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BWXT Announces Contract with Antares for TRISO Nuclear Fuel Production

Business Wire•27/10/2026•08:00 ET
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Key Highlights

  • ➤BWXT Advanced Fuels signs multi-year Antares agreement for TRISO fuel production
  • ➤Initial allocation totals 1 MTU, with increases possible as deployment requirements evolve
  • ➤Antares Mark-1 reactor aims to produce electricity in 2027 using BWXT fuel
  • ➤Antares’ initial production deployments to U.S. military installations begin in 2028

Expert Statements

Joe Miller, President, BWXT Government Operations

“BWXT’s decades of experience in advanced fuel manufacturing give us the foundation to support Antares as they accelerate toward commercial deployment”

Joe Miller, President, BWXT Government Operations

“Our team has refined the processes for high‑performance TRISO fuel, and this agreement enables us to apply those strengths in a sustained, predictable way. As demand grows across the advanced reactor sector, BWXT is prepared to scale.”

Jordan Bramble, CEO and Co-Founder, Antares

“We achieved criticality with BWXT fuel, and it’s what will power our electricity producing reactor, Mark-1, in 2027”

Jordan Bramble, CEO and Co-Founder, Antares

“Securing that same line through the end of the decade means our first production deployments run on fuel from a team and a process we’ve already proven.”

BWXT Announces Contract with Antares for TRISO Nuclear Fuel Production

BWX Technologies, Inc. (NYSE: BWXT) announced today that its BWXT Advanced Fuels subsidiary has entered into a multi-year commercial agreement with Antares Nuclear, Inc., establishing a framework for production of tri-structural isotropic (TRISO ) nuclear fuel. The agreement includes terms for an initial allocation of 1 MTU (metric ton uranium), with the ability to increase as deployment requirements evolve to support Antares’ advanced reactor program.

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