Matthew Biss examines legislative moves regarding the safe siting and deployment of battery storage in California, the biggest market by state in the US.

Engie North America has partnered with CBRE Investment Management (CBRE IM) on a 2.4GW battery energy storage system (BESS) portfolio in Texas and California, US.

California utility Pacific Gas and Electric (PG&E) has announced its intent to return the Elkhorn battery energy storage system (BESS) to service by 1 June.

A news roundup focusing on Q1 financial results from Eos and Ormat with news of a rebrand from Hecate Grid, now Fullmark Energy.

Standalone BESS proposal from Engie has reached a permitting milestone in the California Energy Commission’s Opt-In Certification Program.

Developer and IPP Leeward Renewable Energy’s (LRE) 88MW/352MWh Chaparral Springs battery energy storage system (BESS) in Kern County, California is now fully operational.

US residential solar installer Sunrun’s virtual power plant (VPP) in California has more than quadrupled in size from 2024 to support the state’s grid as summer weather begins.

A panel discussed the impact of CAISO’s interconnection reforms at last month’s Energy Storage Summit USA 2025 in Dallas.

Flow battery startup Quino Energy and developer Long Hill Energy Partners have been awarded US$10 million in grant funding by the California Energy Commission (CEC) to support a 8MWh flow battery energy storage system (BESS) project in Lancaster, California, US.

Viridi Parente has acquired the former Moxion Power production facility in Richmond, California, US, and secured a US$9.3 million grant from the California Energy Commission (CEC).