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Fusion Systems

Commonwealth Fusion Systems

  • Technology
    • Overview
    • SPARC
    • ARC
    • HTS Magnets
    • Publications
  • Company
    • Our Story
    • Mission
    • Open Innovation
    • Commercial Partners
    • Become a supplier
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  • Locations
    • Devens, Mass.
    • Chesterfield County, Va.
  • Careers
The Tokamak Times
A cross section of Commonwealth Fusion Systems' SPARC tokamak illustrates the fusion process, with a pink glowing region showing the superhot plasma inside the donut-shaped machine.

CFS Business, Fusion & Tech, October 16, 2025

With AI alliance, Google DeepMind and CFS take fusion to the next level

Utility Building in the SPARC facility in Devens, MA

CFS Business, September 4, 2025

How $863M in new funding fast-tracks commercial fusion power

Commonwealth Fusion Systems CEO Bob Mumgaard, wearing an orange safety vest and blue hard hat, speaks in Tokamak Hall in front of the base of the SPARC tokamak.

CFS Business, July 28, 2025

What’s new at CFS: SPARC assembly and commissioning work begins

Alex Creely inside the utility building of Commonwealth Fusion Systems' SPARC machine

Fusion & Tech, June 23, 2025

Look inside the SPARC fusion facility as CFS powers on its first systems

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117 Hospital Rd
Devens, MA 01434

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