With facilities and offices in Weirton, WV, the Boston area, and the San Francisco Bay Area, we are developing, manufacturing, and commercializing breakthrough iron-air energy storage systems to enable a reliable, secure, and clean electric grid year-round.

26 Iron Way
Weirton, WV 26062

30 Dane St.
Somerville, MA 02143

793 Heinz Ave.
Berkeley, CA 94710
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