Founded in 2017 and headquartered in Somerville, Massachusetts, Form Energy is an American energy technology company with roughly 900+ employees that has developed cost-effective, multi-day iron-air battery storage technology designed to keep the electric grid clean and reliable during prolonged periods of stress. Form Energy’s first commercial-scale manufacturing facility is located in Weirton, West Virginia, with additional operations in California and Pennsylvania. The company has signed multi-day energy storage agreements with leading US utilities and has expanded internationally with its first project in Ireland, backed by more than $1.4 billion in total funding.