ESS's Saltwater Flow Batteries Are Starting To Gain Traction

ESS's CEO, Eric Dresselhuys (center, wearing a blue jacket), taking a group of reporters on a tour ... [+] of the company's Energy Warehouse product for commercial and industrial customers and for mini-grid back-up power. The Energy Warehouses (the container seen on the right) contain iron redox flow batteries.ESS Tech, Inc.ESS Tech, Inc. (NYSE: GWH) is a Wilsonville, Oregon developer and manufacturer of iron redox flow batteries and a contender in the battle for the emerging long-duration energy storage ma ...