As of 2018, Australia has one operating nuclear reactor, the OPAL research reactor at Lucas Heights, which supplies the vast majority of Australia’s nuclear medicine. … These are the only two nuclear reactors used in Australia. Neither of them has been used to generate electricity.

There are over 100 operating hydroelectric power stations in Australia, large and small, mostly located in southeastern Australia. The most well-known of these is the Snowy Mountains Hydro-Electric Scheme.

Wind power is one of the main renewable energy sources in Australia and contributed 8.1% of electricity supplied in 2019, with 35.4% of the total renewable energy supply.

Solar power in Australia is a fast-growing industry.  Solar accounted for 9.9% (or 22.5 TWh) of Australia’s total electrical energy production in 2020.