Helion is the first company licensed to operate a fusion power plant. But the Sam Altman-backed firm still has to prove fusion can deliver commercial power.

Helion Clears Key Regulatory Milestone on the Path to Building and Operating the World's First Fusion Power PlantWith Washington State DOH licenses in place, Helion moves closer…

Helion is the first company licensed to operate a fusion power plant. But the Sam Altman-backed firm still has to prove fusion can deliver commercial power.