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 ...

The Savant Power Storage 20 isn't just a clone of another popular battery. Instead, it takes a different approach to whole-home backup by giving you more control over the energy in your home. But one ...

Turning cheap daytime solar into electricity you can actually use at night just got a lot cheaper. A new analysis from energy think tank Ember shows that utility-scale battery storage costs have ...

One of the latest advances in renewable energy is called a Battery Energy Storage System, known by the acronym BESS. There are residential versions like the Telsa Powerwall, industrial sized batteries ...

AGAWAM — As northern California reels from two fires at the world’s largest lithium-ion battery facility, officials in Agawam are getting ready to welcome one. Eric Weinstein, the New England project ...

Flow batteries made from iron, salt, and water promise a nontoxic way to store enough clean energy to use when the sun isn’t shining. One of the first things you see when you visit the headquarters of ...