ML25247A001
| ML25247A001 | |
| Person / Time | |
|---|---|
| Site: | Oconee  |
| Issue date: | 09/05/2025 |
| From: | Daniel Bacon NRC/RGN-II/DORS/EB2 |
| To: | Snider S Duke Energy Carolinas |
| References | |
| IR 2025403 | |
| Download: ML25247A001 (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 Steven M. Snider Site Vice President Duke Energy Carolinas, LLC Oconee Nuclear Station 7800 Rochester Highway Seneca, SC 29672-0752
SUBJECT:
OCONEE NUCLEAR STATION - CYBER SECURITY INSPECTION REPORT 05000269/2025403 AND 05000270/2025403 AND 05000287/2025403
Dear Steven Snider:
On August 1, 2025, the U.S. Nuclear Regulatory Commission (NRC) completed an inspection at Oconee Nuclear Station. On July 31, 2025, the NRC inspectors discussed the results of this inspection with you 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 II; the Director, Office of Enforcement; the Director, Office of Nuclear Security and Incident Response; and the NRC Resident Inspector at Oconee 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 2.390, Public Inspections, Exemptions, Requests for Withholding.
September 5, 2025
OFFICIAL USE ONLY - SECURITY-RELATED INFORMATION S. Snider 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 Title 10 of the Code of Federal Regulations (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, Daniel M. Bacon, Branch Chief Engineering Branch 2 Division of Operating Reactor Safety Docket Nos. 05000269 and 05000270 and 05000287 License Nos. DPR-38 and DPR-47 and DPR-55
Enclosure:
As stated cc w/o encl: Distribution via LISTSERV Signed by Bacon, Daniel on 09/05/25
ML25247A002 (Cover letter w/ enclosure(s))
ADAMS ACCESSION NUMBER: ML25247A001 (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 RII/DORS/EB2 RII/DORS/EB2 RII/DORS/EB2 NAME J. Alamudun W. Monk D. Bacon DATE 09/ 04 /2025 09/ 04 /2025 09/ 05 /2025