Clean Core Thorium Energy (CCTE), LLC is committed to the development of alternative nuclear fuels using thorium, primarily for Pressurized Heavy-Water Reactors (PHWR) / Canada Deuterium Uranium (CANDU) reactors. CCTE requested Idaho National Laboratory (INL) support to conduct irradiation testing on various mixed thorium-uranium oxide ((Th,U)O2) fuel samples to help assess fuel performance. Experiment pellets were fabricated at Texas A&M University (TAMU) under direction from CCTE. Twelve experiment capsules, each containing up to 18 experiment pellets, are planned to be irradiated in the Inner-A and Outer-A experiment positions of the Advanced Test Reactor (ATR) over the next several years. Experiment pellets with various compositions of neutron absorber and (Th,U)O2 will be irradiated across a range of burnup targets to assess the potential benefits of the ANEEL fuel. As the experiment pellets reach their desired burnup levels, they will be removed from the ATR and sent to the INL Hot Fuels Examination Facility (HFEF) for Post-Irradiation Examination (PIE). This report outlines the irradiation plan for the CCTE-ANEEL-1A experiment including experiment objectives, pellet compositions, test train geometry, and irradiation locations. Preliminary physics and thermal analysis results are also included for information. It is expected that the experiment objectives will be met by this irradiation plan. As-run analyses will be performed once irradiation is complete to confirm the results.
