Centrus and Radiant Announce Long-Term Partnership for Domestic HALEU to Supply Kaleidos Microreactors
PRNewsWire
Published: Sep 09, 2026, 10:49 AM
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Centrus Energy Corp. [NYSE: LEU ] ("Centrus"), a trusted supplier of nuclear fuel and services, and Radiant, a leading developer of transportable plug-in ready nuclear microreactors, today announced a definitive multi-year contract to supply high-assay, low-enriched uranium (HALEU) fuel needed to deploy multiple Kaleidos microreactors.
Under the agreement, Centrus will begin delivering HALEU before the end of the decade, adding another domestic source of fuel to support commercial scale-up of Radiant's Kaleidos fleet. The contract further strengthens Centrus' position as a leading fuel supplier for next generation nuclear technologies while expanding its role in the emerging microreactor market.
The agreement includes Radiant prepayments to Centrus to support its domestic commercial enrichment capacity program. For Radiant, the contract adds another domestic source of HALEU as the company moves from its first Kaleidos test toward commercial and national security deployments, reinforcing the fuel supply it continues to build in parallel with the reactor itself.
"The contract with Radiant marks another important step in building the domestic fuel supply chain needed to support the next generation of nuclear energy," said Amir Vexler, President and Chief Executive Officer of Centrus. "By expanding our work to include innovative microreactor developers like Radiant, we are strengthening the U.S.-based fuel supply network. This will help ensure that emerging nuclear technologies have access to the reliable fuel they need to reach commercialization and meet growing demand for clean, secure, and dependable energy."
" You can't deploy nuclear reactors without fuel, so we have approached our fuel supply the same way we have approached the reactor: build it in parallel, and don't depend on any single path," said Dr. Rita Baranwal, Chief Nuclear Officer of Radiant. "This agreement gives Kaleidos a continued source of HALEU for commercial and national security applications and removes one of the biggest constraints facing advanced nuclear deployment. We're securing the fuel supply chain alongside the reactor so that when Kaleidos is ready to deploy at scale, the infrastructure behind it is ready too."
Because Centrus' technology is U.S.-origin and relies upon a U.S. manufacturing supply chain, the enrichment that Centrus provides to Radiant will be "unobligated" – meaning that it can be used for national security applications. Centrus' AC100 centrifuge design is the only deployment-ready U.S.-origin technology available for unobligated enrichment today.
Radiant is developing transportable microreactors designed to provide reliable power for remote locations, data centers, defense applications, and/or other commercial and industrial uses, representing a broad potential market for Centrus' domestic HALEU supply.
About Centrus
Centrus Energy is a trusted American supplier of nuclear fuel and services for the nuclear power industry, helping meet the growing need for clean, affordable, carbon-free energy. Since 1998, the Company has provided its utility customers with more than 1,850 reactor years of fuel, which is equivalent to more than 7 billion tons of coal. With world-class technical and engineering capabilities, Centrus is pioneering production of High-Assay, Low-Enriched Uranium and is leading the effort to restore America's uranium enrichment capabilities at scale so that we can meet our clean energy, energy security, and national security needs. Find out more at www.centrusenergy.com or follow us on LinkedIn and X .
About Radiant
Radiant is a leading developer of advanced nuclear technologies focuse...
Source: PRNewsWire
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