Enervenue has completed UL9540A tests for its nickel-hydrogen cells, units and systems and obtained UL1973 certification.

ESS Inc. has received UL1973 certification for the battery modules in its utility and industrial flow battery energy storage systems.

Invinity Energy’s UL1973 safety certification will open up doors for its technology and streamline complex project development steps.

Long-duration zinc battery energy storage system maker Eos Energy Enterprises’ order book, backlog and sales pipelines have greatly increased, but the company has also incurred significant costs as it puts in efforts to reach scale in manufacturing and deployments.

Largo Resources, a vertically-integrated vanadium supplier launching its own line of redox flow batteries for energy storage, is establishing 1.4GWh of annual battery stack manufacturing capacity.