Adelaide, South Australia
Image: Trentino a Priori, Wikimedia Commons
Compare the market that said in a new report that Australia leads in low residential solar costs, with PV installations on the roof more than Aud 2 ($ 1.25)/W cheaper than the most affordable regions in Canada and the United States.
The lowest residential solar posts between all regions studied, on Just Aud 0.80/W, are in South Australia, where Sun on the roof has been installed on more than 40% of the houses, according to the research agency.
![](https://www.pv-magazine-australia.com/wp-content/uploads/sites/9/2025/02/Australian-solar-installation-costs-600x276.jpg)
Compare the market Head of Energie, Meredith O’Brien, said that the results were a positive sign for Australian consumers, and noted that although installing solar energy options requires pre-costs, the long-term savings can be worthwhile.
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