Battery storage projects from Hynfra Energy Storage and OX2 totalling 130MWh have won contracts in energy auctions in Poland this week.

The power solutions arm of Mitsubishi Heavy Industries will deploy three co-located battery storage projects for Origis Energy in the Southeast United States.

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.

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.

California utility PG&E has invited residential and commercial customers to enrol onto three vehicle-to-everything (V2X) programmes using EV batteries for a range of use cases.

Developers OX2 and Ingrid Capacity have started work on two battery storage projects totalling 60MW of power in Sweden.