According to the Q4 2025 US Energy Storage Monitor from Wood Mackenzie Power & Renewables and the American Clean Power Association (ACP), 2025 energy storage installations surpassed 2024 capacity.

In this edition of the Energy-Storage.news US news roundup, EticaAG partners with Shell on battery immersion tech, Pacific Northwest National Laboratory begins utility-scale battery testing, and ON.Energy announces a transformer supply agreement.

 Utility Georgia Power has reached an agreement with the Public Interest Advocacy (PIA) staff of the Georgia Public Service Commission (PSC), that, if approved, will help lower energy costs and meet electricity demand in the state.

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.

Developer BrightNight and independent power producer (IPP) Cordelio Power have announced financial close of the 200MW/800MWh Greenwater battery energy storage system (BESS) in Washington state, US.

PJM has awarded 23 battery energy storage system (BESS) resources, totalling 2.2GW, with interconnection agreements (IAs) in its first transition cycle (TC1) of the reformed interconnection process.

Jason Beer of Fluence Australia, discusses some energy trends in Australia that are set to influence the development of the storage market.

Compressed air energy storage (CAES) developer Cache Power is partnering with construction company EllisDon to deliver a CAES facility in Northeast Alberta, Canada.

Two battery storage system developments from FRV Australia and AGL Energy, totalling 2,200MWh, have reached major milestones in Australia.

South Carolina public utility company Santee Cooper has applied for a Certificate of Environmental Compatibility and Public Convenience and Neccessity (CECPCN) with the state’s public service commission (PSC), for its 300MW/1,200MWh battery energy storage system (BESS).