During the morning of 30 August 2025, the California Department of Forestry and Fire Protection (CAL FIRE) responded to a possible vegetation fire in the area of independent power producer (IPP) Arevon Energy’s California Flats solar-plus-storage project.

Energy-Storage.news Premium speaks with Sergio Melendez, storage sector manager at CAISO, and Ali Karimian, market optimisation director at GridBeyond, about regulating Bid Cost Recovery Payments in the California Independent System Operator market.

California utility Pacific Gas and Electric (PG&E) has pushed back recommissioning of the Elkhorn battery energy storage system (BESS) by approximately one year, to 30 June 2026.

Following in the footsteps of several other US jurisdictions this year, officials at California’s Orange County are one step closer to amending zoning laws to allow the development of BESS. 

After an initial rush to deploy that gave CAISO and ERCOT the lead in US BESS adoption, both markets are focused on capacity and availability, writes Amit Mathrani of Rabobank Americas.

Independent power producer (IPP) Fullmark Energy has announced the commercial operation of its 20MW/40MWh Ortega energy storage project in Lake Elsinore, California, US.

After imposing a moratorium on the development of new battery storage projects in January 2024, officials in Solano County, California, have adopted new zoning standards for the technology.

A 535MW fleet of aggregated household battery storage systems, including Tesla Powerwalls, effectively reduced net load on the California grid in a recent test event.  

Energy storage developer and system integrator Energy Vault has received approval to pursue market-based participation in the California Independent System Operator (CAISO) with the Calistoga Resiliency Centre (CRC).

Energy-Storage.news Premium speaks with microgrid solutions provider BoxPower’s Director of Business Development, Fallon Vaughan and Sales and Marketing Coordinator Noa Schachtel, about the company’s microgrid offerings.