Solar, onshore wind and gas backup is (still) the cheapest way to power Australia: new report
- Written by Tony Wood, Program Director, Energy, Grattan Institute
yingchao li/UnsplashWhat’s the cheapest way to power Australia? Every year, CSIRO researchers and modellers seek to answer this very large question in their GenCost report.
On one level, the answer in the draft 2025–26 report is unsurprising: solar and wind are the cheapest form of generation.
However, this report has gone further by...





