Projects / prj-natrium-kemmerer
Natrium Kemmerer Unit 1
Natrium demonstration plant at Kemmerer; NRC construction permit and nuclear construction reported in 2026 secondary sources — confirm ADAMS ML package for high-confidence legal citation.
- Stage
- Construction
- Design
- Natrium (SMR)
- Technology
- Sodium-cooled fast reactor (SFR) · sodium
- Operator(s)
- TerraPower
- Vendor(s)
- TerraPower
- Location
- Kemmerer Natrium site · United States · precision: approximate
Near retiring coal plant; pin is city/site-area approximate pending survey-grade public coordinates. - Coordinates
- 41.7922, -110.5377
- Electrical capacity
- 345 MWe (net) · scope: module
- Thermal capacity
- —
- Modules planned
- 1
- Inclusion basis
- smr_by_design_class
- Confidence
- medium
- Last verified
- 2026-10-01 (publication/verification date)
Milestones & dated events
- Planned commercial operation: 2031 · planned · year
- Construction permit: 2026-03 · actual · month
- Natrium construction permit: 2026-03 · actual · month · other
Regulatory actions
- TerraPower Natrium construction permit — construction_permit · approved · NRC
Sources
- NRC TerraPower Natrium / Kemmerer (regulator_primary, accessed 2026-10-01)
- EnergyNote 2026 SMR licensing map (reputable_press, accessed 2026-10-01)