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California Solar Overtakes Gas as Battery Growth Reshapes the Grid
Key Takeaways
- EIA says utility-scale solar generation in CAISO rose 21% from January through May compared with the same period in 2024.
- Natural gas generation fell 60% over that span, while solar produced more electricity than gas on 82% of days.
- CAISO solar capacity reached 25 GW and battery storage grew to 16 GW between April 2024 and April 2026.
- Electricity imports doubled, aided by stronger hydro from the Pacific Northwest and early deliveries from the SunZia wind project.
DE
DT Editorial Team··via utilitydive.com







