NANO Nuclear Energy Inc. announced on April 22, 2025, that the U.S. Nuclear Regulatory Commission (NRC) issued its final Safety Evaluation (SE) approving the Fuel Qualification Methodology Topical Report (FQM TR) for the advanced fuel design of the KRONOS MMR™ Energy System. This regulatory milestone marks the successful culmination of a rigorous review process and represents a major step toward deployment of the KRONOS reactor prototype at the University of Illinois Urbana-Champaign (U. of I.).
The approved Fuel Qualification Methodology defines the regulatory framework and testing approach for the qualification of Fully Ceramic Microencapsulated (FCM®) fuel, which incorporates tri-structural isotropic (TRISO) fuel particles embedded in a silicon carbide matrix. With this regulatory breakthrough, NANO Nuclear is now positioned to submit its Construction Permit Application for the KRONOS reactor, with fuel qualification rapidly progressing.
This approval is crucial for NANO Nuclear’s entire reactor program and affirms the strength of its fuel strategy. The FQM TR had previously undergone joint review by the NRC and the Canadian Nuclear Safety Commission (CNSC), demonstrating confidence in the methodology’s scientific soundness. Next steps include finalizing fuel fabrication timelines, preparing and submitting the construction permit this year, and completing early-stage site work at U. of I.
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