Renewable energy developer-operator Arevon has entered into a long-term offtake agreement for a 250MW/1,000MWh battery energy storage system (BESS) in California with community choice aggregator (CCA) MCE.

Primergy has signed a “long-term” power purchase agreement (PPA) with California community energy supplier San Diego Community Power (SDCP).

News in brief from around the world in energy storage, featuring Ormat Technologies, Wärtsilä and Canadian Solar.

US independent power producer Clearway Energy has started commercial operations at its Daggett solar-plus-storage facility, which includes 482MW of solar capacity and 280MW of battery storage.

Ormat Technologies has signed a PPA for a California solar-plus-storage plant, shortly after announcing the start of commercial operations at two standalone battery projects.

California Community Choice Aggregator (CCA) Sonoma Clean Power has signed a deal for the output of a large-scale solar-plus-storage plant, while another CCA has launched a Request for Offers (RFP).

UK energy storage investor Gresham House and the clean energy arm of utility NextEra have moved forward with battery storage projects in California, US.

NextEra’s eight-hour energy storage project in California will use lithium-ion technology, but ‘battery chemistry did not play a major role in project evaluation’, offtaker Clean Power Alliance told Energy-Storage.news.

California utility Clean Power Alliance has inked a 15-year PPA with NextEra Energy Resources for an eight-hour duration energy storage project.

Advanced compressed air energy storage company Hydrostor has signed PPA for flagship large-scale project in California.