ML25169A001

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Nuclear Station - Cyber Security Inspection Report 05000220/2025403 and 05000410/2025403 (Cover Letter Only)
ML25169A001
Person / Time
Site: Nine Mile Point  
Issue date: 06/18/2025
From: Glenn Dentel
Division of Operating Reactors
To: Rhoades D
Constellation Energy Generation, Constellation Nuclear
References
IR 2025403
Download: ML25169A001 (1)


Text

OFFICIAL USE ONLY - SECURITY-RELATED INFORMATION Enclosure(s) transmitted herewith contain(s) SUNSI. When separated from enclosure(s), this transmittal document is decontrolled.

OFFICIAL USE ONLY - SECURITY-RELATED INFORMATION June 18, 2025 David P. Rhoades Senior Vice President Constellation Energy Generation, LLC President and Chief Nuclear Officer (CNO)

Constellation Nuclear 4300 Winfield Road Warrenville, IL 60555

SUBJECT:

NINE MILE POINT NUCLEAR STATION - CYBER SECURITY INSPECTION REPORT 05000220/2025403 AND 05000410/2025403

Dear David Rhoades:

On May 23, 2025, the U.S. Nuclear Regulatory Commission (NRC) completed an inspection at Nine Mile Point Nuclear Station and discussed the results of this inspection with Carl Crawford, Plant Manager, and other members of your staff. The results of this inspection are documented in the enclosed report.

One finding of very low security significance (Green) is documented in this report. This finding involved a violation of NRC requirements. We are treating this violation as a non-cited violation (NCV) consistent with Section 2.3.2 of the Enforcement Policy.

If you contest the violation or the significance or severity of the violation documented in this inspection report, you should provide a response within 30 days of the date of this inspection report, with the basis for your denial, to the U.S. Nuclear Regulatory Commission, ATTN:

Document Control Desk, Washington, DC 20555-0001; with copies to the Regional Administrator, Region I; the Director, Office of Enforcement; the Director, Office of Nuclear Security and Incident Response; and the NRC Resident Inspector at Nine Mile Point Nuclear Station.

This letter 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 (10 CFR) 2.390, Public Inspections, Exemptions, Requests for Withholding.

OFFICIAL USE ONLY - SECURITY-RELATED INFORMATION D. Rhoades 2

OFFICIAL USE ONLY - SECURITY-RELATED INFORMATION The enclosed report contains Security-Related Information, so the enclosed report will not be made publicly available in accordance with 10 CFR 2.390(d)(1). If you choose to provide a response that contains Security-Related Information, please mark your entire response Security-Related Information-Withhold from public disclosure under 10 CFR 2.390 in accordance with 10 CFR 2.390(d)(1) and follow the instructions for withholding in 10 CFR 2.390(b)(1). The NRC is waiving the affidavit requirements for your response in accordance with 10 CFR 2.390(b)(1)(ii).

Sincerely, Glenn T. Dentel, Chief Engineering Branch 2 Division of Operating Reactor Safety Docket Nos. 05000220 and 05000410 License Nos. DPR-63 and NPF-69

Enclosure:

As stated cc w/o encl: Distribution via LISTSERV cc w/ encl:

N. Beasley, Security Program Lead H. Greeney, Security Manager P. Fischer, Security Ops Manager A. Peterson, State Liaison Office Designee, NY State Energy, Research and Development Authority B. Wright, NYS Division of Homeland Security and Emergency Services GLENN DENTEL Digitally signed by GLENN DENTEL Date: 2025.06.18 11:24:54 -04'00'

ML25169A002 (Cover letter w/ enclosure(s))

ADAMS ACCESSION NUMBER: ML25169A001 (Cover letter)

Entire Report:

SUNSI Review Non-Sensitive Sensitive Publicly Available Non-Publicly Available Cover Letter Only:

SUNSI Review Non-Sensitive Sensitive Publicly Available Non-Publicly Available OFFICE RI/DORS RI/DORS NAME BPinson GDentel DATE 6/17/2025 6/17/2025