Rooftop solar in South Australia set a new winter record by meeting 99.9% of electricity demand, with batteries charging at above-average rates to absorb excess renewable electricity. The National Electricity Market also saw a new winter minimum operational demand record. Australia leads the world in rooftop PV penetration, with 41% of premises hosting systems. The AEMO stressed the importance of a dynamic power system to ensure a secure and reliable energy supply during the accelerating energy transition.
https://www.pv-magazine.com/2026/09/02/rooftop-solar-meets-99-9-of-sa-electricity-demand/