Australian solar guides, in plain English.

How to choose an installer, read a quote line by line, size a system, and understand what the rebates actually pay — plus brand deep-dives that answer the questions a spec sheet does not. Every quantitative claim traces to a government, manufacturer or independent industry source.

Buying solar

How to choose a good solar installer in Australia. — 7 min read
The Clean Energy Regulator inspected 1,278 home battery installs in April 2026 and found 60% substandard. Panel brand is the easy decision — installer quality is the one that matters in year 8. Here’s the filter.
How to read a solar quote without getting taken for a ride. — 6 min read
An Australian solar quote should be five or six clear line items — not a one-line "$12,000 total" with no breakdown. Here’s what should be on it, where installers hide costs, and the four things to demand in writing.
What Australia’s battery inspection data actually found. — 7 min read
More than 60% of inspected home battery installations were classified substandard, and 1.2% unsafe. That number gets quoted a lot and understood rarely. This page states precisely what it covers, what it does not, and what follows from it.
How to size a solar system for your Australian home in 2026. — 5 min read
The right system size isn’t the biggest one your roof fits — it’s the one that matches your daytime usage today and leaves room for a battery or EV charger tomorrow. Here’s how to think about it.
What size solar battery do you actually need? — 7 min read
Enough to cover what your house uses between sunset and sunrise, and not much more. For most Australian households that is 10 to 13 kilowatt-hours of usable storage. Large homes, all-electric homes and EV owners push towards 20. Bigger than your overnight usage sits idle, and the federal rebate pays proportionally less above 14 kWh.
How do solar panels work? — 6 min read
Sunlight knocks electrons loose inside a panel, producing DC electricity. An inverter converts that into the AC power your house runs on. Your home uses what it needs, and the rest goes to a battery or out to the grid. That’s the whole system — here’s what each part actually does.
How do solar batteries work? — 7 min read
Surplus solar charges a stack of lithium cells during the day; after dark, an inverter turns that stored energy back into the power your house runs on, before any grid power is bought. That’s the loop. Here’s each piece of it — and what to look for on a spec sheet.
The solar inverter: what it does, and what it costs you twice. — 8 min read
Panels are the part you can see and the part that almost never fails. The inverter is the part doing conversion work every daylight hour, and it is the component most likely to need replacing before the system is done. Here is how to choose one, keep it, and budget for the second one.

Costs & savings

How much do solar panels cost in Australia? — 7 min read
Roughly $1,000 per kW installed, with the federal rebate already taken off. A 6.6 kW system typically lands between $5,000 and $8,500; a 10 kW system averages about $10,000. The part worth understanding is why identical systems quote $7,000 at one company and $20,000 at another.
How much does a 6.6 kW solar system cost in Australia? — 6 min read
Between about $5,500 and $8,500 fully installed in 2026, with the federal rebate already taken off, and an average close to $6,400. That buys 15 to 17 panels on a 5 kW inverter producing around 25 kilowatt-hours a day. The part worth understanding is why one quote lands at $5,500 and the next at $8,500 for what is nominally the same system.
How much does a 10 kW solar system cost in Australia? — 6 min read
About $9,000 to $12,500 fully installed in 2026, rebate already deducted, with owner-reported prices averaging close to $10,000. That buys 21 to 26 panels producing around 40 kilowatt-hours a day — enough for a large household, a battery and an electric car. The catch is your grid connection: on single-phase supply you may not be allowed to export all of it.
What does a solar battery actually cost in Australia? — 7 min read
Around $8,000 to $10,000 installed for a typical 10 kWh battery in 2026, within a broader market range of roughly $4,000 to $13,000 or more. The federal rebate takes roughly a quarter off before you see the number — and install quality is where the real risk sits.
What does solar and battery installation actually cost? — 8 min read
Your quote is one number, and the work inside it is almost never itemised. A straightforward battery installation is costed at about $3,000 before anything goes wrong, and the switchboard and the meter are where the surprises live. Here is what that work actually costs.
Is solar actually worth it in Australia? — 6 min read
For most owner-occupiers with some daytime electricity use, yes — but the number that decides it is how much of your own generation you use rather than export. Here’s the arithmetic, and the situations where the answer is genuinely no.
Are solar batteries worth it in Australia? — 7 min read
For households with real evening usage and a wide gap between what they pay for power and what they’re paid to export, increasingly yes. For everyone else it’s genuinely marginal. The difference comes down to three numbers — and none of them is on the brochure.
What is the average electricity bill in Sydney in 2026? — 6 min read
About $1,899 a year for a representative household on the Ausgrid network, or roughly $475 a quarter, on the regulator’s 2026–27 standing-offer benchmark. Western Sydney on Endeavour Energy is benchmarked at $2,328, and the regional Essential Energy area at $2,604. Most households on market offers pay less than the benchmark.
What is the average electricity bill in Melbourne in 2026? — 6 min read
About $1,591 a year, or roughly $400 a quarter, for a representative household on the Essential Services Commission’s 2026–27 default offer at 4,000 kWh. Melbourne has some of the lowest usage rates in the country — 26 to 33 cents per kilowatt-hour depending on which of five networks you are on — and gas heating keeps the electricity bill lower still.
How many kWh does an Australian home use per day? — 6 min read
The regulators’ benchmark household uses 10.7 to 13.4 kilowatt-hours a day depending on the state. Real households range from under 10 for a one-person apartment to 25 or more for a family with ducted air conditioning, a pool or an electric car. The number on your bill is the one that matters, and it is the first thing a solar quote should be built on.

Rebates explained

The government solar panel rebate: what you actually get. — 7 min read
It is not a payment, it is a discount — already inside the price you were quoted. Most Australians never see it as a line item, never fill in a form, and never find out it gets smaller every January. Here is what comes off, what your state adds, and the one thing to check on any quote.
Understanding STCs — the federal solar rebate, plainly. — 6 min read
STCs are the federal rebate on solar panels in Australia. They’re calculated from your postcode’s zone rating, the system size in kW, and a deeming period that shrinks every year until the scheme ends in 2030. Here’s the maths.
The Cheaper Home Batteries Program, plainly. — 6 min read
The federal battery rebate takes roughly a quarter off the installed cost of a home battery. It stepped down from 8.4 to 6.8 STCs per usable kWh on 1 May 2026, with a tiered structure that taps out above 14 kWh. Here’s exactly how it works.

Audience-specific

Solar for renters: what you can actually claim in Australia 2026. — 4 min read
You can’t install solar on a property you don’t own — but you’re not out of options. Victoria and Queensland run rental-specific solar schemes, NSW has a loan open to landlords, and there are landlord-conversation and embedded-network paths that put cheaper energy in renter hands.
Solar for apartments and strata buildings in Australia 2026. — 6 min read
Apartments make up ~10% of AU dwellings but get a tiny share of solar installs — mostly because the approval path runs through strata, not the individual owner. Here’s how the rebates, approvals, and shared-solar models actually work.

Grid & connection

The solar feed-in tariff, and why chasing it is the wrong move. — 7 min read
A feed-in tariff is what your retailer pays for the power you export instead of using. It used to be the whole economic case for solar. It is now a rounding error next to what you save by using your own power — and the numbers keep moving in one direction.
What is the solar feed-in tariff in NSW for 2026–27? — 6 min read
IPART’s benchmark for the year from 1 July 2026 is 3.4 to 6.5 cents per kilowatt-hour. There is no regulated minimum in New South Wales — retailers set their own rate, and most of them sit inside that range or just below it.
What is the solar feed-in tariff in Victoria for 2026–27? — 6 min read
There is no minimum any more. The Essential Services Commission stopped setting one on 1 July 2025, so Victorian retailers now pay whatever they choose, as long as it is not below zero. Offers in 2026 run from a cent or two up to about 8 cents on a capped first block.
What is the solar feed-in tariff in Queensland for 2026–27? — 6 min read
It depends which half of the state you are in. Regional Queensland has a regulated rate of 6.006 cents per kilowatt-hour from 1 July 2026. South-east Queensland — Brisbane, the Gold Coast, the Sunshine Coast — is retailer-set, and most offers sit between 3 and 10 cents.
What is the solar feed-in tariff in South Australia in 2026? — 6 min read
There is no regulated rate. South Australian retailers set their own feed-in tariff, and typical offers in 2026 sit around 5 to 8 cents per kilowatt-hour, with a few reaching 8 to 10 cents on a capped block. Against usage rates above 40 cents, the export line barely matters.

Living with solar

Solar warranties, decoded. — 8 min read
Every solar quote carries three different warranties. Two come from manufacturers on the other side of the world. The third comes from the company on your roof — and it is the one that decides what happens in year six.
What a workmanship warranty actually covers. — 6 min read
Manufacturers cover their hardware. Nobody covers the holes drilled in your roof except the company that drilled them. This is the warranty worth reading closely.
What happens if your installer goes bust. — 7 min read
The manufacturer warranties survive. The workmanship warranty usually does not. Here is what you can still do — and how to weigh the risk before you sign, rather than after.
Do solar panels work in a blackout? — 6 min read
For a standard grid-connected system, no — it shuts down within seconds, even at midday in full sun. That surprises almost every new owner. It is a safety requirement, not a fault, and there is a way around it.
What a battery actually keeps running. — 7 min read
“Has a battery” and “has backup” are different products at different prices. Here is what each level of backup covers, what it costs in switchboard work, and how to compare two quotes that look alike.
Why your solar switches off when the power goes out. — 5 min read
It is called anti-islanding, it is mandatory, and it exists to stop your roof electrocuting someone repairing the line. Here is how it works — and why no installer can simply turn it off for you.

Brand deep-dives

Sigenergy SigenStor review: what it costs, what it does, and who should fit it. — 9 min read
Sigenergy went from a 2022 start-up to the battery Australians ask us about most. This is the plain read on the price, the stack, the blackout behaviour and the recall, with every number traced to its source.
Sigenergy vs Tesla Powerwall 3: the Australian comparison. — 7 min read
The two most cross-shopped home batteries in Australia represent opposite philosophies: a sealed, polished single unit versus a modular tower that grows. Both are excellent. They suit different houses — here’s how to tell which one is yours.
What a Sigenergy battery really costs installed. — 6 min read
Sigenergy doesn’t publish fixed retail prices, so quotes for the “same” SigenStor can differ by thousands. Here’s the 2026 range, what moves the number, and when a cheap quote is a warning rather than a win.
The Sigenergy rebate maths, done properly. — 6 min read
A SigenStor is eligible for the federal battery rebate and a growing list of state programs — and because the rebate tapers with size, the module count you choose changes your $/kWh more than any discount. Here’s the 2026 arithmetic.
What a SigenStor actually is — explained properly. — 6 min read
“5-in-1 AI-powered energy storage” is marketing. Underneath it is a genuinely clever idea: one tower that replaces four separate boxes, built from modules you stack like shelves. Here’s how it works and how to size one.
DC fast charging at home: the Sigenergy EV module. — 6 min read
Every other home battery treats your EV as an afterthought on AC. Sigenergy stacks a bidirectional DC fast charger into the battery tower itself — solar to car with no conversion detour, and vehicle-to-home in the hardware. Here’s the full picture.
The Sigenergy recall and warranty, without the spin. — 7 min read
If you’re researching Sigenergy you’ve seen the word “recall”. Here’s precisely what happened in November 2025, how it was fixed, what it tells you about install quality — and the warranty fine print nobody reads until year six.
The Powerwall 2 recall: is yours one of them? — 7 min read
Tesla issued a voluntary recall covering certain Powerwall 2 units sold between November 2020 and August 2025. Here is what the notice says in its own words, how to check your own unit, and the part most coverage skips — who actually does the replacement work.
Tesla Powerwall 3 review: what it costs, how long it takes to pay back, and who it suits. — 8 min read
The Powerwall is the battery most Australians can name. This is the plain read on the price, the payback, the single-phase catch and the recall, with every number traced to its source.
What a Tesla Powerwall 3 costs installed in Australia — and why quotes differ by thousands. — 6 min read
The 2026 range, attributed and dated, then the list of things that move your number — so you can read three quotes and tell which one is genuinely cheaper.
What rebates actually apply to a Powerwall. — 6 min read
The federal battery rebate is not brand-specific — it applies to approved batteries installed by accredited installers, and a Powerwall qualifies on the same terms as anything else. What varies is your state, your timing, and whether the paperwork is done properly.
What else should be on the quote next to a Powerwall? — 7 min read
Most Australians get a Powerwall quote and no meaningful comparison. These are the alternatives worth putting beside it, what each genuinely does differently, and the four questions that decide which fits your house.
Sungrow SBR and SBH review: the natural pair for a Sungrow inverter, and where that pairing catches retrofit buyers. — 6 min read
Sungrow is the battery most other batteries get priced against. That makes it the default recommendation from a lot of installers — and it means the one thing that most often makes a Sungrow quote wrong is hidden in the inverter line, not the battery line.
GoodWe Lynx Home review: two battery families, one rebate trap, and the questions that sort a real quote from a vague one. — 6 min read
GoodWe competes on breadth. There is a Lynx Home configuration for almost any house — which is the reason to consider it, and also the reason a GoodWe quote needs checking more carefully than a single-product brand’s.
Deye battery review: global scale, an open ecosystem, off-grid strength, and the model-by-model checks that matter here. — 6 min read
Deye is one of the largest hybrid-inverter and home-storage manufacturers in the world, and one of China’s three most profitable inverter makers alongside Sungrow and Sigenergy. In Australia it is the open-ecosystem, off-grid-capable option at a value price — with one check worth making before you sign.
Fronius Reserva review: the inverter brand’s own battery, the GEN24 Plus requirement, and when the service case wins. — 6 min read
Fronius is a top-three inverter brand here and a brand-new battery entrant. Those two facts pull in opposite directions, and which one matters more depends entirely on what you already have on your wall.
Enphase IQ Battery review: the strongest retrofit in the category, true three-phase backup, and the cost per kWh you pay for both. — 6 min read
Enphase is the clearest answer in the category to one specific question — how do I add a battery to solar I already own without replacing the inverter? It is a much weaker answer to almost every question about scale.
Growatt battery review: APX, ARK XH and ALP explained, and why the voltage class is the decision you cannot undo. — 6 min read
Growatt has been in Australian homes for over a decade — as an inverter, not as a battery. Those are two different reputations with two different amounts of evidence behind them, and the most useful thing this review can do is keep them apart.
SOFAR battery review: PowerAll and BTS, which shape fits a retrofit, and what to pin down before you sign. — 6 min read
SOFAR sells two quite different products under one name, and a quote saying “SOFAR battery” could mean either. One of them quietly replaces your inverter. Knowing which you are being sold is most of what this review is for.
AlphaESS SMILE review: the widest range on any quote sheet, and how to pin the exact model down before you compare. — 7 min read
Most people meet AlphaESS for the first time on a quote, which is a bad moment to start researching a brand. It is a storage specialist with an unusually wide range — and that width is both the reason to consider it and the reason a vague quote is dangerous.
SolaX batteries: the deepest stack in the mainstream, and the pairing catch. — 7 min read
SolaX’s high-voltage T-BAT HS range stacks up to 13 modules, which is more headroom than almost any residential competitor offers. It is a genuine differentiator if you need it — and an irrelevance you are paying to carry if you do not.
SolarEdge: a battery designed around an optimiser on every panel, and a family choice you cannot undo. — 6 min read
A SolarEdge battery is the storage half of a system that starts on the roof, where each panel gets dedicated electronics. It suits shaded, split and awkward roofs, and houses that run a SolarEdge hybrid inverter today. The battery hardware differs by supply type, so the first decision is also the permanent one.
BYD: a battery that works with the inverter you choose, and two support desks behind it. — 6 min read
BYD supplies the Battery-Box and leaves the inverter to someone else, commonly Sungrow, GoodWe, SMA or Fronius. That gives you modular stacks, a real way to retrofit and the freedom to pick each component separately. It also means every quote is a decision about two manufacturers and the installer who stands between them.
Huawei: battery modules that keep working when one faults, and two badges that change who you ring. — 6 min read
The LUNA2000 is a DC-coupled tower: a power control module on top and identical battery modules beneath, listed in Australia as 5, 10 and 15 kWh systems. It runs only with Huawei’s SUN2000 hybrid inverters and suits owners who want a quiet battery near living areas. The same hardware is mostly retailed here under the iStore name, so the support chain is part of the purchase.
sonnen: a high-end battery that keeps your existing inverter, and a capacity you choose once. — 6 min read
The sonnenBatterie Evo is an AC-coupled lithium iron phosphate battery from a company that sells German engineering and a long European field record, housed in an enclosure designed for outdoor life in Australia and New Zealand. It is aimed at homes with good solar on the roof today. It is a compact, fixed-size product, so the sizing conversation happens at the start and not over several years.
Redback: a whole hybrid system wired before it arrives, and a warranty that needs your internet. — 6 min read
Redback does not sell a battery on its own. It sells a Brisbane-engineered hybrid inverter with a cabinet of battery units underneath, switchgear wired before delivery and load control included. It suits households that want one Australian company answerable for the lot, and it rules out keeping the inverter you already own.
Fox ESS: capacity sized to the house, and model names that are easy to mix up. — 6 min read
Fox ESS builds high-voltage lithium iron phosphate batteries in several modular families, paired with its own hybrid inverters. The range is broad enough for an installer to land close to the capacity a home needs instead of rounding up to a package. It suits new solar-and-battery installs and buyers weighing usable storage against cost.
Pylontech: broad inverter compatibility, and no single brand answerable for the system. — 6 min read
Pylontech makes battery modules and nothing else. Installers stack them to the size a property needs and pair them with an inverter from another manufacturer, which is why the brand is a fixture in off-grid and hybrid builds. It suits owners who want the inverter chosen on its merits, and it asks more of the installer than an all-in-one does.
SMA Home Storage: one module, neatly integrated, and a deadline on adding more. — 6 min read
SMA Home Storage is a DC-coupled battery made of one 3.28 kWh module repeated up to five times, and it runs only on SMA’s own hybrid inverters. It is the natural companion for a household already choosing an SMA inverter system. The capacity you settle on early is, for practical purposes, the capacity you keep.
Victron: a complete off-grid power ecosystem, and a battery the federal discount does not cover. — 6 min read
Victron Energy, from the Netherlands, builds inverter/chargers, solar charge controllers, monitoring gear and batteries for properties beyond the grid, boats and vehicles, and its reputation in that work is formidable. On a grid-connected house the picture changes: Victron batteries are absent from the approved battery list, so the usual design runs Victron electronics with another manufacturer’s listed battery.
FranklinWH: a controller that runs the whole house, and switchboard work to match. — 6 min read
FranklinWH pairs an AC-coupled aPower battery with the aGate, a controller that manages solar, grid, battery, generator and EV charging as one system. It is a high-end product for households that want real resilience through long outages, and it leaves existing solar exactly as it is.
Anker SOLIX X1: a slim modular stack with a polished app, and two different products under one name. — 6 min read
The SOLIX X1 is the home battery from Anker, the consumer-electronics company best known for charging gear. It is a slim, modular stack sold in two forms: an AC-coupled unit that adds storage to existing solar, and a hybrid that takes over the inverter role on a new system. Which one is on your quote is the first thing to establish.
iStore: an Australian brand covering the whole electric home, and a footprint that varies by state. — 6 min read
iStore is an Australian energy brand selling a modular LFP home battery alongside its own hybrid inverters, heat pump hot water, EV chargers and pool heating. The battery is conventional; the pitch is one brand and one local support chain across the house. It suits broad electrification projects and is a harder fit for a retrofit onto another brand’s inverter.
Bluetti: a whole system in one decision, and the inverter that comes with it. — 6 min read
Bluetti’s installed EP range is packaged, not configured: the EP760 for single-phase homes and the EP2000 for three-phase, each with a hybrid inverter and expandable storage in the box. It suits new solar-and-battery builds and full replacements. It is a harder fit where a good inverter is already on the wall.
Dyness: storage that pairs with the inverter you choose, and the list that governs it. — 6 min read
Dyness builds batteries and leaves the inverter to other makers, publishing compatibility lists of the third-party hybrids each battery family works with. Clean Energy Council listed models span 4.61 kWh to 76.8 kWh usable, from a single low-voltage block to a high-voltage stack sized for a small business. It suits buyers who want capacity and inverter freedom, and whose installer will own the pairing.
EcoFlow PowerOcean: a 15-year warranty, and the installer condition attached to it. — 6 min read
PowerOcean is a hybrid system: an EcoFlow inverter on top, LFP packs stacked below, housed for outdoor use, with an aerosol fire module inside every pack. Clean Energy Council listed packs run from 4.8 kWh to 19.4 kWh usable. It is at its best on a new solar-and-battery install fitted by an installer EcoFlow has authorised.
Energizer Powerstack: a household name on the box, and a licensee behind the warranty. — 6 min read
Powerstack is a high-voltage battery built from stacked modules and sold under the Energizer Solar name. A Melbourne licensee supplies it in Australia and writes the warranty. Clean Energy Council listed configurations run from 5.76 kWh to 20.16 kWh usable, and it pairs solely with Energizer Solar’s own hybrid inverters. It suits budget-led new installs on sheltered sites with dependable internet.
ESY Sunhome: one outdoor tower, and a sizing decision you only get to make once. — 6 min read
The HM6 is a single-phase all-in-one. A hybrid inverter sits on top of lithium iron phosphate battery modules that stack beneath it, all inside one floor-standing enclosure built to live outdoors. It suits households that know how much storage they need and would rather have one tidy unit outside than separate boxes on a wall.
FelicityESS: a modular range that scales past the house, and a warranty that changes as it ages. — 6 min read
FelicityESS is the storage brand of a Chinese manufacturer that also makes inverters and solar panels, sold here through a Sydney-based company. Its LUX batteries are modular blocks, offered as a low-voltage family for homes and a high-voltage family for much bigger sites. It suits price-led buyers who read a warranty document before they sign.
Hinen: a slim all-in-one with safety hardware built in, and an inverter you do not get to choose. — 6 min read
Hinen sells its batteries two ways: inside the A-series, a slim floor-standing cabinet that holds hybrid inverter, battery modules and controls together, or as separate modules beside a Hinen hybrid inverter. It suits new solar-and-battery installs, budget-led buyers who still want protection built into the hardware, and cold sites that need a heated pack.
Neovolt: a blackout switchover appliances barely notice, and an inverter that must be sized to the roof. — 6 min read
Neovolt is the residential brand of Bytewatt, a power-electronics company with a background in uninterruptible power supplies. Its core product is a single-phase all-in-one that matches Bytewatt’s own hybrid or battery inverter to a wall-mounted battery, with a stackable three-phase system above it. It suits price-led buyers who care about backup, and households adding storage beside solar they already own.
Pytes: a battery that lets you pick the inverter, and the integration work that comes with it. — 6 min read
Pytes builds low-voltage lithium batteries meant to sit behind a hybrid inverter from a different manufacturer, in rack, tower and wall formats. It suits buyers who want to choose inverter and battery separately, and installers who have already made that exact pairing work.
Ruixu: 16 kWh in one wheeled cabinet, and a warranty written around defects, not capacity. — 6 min read
The Lithi2-16 is Ruixu’s only home battery in Australia: one large floor-standing unit that runs behind another maker’s hybrid inverter. It suits households that truly need that much storage in one enclosure and will read the warranty document before they sign.
Soltaro: an Australian-designed all-in-one, and a warranty with conditions to meet. — 6 min read
The All-in-One 2 is a single cabinet holding a battery, a hybrid inverter and their control system. It is an Australian design that connects on either the AC or the DC side of your solar. It suits buyers who value an Australian warranty counterparty and will check the retailer, installer licence and portal connection up front.
Which Fronius inverter is actually in your quote? — 5 min read
Primo or Symo identifies the supply type. GEN24 or GEN24 Plus changes the battery upgrade path. Compare the exact model, the equipment included and the warranty record before choosing an installer.
GoodWe inverters: ten years of warranty, behind a portal login. — 6 min read
A mid-market Chinese brand that Australian installers rate highly for doing what it says and commissioning without a fight. The catch is administrative, not technical — the ten-year warranty is conditional on registration, and the condition is easy to miss.
Growatt inverters: cheap, everywhere, and the support is the trade. — 6 min read
The fifth-biggest inverter shipper on the planet, with two Australian offices and a price that is hard to argue with. The consistent criticism from Australian installers is not about whether the units work — it is about what happens when one does not.
Enphase: one inverter per panel, and 25 years on each of them. — 7 min read
A different architecture, not a different brand of the same thing. Every panel gets its own micro inverter doing its own conversion and its own tracking, which changes what shading does to your system — and changes what failure looks like when it eventually happens.
SolarEdge: per-panel optimisation, and a warranty in two halves. — 7 min read
A middle path between a plain string inverter and full micro inverters — optimisers do the per-panel work on the roof, one inverter does the conversion on the wall. The detail that catches people out is that the two halves are not warranted for the same length of time.

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