california

March 19, 2026
In this US news roundup, updates on solar-plus-storage projects from Google and DTE Energy, Sunraycer, Invenergy and SRP, Idemitsu Renewables, and Clēnera.
March 16, 2026
Geothermal and battery storage firm Ormat Technologies’ 80MW/320MWh Shirk battery energy storage system (BESS) in Visalia, California, US, has reached commercial operation.
March 12, 2026
In this US news roundup, we have financing updates for GridStor, Arevon, and Primergy, related to energy storage projects in Texas, California, and Nevada, respectively.
March 11, 2026
California’s rapid adoption of energy storage has been a major success, but market participation is complex and competitive, write Matt Drazenovich of TWAICE and Chris Swanson of Fullmark Energy.
March 11, 2026
Energy firm RWE added 2GW to its US operating capacity in 2025, bringing its total operational capacity to nearly 13GW across the country.
February 25, 2026
In this Energy-Storage.news roundup, FlexGen updates its EMS, LandGate launches a BESS site selection tool, ON.energy and Shoals target AI data centres, and Sunrun has a successful season of dispatching energy with PG&E.
February 19, 2026
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.
February 12, 2026
Tesla is set to officially launch its first vehicle-to-grid (V2G) programme in Texas, US, soon with eyes to expand into California.
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January 19, 2026
US-based iron-sodium battery manufacturer Inlyte Energy has successfully completed a factory acceptance test of its first field-ready battery at its facility near Derby, UK, witnessed by representatives from US utility Southern Company.
January 9, 2026
Jointly owned by Masdar and Igneo Infrastructure Partners, independent power producer (IPP) Terra-Gen’s Lockhart CL I and II battery energy storage system (BESS) projects have reached commercial operations in San Bernardino County, California, US.

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