Duke Energy Carolinas, LLC; Catawba Nuclear Station, Units 1 and 2; Independent Spent Fuel Storage Installation; Environmental Assessment and Finding of No Significant Impact

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The U.S. Nuclear Regulatory Commission (NRC) is issuing an environmental assessment (EA) and a finding of no significant impact (FONSI) for an exemption request submitted by Duke Energy Carolinas, LLC (Duke) that would permit Catawba Nuclear Station (CNS) to maintain one loaded and to load nine transportable storage canisters (TSCs) in the MAGNASTOR[supreg] storage system at the Catawba Units 1 and 2 independent spent fuel storage installation (ISFSI), beginning July 6, 2026, in a storage condition where the terms, conditions, and specifications in the Certification of Compliance (CoC) No. 1031, Amendment No. 15, are not met.