Friday - June 5, 2026
Department of Energy Celebrates First Advanced Reactor Criticality
June 05, 2026
WASHINGTON, June 5 -- The U.S. Department of Energy issued the following news release on June 4, 2025:

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Department of Energy Celebrates First Advanced Reactor Criticality

The rebirth of America's nuclear industry has officially arrived. Today, as part of the U.S. Department of Energy (DOE) Reactor Pilot Program, Antares Nuclear's advanced reactor design, the Mark-0, successfully completed a zero-power fueled criticality demonstration at DOE&# . . .

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