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OpenAI reportedly wants to buy fusion energy.

Sam Altman announced that he’s stepping down from the board of nuclear fusion startup Helion Energy. Axios reports that OpenAI is in “in advanced talks” with Helion, even though significant scientific advancements still need to be made for nuclear fusion — long considered the Holy Grail of clean energy — to become a reality.

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.

Sam Altman's AI Company in Talks to Buy Electricity from Sam Altman's Fusion Startup

According to Axios, discussing a potential energy deal between OpenAI and Helion Energy for “a guaranteed portion of Helion’s production, potentially scaling to 50 gigawatts by 2035 (assuming the company can develop a fusion process that generates more energy than it consumes).

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

OpenAI CEO Sam Altman is stepping down as board chair of Helion. His departure comes as reports that the two companies are negotiating a deal that would see Helion sell 12.5% of its power output to OpenAI.