Letter Sequence Other |
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Results
Other: ML22119A129, ML22353A642, ML23156A553, ML23199A317, ML23248A199, ML24192A252, ML24194A023, ML24194A024, ML24236A768, ML24297A140, ML24324A380, ML24324A381, ML25184A370, ML25190A667, ML25230A055, ML25245A157
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MONTHYEARML21288A1732021-10-0808 October 2021
Submission of X Energy, LLC (X-energy) Xe-100 Licensing Topical Report: Transient and Safety Analysis Methodologies Framework
Project stage: Request
ML22119A1292022-05-0909 May 2022
X Energy LL Audit Plan for Transient and Safety Analysis Methodology Framework Topical Report
Project stage: Other
ML22277A8242022-10-0404 October 2022
Submittal of Terrapower, LLC Topical Report, Regulatory Management of Natrium Nuclear Island and Energy Island Design Interfaces
Project stage: Request
ML22353A6422023-01-0505 January 2023
Terrapower - Audit Plan - Regulatory Management of Natrium Nuclear Island and Energy Island Design Interfaces
Project stage: Other
ML23024A2812023-01-24024 January 2023
Submittal of Terrapower Topical Report, Principal Design Criteria for the Natrium Advanced Reactor
Project stage: Request
ML23080A0452023-03-20020 March 2023
Submittal of Terrapower Plume Exposure Pathway Emergency Planning Zone Methodology Topical Report
Project stage: Request
ML23156A5532023-06-0707 June 2023
Cover Letter - Terrapower - Fuel and Control Assembly Qualification Audit Plan TP-LIC-LET-0051
Project stage: Other
ML23199A3172023-08-11011 August 2023
Terrapower - Audit Plan - Emergency Planning Zone (EPZ)
Project stage: Other
ML23248A1992023-09-0101 September 2023
Terrapower - Audit Plan - Volcanic Hazards -TP-LIC-LET-0070
Project stage: Other
ML24089A2442024-03-27027 March 2024
X Energy, LLC (X-energy), Submittal of Xe-100 Licensing Topical Report: Xe-100 Training Programs Methodology
Project stage: Request
ML24194A0232024-07-19019 July 2024
PDC Acceptability Review Email Transmitting 898 Form
Project stage: Other
ML24194A0242024-07-19019 July 2024
Evinci Nuc Design Method 898-form.pdf
Project stage: Other
ML24192A2522024-07-23023 July 2024
Acceptance Completeness Determination Transmittal Email for the SMR LLC (Holtec) Risk Significance Topical Report
Project stage: Other
ML24236A7682024-08-29029 August 2024
NRC Audit Plan - X-energy Evaluation Methods Topical Reports
Project stage: Other
ML24297A1402024-10-24024 October 2024
Email - Terrapower, LLC - Audit Plan for Topical Report: Reactor Seismic Isolation System Qualification, Revision 0 (Cac/Epid No. 000431/L-2024-TOP-0005)
Project stage: Other
ML24324A3802024-12-0404 December 2024
Westinghouse Electric Company, LLC, Audit Plan for Topical Report on the Nuclear Design Methodology of the Evincitm Microreactor
Project stage: Other
ML24324A3812024-12-0606 December 2024
Email-WEC Audit Plan for NDM TR
Project stage: Other
ML25190A6672025-08-21021 August 2025
Letter - Westinghouse Electric Co. Regulatory Audit Report Regarding TRISO Fuel Design Methodology for the Evinci Microreactor Topical Report
Project stage: Other
ML25230A0552025-08-21021 August 2025
Enclosure 2 - Westinghouse Electric Company - Audit Report for Evinci TRISO Fuel Design Methodology Topical Report - Non-proprietary Version
Project stage: Other
ML25245A1572025-12-0303 December 2025
Enclosure 2 Report for the Regulatory Audit Regarding Westinghouse Electric Companys Nuclear Design Methodology Topical Report- Nonproprietary
Project stage: Other
ML25184A3702025-12-0303 December 2025
Cover Letter - Report for the Regulatory Audit Regarding Westinghouse Electric Companys Nuclear Design Methodology Topical Report (Cac/Epid No. 00431/L-2024-TOP-0020)
Project stage: Other
2023-09-01
[Table View] |
Text
OFFICIAL USE ONLY - PROPRIETARY INFORMATION OFFICIAL USE ONLY - PROPRIETARY INFORMATION Mr. Anthony Schoedel, Director eVinci Licensing & Regulatory Affairs Westinghouse Electric Company, LLC.
51 Bridge Street Pittsburgh, PA 15223
SUBJECT:
REPORT FOR THE REGULATORY AUDIT REGARDING WESTINGHOUSE ELECTRIC COMPANY LLCS NUCLEAR DESIGN METHODOLOGY TOPICAL REPORT (CAC/EPID NO. 00431/L-2024-TOP-0020)
Dear Mr. Schoedel,
By letter dated May 15, 2024, (Agencywide Documents Access and Management System (ADAMS) Accession No. ML24137A244), Westinghouse Electric Company, LLC (Westinghouse) submitted Revision 0 of Topical Report EVR-LIC-RL-002-P/NP, Nuclear Design Methodology Topical Report, for the U.S. Nuclear Regulatory Commission (NRC) staffs review.
The NRC staff conducted this regulatory audit as part of its review to gain an understanding and to seek clarification of the information provided in the topical report that required having access to the supporting information. In preparation for the audit, the NRC staff shared the draft audit plan via the electronic reading room with Westinghouse and later sent the audit plan by e-mail on December 4, 2024, (ML24324A382). The audit kick-off meeting was held on November 22, 2024, (ML24324A380) and the audit was conducted from November 22, 2024, through April 23, 2025. The NRC staffs report for the regulatory audit conducted in connection with its review of the TR is provided as an enclosure.
The Enclosure to this letter contains proprietary information. When separated from the Enclosure, this letter is DECONTROLLED.
December 3, 2025
OFFICIAL USE ONLY - PROPRIETARY INFORMATION OFFICIAL USE ONLY - PROPRIETARY INFORMATION If you have any questions regarding this audit, please contact me at (301) 415-6035 or via email at Lucieann.VechioliFeliciano@nrc.gov.
Sincerely, Lucieann Vechioli Feliciano, Project Manager Advanced Reactors Licensing Branch 2 Division of Advanced Reactors and Non-Power Production and Utilization Facilities Office of Nuclear Reactor Regulation Docket No. 99902079
Enclosure:
As stated.
cc: schoedaj@westinghouse.com spaldiaj@westinghouse.com Signed by Vechioli, Lucieann on 12/03/25
Package: ML25184A372 Letter: ML25184A370 : ML25184A371 (Proprietary) : ML25245A157 (Nonproprietary)
NRR-106 OFFICE NRR/DANU/UAL2:PM NRR/DANU/UAL2:LA NRR//DANU/UATB3:BC NAME LVechioli CSmith GOberson DATE 07/09/2025 07/22/2025 7/23/2025 OFFICE NRR/DANU/UAL2:BC(A)
NRR/DANU/UAL2:PM NAME SPhilpott LVechioli DATE 8/1/2025 12/3/2025