In just the last three months of 2025, nine wind and solar projects added 2.1 gigawatts (GW) of new electricity generating capacity to the grid, and 1 GW, 2.3 gigawatt hours (GWh) of battery storage.
According to the report, more renewables were “switched on” in the dying months of 2025 than in any other quarter on record, leaving the previous record – 1.3 GW added in third quarter of 2021 – well behind.