IR 05000461/2025501
| ML25230A111 | |
| Person / Time | |
|---|---|
| Site: | Clinton  |
| Issue date: | 08/20/2025 |
| From: | Michael Ziolkowski NRC/RGN-III/DRSS |
| To: | Rhoades D Constellation Energy Generation, Constellation Nuclear |
| References | |
| IR 2025501 | |
| Download: ML25230A111 (1) | |
Text
SUBJECT:
CLINTON POWER STATION - EMERGENCY PREPAREDNESS BIENNIAL EXERCISE INSPECTION REPORT 05000461/2025501
Dear David Rhoades:
On July 24, 2025, the U.S. Nuclear Regulatory Commission (NRC) completed an inspection at Clinton Power Station and discussed the results of this inspection with A. Krukowski and other members of your staff. The results of this inspection are documented in the enclosed report.
No findings or violations of more than minor significance were identified during this inspection.
This letter, its enclosure, and your response (if any) will be made available for public inspection and copying at http://www.nrc.gov/reading-rm/adams.html and at the NRC Public Document Room in accordance with Title 10 of the Code of Federal Regulations 2.390, Public Inspections, Exemptions, Requests for Withholding.
Sincerely, Michael E. Ziolkowski, Chief Security, Emergency Preparedness, and Incident Response Branch Division of Radiological Safety and Security Docket No. 05000461 License No. NPF-62
Enclosure:
As stated
Inspection Report
Docket Number:
05000461
License Number:
Report Number:
Enterprise Identifier:
I-2025-501-0007
Licensee:
Constellation Nuclear
Facility:
Clinton Power Station
Location:
Clinton, IL
Inspection Dates:
July 21, 2025 to July 24, 2025
Inspectors:
L. Cender, Sr Health Physicist
J. Dalzell, Technical Assistant
J. Kutlesa, Sr Emergency Preparedness Inspector
T. McGowan, Emergency Preparedness Inspector
Approved By:
Michael E. Ziolkowski, Chief
Security, Emergency Preparedness, and Incident Response Branch
Division of Radiological Safety and Security
SUMMARY
The U.S. Nuclear Regulatory Commission (NRC) continued monitoring the licensees performance by conducting an emergency preparedness biennial exercise inspection at Clinton Power Station, in accordance with the Reactor Oversight Process. The Reactor Oversight Process is the NRCs program for overseeing the safe operation of commercial nuclear power reactors. Refer to https://www.nrc.gov/reactors/operating/oversight.html for more information.
List of Findings and Violations
No findings or violations of more than minor significance were identified.
Additional Tracking Items
None.
INSPECTION SCOPES
Inspections were conducted using the appropriate portions of the inspection procedures (IPs) in effect at the beginning of the inspection unless otherwise noted. Currently approved IPs with their attached revision histories are located on the public website at http://www.nrc.gov/reading-rm/doc-collections/insp-manual/inspection-procedure/index.html. Samples were declared complete when the IP requirements most appropriate to the inspection activity were met consistent with Inspection Manual Chapter (IMC) 2515, Light-Water Reactor Inspection Program - Operations Phase. The inspectors reviewed selected procedures and records, observed activities, and interviewed personnel to assess licensee performance and compliance with Commission rules and regulations, license conditions, site procedures, and standards.
REACTOR SAFETY
71114.01 - Exercise Evaluation
Inspection Review (IP Section 02.01-02.11) (1 Sample)
- (1) The inspectors evaluated the biennial emergency plan exercise on July 22, 2025. The exercise scenario simulated an event at the Clinton Power Station that initiated with the declaration and notification of an Alert caused by a drywell seal leak leading to increased drywell pressure and prompting a SCRAM. The scenario conditions simulated the escalation of the significance of the event, requiring the declaration of a Site Area Emergency and a General Emergency which was communicated to the required state and local government agencies.
71114.08 - Exercise Evaluation - Scenario Review
Inspection Review (IP Section 02.01 - 02.04) (1 Sample)
- (1) The inspectors reviewed and evaluated the proposed scenario for biennial emergency plan exercise on June 25,
OTHER ACTIVITIES - BASELINE
===71151 - Performance Indicator Verification The inspectors verified licensee performance indicators submittals listed below:
EP01: Drill/Exercise Performance (DEP) Sample (IP Section 02.12)===
- (1) April 01, 2024 through June 30, 2025 EP02: Emergency Response Organization (ERO) Drill Participation (IP Section 02.13) (1 Sample)
- (1) April 01, 2024 through June 30, 2025 EP04: Emergency Response Facility and Equipment Readiness (ERFER) (IP Section 02.14) (1 Sample)
- (1) January 01, 2025 through June 30,
INSPECTION RESULTS
No findings were identified.
EXIT MEETINGS AND DEBRIEFS
The inspectors verified no proprietary information was retained or documented in this report.
- On July 24, 2025, the inspectors presented the emergency preparedness biennial exercise inspection results to A. Krukowski and other members of the licensee staff.
DOCUMENTS REVIEWED
Inspection
Procedure
Type
Designation
Description or Title
Revision or Date
Procedures
Standardized Radiological Emergency Plan
Constellation Radiological Emergency Plan Annex for Clinton
Station
Addendum 1
Clinton Station On-Shift Staffing Technical Basis
Addendum 3
Constellation Emergency Action Levels for Clinton Station
Miscellaneous
25 Clinton NRC Graded Exercise 7/22/2025
May 27, 2025
71151
Miscellaneous
Monthly Data Elements for MRC ROP Indicator - Emergency
Response Organization (ERO) Drill Participation
April 01, 2024 -
June 30, 2025
Monthly Data Elements for NRC ROP Indicator Drill/Exercise
Performance
April 01, 2024 -
June 30, 2025
Monthly Data Elements for NRC ROP Indicator - Emergency
Response Facility and Equipment Readiness (ERFER)
January 01, 2025 -
June 30, 2025