Australia recorded a total of 763,320kW of solar systems installed in the first quarter of 2025, a nearly 3% decrease compared to the same quarter of the previous year. Of the total solar installations, 77% were in the Residential (0-15kW) category, with Origin emerging as the top installer in this segment. Small-Commercial (15-40kW) installations accounted for 16% while the remaining 7% 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 29.5% 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 2.47%.
New South Wales
NSW
NSW’s solar installation dropped by 14.95% compared to the same quarter last year.
Queensland
QLD
From QLD alone, 26.20% or a volume of 199,656kW contributed to clean and sustainable energy.
Victoria
VIC
Victoria’s total system installation slightly increased by 0.60% growth from the same quarter last year.
Western Australia
WA
9.7% of the total solar installations, equivalent to 73,784kW, have been completed in WA.
South Australia
SA
SA’s solar installation significantly increased by 20.41% 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 4.37% increase in the total installed volume for this quarter compared to Q1 2024.
