X-energy has work ahead in quest to build TRISO-X fuel facility, Xe-100 reactor

November 10, 2021, 3:00PMNuclear News
The TRISO-X fuel pebble shown here contains TRISO particles—HALEU-bearing kernels of oxide and carbide in alternating layers of pyrolytic carbon and silicon carbide. (Image: X-energy)

X-energy and Centrus Energy announced last week that they have completed the preliminary design of the TRISO-X fuel fabrication facility and have signed a contract for the next phase of work. The planned facility would produce TRISO fuel particles and pack those particles into fuel forms, including the spherical graphite “pebbles” needed to fuel X-energy’s Xe-100 high-temperature gas reactor.

To continue reading, log in or create a free account!

Related Articles

X-energy begins irradiation testing at INL

November 12, 2025, 3:01PMNuclear News

Advanced reactor and fuel developer X-energy has officially begun confirmatory irradiation testing at Idaho National Laboratory on its TRISO-X fuel. The testing, which is taking place over the...

Valar achieves cold criticality at LANL

November 18, 2025, 3:02PMNuclear News

Valar Atomics has announced that its Nova Core achieved zero-power criticality on November 17 at Los Alamos National Laboratory’s National Criticality Experiments Research Center (NCERC) at...

New financing round benefits Valar

November 13, 2025, 3:00PMNuclear News

Hawthorne, Calif.–based reactor start-up Valar Atomics recently announced that it has raised $130 million in its Series A funding round, led by venture capital groups Snowpoint, Day One, and...