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Type One Energy
Founded 2019 · 233 employees on LinkedIn · 14 known investors
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Type One Energy is a fusion energy startup founded by stellarator experts to design and commercialize a next-generation stellarator fusion power plant. The company develops fusion power plant technology and is working toward the first commercial fusion energy plant.
Founders & leadership
Investors · 14
How we know: the company's own site · techcrunch.com · Not right? Tell us
How we know: Breakthrough Victoria's portfolio page · Not right? Tell us
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How we know: TDK Ventures's portfolio page · techcrunch.com · open dataset · 5k.vc investor directory · Not right? Tell us
How we know: Zeon Ventures's portfolio page · Not right? Tell us
How we know: techcrunch.com · Not right? Tell us
How we know: a partner's Signal profile · Not right? Tell us
Also in the syndicate · 3
Funding
SEC filings, press & company announcements$87M disclosed across 1 of 2 rounds · 2026
- Undisclosed amountSeries BOct 2026
Breakthrough Energy Ventures (lead), Clutterbuck Capital (lead), Lowercarbon Capital, Siemens Energy Ventures, SiteGround Capital
Source ↗ - $87MraisedJan 2026 · 2 sources
Breakthrough Energy Ventures, Doral Energy-Tech Ventures, TDK Ventures
Source ↗
Source: company announcements and press reports — follow each round's link for the claim.
In the news
Type One Energy raised $200M to build a fusion power plant by 2034techcrunch.com · Oct 2026
Every fusion startup that has raised over $100M | TechCrunchtechcrunch.com · Aug 2026Frequently asked questions
- What does Type One Energy do?
- Type One Energy is a fusion energy startup founded by stellarator experts to design and commercialize a next-generation stellarator fusion power plant. The company develops fusion power plant technology and is working toward the first commercial fusion energy plant.
- Who are Type One Energy's investors?
- Type One Energy's investors include Breakthrough Energy Ventures, Breakthrough Victoria, GD1, Orbia Ventures, TDK Ventures, TRIREC, VoLo Earth Ventures, Zeon Ventures and 3 more.
- How much funding has Type One Energy raised?
- Type One Energy has disclosed $87M raised across 1 of its 2 known rounds.