Australia has reached a significant milestone in its energy transition, with over 40% of all households now equipped with rooftop solar photovoltaic (PV) systems. Latest data from the Clean Energy Regulator (CER), updated as of 16 June 2026, confirms that 4.437 million solar power systems have been installed on Australian homes and small businesses.

This robust uptake means approximately 40.71% of Australia’s 10.9 million homes are now generating their own electricity, solidifying the nation’s position as a global leader in residential solar penetration. The figures underscore a sustained consumer-led shift towards renewable energy, driven by rising electricity costs and the desire for greater energy independence.

“As at 16th June 2026, a total of 4.437 million solar power systems have been installed on Australian homes and small businesses. With an estimated number of 10.9 Million homes in Australia, this brings the total of all households in Australia that have solar panels to 40.71%.”

State-by-State Solar Champions

The CER data reveals varying levels of adoption across states and territories. Queensland continues to lead in the sheer volume of installations, with 1,194,390 systems. However, when measured by the percentage of homes with solar, South Australia narrowly surpasses Queensland, boasting an impressive 56.68% of households with solar systems.

State/TerritorySystems Installed (as of 16 June 2026)Homes with Solar (%)
Queensland1,194,39054.40%
South Australia458,21256.68%
New South Wales1,166,90534.68%
Victoria885,37331.50%
Western Australia573,12449.82%
ACT67,22335.92%
Tasmania66,40025.61%
Northern Territory25,64226.55%

Source: Clean Energy Regulator, 16 June 2026

This uneven distribution highlights the impact of state-specific incentives, network conditions, and consumer demographics on solar uptake. While South Australia and Queensland demonstrate exceptional adoption rates, other regions still present significant growth opportunities.

Battery Storage Surge Continues

The latest CER statistics also provide an update on the burgeoning home battery market. Since the introduction of the federal Cheaper Home Batteries Program on 1 July 2025, an additional 401,185 new batteries have been installed in Australian homes and businesses. This represents a substantial 1,326% increase compared to 2024 installations, demonstrating the immediate impact of government incentives on battery adoption.

Australia now has a total of 539,978 solar panel and battery (hybrid) systems, accounting for 12.17% of all solar owners. This rapid growth in battery storage is crucial for maximising the value of rooftop solar, allowing households to store excess daytime generation for use during peak evening periods and further reduce reliance on grid electricity. The federal rebate, which received an additional AUD$4.9 billion in funding in December 2025 to extend until 2030, has been a key driver, offering savings of approximately AUD$252 per kilowatt-hour (kWh) of storage for eligible systems.

While the rebate value saw adjustments from 1 May 2026, moving to a tiered approach to better balance support across different battery sizes, the program continues to provide significant financial incentives for homeowners considering energy storage. For a typical 10 kWh battery, the rebate can still deliver around AUD$2,720 in upfront savings.

Homeowners interested in leveraging these incentives can explore options for financing their solar and battery installations. Best Solar Panel & Home Battery Financing Options in Australia 2026: Loans, PPAs & Green Mortgages Explained

The Role of Smart Inverters in Grid Stability

As rooftop solar penetration grows, managing grid stability becomes increasingly important. In a related development, New South Wales and the ACT are progressively introducing requirements for new and upgraded rooftop solar systems under 200 kW to use Common Smart Inverter Profile Australia (CSIP-AUS) compliant inverters. This staged rollout, commencing in June 2026, will enable Distribution Network Service Providers (DNSPs) to send instructions to inverters in near real-time, allowing for temporary export reductions during rare minimum system load events. Victoria has already mandated CSIP-AUS compliance since October 2024.

This regulatory shift underscores the necessity of intelligent energy management as Australia’s grid integrates more distributed renewable energy. For consumers, understanding how smart inverters and home energy management systems (HEMS) interact with their solar setup is becoming more critical. Smart Home Energy Systems: Slash Your 2026 Australian Electricity Bills by Up To 30%

The continued growth in rooftop solar, coupled with the accelerating adoption of battery storage, positions Australian households at the forefront of the global energy transition. These latest figures from the Clean Energy Regulator provide a clear indicator of the scale and momentum of this transformation as of mid-2026.