The first energy storage asset built using Wärtsilä’s new Quantum High Energy battery energy storage system (BESS) solution will be a 300MW/600MWh project in Scotland, UK.

Arizona utilities Tucson Electric Power (TEP) and UniSource Energy have launched a request for proposals (RFP) for 825MW of ‘firm power’, primarily energy storage, alongside 625MW of renewables.

Gas and geothermal plant developer and operator Calpine Corporation has closed a syndicated financing for what could be one of the largest battery energy storage system (BESS) projects in the US.

A consortium including Copenhagen Infrastructure Partners (CIP) and utility EDF has won preferred bidder status for three battery energy storage system (BESS) projects in South Africa.

Utility PNM has been given the green light for two battery energy storage system (BESS) projects in New Mexico which will support overloaded feeders at two locations.

Norway-based IPP Scatec has won preferred bidder status for a 103MW/412MWh battery energy storage system (BESS) project in South Africa, part of a 513MW tender.

Bids have been received by Latvia’s grid operator AST for an 80MW/160MWh BESS project while developers Corsica Sole and Everon will build a 200MW system in Estonia, as the Baltic region prepares to decouple from Russia’s electricity system in 2025.

The national electric utility of Senegal, Senelec, has signed a 20-year capacity change agreement (CCA) with developer Infinity Power for a 40MW/160MWh battery energy storage system (BESS) project.

Developers Matrix Renewables and Emeren have agreed a deal for a 410MW/3,280MWh BESS project portfolio in Italy, equating to an average discharge duration of 8 hours.

Amendments to rules for battery storage state-of-charge (SOC) in the ERCOT, Texas, market are ‘an improvement’ to the current ones but will still impact the ability of batteries to provide ancillary services, Gridmatic has said.