TerraPower Kemmerer Unit 1 Advanced Nuclear Plant
Sector: Nuclear • Location: Kemmerer, Wyoming, United States
Source: Interesting Engineering
Construction has officially begun on TerraPower’s Kemmerer Unit 1 in Wyoming, the United States’ first utility-scale advanced nuclear power plant. The Natrium-based facility combines a 345-MW sodium-cooled fast reactor with molten salt energy storage to provide flexible power output up to 500 MW during peak demand. The project is developed under the U.S. Department of Energy’s Advanced Reactor Dem
- Status
- Under Construction
- Sector
- Nuclear, Power Generation (CCGT), Power Transmission, Energy Storage, Commercial
- Location
- Kemmerer, Wyoming, United States of America
- Updated
- 22 Jul 2026
- Source
- Interesting 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 | Construction has officially begun on TerraPower’s Kemmerer Unit 1 in Wyoming, the United States’ first utility-scale advanced nuclear power plant. The Natrium-based facility combines a 345-MW sodium-cooled fast reactor with molten salt energy storage to provide flexible power output up to 500 MW during peak demand. The project is developed under the U.S. Department of Energy’s Advanced Reactor Demonstration Program and aims to serve as a commercial blueprint for future Natrium plants. |
Original sector | Energy |
Location
Country | United States of America (USA) |
State | Wyoming |
City | Kemmerer |
Source
Source | Interesting Engineering |
URL |
More Details
Record type | Project |
Sector | Nuclear, Power Generation (CCGT), Power Transmission, Energy Storage, Commercial |
Article published date | 2026-04-26 |
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