Battery storage developer Spearmint Energy has started building a 150MW/300MWh unit in the ERCOT, Texas market, its first project.

Investor Claritas and system integrator Hynfra Energy Storage (HES) have signed a framework agreement to deploy half a gigawatt of utility-scale battery energy storage in Poland.

South Africa’s grid operator Eskom has issued a procurement notice for two grid-scale battery projects totalling 36MW/146MWh of energy storage, while the state-owned company’s CEO resigned this week.

Developer Kyon Energy, investor Obton and system integrator ECO STOR have commissioned 27.6MW/32.4MWh of battery storage across two sites in Germany.

Spain-based renewable energy firm Acciona Energia has acquired a two-hour energy storage system in ERCOT, Texas, from Qcells.

Sungrow will provide a 638MWh liquid-cooled battery energy storage system (BESS) to Engie for a solar-plus-storage project in Chile.

Berkshire Hathaway-owned NV Energy has been revealed as the ‘large western utility’ that has ordered a 220MW/440MWh battery energy storage system (BESS) from Energy Vault.

AI-driven energy storage firm Stem Inc will deliver 40MW of battery storage projects in ERCOT, Texas, for independent power producer REX, the first of US$400 million the new firm plans to procure.

South Africa’s main utility and grid operator Eskom has announced the start of construction of its first battery energy storage system (BESS) with Hyosung Heavy Industries.

The US Department of Energy (DOE) has provided US$7.9 million for a 50MWh battery energy storage project using second life EV batteries in the ERCOT, Texas market, by Element Energy and NextEra Energy Resources.