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Kemmerer Unit 1 Natrium Sodium-Cooled Fast Reactor Plant

Sector: Nuclear • Location: Kemmerer, Wyoming, United States

Source: POWER Magazine

Project
Under Construction

Kemmerer Unit 1 is TerraPower's flagship Natrium sodium-cooled fast reactor plant located in Kemmerer, Wyoming. The plant features a 345-MW sodium-cooled fast reactor with an integrated molten-salt energy storage system that can boost net electrical output to 500 MW when needed while maintaining constant reactor power. The project aims to establish a delivery approach designed for repeatability an

Status
Under Construction
Sector
Nuclear, Power Generation (CCGT), Energy Storage, Road
Location
Kemmerer, Wyoming, United States of America
Updated
22 Jul 2026
Source
POWER Magazine

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The project “Kemmerer Unit 1 Natrium Sodium-Cooled Fast Reactor Plant” is an infrastructure initiative in the Nuclear sector, located in Kemmerer, Wyoming, United States. Taiyo aggregates data on it from POWER Magazine.

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

Kemmerer Unit 1 is TerraPower's flagship Natrium sodium-cooled fast reactor plant located in Kemmerer, Wyoming. The plant features a 345-MW sodium-cooled fast reactor with an integrated molten-salt energy storage system that can boost net electrical output to 500 MW when needed while maintaining constant reactor power. The project aims to establish a delivery approach designed for repeatability and nth-of-a-kind execution from the first unit.

Original sector

Energy

Budget

Location

Country

United States of America (USA)

State

Wyoming

City

Kemmerer

Source

Source

POWER Magazine

URL

More Details

Record type

Project

Sector

Nuclear, Power Generation (CCGT), Energy Storage, Road

Article published date

2026-04-26

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