Advanced Reactors

DOE-Idaho Approves Documented Safety Analysis Aalo-X Critical Test Reactor

By David Dalton
6 May 2026

Company says it is on track to meet 4 July criticality target set by Donald Trump

DOE-Idaho Approves Documented Safety Analysis Aalo-X Critical Test Reactor
Aalo Atomics’ Critical Test Reactor in Idaho Falls. Courtesy Aalo Atomics.
The US Department of Energy’s Idaho Operations Office has approved the documented safety analysis (DSA) for Aalo Atomics’ Aalo-X Critical Test Reactor (CTR), moving the company towards its final pre-operations phase for the advanced nuclear plant, the operational readiness review.

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