Form Energy is a long-duration energy storage company headquartered in Somerville, Massachusetts and Weirton, West Virginia. Its flagship product is an iron-air battery designed to store electricity for up to 100 hours, intended to enable utilities and grid operators to firm renewable generation across multi-day weather events, replace aging…
manufacturing energy-storage renewable-energy west-virginia clean-energy battery-storage apis-json grid-reliability utility-scale long-duration-energy-storage iron-air-battery multi-day-storage grid-modeling
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Updated
Aug 4, 2026