Battery storage capacity in the US more than tripled to 4,631GW in 2021 and increasingly broadened out of ancillary services, according to the Energy Information Administration (EIA).

Volkswagen has started construction of its 40GWh battery cell gigafactory in Salzgitter, Germany, and the company plans to dedicate capacity to grid-scale energy storage in future.

News in brief from around the world in energy storage.

Quinbrook developing A$2.5 billion ‘Supernode’ site in Queensland for storing energy and data that would include 2,000MWh of battery storage.

KULR Technology Group, a developer of battery safety and thermal management technologies, is buying 75MWh of batteries from a subsidiary of Taiwan Cement Corporation (TCC).

Enervenue has already got 5GWh of customer orders for its metal-hydrogen battery for stationary storage.

Construction has begun of a factory for long-duration flow batteries using iron and saltwater electrolyte in Queensland, Australia.

Update 7 July 2022: Eos Energy Enterprises confirmed that the additional orders from Bridgelink will be for Texas projects.

Iberdrola has commissioned a battery storage system in Ireland that will contribute to grid security as more renewables come online.

The first commercial sand-based thermal energy storage system in the world has started operating in Finland, developed by Polar Night Energy.