ESS Tech, Inc. (GWHT)

ESS Tech, Inc. is an energy storage company that designs and builds iron flow batteries for commercial and utility-scale use around the world. Its products include Energy Warehouse, a behind-the-meter system, and a gigawatt-hour scale storage product with a configurable layout that fits different sites and lets power be sized separately from capacity. The company was founded in 2011 and is headquartered in Wilsonville, Oregon.