The latest Clean Energy Regulator (CER) data shows investment in solar is setting a new annual record with final investment decisions (FID) for the September quarter sitting at 1 GW, following 2 GW in Q2, adding to the year’s already tallied 3.5 GW, and is approximately 30% above the previous annual solar FID record.
2.1 GW of total large-scale renewable capacity reached FID in the September quarter, which is an equal highest quarterly result, and brings total renewable FID to October 2026 to 5 GW.
That is higher than the previous full-year record of 4.9 GW and brings large-scale FID totals to almost 17 GW since 2022.
Rooftop solar added 90,042 installations and 894 MW of capacity in the September quarter, which is 35% higher than in Q3 2025, and year-to-date rooftop solar capacity is 45% higher than at the same point in October 2025.
Rooftop solar installations in Q3 were 39% higher than Q3 2025, and has so far added 2.8 GW in 2026, which almost matches the whole of 2025, with three months to go.
Q2 2026 was the biggest rooftop solar capacity quarter on record at 1 GW, and over 13 GW of small-scale solar has been installed since 2022.
9 GWh in Q3, and up from less than 2 GWh at the same time in 2025, with total home battery capacity in Australia now more than 5 times greater than when the scheme began on 1 July 2025.
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