After a slow start, the solar revolution is buzzing right along in Australia. Around 4.4 million homes now have a solar system on the roof, which is a lot more than the 132,697 of 10 years ago.
Household arrays produced 14.2% of the energy supplied to the electricity grid in 2025, almost double the amount of five years earlier.
The public interest in solar has rapidly picked up pace as various state and federal subsidies have been rolled out.
As of 19 May this year, 343,874 solar batteries had already been installed under the federal government鈥檚 Cheaper Home Batteries Program, which was launched in July 2025.
Households with solar save about $1500 a year on their energy costs, so it鈥檚 no surprise that more and more people are jumping on board.
鈥淎ustralia鈥檚 rooftop solar uptake is a national triumph and now accounts for 28.3 GW of installed capacity, eclipsing that of the country鈥檚 entire fleet of coal-fired generators鈥�, Clean Energy Council chief executive Jackie Trad said in February.
Australia鈥檚 rooftop solar uptake is a national triumph and now accounts for 28.3 GW of installed capacity, eclipsing that of the country鈥檚 entire fleet of coal-fired generators
Clean Energy Council chief executive Jackie Trad
鈥淚t not only leads our national renewables rollout but also leads the rest of the world on a per capita basis.鈥� (A gigawatt, or GW, equals 1 billion watts.)
鈥淸Australians] have long had an appetite for energy independence to drive down bills and as a result have been adopting solar and battery technology at record pace for the last several years,鈥� Trad said, adding that recent government home battery programs 鈥渉ave strapped a rocket to this momentum鈥�.
It鈥檚 exciting times, except for around half of households in Australia, who face big obstacles.
A recent report from Energy Consumer Australia (ECA) points out that 33% of Australians rent their homes and have little control over which power sources come with them.
A further 7% are owner-occupiers living in apartments, where strata rules can throw a spanner into any attempt to install a solar system.
Then there鈥檚 the 10% of Australians who have a household income below $50,000, making it a long shot to purchase solar equipment, even with government subsidies on offer.
鈥淥ur data shows that millions of households are being locked out of the solar and battery revolution,鈥� says ECA executive manager for analysis and advocacy, Ashley Bradshaw.
As a stopgap measure, the advocacy group is calling on state and territory governments 鈥渢o urgently introduce minimum energy performance standards for rental properties, so renters can reduce their energy bills and improve their comfort and wellbeing, even if they cannot access solar or batteries directly鈥�.
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How does the Solar Sharer Offer fit in?
Starting in July this year, the federal government鈥檚 new Solar Sharer Offer (SSO) will be available to households in NSW, South Australia, and South East Queensland, where the Default Market Offer applies. (The DMO is a regulated price 鈥� or “safety net” 鈥� designed to protect energy customers who passively accept their retailer鈥檚 default plan.)
Households with or without solar power are eligible as long as they鈥檙e equipped with a smart meter, including households that rent.
Under the program, energy retailers with more than 1000 customers will be required to offer a minimum of three hours of free electricity in the middle of the day, when solar power generation reaches its height. SSO offers are optional and will be available from your retailer. Free power usage will be capped at 24kWh per day.
Energy retailers with more than 1000 customers will be required to offer a minimum of three hours of free electricity in the middle of the day
In NSW and South East Queensland, the SSO plans on offer will include free electricity from 11am to 2pm, and in South Australia from 12pm to 3pm.
The goal for regulators is for energy customers to help use up all the excess solar power generated during the daytime.
In a consultation paper submitted to the federal government in December last year, ECA called for the SSO to be supported by 鈥渃areful design and implementation鈥�.
鈥淭his will not be achieved if costs are simply shifted to other times or other parts of the bill,鈥� ECA wrote.
ECA also called for price guarantees 鈥渢o ensure consumers do not end up paying more if they move to the SSO鈥�.
Between those who can鈥檛 easily access or afford solar and those who already have it lies a large segment of the population that is still thinking about it.
鈥淭here remains a massive, untapped appetite for small-scale energy in Australia,鈥� Bradshaw says.
鈥淥ur data reveals that 15% of Australian homes do not face these major barriers and are currently researching solar, while another 23% say they are interested in getting a battery. These aren’t households locked out by apartment living or rental agreements, these are families ready to invest right now.鈥�
Households that have yet to embrace solar ‘should have tailored, trusted, and well-publicised advice and support to make better energy decisions…’
ECA executive manager for analysis and advocacy, Ashley Bradshaw
The hesitation can be linked to a limited understanding of the costs and benefits. Bradshaw says households that have yet to embrace solar 鈥渟hould have tailored, trusted, and well-publicised advice and support to make better energy decisions, including the purchase of a battery鈥�.
He cites the efforts of Victoria鈥檚 State Electricity Commission, which recently launched a free advice service, Easy Electric SEC, to help households dispense with gas and go all-electric, including through solar technologies.
鈥淲e think all Australians deserve such advice and we encourage all governments to fund similar services.鈥�
But getting rid of gas isn鈥檛 any easier than taking up solar if you鈥檙e a renter of a living in an apartment, as ECA made clear in an earlier report.
The technical obstacles to Australia fulfilling its geographical destiny of being fueled by the sun are dropping away day by day.
But the bigger hurdles seem to be socioeconomic, and they may be the hardest ones to overcome.
Andy Kollmorgen is the Investigations Editor at 糖心Vlog. He reports on a wide range of issues in the consumer marketplace, with a focus on financial harm to vulnerable people at the hands of corporations and businesses. Prior to 糖心Vlog, Andy worked at the Australian Securities and Investments Commission (ASIC) and at the Australian Financial Review along with a number of other news organisations. Andy is a former member of the NSW Fair Trading Advisory Council. He has a Bachelor of Arts in English from New York University.
Andy Kollmorgen is the Investigations Editor at 糖心Vlog. He reports on a wide range of issues in the consumer marketplace, with a focus on financial harm to vulnerable people at the hands of corporations and businesses. Prior to 糖心Vlog, Andy worked at the Australian Securities and Investments Commission (ASIC) and at the Australian Financial Review along with a number of other news organisations. Andy is a former member of the NSW Fair Trading Advisory Council. He has a Bachelor of Arts in English from New York University.
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