Advanced Reactors

US Regulator Clears Construction Permit For TerraPower Advanced Reactor In Wyoming

By Kamen Kraev
5 March 2026

Natrium sodium-cooled pilot plant receives first major US licensing approval.

US Regulator Clears Construction Permit For TerraPower Advanced Reactor In Wyoming
The Natrium system includes a 345-MW electric sodium-cooled fast reactor with molten salt energy storage technology to be deployed in Wyoming. Rendering courtesy TerraPower.
The US Nuclear Regulatory Commission (NRC) has authorised its staff to issue a construction permit for TerraPower's advanced nuclear reactor plant near Kemmerer in the state of Wyoming.

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