IR 05000317/2025420
| ML26014A027 | |
| Person / Time | |
|---|---|
| Site: | Calvert Cliffs  (DPR-053, DPR-069) |
| Issue date: | 01/20/2026 |
| From: | Clark J Security Performance Evaluation Branch |
| To: | Mudrick C Constellation Energy Generation |
| References | |
| IR 2025420 | |
| Download: ML26014A027 (0) | |
Text
SUBJECT:
CALVERT CLIFFS NUCLEAR POWER PLANT, LLC, UNIT 1 & UNIT 2 -
SECURITY BASELINE INSPECTION REPORT 05000317/2025420 AND 05000318/2025420
Dear Christopher H. Mudrick:
On December 19, 2025, the U.S. Nuclear Regulatory Commission (NRC) completed an inspection at Calvert Cliffs Nuclear Power Plant, LLC, Unit 1 & Unit 2. On December 18, 2025, the NRC inspectors discussed the results of this inspection with Peter Moodie 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, Jefferson K. Clark, Chief Security Performance Evaluation Branch Division of Security Operations Docket Nos. 05000317 and 05000318 License Nos. DPR-53 and DPR-69
Enclosure:
As stated January 20, 2026 Signed by Clark, Jefferson on 01/20/26
Inspection Report
Docket Numbers:
05000317 and 05000318
License Numbers:
Report Numbers:
05000317/2025420 and 05000318/2025420
Enterprise Identifier:
I-2025-420-0017
Licensee:
Constellation Nuclear
Facility:
Calvert Cliffs Nuclear Power Plant, LLC, Unit 1 & Unit 2
Location:
Lusby, MD
Inspection Dates:
December 01, 2025, to December 19, 2025
Inspectors:
C. Roundtree, Team Leader, NSIR
C. Bustamante, Physical Security Inspector, NSIR
R. Lanfear, Physical Security Inspector, RIV
K. Hussar, Sr. Physical Security Inspector, RI
J. Edwards, Physical Security Inspector, RI
Approved By:
Jefferson K. Clark, Chief
Security Performance Evaluation Branch
Division of Security Operations
SUMMARY
The U.S. Nuclear Regulatory Commission (NRC) continued monitoring the licensees performance by conducting a security baseline inspection at Calvert Cliffs Nuclear Power Plant,
LLC, Unit 1 & Unit 2, 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) 2201, Security Inspection Program for Commercial Nuclear Power Reactors. 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.
SAFEGUARDS
71130.03 - Contingency Response - Force-On-Force Testing
Contingency Response - Force-On-Force Testing (1 Sample)
- (1) NRC inspectors completed the Contingency Response - Force-on-Force (FOF)
Testing inspection procedure by evaluating the licensees performance in implementing the physical protection program to detect, assess, interdict, and neutralize threats up to, and including, the design basis threat of radiological sabotage. Two NRC-evaluated FOF exercises were conducted for the evaluation.
REPORT ATTACHMENTS
Supplemental Information for the report is considered Safeguards Information and is located separately within the NRCs Safeguards Information Local Area Network and Electronic Safe database (SLES), under NS126335.
INSPECTION RESULTS
No findings were identified.
EXIT MEETINGS AND DEBRIEFS
The inspectors verified no proprietary information was retained or documented in this report.
- On December 18, 2025, the inspectors presented the security baseline inspection results to Peter Moodie and other members of the licensee staff.
DOCUMENTS REVIEWED
Inspection
Procedure
Type
Designation
Description or Title
Revision or
Date
2/17/2025
2/17/2025
2/17/2025
2/17/2025
2/17/2025
2/17/2025
2/17/2025
2/17/2025
Corrective Action
Documents
2/18/2025
Miscellaneous
Communications
04/30/2019
Calvert Cliffs Nuclear Power Plant Security Plan, Training
and Qualification Plan, Safeguards Contingency Plan and
Independent Spent Fuel Storage Installation Security
Program
Revision 18
March 2025
Loss of Offsite Power presentation
08-12-2025
Unattended Opening Map
08-12-2025
Force on Force Table of Security Personnel
08-11-2025
Communications
04-30-2025
22 Defensive Positions and Locations
2-07-2022
BRE Positions
08-11-2025
Protected Area Intrusion Detection System
08-11-2025
Security Computer and MUX Locations
08-11-2025
Weapon Storage
08-11-2025
Fences and Delay Design Timelines
03/26/2021
08/12/2025
Unattended Openings
08/12/2025
FOF Table of Security Personnel
08/11/2025
Calvert Cliffs Security Fighting Positions
Revision 0
2/07/2022
Procedures
BRE Positions
08/11/2025
Inspection
Procedure
Type
Designation
Description or Title
Revision or
Date
08/11/2025
Security Computers and MUX Locations
08/11/2025
SY-CA-101-501
Defensive Strategy
Revision 18
3-11-2025
SY-CA-101-502
Calvert Cliffs Nuclear Power Plant Security Target Sets
Revision 6
03/21/2025
Ltr ML26014A027
OFFICE
NSIR/DSO/SPEB
R-I/DRSS/SEPIR
NSIR/DSO/SPEB
/ETA
NSIR/DSO/SPEB
/ETA
NAME
CBustamante
JEdwards
CRoundtree
JClark
DATE
Jan 14, 2026
Jan 15, 2026
Jan 16, 2026
Jan 20, 2026