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Home / California storage capacity passes 21 GW as battery fleet scales
Back·August 07, 2026·Solar Power World
Read at Solar Power World

California storage capacity passes 21 GW as battery fleet scales

SolarNews Brief

California has surpassed 21 GW of grid-connected energy storage, according to the California Energy Commission and Solar Power World reporting. The state had less than 700 MW of battery storage when Governor Gavin Newsom took office in 2019, making the new 21,112 MW total a more than 2,500% increase in about seven and a half years.

California now has 21,112 MW of installed energy storage, giving it one of the world's largest battery fleets. The total is roughly one-third of the state's peak demand during the September 2022 heat wave, when load exceeded 63,000 MW. For solar-heavy grids, the milestone shows how quickly batteries are becoming core operating infrastructure for evening supply, reliability and renewable integration.

Read the full story at Solar Power World

Source: Solar Power World. Solar News summarizes; the complete story is on the publisher's site.

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