Nuclear energy guarantees energy supply for Artificial Intelligence

The growing energy demand of Artificial Intelligence (AI) is giving new impetus to nuclear energy, as tech giants seek to secure long-term electricity supplies for their huge data centres.

One example of this is the US company Meta, which has signed agreements with Vistra, Oklo and TerraPower to guarantee energy supplies for its Prometheus (AI) data centre supercluster in New Albany, Ohio (United States).

In the case of Vistra, the agreement is for 20 years to obtain more than 2.4 gigawatts from the Perry (Ohio), Davis-Besse (Ohio) and Beaver Valley (Pennsylvania) nuclear power plants. Oklo would supply 1.2 gigawatts of energy to Meta's data centre in Pike County, Ohio, and Meta's investment in TerraPower will provide funding for the development of two Natrium power plants, Small Modular Reactors (SMRs), which could generate up to 690 megawatts of energy by 2032.

These agreements are a continuation of those Meta signed in June 2025 with Constellation Energy to supply 1 gigawatt of nuclear power for 20 years to the Clinton Clean Energy Centre in Illinois.

Prometheus is a 1-gigawatt AI training cluster spanning five or more data centres. Meta expects this project to be operational in 2026 as part of an increase in infrastructure for Artificial Intelligence.

In this regard, Meta plans to create an even larger 5-gigawatt cluster called Hyperion, which is expected to be operational in 2028.