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Aalo Atomics Critical Test Reactor — Idaho National Laboratory

United States
Under Construction
Developer
Aalo Atomics
Capacity
1 MWe
Last updated
4/27/2026

Project overview

Reactor type
SFR
Announced
1/1/2023
Projected operational
12/31/2030

Notes

Aalo Atomics completed assembly of its Critical Test Reactor at Idaho National Laboratory and expects to achieve criticality before July 4, 2026 — one of three DOE reactor pilot programme teams targeting this milestone. Aalo has also secured a Texas site to build 30 microreactors commercially. The company completed a Conceptual Design Review and Nuclear Safety Design Agreement in 2025 and is conducting hardware development at a new 145,000 sq-ft facility in Torrance, California.

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