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Every fusion startup that has raised over $100M

Every fusion startup that has raised over $100M
Source: techcrunch
Author: Tim De Chant
Published: 12/31/2025

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The article highlights the recent surge in private investment and technological progress in fusion energy startups, which have moved fusion power from a distant dream to a more tangible prospect. Advances in computing power, AI, and high-temperature superconducting magnets have enabled more sophisticated reactor designs and better control of fusion reactions. A key milestone was achieved at the end of 2022 when a U.S. Department of Energy lab produced a controlled fusion reaction that reached scientific breakeven, proving the viability of the underlying science. This breakthrough has energized private fusion companies to accelerate development toward commercial fusion power plants that could disrupt trillion-dollar energy markets. Two leading fusion startups that have each raised over $100 million are Commonwealth Fusion Systems (CFS) and TAE Technologies. CFS, based in Massachusetts and closely affiliated with MIT, has raised nearly $3 billion to develop its Sparc tokamak reactor, which uses high-temperature superconducting magnets to contain plasma and aims to be operational by 2026 or 2027. CFS

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energyfusion-powernuclear-fusionsuperconducting-magnetspower-plantsrenewable-energyenergy-startups