ML24220A189

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July 18, 2024, Summary of Public Meeting on Development of Risk Metrics to Support Implementation of Risk-Informed Programs for Advanced Reactors
ML24220A189
Person / Time
Issue date: 08/08/2024
From: Jeffery Wood
NRC/RES/DRA/PRB
To: John Lane
NRC/RES/DRA/PRB
Shared Package
ML24220A185 List:
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Download: ML24220A189 (1)


Text

MEMORANDUM TO:

John C. Lane, Chief (Acting)

Performance and Reliability Branch Division of Risk Analysis Office of Nuclear Regulatory Research FROM:

Jeffery J. Wood, Reliability and Risk Analyst Performance and Reliability Branch Division of Risk Analysis Office of Nuclear Regulatory Research

SUBJECT:

SUMMARY

OF JULY 18, 2024, PUBLIC MEETING ON DEVELOPMENT OF RISK METRICS TO SUPPORT IMPLEMENTATION OF RISK-INFORMED PROGRAMS FOR ADVANCED REACTORS On July 18, 2024, the U.S. Nuclear Regulatory Commission (NRC) held a public meeting with stakeholders. The announcement for this public meeting is available at the [(Agencywide Documents and Access and Management System) (ADAMS) Accession number ML24198A198]. The purpose of the meeting was to gather stakeholders input to inform a strategy for developing risk metrics that can be used to support licensing applications and risk-informed decision-making programs for advanced reactors. The meeting included presentations from NRC staff members and stakeholder groups. The presentations at the meeting are listed below. The enclosure to this document lists the meeting attendees.

The topics discussed included 1) development of risk metrics for non-light-water reactors (NLWR) design and their uses in regulatory applications; 2) advanced reactor operating experience data, methods, and tools to support risk estimation; and 3) development of interim staff guidance (ISG) on the review of applicant-proposed risk metrics for commercial nuclear plants licensed under the proposed Title 10 of the Code of Federal Regulations (10 CFR) Part

53.

Enclosure:

List of Attendees for July 18, 2024, Public Meeting on Development of Risk Metrics to Support Implementation of Risk-Informed Programs for Advanced Reactors CONTACT: Jeffery Wood, RES/DRA (301) 415-0953 August 8, 2024 Signed by Wood, on 08/08/24

NRC staff described ongoing work in the areas of:

NRC staff guidance to review applicant-proposed risk metrics for commercial nuclear plants licensed under the proposed 10 CFR Part 53, Reliability and operational data needs for advanced reactors, and NRC staff preliminary thoughts on risk metrics for NLWRs.

External stakeholder and NRC presentations covering advanced reactor risk metrics and operational experience data are listed below. The NRC staff will consider the information provided by the presenters along with comments provided by meeting attendees as we work on the ISG for the review of applicant-proposed risk metrics, advanced reactor risk metrics, and reliability data.

Topic Presenter Name(s)

Organization ADAMS Accession No.

NRC Staff Presentations:

Opening Remarks NRC Presentation on Purpose of the Public Workshop Review of Applicant-Proposed Risk Metrics for Commercial Nuclear Plants Licensed Under Proposed 10 CFR Part 53 Reliability and Operational Data Needs for Advanced Reactors NRC Preliminary Thoughts on Risk Metrics for Non-LWRs Mohamed Shams, Jeffery Wood, Marty Stutzke John Lane, Matthew Humberstone, Gerardo Martinez-Guridi U.S. Nuclear Regulatory Commission (NRC)

ML24197A161 NIA Perspectives on Advanced Reactor Risk Metrics Patrick White Nuclear Innovation Alliance (NIA)

ML24205A221 Risk Metric for Advanced Reactors:

EPRI Research Activities Eric Thornsbury Electric Power Research Institute (EPRI)

ML24197A176 Public Workshop on Development of Risk Metrics to Support Implementation of Risk-Informed Programs for Advanced Reactors Adam Stein Breakthrough Institute ML24205A222 Challenges and Lessons Learned in Applying NEI 18-04 During Active Design: The eVinci' Microreactor Kyle Hope Westinghouse Electric Company ML24197A174 Risk-Informing Design Basis Hazard Levels Luke McSweeney X-Energy ML24197A173

Topic Presenter Name(s)

Organization ADAMS Accession No.

UCS Perspectives on Risk Metrics for New Reactors Edwin Lyman Union of Concerned Scientists (UCS)

ML24205A224 U. S. Nuclear Industry Council Perspectives on Risk Metrics for Public Workshop on Technology Inclusive Risk Metrics for Advanced Reactors Cyril Draffin U.S. Nuclear Industry Council (USNIC)

ML24197A175 Reliability Data: Learning from the Past and Planning for the Future Dave Grabaskas Argonne National Laboratory (ANL)

ML24205A227 INL Presentations:

Advanced Reactor Operating Experience Data Analysis to Support Risk Estimation The Intertwining of Data, Decisions, and Reliability Sai Zhang, Diego Mandelli Idaho National Laboratory (INL)

ML24205A228

ML24220A185; ML24220A189 OFFICE RES/DRA/PRB NRR RES/DRA/PRB*

RES/DRA/PRB NAME JWood CDe HPhan for JLane JWood DATE Aug 7, 2024 Aug 8, 2024 Aug 8, 2024 Aug 8, 2024