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Commonwealth Fusion Systems

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The Tokamak Times

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CFS - 6 Month Update - January 2025

Fusion & Tech, January 8, 2025

CFS fusion progress: We’ve built more than half of SPARC’s magnet ‘pancakes’


Bob's View, CFS Business, December 17, 2024

CFS will build its first ARC fusion power plant in Virginia


Climate & Policy, December 6, 2024

How fusion powers the energy transition and a zero-carbon industrial revolution


Fusion & Tech, Star Builders, December 6, 2024

Fusion 101: How to harness fusion to make a power plant

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SPARC tokamak hall

CFS Business, October 22, 2026

How an $85M federal award would help CFS, fusion energy, and U.S. chip industry

A panoramic view shows the interior of Alcator C-Mod, a type of donut-shaped fusion machine called a tokamak, at the Massachusetts Institute of Technology’s Plasma Science and Fusion Center. Credit: MIT Plasma Science and Fusion Center

Energy Innovators, Fusion & Tech, September 30, 2026

How the Alcator C-Mod tokamak blazed the CFS trail to fusion power

Inside the SPARC Cryogenic plant

Fusion & Tech, September 16, 2026

Cryogenics: How we’ll make our fusion machine magnets colder than Pluto

The two halves of the SPARC tokamak seen from above

Fusion & Tech, August 28, 2026

Why CFS is confident we’ll demonstrate net fusion energy: Q>1

An illustration of the ARC tokamak with two bystanders for size comparison

CFS Business, Climate & Policy, August 5, 2026

SPARC progress, DOE Milestone approvals reflect CFS power plant maturity

Alex Creely, Chief Engineer for ARC, answers questions about our ARC physics basis papers

Energy Innovators, Fusion & Tech, July 21, 2026

Four CFS physicists answer your burning questions about our ARC power plant

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