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Licensing Actions for Accident Tolerant Fuels

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Coated Cladding

Action TypeSubmittalRequestorDescriptionNRC
Evaluation
License Amendment Request12/12/19Calvert CliffsRequest to use lead test assemblies that contain chromium-coated cladding and doped pellets.01/26/21
Certificate of Compliance Revision04/06/20WestinghouseTraveller transportation package to include coated cladding, doped pellets, and 7 weight percent U-235 enriched fuel09/15/20
Letter Authorization Request06/15/20FramatomeRequest to transport a small number of ATRIUM 10 fuel assemblies equipped with inert test rods in a TN-B1 transportation package10/09/20
Topical Report03/31/21WestinghouseWCAP-18546-P/NP, "Westinghouse AXIOM Cladding for Use in Pressurized Water Reactor Fuel"12/16/22
License Amendment Request08/31/22 Byron Station, Unit 2Amendment to allow a previously irradiated Accident Tolerant Fuel (ATF) Lead
Test Assembly (LTA) to be further irradiated.
07/20/23
Topical Report04/17/26FramatomeANP-10359P, Revision 0, “PROtect: Incorporation of Chromium-Coated M5 Cladding Material Properties in Framatome PWR Methods” 
Topical Report07/03/25WestinghouseWestinghouse WCAP-18483, EnCore® Chromium Coated Cladding for Use in Pressurized Water Reactors 

Doped Pellets

Action TypeSubmittalRequestorDescriptionNRC
Evaluation
Topical Report12/31/15Global Nuclear Fuel – AmericasNEDO-33406-A, Revision 211/09/15
Topical Report04/29/16FramatomeANP-10340P, Revision 005/31/18
Transportation Authorization09/06/18WestinghouseSpecial authorization to transport fuel rods containing uranium silicide pellets and doped pellets in a Traveller transportation package12/20/18
License Amendment Request03/08/18ByronRequest to utilize accident tolerant fuel lead test assemblies04/03/19
License Amendment Request10/11/18BrunswickRequest to revise technical Specification 5.6.5b to allow application of advanced Framatome Atrium 11 fuel methodologies03/06/20
License Amendment Request07/15/19Susquehanna Units 1 and 2Request to allow application of advanced Framatome Atrium 11 Fuel methodologies.01/21/21
License Amendment Request12/12/19Calvert CliffsRequest to use lead test assemblies that contain chromium-coated cladding and doped pellets.01/26/21
Certificate of Compliance Revision04/06/20WestinghouseTraveller transportation package to include coated cladding, doped pellets, and 7 percent enriched fuel09/15/20
Topical Report05/08/20WestinghouseWCAP-18482-P/WCAP-18482-NP, Revision 0, "Westinghouse Advanced Doped Pellet Technology (ADOPTTM) Fuel"06/13/22
Topical Report06/28/21FramatomeANP-10340P, Rev. 0, "Incorporation of Chromia-Doped Fuel Properties in Framatome PWR Methods"10/16/23
License Amendment Request07/23/21Browns Ferry Units 1, 2, and 3Request to allow application of advanced Framatome methodologies and adoption of TSTF-564-A, Revision 2, “Safety Limit MCPR” in support of ATRIUM 11 fuel use.01/13/23
License Amendment Request07/29/21MonticelloRequest to allow revised methodologies for determining the core operating limits, to support ATRIUM 11 fuel use.01/13/23

FeCrAl Cladding

Action TypeSubmittalRequestorDescriptionNRC
Evaluation
Transportation Authorization10/19/18Global Nuclear Fuel – AmericasSpecial authorization to transport FeCrAl fuel rods in Model No. RAJ-II transportation package02/05/19
Certificate of Compliance Revision07/31/19GE Hitachi Nuclear EnergyRevision No. 28 of Certificate of Compliance No. 9228 for the GE Model No. 2000 (GE2000) transportation package. Allows the transport of FeCrAl lead test assemblies04/23/20

Increased Enrichment

In-Reactor

Action TypeSubmittalRequestorDescriptionNRC
Evaluation
Topical Report01/29/21FramatomeANP-10353P, Revision 0, "Increased Enrichment for PWRs"03/22/23
Topical Report (3 Total Actions)12/17/21Global Nuclear FuelRevision 4 of LANCR02 Lattice Physics Model Description and
Revision 0 of the LANCR02/PANAC11 Application Methodology
08/21/23
Topical Report06/30/22FramatomeFramatome TR, ANP-10350P, Rev. 0, "Framatome Methodology for BWRs: Evaluation and Validation of AP0LL02-A/ARTEMIS-B"07/15/25
License Amendment Request06/30/22Vogtle Units 1 and 2Request to allow use of four LTAs with coated cladding, doped pellets, and fuel pellets enriched up to 6 weight percent U-235.08/01/23
Topical Report10/31/22Global Nuclear FuelImplementation of LANCR02/PANAC1108/19/25
Topical Report06/28/23WestinghouseWCAP-18773, Higher Enrichment for Westinghouse and Combustion Engineering Fuel Designs07/15/25
Topical Report01/28/25StudsvikSupplement 1, Studsvik SSP-14-P01/028 Core Management System Topical Report Revision04/24/26

Transportation

Action TypeSubmittalRequestorDescriptionNRC
Evaluation
Certificate of Compliance Revision04/06/20WestinghouseTraveller transportation package to include coated cladding, doped pellets, ATF and 7 weight percent U-235 enriched fuel09/15/20
Certificate of Compliance Revision03/30/21FramatomeRevision No. 13 to Certificate of Compliance No. 9319 for the MAP-12 and MAP-13 packages. Request to transport fresh fuel assemblies with enrichments up to 8 weight percent U-23512/16/21
Certificate of Compliance Revision06/29/21Orano NCSDN30-X transportation package to transport uranium hexafluoride with enrichments up to 20 weight percent U-23503/27/23
Certificate of Compliance Revision08/02/21WestinghouseRequest to transport fresh fuel rods with enrichments up to 7 weight percent U-235 in Traveller STD & XL transportation packages04/27/22
Certificate of Compliance Revision09/23/22Global Nuclear Fuel - AmericasRequest to transport fresh fuel assemblies with enrichments up to 8 weight percent U-235 in the RAJ-II transportation package07/24/23
Certificate of Compliance Revision01/31/23FramatomeRequest to transport fresh fuel assemblies with enrichments up to 8 weight percent U-235 in the TN-B1 transportation package01/31/23

Fuel Cycle Facilities

Action TypeSubmittalRequestorDescriptionNRC
Evaluation
License Amendment Request11/12/19Louisiana Energy ServicesIncrease enrichment to 5.5 weight percent U-23505/19/20
License Amendment Request06/23/20 – Request Letter
10/31/19 – Document to be reviewed
Global Nuclear Fuel - AmericasReview of minimum margin of subcriticality for enrichments up to 8 weight percent U-23508/13/20
License Review01/20/22Global Nuclear Fuel - AmericasReview of minimum margin of subcriticality for enrichments up to 20 weight percent U-23508/02/22
License Review11/29/21FramatomeFramatome Inc. Richland Nuclear Fuel Fabrication Facility’s Request to Amend License No. SNM-1227; Docket No. 70-1257 and Approval of Criticality Safety Methods07/11/22
License Amendment Request06/24/22Global Nuclear Fuel - AmericasIncrease enrichment up to 8 weight percent U-235 at the GNF-A Facility08/02/22
License Amendment Request12/05/19CentrusAmendment to materials license SNM-2011 for the American Centrifuge Plant for a HALEU demonstration project with enrichments up to 20 weight percent U-235 for future use in DOE’s research and development activities06/11/21

Higher Burnup

Action TypeSubmittalRequestorDescriptionNRC
Evaluation
Topical Report06/30/22FramatomeFramatome TR, ANP-10350P, Rev. 0, "Framatome Methodology for BWRs: Evaluation and Validation of AP0LL02-A/ARTEMIS-B"07/15/25
Topical Report12/29/25WestinghouseWCAP-16996-P-A, Rev 1, Suppl 3, Rev 0, "Ext of FSLOCA Evaluation Methodology to Perform Analysis of High Burnup Fuel" ATF-related 
Topical Report01/28/25StudsvikSupplement 1, Studsvik SSP-14-P01/028 Core Management System Topical Report Revision04/24/26
Topical Report04/26/24EPRIEPRI Report 3002023895, “xLPR Estimation of PWR LOCA Frequencies (MRP-480)”04/29/26
Topical Report04/26/24EPRIEPRI Report 3002028675, “LOCA Analysis of FFRD for Westinghouse 2-Loop, 3-Loop, and 4-Loop Plants”04/29/26
Topical Report04/26/24EPRIReview of (3002028673) EPRI Alternate Licensing Strategy (ALS) for LOCA-Induced FFRD (Non-Billable)04/29/26
Topical Report02/29/24WestinghouseWCAP-18850, “Adaption of the FULL SPECTRIM LOCA (FSLOCA) Evaluation Methodology to Perform Analysis of Cladding Rupture for High Burnup Fuel”11/25/25
White Paper08/04/23FramatomeRegulatory Engagement for High Burnup Fuel Fragmentation, Relocation and Dispersal10/27/23
Topical Report Revision03/17/20Global Nuclear Fuel – AmericasProposed Amendment #51 to NEDE-24011-P-A-29, General Electric Standard Application for Reactor Fuel (GESTAR II). Proposes new Appendix B that has a small section to allow higher burnup lead use test assemblies.10/19/20
Topical Report12/14/20WestinghouseWCAP-18446-P / WCAP-18446-NP, Revision 0, "Incremental Extension of Burnup Limit for Westinghouse and Combustion Engineering Fuel Designs"06/26/24
Topical Report12/31/19FramatomeBAW-10227P, Revision 2, "Evaluation of Advanced Cladding and Structural Material (M5) in PWR reactor Fuel"01/13/23
Topical Report11/26/24FramatomeFramatome ANP-10358P, Revision 0, Increased Burnup for PWRs Topical Report 

Miscellaneous

Action TypeSubmittalRequestorDescriptionNRC
Evaluation
Certificate of Compliance Revision12/12/18FramatomeRevision 11 to Certificate of Compliance No. 9319 for the Model Nos. MAP-12 and MAP-13 Transportation Packages01/10/19
License Amendment Request07/01/20GE-Hitachi Nuclear EnergyAmendment to allow irradiated ATF fuel rods to be transported to Oak Ridge National Laboratory07/16/20

Page Last Reviewed/Updated Tuesday, September 08, 2026

Page Last Reviewed/Updated Tuesday, September 08, 2026