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on Friday announced agreements with three nuclear power providers, including one backed by OpenAI CEO Sam Altman, as part of its efforts to secure necessary resources for its AI ambitions.

The arrangements with Vistra, TerraPower and Oklo, which are all working on nuclear power technologies, are for Meta’s Prometheus supercluster computing system that’s being built at a data center in New Albany, Ohio. No financial terms were disclosed.

Meta CEO Mark Zuckerberg announced Prometheus in July, describing the system as one of the keys to the development of the company’s advanced artificial intelligence efforts. Meta has said it expects Prometheus to come online sometime in 2026.

In working with the three companies on energy production, Meta said the projects should add 6.6 gigawatts of power by 2035, exceeding the total demand of New Hampshire.