ESS

USA | Funding: $374.5M (+)

Website: https://www.essinc.com/

ESS is a leading provider of long-duration energy storage solutions ideally suited for C&I, utility, microgrid and off-grid applications. Using food-grade, earth-abundant elements like iron, salt, and water for the electrolyte, its innovative iron flow battery system is changing how the industry deploys energy storage.