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Westinghouse eVinci — Idaho National Laboratory Test 2026

United States
Under Construction
Developer
Westinghouse Electric Company
Capacity
5 MWe
Last updated
4/27/2026

Project overview

Reactor type
HTGR
Announced
1/1/2024
Projected operational
12/31/2029

Notes

Westinghouse is preparing for a 2026 fuelled test of its eVinci microreactor at Idaho National Laboratory — a key milestone toward commercial deployments planned by 2029. In December 2024 Westinghouse achieved a landmark when the eVinci's Advanced Logic System Version 2 became the first microreactor I&C system to earn NRC approval. Commercial deployments target a Saskatchewan pilot, FNPP projects with CORE POWER and Prodigy Clean Energy, and remote industrial applications.

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