This is the first edition of a new, half-yearly report, monitoring the progress of the deployment of rooftop solar and behind-the-meter energy storage systems in Australia. The rooftop solar and battery installation data featured in this report is sourced from data partner for these Rooftop Solar and Storage reports, SunWiz, with supplementary data from Green Energy Markets – the Clean Energy Council’s (CEC) data partner for our annual Clean Energy Australia report – referenced in some instances. The report’s section on installer, product and approved seller accreditation, draws on CEC data.

Key findings:

• Collectively, rooftop solar is now the second largest source of renewable electricity generation in Australia (behind wind energy generation), and the fourth largest source of electricity generation, providing approximately 11.2 per cent of the country’s power supply.
• 2023 saw rooftop photovoltaic (‘PV’) installations surpassed a total of 20 GW installed capacity in Australia.
• With 970 MW of new rooftop solar systems installed in 2023, New South Wales broke the record for the highest annual installed capacity of any state ever recorded.
• The total number of rooftop solar installations in Queensland surpassed the one million mark, the first state to do so.
• Fifty-seven thousand behind-the-meter batteries were installed in 2023.