IPPs BrightNight and Cordelio Power have reached financial close on the 300MWac solar PV, 300MW/1,200MWh battery energy storage system (BESS) Pioneer Clean Energy Centre in Yuma, Arizona, US.
Recurrent Energy has closed a construction financing for an energy storage project in Arizona. Meanwhile, Cypress Creek Renewables has reached financial close for its solar-plus-storage project in Colorado.
Ameresco has put Arizona’s largest behind-the-meter battery energy storage system (BESS) into operation, meanwhile Alliant Energy has begun operating Wisconsin’s largest BESS to-date.
Energy storage developers are securing significant capital and strategic partnerships, with ESS Inc launching a 50MWh iron flow battery pilot, Energy Vault closing a US$300 million investment, and NineDot obtaining US$175 million in debt financing.
EDF Renewables has brought its 300MWh Milagro project online in New Mexico, while Enlight Renewable Energy has secured US$340 million in tax equity financing for its 940MWh Roadrunner project in Arizona.
According to the Q3 2025 US Energy Storage Monitor from Wood Mackenzie Power & Renewables and the American Clean Power Association (ACP), annual installations will not reach 2025 levels again until 2029.
Three US battery energy storage system (BESS) developers, GridStor, Flatiron, and Jupiter Power, have advanced BESS projects totalling 1.6GWh across Arizona, Massachusetts, and Michigan.
Tech giant Google has announced a partnership with utility SRP to help accelerate the commercialisation of non-lithium long-duration energy storage (LDES) technology.
