Arevon, Banpu Power (BPP) and Energy Vault have made BESS project announcements totalling 1,550MWh of capacity in the US.

In this US news roundup, updates on solar-plus-storage projects from Google and DTE Energy, Sunraycer, Invenergy and SRP, Idemitsu Renewables, and Clēnera.

Geothermal and battery storage firm Ormat Technologies’ 80MW/320MWh Shirk battery energy storage system (BESS) in Visalia, California, US, has reached commercial operation.

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.

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.

Energy firm RWE added 2GW to its US operating capacity in 2025, bringing its total operational capacity to nearly 13GW across the country.

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.

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.

Tesla is set to officially launch its first vehicle-to-grid (V2G) programme in Texas, US, soon with eyes to expand into California.

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.