TerraPower Breaks Ground on Natrium Nuclear Plant in Wyoming, a First for the U.S.

TerraPower breaks ground on Natrium nuclear plant in Wyoming, a first for the U.S.

TerraPower broke ground on its Natrium plant in Kemmerer after NRC approved a construction permit. The advanced reactor project is expected to create 1,600 jobs.

TerraPower breaks ground on a rarity: A nuclear reactor, Wyoming’s first

Work continues on the Natrium Test and Fill Facility on Wednesday, April 22, 2026, at the site of TerraPower’s Natrium nuclear power plant near Kemmerer. Construction of the plant’s non-nuclear components began in 2024. (Photo by Ryan Dorgan/WyoFile)KEMMERER — Because of high winds, Andy Chrusciel joked that he kept his construction helmet cranked so tight it gave him a headache. Walking around the site of the Natrium nuclear power plant, even t…

TerraPower Starts Building Wyoming Nuclear Plant Despite 60 MPH Wind Gusts

TerraPower officially began building its first-of-its-kind nuclear power plant in Kemmerer on Wednesday, despite 60 mph winds that grounded cranes. “In not too long, we will be producing power right here on this site,” a TerraPower official said.

TerraPower Breaks Ground on Natrium Nuclear Plant in Kemmerer, Wyoming

KEMMERER, Wyo., April 23, 2026 —TerraPower officially commenced construction on its flagship Natrium plant, Kemmerer Unit 1, in Kemmerer, Wyoming on April 23, 2026 — a milestone that makes it the first utility-scale advanced nuclear power plant to begin construction in the United States. The groundbreaking follows the U.S. Nuclear Regulatory Commission’s issuance of a […] The post TerraPower Breaks Ground on Natrium Nuclear Plant in Kemmerer, Wy…