With a new $100M raise, Princeton’s Thea Energy is now a top-funded fusion startup
Thea Energy has successfully raised $100 million in a Series B funding round, positioning itself among the top-funded fusion startups. This funding will enable the company to expand its manufacturing capabilities and begin construction of its demonstration reactor, Eos. Thea's innovative approach to magnet design aims to simplify the complexities of fusion reactor construction, potentially giving it a competitive edge in the industry.
- ▪Thea Energy raised $100 million in an oversubscribed Series B funding round.
- ▪The funding will help expand manufacturing for its uniquely designed magnets and begin construction of its demonstration device, Eos.
- ▪Thea's magnets are designed to create a stellarator-shaped magnetic field using smaller, tunable magnets.
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| Publication time | Wed, 27 May 2026 17:54:28 +0000 |
| Retrieval time | 2026-05-27T17:58:02.496Z |
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Opening excerpt (first ~120 words) tap to expand
Thea Energy has raised an oversubscribed $100 million Series B led by U.S. Innovative Technology Fund, the fusion startup told TechCrunch. The sum places the company among the better funded fusion startups, giving it an improved chance at achieving a commercial reactor. The new funding will help Thea expand manufacturing for its uniquely designed smaller magnets and begin construction of Eos, its “power plant relevant” demonstration device, starting next year. Thea previously closed a $20 million Series A in early 2024. The new round brings total private investment to $130 million, the startup told TechCrunch.
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