Sam Altman-backed fusion startup Helion in talks with OpenAI

Helion is reportedly negotiating a deal that would see it sell 12.5% of its power output to OpenAI.

Fusion startup Helion hits blistering temps as it races toward 2028 deadline

Helion’s Polaris device hit 150 million degrees C recently, a milestone that nudges the company toward its commercial power plant that will sell electricity to Microsoft.