Form Energy
ManufacturingMassachusetts, United States501-1000 Employees
Form Energy is an American manufacturing company focused on energy storage technology, headquartered at 30 Dane Street in Somerville, Massachusetts 02143. The company develops and manufactures long-duration energy storage solutions, including iron-air battery systems designed to support a clean, secure, and reliable electric grid during extended periods of stress. It operates facilities in West Virginia, Pennsylvania, Massachusetts, and California and employs between 501 and 1,000 people. In 2026 the company expanded its manufacturing footprint to Weirton, West Virginia, began delivering a commercial pilot system in Minnesota, and pursued expansion to Ireland and Northern Europe. The year also saw leadership additions and partnerships, including the appointment of Arumugam Manthiram as Technical Fellow and Advisor and a collaboration with Crusoe Cloud to supply 12 gigawatt-hours of iron-air batteries for AI data centers.