Wind power is one of the main renewable energy sources in Australia. In 2019, wind power accounted for 8.5% (19.5 TWh) of Australia’s total electricity demand (229.9 TWh) and 35.4% of total renewable energy supply. As of December 2019, there was 6,279 megawatt (MW) of installed wind power capacity and a further 21,845 MW of capacity was proposed or committed to the electricity sector in Australia as of February 2020. At the end of 2019 there were 101 wind farms in Australia, most of which had turbines from 1.5 to 3 MW. In addition, 30 projects with a combined installed capacity of more than 5,500 MW are either under construction or committed to be built in 2020/21 having reached financial closure. Australian wind power to grid peaked at 4 GW in February 2019.