Startup Form Energy's first factory to produce iron-air energy storage batteries at a former Weirton, W. Va., steel mill site was completed in September, with an expansion now underway. As it expands ...

Battery energy storage systems (BESS), which enable utility companies and grid operators to access pools of surplus renewable energy on demand that would otherwise be wasted, play a central role in ...

The latest addition to the hum and crackle of the Jackson Fuller substation is more unassuming than the nearby electrical infrastructure. Encased in high, fire-resistant walls sit dozens of grey boxes ...

Marstek has unveiled a plug-in storage system with a two-kilowatt-hour capacity. The device plugs into a standard household socket and is designed to store solar power from balcony systems or draw in ...

A coalition of companies making and using large batteries for energy storage on the electric grid announced Tuesday a $100 billion investment commitment to make and buy grid batteries in the U.S.