aid: commonwealth-fusion-systems
name: Commonwealth Fusion Systems
description: >-
  Commonwealth Fusion Systems (CFS) is a commercial fusion energy company
  headquartered in Devens, Massachusetts and spun out of the MIT Plasma Science
  and Fusion Center in 2018. CFS is developing tokamak-based fusion systems
  built around high-temperature superconducting (HTS) REBCO magnet technology
  that enables substantially smaller, faster, and lower-cost fusion machines
  than prior generations. The company's technology pipeline starts with SPARC,
  a net-energy demonstration tokamak under construction at the Devens campus,
  and continues with ARC, the planned first commercial fusion power plant,
  sited in Chesterfield County, Virginia in partnership with Dominion Energy
  and targeted to deliver approximately 400 MW of electricity to the grid in
  the early 2030s. CFS is backed by a deep investor base including Breakthrough
  Energy Ventures, Eni, Equinor, Google, Temasek, Tiger Global, Khosla
  Ventures, Bill Gates, Soros Fund Management, Lowercase Capital, John Doerr,
  and TIME Ventures. CFS does not publish a public developer API or SDK;
  engagement is via partnerships, careers, and investor channels.
type: Index
position: Provider
access: 3rd-Party
image: https://kinlane-images.s3.amazonaws.com/shared/apis-json/apis-json-logo.jpg
tags:
  - Fusion Energy
  - Tokamak
  - SPARC
  - ARC
  - HTS Magnets
  - High-Temperature Superconductors
  - REBCO
  - Clean Energy
  - MIT
  - Devens
  - Chesterfield County
  - Dominion Energy
url: https://raw.githubusercontent.com/api-evangelist/commonwealth-fusion-systems/refs/heads/main/apis.yml
created: '2026-05-23'
modified: '2026-05-23'
specificationVersion: '0.20'
apis: []
common:
  - type: DomainSecurity
    url: security/commonwealth-fusion-systems-domain-security.yml
  - type: Website
    url: https://cfs.energy
  - type: Technology
    url: https://cfs.energy/technology
  - type: SPARC
    url: https://cfs.energy/technology/sparc
  - type: ARC
    url: https://cfs.energy/technology/arc
  - type: Magnets
    url: https://cfs.energy/technology/magnets
  - type: About
    url: https://cfs.energy/about-us
  - type: News
    url: https://cfs.energy/news-and-media/
  - type: Blog
    url: https://blog.cfs.energy
  - type: Careers
    url: https://jobs.lever.co/cfsenergy
  - type: Contact
    url: https://cfs.energy/contact
  - type: PrivacyPolicy
    url: https://cfs.energy/privacy-policy/
  - type: Email
    url: mailto:info@cfs.energy
  - type: PressEmail
    url: mailto:press@cfs.energy
  - type: InvestorEmail
    url: mailto:investment@cfs.energy
  - type: LinkedIn
    url: https://www.linkedin.com/company/commonwealth-fusion-systems
  - type: Twitter
    url: https://twitter.com/CFS_energy
  - type: YouTube
    url: https://www.youtube.com/@CommonwealthFusionSystems
  - type: Instagram
    url: https://www.instagram.com/cfs.energy
maintainers:
  - FN: Kin Lane
    email: kin@apievangelist.com