TerraPower Kemmerer Power Station Unit 1 — NRC issues first-ever construction permit for a commercial non-light-water advanced nuclear reactor (Natrium sodium-cooled fast reactor, ~345 MW net, Kemmerer WY)
The US Nuclear Regulatory Commission voted March 4, 2026 to issue the construction permit for TerraPower's Kemmerer Power Station Unit 1 — the first NRC construction permit ever issued for a non-light-water commercial advanced reactor (Natrium sodium-cooled fast reactor). Backed by DOE Advanced Reactor Demonstration Program ($2B+ cost-share). Commercial operation targeted ~2031. Google and Microsoft have expressed interest in advanced nuclear offtake. Verified via LinkedIn signal from Christopher Levesque.
Deal Value
345MW
Capacity
Nuclear (Advanced / SMR)
Technology
WY
Location
Deal Details
- Deal Type
- NRC Construction Permit
- Seller / Sponsor
- TerraPower
- Stage
- Development / Permitted
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