BWXT Manufactures TRISO Fuel Enabling First New Reactor Criticality Under DOE Program

(LYNCHBURG, Va. – June 4, 2026) BWX Technologies, Inc. (NYSE: BWXT) announced today that its TRISO nuclear fuel has powered Antares Nuclear Inc.’s reactor through the first successful criticality milestone under the Administration’s Executive Order 14301, Reforming Nuclear Reactor Testing at the Department of Energy. BWXT also processed the high assay low enriched uranium (HALEU) feedstock…