Headquartered in Somerville, MA and with employees in the San Francisco Bay Area and the Pittsburgh metropolitan area, we are working to accelerate the development of our breakthrough low-cost energy storage technology to enable a reliable, secure, and fully-renewable electric grid year-round.

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1 (844) 367-6462

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Somerville, MA

30 Dane St.
Somerville, MA 02143

Berkley, CA

2810 Seventh St.
Berkeley, CA 94710

Eighty Four, PA

42 84 Drive
Eighty-Four, PA 15330