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TerraPower wins approval to build commercial SMR in USA

  • 7 months ago (2026-03-05)
  • David Flin
North America 1093 Nuclear 747

TerraPower , a US SMR company backed by SK Innovation and Korea Hydro & Nuclear Power (KHNP), has received approval from the US Nuclear Regulatory Commission (NRC) to build a commercial nuclear power plant.

World Future Energy Summit 2027 (WFES 2027)
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World Future Energy Summit 2027 (WFES 2027)

This is the first time in 10 years that the NRC has authorised construction of a new commercial nuclear power plant. It is also the first approval in the US for an SMR.

TerraPower will construct the plant in the state of Wyoming, with the objective of bringing a demonstration reactor online by 2030. The reactor will use liquid sodium cooling technology.