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In 2022, 32% of Australia’s total electricity generation was from renewable energy sources, including solar (14%), wind (11%) and hydro (6%). The share of renewables in total electricity generation in 2022 was the highest on record, a share 1 percentage point higher than the earlier 2021-22 financial year. The historical peak of renewables share of total generation was 26% in the mid-1960s as the Snowy Mountains hydroelectric scheme came progressively online.

Solar and wind have been the primary drivers in more than doubling renewable generation expansion over the last decade. Small-scale solar generation grew 18% in 2022, and by an average of 22% per year since 2015. Wind generation grew 11% in 2022 and by an average of 14% per year since 2015. Hydro power output has fluctuated around a fairly consistent level according to rainfall and market conditions, losing predominance as generation sources diversified.

Recently, large-scale solar generation has begun rapid expansion. Large-scale solar generation has grown from negligible levels before 2016 to 5% of all Australian electricity generation in 2022, representing a five-year growth rate of 1,573%.