Altman Drops Helion Board Seat to Clear Path for OpenAI’s Biggest Power Deal Yet

OpenAI CEO Sam Altman has stepped down from the board of directors at Helion, the nuclear fusion startup he has backed since 2015. His resignation comes as OpenAI moves toward a potential large-scale partnership with the company, raising the stakes on its energy ambitions.

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Helion Could Be OpenAI’s Biggest Energy Bet Yet

Helion CEO David Kirtley confirmed Altman’s departure, saying the move “enables Helion and OpenAI to partner on future opportunities to bring zero-carbon, safe electricity to the world.” The reported deal could see OpenAI secure 12.5% of Helion’s total electricity output, amounting to 5 gigawatts by 2030 and 50 gigawatts by 2035.

Helion has not confirmed any new customer agreements beyond existing deals with Microsoft MSFT +0.30% ▲ and Nucor NUE +1.29% ▲ . This move mirrors Altman’s April 2025 resignation from the board of nuclear fission startup Oklo OKLO +4.24% ▲ , which was also done to clear the path for potential OpenAI energy contracts.

Additionally, OpenAI’s latest energy deal plan follows a trend among big tech companies like Microsoft, Alphabet GOOGL +0.35% ▲ , and Amazon AMZN +2.32% ▲ , striking long-term deals with nuclear power operators and developers. Altman expressed continued enthusiasm for Helion, noting he remains “extremely excited about a future with abundant energy”.

Altman Exit Reinforces OpenAI’s Energy Ambition

Altman’s board exit is directly tied to OpenAI’s growing energy ambitions. The company’s 2025 Stargate initiative, a joint venture with SoftBank SFTBY +5.59% ▲ and Oracle ORCL +3.11% ▲ targeting 10 gigawatts of artificial intelligence (AI) infrastructure capacity, represents over $400 billion in planned investment.

As of early 2026, OpenAI says it is already “well beyond halfway” to that goal in planned capacity. Powering that scale of infrastructure reliably and cleanly is an unsolved problem, and a Helion partnership could be Altman’s proposed answer.

Altman, who also sits on the OpenAI board, said the dual roles had become a conflict of interest as the two companies inch closer to a potential energy supply agreement. In his X post, he confirmed he will retain a financial stake in Helion but recuse himself from any deal negotiations.

Does OpenAI Have Any Stock?

OpenAI does not have a stock, as it remains a private company until its anticipated initial public offering (IPO) in 2026. For investors seeking exposure to AI companies, TipRanks Stocks Comparison Center highlights top-rated names with “Strong Buy” ratings, including Nvidia NVDA +1.70% ▲ , Micron MU -4.39% ▼ , GOOGL, Meta META +1.75% ▲ , and MSFT.

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