Deployable Energy’s Unity Nuclear Reactor Achieves Criticality at INL, Third Under DOE Nuclear Push

Deployable Energy’s Unity demonstration reactor has achieved criticality at Idaho National Laboratory (INL), making it the third Department of Energy (DOE)–authorized advanced reactor to reach the milestone ahead of the July 4 deadline set under President Trump’s May 2025 nuclear executive order. The U.S. DOE on July 1 said Deployable Energy’s Unity reactor completed a […]

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Unity demonstration reactor test article at Idaho National Laboratory. Deployable Energy’s zero-power critical experiment uses 4.95% enriched LEU UO₂ fuel, light-water moderation, and helium cooling to validate the physics basis for its 1-MWe-class Unity microreactor platform. Source: POWER.

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