- It has happened! 200 days of 100% WindWaterSolar on CA's main grid in 2025 Including a record battery output of 47.69 GWh on 10/17 Gas down 18.5% v '24 & 37.2% v '23 PV up 14.6% v '24 & 43.5% v '23 Batteries up 56.8% v '24 & 202.7% v '23 Demand down 2.1% v '24 & 1.3% v '23Oct 19, 2025 16:35