-home-battery-400v Manufacturer documents checked: 2026-09-23 9.7 kWh usable high-voltage battery for SolarEdge inverters, 5 kW continuous and up to three batteries per inverter. This battery works only with SolarEdge's own inverters: the Home Genesis, the Home Hub or the Residential Three Phase inverter for Australia. Each battery supplies 5 kW continuously, with 7.5 kW for 10 seconds in backup, and gives 9.7 kWh usable at 100% depth of discharge. One battery sits under the 14 kWh point where the federal discount rate drops. Up to three can share an inverter, but capacity above 14 kWh earns the discount at a lower rate, and with the SExK-AUB three-phase inverter the limit is one battery per site. SolarEdge's Australian page says backup needs the Home Hub Universal Inverter plus the Home Backup Interface, and is available only for single-phase inverters. The Australian warranty covers 10 years with 70% capacity and unlimited cycles for standard solar use, or 26 MWh if a third party manages the battery. It also requires the battery to stay connected to SolarEdge monitoring and to sit between 0 and 40 C for at least 95% of the warranty period, so the install spot matters. The datasheet does not state the cell chemistry. - Usable capacity: 9.7 kWh - Continuous power: 5 kW - Peak power: 7.5 kW - Phases: Single-phase and three-phase SolarEdge inverters; backup single-phase only - Backup: Needs a Home Hub Universal Inverter and Home Backup Interface - Expansion: Up to 3 batteries per inverter (1 with the SExK-AUB three-phase inverter) - Warranty: 10 years - Warranty terms: 10 years, 70% capacity, unlimited cycles for standard solar use; 26 MWh if a third party manages the battery - IP rating: IP55 - Weight: 121 kg - Dimensions: 790 x 1179 x 250 mm - Operating temperature: -10 to 50 C (charging) Advantages noted in the review: - 9.7 kWh usable, under the 14 kWh discount taper - Unlimited cycles on the warranty for standard solar use - 7.5 kW for 10 seconds in backup Limitations noted in the review: - Works only with SolarEdge inverters, backup on single-phase only - Warranty needs 0 to 40 C for 95% of the period and a live monitoring link - Cell chemistry not stated on the datasheet Sources: - [SolarEdge, Home Battery for Australia BAT-10K1PS0B-01 datasheet](https://knowledge-center.solaredge.com/sites/kc/files/se-home-battery-10K1PS0B-01-datasheet-aus.pdf) (checked 2026-09-23) - [SolarEdge, Home Battery warranty (Australia)](https://knowledge-center.solaredge.com/sites/kc/files/se-energy-bank-battery-warranty-aus.pdf) (checked 2026-09-23) - [SolarEdge Australia, Home Battery 400V product page](https://www.solaredge.com/aus/products/residential/storage-and-backup/solaredge-home-battery-400v) (checked 2026-09-23) ## SolarEdge Home Hub SE5000H URL: https://solaranswers.com.au/reviews/inverters/solaredge-home-hub-se5000h Manufacturer documents checked: 2026-09-23 Single-phase 5 kVA hybrid inverter for SolarEdge Home Battery, accepting 15 kW of DC PV with 4.5 kW backup. Range covers 3 to 10 kVA. The Home Hub is SolarEdge's single-phase hybrid inverter; this is the 5 kVA model, with 3, 6, 8.25 and 10 kVA versions on the same datasheet. It accepts up to 15 kW of DC PV power, 300% of the AC rating, the highest ratio among the string and hybrid inverters in this guide. The datasheet describes a single-string design with built-in panel-level monitoring and SafeDC rather than listing MPPT inputs, so the MPPT count does not apply in the usual way. Ask the installer which SolarEdge panel-level hardware is included in the quote. Batteries are limited to SolarEdge Home Battery, up to three per inverter. Full home backup is an optional upgrade rated at 4.5 kW in backup operation, and the inverter needs grid power for commissioning. The datasheet lists 99.2% maximum efficiency, a weight under 15 kg and a warranty of 12 to 25 years, so confirm which term applies to your install. - Type: Hybrid - Rated AC output: 5 kW - Phases: Single-phase - Max PV input: 15 kW - Max efficiency: 99.2% - Backup: Full home backup as an optional upgrade, 4.5 kW in backup operation - Compatible batteries: SolarEdge Home Battery, up to 3 per inverter - Warranty: 12 years - IP rating: IP65 Advantages noted in the review: - Accepts up to 300% DC oversizing (15 kW on 5 kVA) - 99.2% maximum efficiency - Built-in consumption metering with CT included - Light, under 15 kg Limitations noted in the review: - Only SolarEdge Home Battery supported - Backup is an optional upgrade, rated at 4.5 kW - Not designed for standalone off-grid use; needs grid power to commission Sources: - [SolarEdge, Home Hub Inverter for Australia and New Zealand datasheet (DS-000118-AUS, January 2024)](https://knowledge-center.solaredge.com/sites/kc/files/se-home-hub-inverter-datasheet-aus.pdf) (checked 2026-09-23) ## SolaX TSYS-HS51 URL: https://solaranswers.com.au/reviews/batteries/solax-tsys-hs51 Manufacturer documents checked: 2026-09-23 High-voltage LFP battery of 2 to 13 stacked 5.1 kWh modules, 9.1 to 59.8 kWh usable, with power that rises with stack size. The TSYS-HS51 stacks 5.1 kWh LFP modules on a TBMS battery management unit, from two modules (T-HS10.2) to thirteen (T-HS66.5) across two towers. SolaX lists usable energy at 90% depth of discharge, so the T-HS10.2 gives 9.1 kWh usable from 10.2 kWh nominal, although the datasheet notes depth of discharge can be set up to 100% depending on the inverter. Power grows with the stack, from 6.1 kW rated and 7.2 kW maximum for the T-HS10.2 to 39.9 kW rated for the largest size, within the paired inverter's own limit. The T-HS10.2 and T-HS15.3 (13.7 kWh) sit under the 14 kWh point where the federal discount rate drops, and the T-HS20.4 and larger go past it. The Australian warranty covers 10 years with 70% energy retention, a 6,000-cycle limit for daily self-consumption and backup, and throughput caps for other uses. One full cycle a day would take about 16 years to reach 6,000 cycles, so at that rate the 10-year term ends first. Without its heating function it will not charge below 0 C; with heating on, charging and discharging extend to -30 C. - Usable capacity: 9.1 kWh - Nominal capacity: 10.2 kWh - Chemistry: LFP - Continuous power: 6.1 kW - Peak power: 7.2 kW - Phases: Set by the paired high-voltage hybrid inverter - Backup: Set by the paired inverter - Expansion: 2 to 13 modules (9.1 to 59.8 kWh usable); two towers from 8 modules - Warranty: 10 years - Warranty terms: 10 years, 70% retention, 6,000 cycles for self-consumption and backup; 30.2 MWh (T-HS10.2) for other uses - IP rating: IP66 - Dimensions: 600 x 621 x 376 mm - Operating temperature: -20 to 53 C (charging 0 to 53 C; -30 C with heating) Advantages noted in the review: - Wide range from 9.1 to 59.8 kWh usable - Power rises with stack size, 6.1 kW rated from two modules - Two sizes sit under 14 kWh - IP66, with heating down to -30 C Limitations noted in the review: - Usable energy quoted at 90% depth of discharge - Two-module minimum - Will not charge below 0 C unless heating is on Sources: - [SolaX, TSYS-HS51 datasheet (EN-AU) V1.92](https://au.solaxpower.com/uploads/file/solax-tsys-hs51-datasheet-en-au.pdf) (checked 2026-09-23) - [SolaX Australia, warranty terms and conditions](https://au.solaxpower.com/uploads/file/solax-warranty-terms-and-conditions-au-english.pdf) (checked 2026-09-23) ## SolaX X1-Hybrid G4 5.0 URL: https://solaranswers.com.au/reviews/inverters/solax-x1-hybrid-g4-5 Manufacturer documents checked: 2026-09-23 Single-phase 5 kW hybrid inverter (4.999 kW in Australia) with 2 MPPTs, 10 kWp recommended PV and under 10 ms backup switchover. The X1-Hybrid G4 5.0 is a 5 kW single-phase hybrid, limited to 4,999 W for AS/NZS 4777 in Australia, with 3 kW to 7.5 kW siblings on the same datasheet. SolaX recommends up to 10 kWp of panels, twice the AC rating, over two MPPTs rated for 16 A each. With a battery connected, the EPS (backup) output is 5 kVA, rising to 7.5 kVA for 10 seconds, with a switchover time under 10 ms. The battery input accepts high-voltage lithium batteries between 80 V and 480 V at up to 30 A. Peak efficiency is 97.6% and European efficiency 97.0%. The 5.0 kW model is naturally cooled, weighs 24 kg and is rated IP65. AFCI arc-fault protection is optional, and the AU datasheet does not state a warranty term. - Type: Hybrid - Rated AC output: 5 kW - Phases: Single-phase - MPPT trackers: 2 - Max PV input: 10 kW - Max efficiency: 97.6% - Backup: EPS output 5 kVA (7.5 kVA for 10 s), switchover under 10 ms - Compatible batteries: High-voltage lithium battery, 80 V to 480 V - IP rating: IP65 - Weight: 24 kg Advantages noted in the review: - 200% PV headroom (10 kWp on 5 kW) - Backup switchover under 10 ms with 150% short-term output - Natural cooling on the 5.0 kW model Limitations noted in the review: - No warranty term on the AU datasheet - AFCI arc-fault protection is optional - IP65 rather than IP66 Sources: - [SolaX Power, X1-Hybrid G4 AU datasheet (V3.0)](https://au.solaxpower.com/uploads/file/solax-x1-hybrid-g4-datasheet-en-au.pdf) (checked 2026-09-23) ## Sungrow SBR URL: https://solaranswers.com.au/reviews/batteries/sungrow-sbr Manufacturer documents checked: 2026-09-23 High-voltage LFP battery stack of 3.2 kWh modules, 6.4 to 25.6 kWh usable, for Sungrow single-phase and three-phase hybrid inverters. The SBR is a high-voltage stack of 3.2 kWh modules for Sungrow's own hybrid inverters, sold in seven sizes from the SBR064 (6.4 kWh) to the SBR256 (25.6 kWh), usable at up to 100% depth of discharge. Sungrow's manual lists the single-phase SH-RS and three-phase SH-RT and SH-T hybrids as partners, and the inverter provides the backup output. Every size runs at 30 A continuous, so rated power rises with the stack, from 3.84 kW for the SBR064 to 15.36 kW for the SBR256. The SBR064, SBR096 and SBR128 sit under the 14 kWh point where the federal discount rate drops, and the SBR160 and larger go past it. The Australian warranty covers 10 years with at least 70% capacity and no cycle limit for daily self-consumption and backup use, with throughput caps for other uses. It needs the system monitored in iSolarCloud, and it limits how many days a year the battery can spend above 35 C, so check where it will sit. It does not charge below 0 C. - Usable capacity: 6.4 kWh - Nominal capacity: 6.4 kWh - Chemistry: LFP - Continuous power: 3.84 kW - Phases: Set by the Sungrow hybrid inverter (SH-RS single-phase, SH-RT and SH-T three-phase) - Backup: Backup output on the Sungrow hybrid inverter - Expansion: 2 to 8 modules per unit (6.4 to 25.6 kWh); up to 4 units in parallel with a combiner box - Warranty: 10 years - Warranty terms: 10 years, 70% capacity, unlimited cycles for self-consumption and backup; 17.92 MWh (SBR064) to 71.68 MWh (SBR256) for other uses - IP rating: IP55 - Weight: 89 kg - Dimensions: 625 x 545 x 330 mm - Operating temperature: -20 to 50 C (charging 0 to 50 C) Advantages noted in the review: - Seven sizes in 3.2 kWh steps - No cycle limit on the warranty for self-consumption and backup - Rated power rises with stack size, up to 15.36 kW Limitations noted in the review: - Works only with Sungrow hybrid inverters - Warranty limits days above 35 C and needs iSolarCloud monitoring - Does not charge below 0 C Sources: - [Sungrow, SBR064 to SBR256 datasheet (AU) V1](https://info-support.sungrowpower.com/application/pdf/2024/09/06/DS_20230721_SBR064_128_160_192_224_256_datasheet_V1_AU.pdf) (checked 2026-09-23) - [Sungrow, SBR064 to SBR256 user manual (Ver22, 2025)](https://info-support.sungrowpower.com/application/pdf/2025/05/12/SBR064%20User%20Manual.pdf) (checked 2026-09-23) - [Sungrow Australia, HV battery limited warranty V9.0 (May 2026)](https://service.sungrowpower.com.au/New%20knowledge%20base%20file/warranty/WD_202605_Term_Sungrow%20HV%20Battery%20Limited%20Warranty_V9.0.1.pdf) (checked 2026-09-23) - [Sungrow Australia, SBR product page](https://www.sungrowpower.com/au/en/products/residential-energy-storage-system/b-sbr064-096-128-160-192-224-256) (checked 2026-09-23) ## Sungrow SG5.0RS-ADA URL: https://solaranswers.com.au/reviews/inverters/sungrow-sg5-0rs-ada Manufacturer documents checked: 2026-09-23 Single-phase 5 kW class string inverter (4.999 kW) with 3 MPPTs, 7.5 kWp recommended PV and integrated AFCI. Range also covers 8 and 10 kW. The SG5.0RS-ADA is a 5 kW class single-phase string inverter rated at 4,999 W, a typical match for a 6.6 kW array. Sungrow recommends up to 7.5 kWp of PV, 150% of the AC rating. Three MPPTs, each taking one string at 16 A, give more layout options than the usual two on roofs with east, west and north faces. It is a solar-only inverter with no battery input or backup output, so adding a battery later would mean a separate AC-coupled battery system or swapping to a hybrid inverter. The 40 V to 560 V MPPT range and 50 V start-up voltage suit short strings. AFCI, Type II surge protection on both DC and AC, and a C5 corrosion rating are listed, and peak efficiency is 97.8%. Sungrow Australia's warranty terms cover the SG5.0RS-ADA for 10 years. - Type: String - Rated AC output: 5 kW - Phases: Single-phase - MPPT trackers: 3 - Max PV input: 7.5 kW - Max efficiency: 97.8% - Backup: None - Compatible batteries: No battery input - Warranty: 10 years - IP rating: IP65 - Weight: 19 kg Advantages noted in the review: - Three MPPTs for roofs with several faces - Integrated AFCI and C5 corrosion rating - 10-year warranty under Sungrow Australia terms - Wide 40 V to 560 V MPPT range Limitations noted in the review: - No battery input or backup - 150% PV oversizing limit - One string per MPPT Sources: - [Sungrow, SG5.0RS-ADA/SG8.0/10RS AU datasheet (Version 14)](https://info-support.sungrowpower.com/application/pdf/2024/12/07/DS_20241204_SG5.0RS-ADA_8.0_10RS_Datasheet_V14_EN%EF%BC%88AU).pdf) (checked 2026-09-23) - [Sungrow Australia, Inverters 10-Year Standard Warranty Terms and Conditions](https://service.sungrowpower.com.au/files/Web_Files/FAQ/WD_202201_Term_Sungrow-s%20Inverters%2010-Year%20Limited%20Warraty_V3.0.pdf) (checked 2026-09-23) ## Sungrow SH15T URL: https://solaranswers.com.au/reviews/inverters/sungrow-sh15t Manufacturer documents checked: 2026-09-23 Three-phase 15 kW hybrid inverter with 3 MPPTs, 30 kWp PV input and a 63 A bypass for whole-home backup. Range covers 15 to 25 kW. The SH15T is a 15 kW three-phase hybrid for larger homes with three-phase supply, and the same datasheet covers 20 kW and 25 kW versions. It accepts up to 30 kWp of PV, 200% of the AC rating, on three MPPTs: the first two take two strings at 32 A each, the third one string at 16 A. Backup is designed for the whole home: a built-in 63 A bypass per phase, switchover under 10 ms, support for 100% unbalanced output, and 15 kW off-grid output with a 25.5 kW peak for 10 seconds when PV and battery power allow. Battery charging can reach 30 kW and discharging 15 kW, at up to 50 A. Peak efficiency is 98.1% and European efficiency 97.6%. The 15 kW model is naturally cooled and weighs 38 kg. The AU datasheet does not state a warranty term, so check Sungrow's current Australian warranty terms for this model. - Type: Hybrid - Rated AC output: 15 kW - Phases: Three-phase - MPPT trackers: 3 - Max PV input: 30 kW - Max efficiency: 98.1% - Backup: Whole-home backup via 63 A bypass, switch time under 10 ms, 15 kW off-grid (25.5 kW for 10 s) - Compatible batteries: High-voltage lithium-ion battery, 100 V to 700 V - IP rating: IP65 - Weight: 38 kg Advantages noted in the review: - 200% PV headroom (30 kWp on 15 kW) - Whole-home backup with 63 A bypass and under 10 ms switchover - Two strings on each of the first two MPPTs - Supports 100% unbalanced output across phases Limitations noted in the review: - Needs three-phase supply - No warranty term on the AU datasheet - IP65 rather than IP66 Sources: - [Sungrow, SH15/20/25T AU datasheet (V3)](https://info-support.sungrowpower.com/application/pdf/2024/03/29/DS_20240328_SH15_20_25T_Datasheet_V3_EN(AU).pdf) (checked 2026-09-23) ## Tesla Powerwall 3 URL: https://solaranswers.com.au/reviews/batteries/tesla-powerwall-3 Manufacturer documents checked: 2026-09-23 13.5 kWh usable AC battery with a built-in 3 MPPT solar inverter, up to 11.04 kW continuous output and up to three 13.5 kWh Expansion units. Powerwall 3 combines a battery with a solar inverter, so one unit takes up to 20 kW of solar across three MPPTs and supplies up to 11.04 kW AC continuously. The output is configured at 5, 10 or 11.04 kW, so check which version your quote lists. The datasheet also rates it to start heavy loads up to 185 A locked rotor amps. With 13.5 kWh usable, a single unit sits just under the 14 kWh point where the federal discount rate drops, so all of its capacity earns the full rate. Each Expansion adds 13.5 kWh and up to three fit behind one Powerwall 3, but capacity above 14 kWh earns the discount at a lower rate. Charging stays at 5 kW with Expansions until a future firmware version lifts it to 8 kW. The Australian warranty covers 10 years with 70% energy retention and no cycle limit when the battery is used for solar self-consumption, time-based control and backup. Other uses carry a 37.8 MWh throughput limit. Backup needs a Backup Gateway 2, and the datasheet does not state the cell chemistry. - Usable capacity: 13.5 kWh - Nominal capacity: 14 kWh - Continuous power: 11.04 kW - Phases: Single-phase (Backup Gateway 2 supports three-phase sites) - Backup: Whole or partial home backup with Backup Gateway 2 - Expansion: Up to 3 Expansion units (13.5 kWh each), up to 4 Powerwall 3 units - Warranty: 10 years - Warranty terms: 10 years, 70% energy retention, unlimited cycles for self-consumption, time-based control and backup; 37.8 MWh for other uses - IP rating: IP67 (battery and electronics), IP55 (wiring) - Weight: 130 kg - Dimensions: 609 x 1105 x 193 mm - Operating temperature: -20 to 50 C Advantages noted in the review: - Built-in solar inverter with 3 MPPTs and up to 20 kW of solar input - Up to 11.04 kW continuous output from one unit - 13.5 kWh usable, under the 14 kWh discount taper - No cycle limit on the warranty for self-consumption and backup use Limitations noted in the review: - Backup needs a Backup Gateway 2 - Charging limited to 5 kW with Expansions until a firmware update - Cell chemistry not stated on the datasheet Sources: - [Tesla, Powerwall 3 datasheet (Australia and New Zealand)](https://energylibrary.tesla.com/docs/Public/EnergyStorage/Powerwall/3/Datasheet/en-au/Powerwall-3-Datasheet-AU-EN.pdf) (checked 2026-09-23) - [Tesla, Powerwall warranty (Australia and New Zealand), Rev. 1.16](https://energylibrary.tesla.com/docs/Public/EnergyStorage/Powerwall/General/Warranty/en-au/Powerwall-Warranty-AU-NZ-EN.pdf) (checked 2026-09-23) ## Trina Solar Vertex S+ 475 W URL: https://solaranswers.com.au/reviews/solar-panels/trina-vertex-s-plus-475 Manufacturer documents checked: 2026-09-23 Dual-glass N-type i-TOPCon panel at 475 W and 23.8% efficiency, weighing 21.0 kg. The NEG9R.28 series runs 450 to 475 W. The TSM-475NEG9R.28 is the top bin of Trina's Vertex S+ 450 W to 475 W series, at 23.8% efficiency in the common 1762 x 1134 mm size. It uses dual 1.6 mm glass with a black frame and, at 21.0 kg, is the lightest dual-glass panel in this group. The 144-cell layout gives a higher voltage and lower current than 108-cell panels: 46.4 V and 10.24 A at maximum power. The lower current suits inverters with modest MPPT current limits, while the higher voltage means fewer panels fit in each string. Power tolerance is 0 to +5 W. The datasheet lists a 25-year product warranty and a 30-year power warranty, with 87.4% of output after 30 years. This is Trina's EU edition of the datasheet, so confirm the Australian warranty terms with your installer. - Power: 475 W - Module efficiency: 23.8% - Cell type: N-type i-TOPCon monocrystalline, 144 cells, dual glass - Temperature coefficient: -0.29% per °C - Product warranty: 25 years - Performance warranty: 30 years - Output at end of warranty: 87.4% after 30 years - Dimensions: 1762 x 1134 x 30 mm - Weight: 21 kg Advantages noted in the review: - 23.8% efficiency at 475 W - Lightest dual-glass panel here at 21.0 kg - 25-year product and 30-year power warranty - Positive-only power tolerance (0 to +5 W) Limitations noted in the review: - Source datasheet is Trina's EU edition; confirm Australian warranty terms - Higher string voltage means fewer panels per string Sources: - [Trina Solar, Vertex S+ NEG9R.28 450-475 W datasheet (TSM_EN_2026_A)](https://www-cdn.trinasolar.com/wwwstorage/sites/7/eu-260224-datasheet-vertex-s-neg9r.28-en-2026-a-web-260224-datasheet-vertex-s-neg9r.28-en-2026-a-web.pdf) (checked 2026-09-23) ## Site FAQs ### Is SolarAnswers free to use? Yes. The guides, calculators and quote requests are free for households. Installers pay us a fee when we pass on a quote request, and that is how the site is funded. ### Who will contact me after I ask for quotes? Up to three installers who work in your area. We tell you who they are, and nobody else gets your details. You are under no obligation to go ahead with any of them. ### How much is the federal battery rebate right now? It depends on usable capacity and when the installation is signed off. For batteries installed between May and December 2026 the factor is 6.8, which is worth about $3,370 to $3,640 for a 13.5 kWh battery. The factor drops to 5.7 on 1 January 2027. ### Do I need solar to get the battery rebate? Yes. The federal discount requires the battery to be paired with solar, either an existing system or one installed at the same time. ### How do you check the numbers on this site? Every rebate figure comes from a government or regulator page, which we link on the page along with the date we last checked it. When a program changes, we update the page and the date.