He expects Oklo to break ground at the Idaho site in 2026, with plans to have the reactor up and running by the following year. The CEO acknowledged there's a risk the 2027 start date gets pushed out depending on how long the NRC review takes. The average nuclear reactor in the current U.S. fleet is around 1,000 megawatts, according to the Department of Energy. The CEO acknowledged the NRC review could delay the 2027 start date for the Idaho microreactor: "There's definitely risk. At the end of the day, we can't control the NRC review timeline," he said.

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Persons: Jacob DeWitte, Oklo, DeWitte, there's, Sam Altman's SPAC, Altman, Oklo's Organizations: CNBC, Department of Energy, Idaho National Laboratory, Nuclear Regulatory Commission, AltC, Department of Energy ., Industry, Constellation Energy, NYSE, NRC, World Health Organization, Idaho Locations: Idaho, Idaho Falls, Aurora