Home / TechnologyTechnologyTechCrunchTechnologyTechCrunch·Jun 4, 2026·1 min readHelion, the Sam Altman-backed fusion startup, raises $465M to build a power plant for MicrosoftFusion startup Helion is racing to complete a power plant for Microsoft by 2028. A fresh infusion of cash should help with that.View original source — TechCrunch ↗ShareCopy linkShare on XShare on FacebookRelated storiesTechnologyTechCrunchTechnologyJun 19, 2026 · 1 minEvery fusion startup that has raised over $100MTechCrunchTechnologyThe Next WebTechnologyJun 19, 2026 · 1 min17 fusion startups have now raised over $100M each, and the total keeps climbingThe Next WebTechnologyTechCrunchTechnologyJun 9, 2026 · 1 minEvotrex raises $30M to build the RV that doesn’t need a charging stationTechCrunchWorldBloombergWorldJun 19, 2026 · 1 minUS Nuclear Pilot Program Notches Second Reactor BreakthroughBloomberg
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