TerraPower Natrium Kemmerer Unit 1 Reactor
Sector: Energy Storage • Location: Kemmerer, Wyoming, United States
Source: Power Engineering
TerraPower is developing a 345-megawatt electric sodium-cooled fast reactor paired with molten-salt energy storage near PacifiCorp’s Naughton power station outside Kemmerer, Wyoming. The project aims to provide flexible power output by boosting from 345 MW to 500 MW temporarily. Bechtel is the EPC partner and has begun construction at the site, targeting completion by 2030. The project received th
- Status
- Under Construction
- Sector
- Energy Storage, Nuclear, Power Transmission, Power Generation (CCGT)
- Location
- Kemmerer, Wyoming, United States of America
- Updated
- 22 Jul 2026
- Source
- Power Engineering
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Project Information
Participants
| Not available for this record. |
Status
Original status | under construction |
Taiyo status | Under Construction |
Taiyo last update | 2026-07-22 |
Contact
| Not available for this record. |
Description
Description | TerraPower is developing a 345-megawatt electric sodium-cooled fast reactor paired with molten-salt energy storage near PacifiCorp’s Naughton power station outside Kemmerer, Wyoming. The project aims to provide flexible power output by boosting from 345 MW to 500 MW temporarily. Bechtel is the EPC partner and has begun construction at the site, targeting completion by 2030. The project received the first construction permit for a utility scale advanced reactor in the US from the NRC. |
Original sector | Energy |
Budget |
Location
Country | United States of America (USA) |
State | Wyoming |
City | Kemmerer |
Source
Source | Power Engineering |
URL |
More Details
Record type | Project |
Sector | Energy Storage, Nuclear, Power Transmission, Power Generation (CCGT) |
Article published date | 2026-04-27 |
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