OpenAI in talks to buy Altman-backed Helion Energy: Axios

OpenAI is reportedly in discussions with Helion Energy, a fusion power startup chaired by OpenAI CEO Sam Altman, according to Axios and additional reports. While details of the potential collaboration remain undisclosed, the development underscores growing interest in fusion energy as a solution to meet rising global energy demands, particularly for AI infrastructure and data centers.

Helion Energy, founded in 2013, recently announced a significant technical milestone: achieving plasma temperatures of 150 million degrees Celsius—10 times hotter than the sun's core—using its seventh-generation fusion prototype, Polaris. The company aims to deliver 50 megawatts of fusion-generated electricity to the grid by 2028, with a commercial plant under construction in Malaga, Washington, near Microsoft's data center campus. Helion's approach, which captures electricity directly from fusion reactions rather than relying on steam turbines, differentiates it from traditional nuclear fission and other fusion technologies.

Altman, who joined Helion's board in 2015, has also supported nuclear fission startup Oklo and emphasized accelerating clean energy deployment. Skeptics, however, question the feasibility of Helion's aggressive timeline, particularly as competitors like Commonwealth Fusion Systems (backed by Bill Gates and Nvidia) pursue alternative fusion methods with longer development schedules.

The fusion industry faces significant technical and regulatory hurdles, but proponents argue it could provide scalable, low-cost, and carbon-free energy critical for future technological growth. OpenAI's potential involvement with Helion highlights the intersection of AI innovation and energy infrastructure, though the scope and implications of the proposed partnership remain to be clarified.