Australia recorded a total of 771,066kW of solar systems installed in the first quarter of 2025, a 1.48% decrease compared to the same quarter of the previous year. Of the total solar installations, 75% were in the Residential (0-15kW) category, with Origin emerging as the top installer in this segment. Small-Commercial (15-40kW) installations accounted for 15% while the remaining 10% were in the Medium-Commercial (40-100kW) category, and were predominantly carried out by Sun Retail.
Origin took the lead in the total market share, surpassing Sun Retail with a volume of 37,918kW, representing 4.97% of the market. Formbay Trading remained the top STC trader.
New South Wales saw the highest number of solar panel installations, accounting for 29.2% of the market volume, totaling 224,938kW.
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Quarterly Wrap-up reports
national
national
The total solar panels installed in the country in the first quarter of 2025 decreased by 1.48%.
New South Wales
NSW
NSW’s solar installation dropped by 14.13% compared to the same quarter last year.
Queensland
QLD
From QLD alone, 25.90% or a volume of 199,656kW contributed to clean and sustainable energy.
Victoria
VIC
Victoria’s total system installation slightly increased by 1.52% growth from the same quarter last year.
Western Australia
WA
9.6% of the total solar installations, equivalent to 73,784kW, have been completed in WA.
South Australia
SA
SA’s solar installation significantly increased by 22% compared to last year’s quarter.
Australian Capital Territory
ACT
ACT only completed a few installations this quarter, representing a market share of 1.6%.
Tasmania
TAS
There has been an increased of 5.92% increase in the total installed volume for this quarter compared to Q1 2024.
