battery storage
CAISO’s Western Energy Imbalance Market saw an increase in battery storage capacity and coal use in 2025 compared with 2024, although the total load across the market did not increase over the year.
The California Public Utilities Commission ordered 6 GW of new capacity to meet forecast data center and electric vehicle loads — among other new demand — in the state.
A virtual power plant program with an indeterminate future set a record in 2025 for the capacity the plant contributed to California's electricity grid.
The California Energy Commission approved a $28 million grant to Electrochemistry Foundry for the development of a battery fabrication and testing facility in Hayward.
A new study looking at the business case for comparable behind-the-meter and front-of-the-meter battery storage systems in Massachusetts found that FTM storage “significantly outperformed” the BTM systems, despite significant programs and incentives supporting BTM storage in the state.
CAISO’s Market Monitor is concerned about potential gaming practices and inefficient bidding behavior in the ISO’s bid cost recovery process for battery storage resources.
An aggregation of more than 100,000 residential batteries provided an average 535 MW of support to California’s electricity grid during a test to prepare for the hot summer period ahead.
A new report shows the MISO footprint could ring up $27 billion in additional system costs through 2050 if it and members miss the boat on developing new gigawatts of battery storage.
California’s fastest-growing energy resource — battery storage — is earning less net revenue each year, while capacity is forecast to continue to boom.
Local line congestion is the primary cause of renewable curtailment in California — and the amount is increasing each year, CAISO said during its second-quarter Market Performance and Planning Forum.
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