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cfs

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Summary

Founded 2018, spun out from MIT Plasma Science and Fusion Center (PSFC). Uses high-temperature superconducting (HTS) magnets + tokamak design (NOT FRC). SPARC facility ~75% complete (2025). HTS magnets verified at 20 tesla (world record, Sept 2021). 6 IEEE Transactions papers confirming magnet design (March 2024). Tokamak assembly began March 2025 — cryostat base installed. Target: Q>1 demonstration. ARC power plant: Chesterfield County, Virginia, early 2030s. $2B+ raised (Bill Gates, Eni, others). Competes with FRC approaches for funding but uses fundamentally different technology.

Deep Dive Analysis

Overview

Founded 2018, spun out from MIT Plasma Science and Fusion Center (PSFC). Uses high-temperature superconducting (HTS) magnets + tokamak design (NOT FRC). SPARC facility ~75% complete (2025). HTS magnets verified at 20 tesla (world record, Sept 2021). 6 IEEE Transactions papers confirming magnet design (March 2024). Tokamak assembly began March 2025 — cryostat base installed. Target: Q>1 demonstration. ARC power plant: Chesterfield County, Virginia, early 2030s. $2B+ raised (Bill Gates, Eni, others). Competes with FRC approaches for funding but uses fundamentally different technology.

Entity Type: Organization — Commonwealth Fusion Systems operates as an institutional actor in the defense/aerospace ecosystem.

Network Relationships

Commonwealth Fusion Systems connects to 5 entities in the intelligence network:

Organisations (3):

  • ← Realta Fusion: CFS supplied 17T HTS magnets for WHAM
  • ← Type One Energy: Licensed HTS magnet technology from CFS/MIT
  • ← Strong Atomics: Portfolio company

Programs (1):

Projects (1):

  • → ITER: HTS tokamak — mainstream approach competitor

Source Documents

Intelligence derived from 4 source documents:

  • MIT News — HTS magnet verification (March 2024)
  • CFS blog — SPARC assembly (2025)
  • Ars Technica — commercial fusion progress (April 2025)
  • IEEE Transactions on Applied Superconductivity (March 2024)

Key Findings

  • ▸ Entity Type: Organization — Commonwealth Fusion Systems operates as an institutional actor in the defense/aerospace ecosystem.
  • ▸ ← Realta Fusion: CFS supplied 17T HTS magnets for WHAM
  • ▸ ← Type One Energy: Licensed HTS magnet technology from CFS/MIT
  • ▸ ← Strong Atomics: Portfolio company
  • ▸ ← DOE Milestone Program: Recipient (tokamak)

Related Entities (5)

iter

PROJECT
→ HTS tokamak — mainstream approach competitor
Dossier Main Graph

doe-milestone-program

PROGRAM
← Recipient (tokamak)
Dossier Main Graph

realta-fusion

ORGANISATION
← CFS supplied 17T HTS magnets for WHAM
Dossier Main Graph

type-one-energy

ORGANISATION
← Licensed HTS magnet technology from CFS/MIT
Dossier Main Graph

strong-atomics

ORGANISATION
← Portfolio company
Dossier Main Graph

Network Graph

Explore cfs and its connections in the interactive network graph.

View in Network Graph

Timeline Mentions (5)

2017

Compact Fusion Systems (Santa Fe) founded — FRCHX commercial continuation

CFS-NM commercializes AFRL liner compression. Team has AFRL/NRL SLC experience. ARPA-E funded equipment transfer.

fusion-research
2020

ARPA-E BETHE program launches as ALPHA successor

Broader scope: magnets, novel concepts, materials. Funds WHAM (Realta) and CFS-NM. FIRE Collaboratives follow ($180M).

fusion-research
2024

WHAM magnetic mirror experiment achieves first plasma

17T HTS magnets (world record). Revives Project Sherwood magnetic mirror concept. CFS supplied magnets.

fusion-research
2025

CFS begins SPARC tokamak assembly

75% complete. HTS magnets at 20T. Target Q>1. ARC power plant in Virginia early 2030s.

fusion-research
2025

Type One Energy building Infinity One at retired TVA coal plant

$220M investment. 6 papers in J. Plasma Physics. HTS magnets from CFS. Exascale computing at ORNL.

fusion-research
View Full Timeline →

Source Documents (4)

Research References

Search the research archive for documents and investigations related to cfs.

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Frequently Asked Questions

What is cfs? ▾
Founded 2018, spun out from MIT Plasma Science and Fusion Center (PSFC). Uses high-temperature superconducting (HTS) magnets + tokamak design (NOT FRC). SPARC facility ~75% complete (2025). HTS magnets verified at 20 tesla (world record, Sept 2021). 6 IEEE Transactions papers confirming magnet design (March 2024). Tokamak assembly began March 2025 — cryostat base installed. Target: Q>1 demonstration. ARC power plant: Chesterfield County, Virginia, early 2030s. $2B+ raised (Bill Gates, Eni, others). Competes with FRC approaches for funding but uses fundamentally different technology.
What is cfs connected to? ▾
cfs is directly connected to 5 entities in the network graph, including iter, doe-milestone-program, realta-fusion. These connections represent documented relationships such as HTS tokamak — mainstream approach competitor, Recipient (tokamak), CFS supplied 17T HTS magnets for WHAM. Explore the full network using the interactive graph for complete relationship mapping.
When did cfs appear in the timeline? ▾
cfs is referenced in 5 timeline events, spanning from 2025 to 2017. Key events include "Compact Fusion Systems (Santa Fe) founded — FRCHX commercial continuation" and "ARPA-E BETHE program launches as ALPHA successor". View the full timeline for chronological context.
Where can I find more details about cfs? ▾
A full intelligence dossier is available for cfs, including 4 source documents, deep-dive analysis, and network linkage assessment. Visit the dossier page for the complete profile.

Related Links

Network Graph Timeline Dossiers Glossary Research Full Dossier