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May 21, 2025, 12:00PMNuclear News

A view of the DOME microreactor testbed, which is managed by the National Reactor Innovation Center. (Image: NRIC)

The National Reactor Innovation Center is accepting applications from developers ready to take a fueled microreactor to criticality inside the former Experimental Breeder Reactor-II containment building at Idaho National Laboratory, now repurposed as DOME—a microreactor test bed. According to a Department of Energy announcement, DOME will be ready to receive the first experimental reactor in the fall of 2026, with testing likely to begin in 2027.

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Developers can apply now to test a fueled reactor in NRIC’s DOME

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