ML23089A402
| ML23089A402 | |
| Person / Time | |
|---|---|
| Site: | Summer  |
| Issue date: | 03/30/2023 |
| From: | Ryan Justice Dominion Energy South Carolina |
| To: | Office of Nuclear Reactor Regulation, Document Control Desk |
| References | |
| 23-096 | |
| Download: ML23089A402 (1) | |
Text
V.C. Summer Nuclear Station Bradham Blvd & Hwy 215, Jenkinsville, SC 29065 Mailing Address:
P.O. Box 88, Jenkinsvill e, SC 29065 DominionEnergy.com ATTN: Document Control Desk US Nuclear Regulatory Commission Washington, D.C. 20555-001 March 30, 2023 DOMINION ENERGY SOUTH CAROLINA, INC.
VIRGIL C. SUMMER NUCLEAR STATION UNIT 1 DOCKET NO. 50-395 OPERA TING LICENSE NO. NPF-12 ANNUAL OPERA TING REPORT
~
Dominion
~
Energy Serial No.23-096 UC/TS/RO Docket No. 50-395 License No. NPF-12 Enclosed is the 2022 Annual Operating Report for the Dominion Energy South Carolina, Inc. Virgil C. Summer Nuclear Station Unit No. 1. This report is being submitted in accordance with Technical Specification 6.9.1.4.
If there are any questions, please call Tracey Stewart at (803) 931-5663.
Sincerely, Site ice President V. C. Summer Nuclear Station w/o enclosure unless noted cc:
G. J. Lindamood - Santee Cooper L. Dudes - NRC G. Miller - NRC PM NRC Resident Inspector Marsh USA, Inc.
VIRGIL C. SUMMER NUCLEAR STATION UNIT 1 2022 ANNUAL OPERATING REPORT
PREFACE Serial No.23-096 Docket No. 50-395 VCSNS Annual Operating Report Page 1 of 4 The 2022 Annual Operating Report for the Virgil C. Summer Nuclear Station Unit 1 is hereby submitted in accordance with Technical Specification 6.9.1.4 under Docket Number 50-395 and Facility Operating License NPF-12.
SECTION 1.0 2.0 3.0 4.0 TABLE OF CONTENTS TITLE Introduction Operational Data Operating Summary Failed Fuel Serial No.23-096 Docket No. 50-395 VCSNS Annual Operating Report Page 2 of 4 PAGE 3
3 3
4
1.0 INTRODUCTION
Serial No.23-096 Docket No. 50-395 VCSNS Annual Operating Report Page 3 of 4 The Virgil C. Summer Nuclear Station (VCSNS) utilizes a pressurized water reactor rated at 2900 MWT. The maximum dependable capacity is 966 MWe.
The station is located approximately 26 miles northwest of Columbia, South Carolina.
2.0 OPERATIONAL DATA For the reporting period of January 1 through December 31, 2022, the station operated at a capacity factor of 101.5% (using maximum dependable capacity) and a unit availability of 99.4%. The reactor was critical for a total of 8760.0 hours0 days <br />0 hours <br />0 weeks <br />0 months <br />, the generator remained on line 8710.1 hours1.157407e-5 days <br />2.777778e-4 hours <br />1.653439e-6 weeks <br />3.805e-7 months <br /> and the total gross electrical energy generated for 2022 was 8,934,661 MWH.
3.0 OPERA TING
SUMMARY
VCSNS Unit No.1 operated at 100% power from January 1st through February 2nd.
On February 2nd power was reduced to approximately 15% and the main generator was taken offline at 1227 hours0.0142 days <br />0.341 hours <br />0.00203 weeks <br />4.668735e-4 months <br /> to perform repairs on the isophase bus duct. The main generator breaker was closed on February 4th at 1421 hours0.0164 days <br />0.395 hours <br />0.00235 weeks <br />5.406905e-4 months <br />. Reactor power was restored to 100% on February 5th.
VCSNS Unit No. 1 operated at 100% power from February 5th to May 22nd. On May 22nd at 1109 hours0.0128 days <br />0.308 hours <br />0.00183 weeks <br />4.219745e-4 months <br /> power was reduced to 91 % to perform Main Turbine Valve Testing. Reactor power was restored to 100% on May 22nd at 1800 hours0.0208 days <br />0.5 hours <br />0.00298 weeks <br />6.849e-4 months <br />.
VCSNS Unit No. 1 operated at 100% power from May 22nd to September 16th. On September 16th at 2131 hours0.0247 days <br />0.592 hours <br />0.00352 weeks <br />8.108455e-4 months <br /> power was reduced to 90% to support Main Turbine Valve Testing. Reactor power was restored to 100% on September 17th at 0203 hours0.00235 days <br />0.0564 hours <br />3.356481e-4 weeks <br />7.72415e-5 months <br />. Power was reduced to 93% on September 26th at 0459 hours0.00531 days <br />0.128 hours <br />7.589286e-4 weeks <br />1.746495e-4 months <br /> due to a trip of the 'D' Feedwater Booster Pump. Reactor power was restored to 100% on September 28th at 00:54 hours following repairs to the 'D' Feedwater Booster Pump Motor leads.
The unit remained at 100% power for the remainder of 2022.
Forced Power Reduction > 20% Exceeding 4 Hours None 4.0 FAILED FUEL Serial No.23-096 Docket No. 50-395 VCSNS Annual Operating Report Page 4 of 4 VCSNS did not have any indications of failed fuel in 2022.