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

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 material used to manufacture the Antares TRISO fuel compacts from scrap materials provided by NNSA, underscoring the company’s leadership across the full spectrum of next generation fuel production.

This press release features multimedia. View the full release here: https://www.businesswire.com/news/home/20260604742514/en/ BWXT prepares TRISO fuel compacts for shipment at its Lynchburg, Virginia, facility.

“This marks a historic milestone for advanced nuclear fuel fabrication in the United States,” said U.S. Energy Secretary Chris Wright. “The Trump administration is proud to partner with private companies such as BWXT, as we strengthen the foundation of a reliable and secure nuclear supply chain to support both national defense and commercial energy needs.”