What is the future of solar energy in Australia?2022-06-1401 FAQ About 15 gigawatts of solar and wind farms will probably start operating over 2018-2021. That’s on top of more than 2 gigawatts of rooftop solar to be added each year. It averages out at about 6 gigawatts of additional solar and wind power annually. Tags:wind power previousIs a solar farm a good investment?nextWhat is the future of solar energy?