How many solar panels have been installed in Australia?2022-07-0301 FAQ Australia has the highest uptake of solar globally, with more than 21% of homes with rooftop solar PV. As of 31 December 2020 more than 2.66 million rooftop solar power systems have been installed across Australia (source: CER). Tags:solar industry previousHow many jobs will renewable energy create Australia?nextWhat is the largest wind farm in Australia?