SMRTR Science & EngineeringJul 24, 2025Interesting Engineering

4th-gen nuclear reactors near launch in US as advanced fuel line goes operational

SMRTR summary

BWX Technologies has completed a Uranium Nitride TRISO fuel production line at its Lynchburg Technology Centre. The facility produces additively manufactured fuel for Generation IV reactors using chemical vapor infiltration. This project supports BWXT's BANR high-temperature gas microreactor design under the US Department of Energy's Advanced Reactor Demonstration Program. The new line creates fuel forms with higher TRISO particle density, potentially improving efficiency and lowering costs. BWXT is exploring locations for a TRISO fuel fabrication facility in Wyoming and plans to deploy BANR reactors there in the early 2030s.

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