IR 05000413/2024006

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Annual Assessment Letter for Catawba Nuclear Station Units 1 and 2 (NRC Inspection Report 05000413/2024006 and 05000414/2024006)
ML25065A266
Person / Time
Site: Catawba  
Issue date: 03/11/2025
From: Mark Franke
NRC/RGN-II/DORS/PB1
To: Flippin N
Duke Energy Carolinas
References
IR 2024006
Download: ML25065A266 (1)


Text

March 11, 2025

SUBJECT:

ANNUAL ASSESSMENT LETTER FOR CATAWBA NUCLEAR STATION -

UNITS 1 AND 2 (NRC INSPECTION REPORT 05000413/2024006 AND 05000414/2024006)

Dear Nicole Flippin:

The NRC has completed its end-of-cycle performance assessment of Catawba Nuclear Station, Units 1 and 2, reviewing performance indicators (PIs), inspection results, and enforcement actions from January 1, 2024, through December 31, 2024. This letter informs you of the NRCs assessment of your facility during this period and its plans for future inspections at your facility.

The NRC concluded that overall performance at your facility preserved public health and safety.

The baseline inspection program was completed at your facility as defined in Inspection Manual Chapter 2515, Light-Water Reactor Inspection Program - Operations Phase.

The NRC determined the performance at Catawba Nuclear Station, Units 1, during the most recent quarter was within the Licensee Response Column, the highest performance category of the NRCs Reactor Oversight Process (ROP) Action Matrix, because all inspection findings had very low safety significance (i.e., Green), and all PIs were within the expected range (i.e.,

Green).

The NRC determined the performance at Catawba Nuclear Station, Unit 2, during the most recent quarter was within the Regulatory Response Column, the second highest performance column of the NRCs ROP Action Matrix. This conclusion was based on a single inspection finding having low-to-moderate safety significance (i.e., White) in the Mitigating Systems Cornerstone originating in the first quarter of 2024, and all PIs within the expected range (i.e.,

Green).

Therefore, in addition to ROP baseline inspections, the NRC initiated a supplemental inspection in accordance with Inspection Procedure 95001, Supplemental Inspection Response to Action Matrix Column 2 (Regulatory Response) Inputs. On February 21, 2025, the NRC was notified of your readiness for the supplemental inspection to review the actions taken to address the performance issues, and the NRC began the supplemental inspection on March 10, 2025.

The enclosed inspection plan lists the inspections scheduled through December 31, 2026. The NRC provides the inspection plan to allow for the resolution of any scheduling conflicts and personnel availability issues. Routine inspections performed by resident inspectors are not included in the inspection plan. The inspections listed during the last 12 months of the inspection plan are tentative and may be revised. The NRC will contact you as soon as possible to discuss changes to the inspection plan should circumstances warrant any changes. In accordance with Title 10 of the Code of Federal Regulations (10 CFR) 2.390 of the NRCs Rules of Practice, a copy of this letter will be available electronically for public inspection in the NRC Public Document Room or from the Publicly Available Records (PARS) component of NRC's document system (ADAMS). ADAMS is accessible from the NRC Web site at http://www.nrc.gov/reading-rm/adams.html (the Public Electronic Reading Room).

Please contact me at 404-997-4600 with any questions you have regarding this letter.

Sincerely, Mark E. Franke, Director Division of Operating Reactor Safety Docket Nos. 05000413 and 05000414 License Nos. NPF-35 and NPF-52 Enclosure:

Catawba Inspection Plan (3/1/2025 - 12/31/2026)

cc: Distribution via ListServ Signed by Franke, Mark on 03/11/25

ML25065A266 X

SUNSI Review X

Non-Sensitive

Sensitive X

Publicly Available

Non-Publicly Available OFFICE RII/DORS RII/DORS RII/DORS NAME J. Seat R. Williams M. Franke DATE 03/07/25 03/07/25 03/11/25

Site Inspection Activity Plan Enclosure 07200045 - Catawba (ISFSI)

03/01/2025 - 12/31/2026 Unit Start End Activity CAC Title Staff Count OPERATION OF AN ISFSI

5/19/2025 5/23/2025 IP 60855 001001 Operation Of An ISFSI ISFSI LICENSE RENEWAL

11/16/2026 11/20/2026 IP 60859 001921 Independent Spent Fuel Storage Installation (ISFSI) License Renewal Inspection

Site Inspection Activity Plan

Catawba 03/01/2025 - 12/31/2026 Unit Start End Activity CAC Title Staff Count EDG VENTILATION IP95001

2 3/10/2025 3/14/2025 IP 71153 000749 Follow Up of Events and Notices of Enforcement Discretion

3/10/2025 3/14/2025 IP 95001 000938 Supplemental Inspection Response to Action Matrix Column 2 (Regulatory Response) Inputs SECURITY BASELINE INSPECTION

1,2 3/24/2025 3/27/2025 IP 71130.01 000733 Access Authorization 1,2 3/24/2025 3/27/2025 IP 71130.04 000736 Equipment Performance, Testing, and Maintenance 1,2 3/24/2025 3/27/2025 IP 71130.07 000739 Security Training 1,2 3/24/2025 3/27/2025 IP 71130.08 000740 Fitness-For-Duty Program 1,2 3/24/2025 3/28/2025 SGT 000981 FB-OR-Security Inspection Travel (SGT)

COMPREHENSIVE ENGINEERING TEAM INSPECTION (CETI)

1,2 5/5/2025 5/9/2025 IP 71111.21M 000713 Comprehensive Engineering Team Inspection 1,2 5/19/2025 5/23/2025 IP 71111.21M 000713 Comprehensive Engineering Team Inspection OPERATION OF AN ISFSI

FORCE-ON-FORCE PLANNING AND EXERCISE WEEKS - CAT

1,2 6/23/2025 6/27/2025 IP 71130.03 000735 Contingency Response - Force-On-Force Testing 1,2 6/23/2025 6/27/2025 SGT 000981 FB-OR-Security Inspection Travel (SGT)

1,2 7/14/2025 7/18/2025 IP 71130.03 000735 Contingency Response - Force-On-Force Testing 1,2 7/14/2025 7/18/2025 SGT 000981 FB-OR-Security Inspection Travel (SGT)

EMERGENCY PREPAREDNESS PROGRAM INSPECTION

1,2 7/7/2025 7/11/2025 IP 71114.02 000717 Alert and Notification System Testing 1,2 7/7/2025 7/11/2025 IP 71114.03 000718 Emergency Response Organization Staffing and Augmentation System 1,2 7/7/2025 7/11/2025 IP 71114.04 000719 Emergency Action Level and Emergency Plan Changes 1,2 7/7/2025 7/11/2025 IP 71114.05 000720 Maintenance of Emergency Preparedness 1,2 7/7/2025 7/11/2025 IP 71151 001397 Performance Indicator Verification UNIT 2 IN-SERVICE INSPECTION +SG

RP OCCUPATIONAL RAD SAFETY AND TRANSPORTATION BASELINE INSPECTION

1,2 9/15/2025 9/19/2025 IP 71124.01 000725 Radiological Hazard Assessment and Exposure Controls 1,2 9/15/2025 9/19/2025 IP 71124.08 000732 Radioactive Solid Waste Processing & Radioactive Material Handling, Storage, & Transportation 1,2 9/15/2025 9/19/2025 IP 71151 000746 Performance Indicator Verification SECURITY BASELINE INSPECTION

1,2 5/19/2025 5/23/2025 IP 60855 001001 Operation Of An ISFSI

9/15/2025 9/26/2025 IP 71111.08P 000702 Inservice Inspection Activities (PWR)

Site Inspection Activity Plan

1,2 11/17/2025 11/20/2025 IP 71130.02 000734 Access Control 1,2 11/17/2025 11/20/2025 IP 71130.09 001656 Security Plan Changes 1,2 11/17/2025 11/20/2025 IP 71151 001338 Performance Indicator Verification 1,2 11/17/2025 11/21/2025 SGT 000981 FB-OR-Security Inspection Travel (SGT)

CATAWBA INITIAL LICENSE EXAM

1,2 11/2/2025 11/8/2025 OV 000956 FB-OR-Onsite Validation Of Initial License Examination (OV)

1,2 12/7/2025 12/20/2025 EXAD 000500 FB-OR-Initial License Exam Administration (EXAD)

EMERGENCY PREPAREDNESS EXERCISE INSPECTION

1,2 3/9/2026 3/13/2026 IP 71114.04 000719 Emergency Action Level and Emergency Plan Changes 1,2 3/9/2026 3/13/2026 IP 71114.07 000722 Exercise Evaluation - Hostile Action (HA) Event 1,2 3/9/2026 3/13/2026 IP 71151 001397 Performance Indicator Verification RP OCCUPATIONAL RAD SAFETY BASELINE INSPECTION

1,2 4/13/2026 4/17/2026 IP 71124.01 000725 Radiological Hazard Assessment and Exposure Controls 1,2 4/13/2026 4/17/2026 IP 71124.03 000727 In-Plant Airborne Radioactivity Control and Mitigation 1,2 4/13/2026 4/17/2026 IP 71124.04 000728 Occupational Dose Assessment 1,2 4/13/2026 4/17/2026 IP 71124.05 000729 Radiation Monitoring Instrumentation 1,2 4/13/2026 4/17/2026 IP 71151 000746 Performance Indicator Verification 1,2 6/1/2026 6/5/2026 IP 71124.01 000725 Radiological Hazard Assessment and Exposure Controls 1,2 6/1/2026 6/5/2026 IP 71124.03 000727 In-Plant Airborne Radioactivity Control and Mitigation 1,2 6/1/2026 6/5/2026 IP 71124.04 000728 Occupational Dose Assessment 1,2 6/1/2026 6/5/2026 IP 71124.05 000729 Radiation Monitoring Instrumentation 1,2 6/1/2026 6/5/2026 IP 71151 000746 Performance Indicator Verification UNIT 1 IN-SERVICE INSPECTION +SG

1 4/20/2026 5/1/2026 IP 71111.08P 000702 Inservice Inspection Activities (PWR)

CATAWBA REQUAL INSPECTION

CYBER SECURITY INSPECTION

1,2 10/5/2026 10/9/2026 IP 71130.10 000741 Cybersecurity SECURITY BASELINE INSPECTION

1,2 10/26/2026 10/29/2026 IP 71130.02 000734 Access Control 1,2 10/26/2026 10/29/2026 IP 71130.05 000737 Protective Strategy Evaluation 1,2 10/26/2026 10/29/2026 IP 71130.09 001656 Security Plan Changes 1,2 10/26/2026 10/29/2026 IP 71151 001338 Performance Indicator Verification 1,2 10/26/2026 10/30/2026 SGT 000981 FB-OR-Security Inspection Travel (SGT)

FOCUSED ENGINEERING INSPECTION (AGE-RELATED)

1,2 11/2/2026 11/6/2026 IP 71111.21N.04 001832 Age-Related Degradation 1,2 8/24/2026 8/28/2026 IP 71111.11B 000704 Licensed Operator Requalification Program and Licensed Operator Performance

Site Inspection Activity Plan

1,2 11/16/2026 11/20/2026 IP 60859 Independent Spent Fuel Storage Installation (ISFSI) License Renewal Inspection ISFSI LICENSE RENEWAL

1,2 11/16/2026 11/20/2026 IP 71111.21N.04 001832 Age-Related Degradation