Helion

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Commonwealth Fusion Systems’ Brandon Sorbom and Helion’s David Kirtley on bringing fusion to the grid at TechCrunch Disrupt 2026

Helion quietly shifts goalpost on fusion energy

Helion hits $15.5B valuation with $465M round to commercialize fusion this decade

Helion, the Sam Altman-backed fusion startup, raises $465M to build a power plant for Microsoft

Sam Altman-backed fusion startup Helion in talks with OpenAI

Sam Altman-backed fusion startup Helion in talks to sell power to OpenAI

Helion begins work on Washington nuclear fusion plant

Helion: A modern fast paced Doom FPS engine in C#

Helion bags $425M in fresh funding despite fusion power still being a distant dream

A private start-up called Helion aims to have a working fusion reactor by 2028

Helion raises $425M to help build a fusion reactor for Microsoft