IR 05000336/2024403

Cyber Security Inspection Report 05000336/2024403 and 05000423/2024403 (Cover Letter Only)

ML25013A107
Person / Time
Site:	Millstone
Issue date:	01/13/2025
From:	Glenn Dentel NRC/RGN-I/DORS
To:	Carr E Dominion Energy
References
IR 2024403
Download: ML25013A107 (1)

Text

January 13, 2025

SUBJECT:

MILLSTONE POWER STATION, UNITS 2 AND 3 - CYBER SECURITY INSPECTION REPORT 05000336/2024403 AND 05000423/2024403

Dear Eric Carr:

On December 13, 2024, the U.S. Nuclear Regulatory Commission (NRC) completed an inspection at Millstone Power Station, Units 2 and 3. On December 16, 2024, the NRC inspectors discussed the results of this inspection with Alex Trespalacios, 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 Millstone Power Station, Units 2 and 3.

The following cross-cutting aspect was assigned to a finding using Inspection Manual Chapter 0310, Aspects Within Cross-Cutting Areas: [H.5] - Work Management.

If you disagree with a cross-cutting aspect assignment in this report, you should provide a response within 30 days of the date of this inspection report, with the basis for your disagreement, 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 Nuclear Security and Incident Response; and the NRC Resident Inspector at Millstone Power Station, Units 2 and 3.

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.

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. 05000336 and 05000423 License Nos. DPR-65 and NPF-49

Enclosure:

As stated

cc w/o encl: Distribution via LISTSERV

cc w/encl:

J. Semancik, Director, Radiation Division, Bureau of Air Management, CT DEEP J. Perno, Manager - Nuclear Protection Services J. Esposito, Security Operations Superintendent

Glenn T.

Dentel Digitally signed by Glenn T. Dentel Date: 2025.01.13 13:18:09 -05'00'

ML25013A103 (Cover letter w/ enclosure(s))

ADAMS ACCESSION NUMBER: ML25013A107 (Cover letter)

Entire Report:

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

X SUNSI Review X Non-Sensitive Sensitive X Publicly Available Non-Publicly Available OFFICE RI/DORS RI/DORS RI/DORS RI/DORS

NAME BPinson DWerkheiser MYoung GDentel

DATE 1/8/2025 1/10/2025 1/10/2025 1/10/2025