Energy-Storage.news spoke with Noemí Gallardo, Commissioner at the California Energy Commission (CEC), at the US Solar & Storage Finance event in Garden Grove, California, about the growth of BESS within the state.

Residential battery energy storage systems (BESS) across California discharged more than 580MW of peak power to the state’s grid on the evening of 9 September 2026 via a Tesla-Sunrun VPP.

Utility PG&E has selected six new California microgrid projects for a US$30 million investment, while Massachusetts’ Department of Energy Resources is awarding US$40 million across 36 BESS projects.

California’s Assembly Appropriations Committee advanced two virtual power plant (VPP) bills aimed at reducing energy rates in the US state.

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.