ML19217A257

NEI Presentation: ISG on Chromium Coated Cladding ATF

ML19217A257
Person / Time
Site:	Nuclear Energy Institute
Issue date:	08/06/2019
From:	Holtzman B Nuclear Energy Institute
To:	Office of Nuclear Reactor Regulation
Proffitt J
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Download: ML19217A257 (8)

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ISG on Chromium Coated Cladding ATF NRC Public Meeting August 6th, 2019 Ben Holtzman, NEI

©2019 Nuclear Energy Institute

Government Affairs Nuclear Strategic Issues Advisory EPRI ATF and Communications Committee Research Advisory Committees Collaboration Mission: Foster Research Cooperation and Accident Tolerant Fuel Working Group Collaboration (ATFWG) National Labs Mission: Guide Industry Policy and Actions on ATF

• Exelon Generation Company, LLC

• Westinghouse Electric Company Universities

• Tennessee Valley Authority

• Lightbridge Corporation

• Duke Energy Corporation

• General Atomics International

• Southern Nuclear Operating Company

• X Energy

• Dominion Generation

• NAC International

• Arizona Public Service Company

• Jensen Hughes Regulators

• Xcel Energy

• Excel Services

• GE Hitachi Nuclear Energy

• Electric Power Research Institute

• Framatome

• Nuclear Energy Institute Fuel Vendors Utilities ATF External Affairs Task Force ATF Fuel Licensing and Safety Benefits Task Force Funding and Communications Fuel Qualification to Deployment, and Realization of Regulatory Benefits & Enrichment

©2019 Nuclear Energy Institute 2

Key ATF Fuel Milestones Framatome Chromia-Enhanced UO2 Fuel Southerns Vogtle Framatome Framatome SiC Cladding Chromia-Enhanced UO2 Fuel Entergys ANO-1 Chrome Coated Cladding Westinghouse Framatome U3Si2 Fuel Chrome Coated Cladding Westinghouse Exelon's Byron Chromia/Alumina-Enhanced UO2 Fuel Westinghouse Chrome Coated Cladding Westinghouse, General Atomics USi Fuel SiC Cladding Chromia/Alumina-Enhanced UO2 Fuel Southerns Hatch GE/GNF IronClad Exelons Calvert Cliffs-2 ARMOR Framatome Exelons Clinton Chromia-Enhanced UO2 Fuel GE/GNF Chrome Coated Cladding Full Core Loaded IronClad ARMOR Batch Reloads Begin 2018 2019 2020 2021 2022 2023 2024 2025 2026

©2019 Nuclear Energy Institute 3

Coated Cladding Implementation Strategy

• Licensing coated cladding is separate from efforts to realize benefits.

- Several of the high-ranked mechanisms from the PIRT that are included in the ISG are believed to relate to improved performance due to the coating.

• Deployment Timeline

- 2023 Batch Reloads

- 2026 Full Core

©2019 Nuclear Energy Institute 4

Industry Feedback on the ISG

• Chromium Coating Applications vs Generic Coatings

• Scope Expansion Gap PIRT Rev 1 ISG PIRT Rev 0 Analysis

- Will the Expansion of Scope help NRC Reviewers?

©2019 Nuclear Energy Institute 5

Potential Areas of Scope Creep

• Manufacturing

- Industry believes that standard 10CFR50 Appendix B quality control programs at fuel manufacturers are adequate to assure product performance for coated cladding

• Chapter 15 Impact

• Regulatory Changes for Increasing Burnup Limits

©2019 Nuclear Energy Institute 6

LOCA Discussions

• Appendix A Line 251 states that during a LOCA, multiple parameters may be impacted by chromium coated cladding as denoted in a table that doesnt exist.

• 50.46 Regulatory Limit

- The section should be revised to state that current 50.46 regulatory limit (1204 ºC / 17% ECR for uncoated cladding) can be applied on a conservative basis to coated cladding if supported by test data, and that if the applicant wishes to have a different licensing calculated ECR for the coated rod, then justification must be made.

©2019 Nuclear Energy Institute 7

Questions?

Questions

©2019 Nuclear Energy Institute 8

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