Australia’s rooftop solar market had its biggest month on record in April 2026.
Clean Energy Regulator data shows that households and small businesses registered 442 megawatts (MW) of new small-scale solar capacity during the month. That was 31 per cent above the 341 MW recorded in March and almost twice the amount added in April 2025.
The numbers stand out even in a country where rooftop solar has become part of everyday life. By the end of 2025, more than 4.3 million Australian households had a rooftop system, with about 28.3 gigawatts (GW) of capacity installed across the country.
Solar is no longer a new technology finding its way onto Australian roofs. The market is now large enough that another record month tells us something about what households are buying and how they are using their electricity.
Increasingly, the answer includes a battery.
The Record Comes As Solar And Storage Grow Together
The April result is part of a wider shift in the household energy market.
Rooftop solar supplied 14.2 per cent of Australia’s electricity generation during the second half of 2025, according to the Clean Energy Council. At the same time, batteries have become much more common alongside new and existing solar systems.
That combination changes the value of having solar on the roof. A household can use its panels during the day, store some of the electricity it does not need immediately, and draw from the battery later when solar production has dropped.
The timing matters because electricity demand does not always match solar production. Solar panels generally produce their most electricity during the middle of the day, while household demand often rises later in the afternoon and evening.
Without storage, unused solar can be exported to the grid. With a battery, some of that electricity can remain available for the household after the sun goes down.
The difference is becoming more relevant as the value of exported solar changes.
NSW’s latest feed-in tariff benchmark illustrates the point. For 2026–27, the NSW Independent Pricing and Regulatory Tribunal (IPART) set a benchmark range of 3.4 to 6.5 cents per kilowatt-hour (kWh), down from 4.8 to 7.3 cents/kWh in 2025–26.
Those figures are benchmarks rather than compulsory retailer rates, so the amount a household receives depends on its electricity plan. They do, however, reflect a broader change in the market: large amounts of solar electricity are reaching the grid during periods when wholesale prices can be low.
For someone with solar, that makes the electricity used at home more valuable than electricity exported at a low rate. A battery can move some of that surplus from the middle of the day into the evening, when the household would otherwise need to buy electricity from the grid.
Government Support Has Changed The Battery Calculation
The growth in batteries has also coincided with a major change in their upfront cost.
The federal Cheaper Home Batteries Program began in July 2025 and provides support equivalent to around 30 per cent of the upfront cost of eligible small-scale battery systems.
By the middle of 2026, the Clean Energy Regulator had received more than 500,000 battery applications since the program began.
That level of demand gives some context to the record solar numbers. Batteries are no longer simply an additional purchase for people who already have solar. For some households, the two technologies now form part of the same energy decision.
Acting Clean Energy Regulator chair Carl Binning described the pace of the transition as accelerating, pointing to the more than 500,000 battery applications as evidence of household demand when the economics work.
The incentive does not make every solar or battery installation worthwhile. Your electricity use, solar generation, export arrangements, battery size and electricity plan still determine how much value you can get from the system.
Those details matter even more when feed-in tariffs are low.
The Electricity Bill Still Decides Whether Solar Makes Sense
A high feed-in tariff can look attractive when you compare electricity plans, but it does not tell you what the whole bill will cost.
A plan might pay more for exported solar while charging more for the electricity you buy. Usage rates, daily supply charges, export limits and other conditions can change the result.
The same applies to a battery. If most of your household electricity use already happens during daylight hours, there may be less surplus to store. A household that uses much more electricity in the evening may have more to gain from shifting solar generation into those hours.
That makes your own consumption pattern more useful than a headline figure when you compare systems or electricity plans.
The change in feed-in tariffs also explains why simply sending as much solar as possible into the grid is becoming a less attractive strategy in some circumstances. Using more of your generation at home can reduce the amount of electricity you need to purchase at retail rates, while a battery can give you another way to use solar after production falls.
Batteries Are Also Changing The Wider Electricity System
The growth in household storage is happening alongside a much larger expansion of battery capacity across Australia.
Batteries are increasingly supplying electricity during the evening period when solar output falls and demand remains high. Gas generation between 5pm and 8pm fell by 67 per cent in the year to August 2026, while battery output reached record levels.
EnergyEdge reported that batteries accounted for 49 per cent of dispatchable power in August, compared with just 0.4 per cent in 2020.
Those figures cover batteries across the electricity system, rather than household batteries alone, so they should not be read as a measure of rooftop battery use. They do show how quickly stored electricity has moved from a relatively small part of the system to a much larger source of evening supply.
That shift also changes the role of rooftop solar. A panel system once offered a fairly straightforward proposition: generate electricity during the day and export whatever you did not use.
The growing battery market adds another option. Generate electricity, use what you need, store some of the rest, and export only what is left.
More Rooftop Solar Is Expected Through 2030
The record in April may therefore be part of a longer period of growth rather than an isolated spike.
The Clean Energy Council expects Australia’s rooftop solar capacity to reach 37.2 GW by June 2030 if current installation trends continue. That would put rooftop solar above the Australian Energy Market Operator’s projection of around 36 GW for rooftop solar in the National Electricity Market by 2030.
More panels will add more electricity to the grid during the middle of the day. More batteries can absorb some of that generation and release it later.
For households considering solar now, the decision is therefore less about the panels alone. The useful comparison includes how much electricity you consume, when you consume it, what happens to your surplus generation and what your electricity retailer pays for exports.
April’s 442 MW record shows that Australians are still adding solar at a remarkable rate. The growing number of batteries shows that the way households use that solar is changing at the same time.
Solar is becoming less about simply producing more electricity and more about deciding when that electricity is most valuable.
