LS Power-owned REV Renewables and US development and investment company LS Power have commissioned the Tumbleweed Energy Storage facility in Kern County, California, US.

Energy-Storage.news Premium speaks with Arnab Pal, executive director at nonprofit Deploy Action, about the company’s recent California polling results.

In this US news roundup, CC Power signs an agreement with Hydrostor for 400MWh of its Willow Rock LDES project, PowerSecure builds microgrids in New Mexico, and ESS Inc acquires VoltStorage.

Energy-Storage.news Premium speaks with John Farrell, Co-Director of The Institute for Local Self-Reliance (ILSR), on rising utility costs and the role energy storage can play.

Chinese battery manufacturer Rept Battero and Energy Vault have signed a 2026 supply agreement in the United States.

Fengate Asset Management and Alpha Omega Power’s (AOP’s) 100MW/400MWh Caballero battery energy storage system (BESS) in California, has reached commercial operations.

Home battery systems company Haven Energy and California utility Clean Energy Alliance (CEA)  have partnered to provide homeowners in the state with battery energy storage systems (BESS) at no purchase or installation cost.

The California Public Utilities Commission (CPUC) has launched a US$280 million initiative to help low-income residents of the state install battery storage and solar panel systems.

Installed battery storage capacity in California, US has grown from 771MW in 2019 to more than 15,500MW as of 31 January, 2025.

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.