California Just Crossed 21,000 MW of Battery Storage What 300,000 Smaller Systems Mean for Home Backup and Peak-Demand Costs

In House Contributor

Published on: 05/10/2026

California now has 21,112 MW of battery storage, up more than 2,500% since 2019 including 300,000+ smaller systems at homes, businesses, farms, and schools. Here's what the milestone means for SCE, SDG&E, and PG&E customers facing high evening rates.