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Helion Energy

122 open37 filled
Everett, WAFounded 2013751+ employees$1.0B raisedGrowthPrivate
Last round: series f · $425M · Jan 2025(9 rounds total)
Founded by David Kirtley
Backed by(10 investors)
Sam AltmanCapricorn Investment GroupMithril Capital ManagementNucor CorporationDustin MoskovitzLightspeed Venture PartnersGood VenturesSoftBank Vision FundY Combinator

Helion Energy is building the world's first fusion power plant, with a power purchase agreement with Microsoft for 2028. Their field-reversed configuration approach uses pulsed fusion to generate electricity directly, backed by Sam Altman and OpenAI.

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