 South Australia provided 29.2% of Australia's wind power in 2019, accounting for 41% of the state's electricity needs in 2019.By the end of 2011 wind power in South Australia reached 26% of the State's electricity generation, edging out coal-fired power for the first time.At that stage South Australia, with only 7.2% of Australia's population, had 54% of Australia's installed wind capacity.