NOC-AE-04001725, April 2004 Monthly Operating Report for South Texas Units 1 & 2

April 2004 Monthly Operating Report for South Texas Units 1 & 2

ML041390512
Person / Time
Site:	South Texas
Issue date:	05/13/2004
From:	Mallen F South Texas
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
G02, NOC-AE-04001725, STI: 31744956
Download: ML041390512 (14)

Text

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Nuclear Operating Cp

.SadX=&-dM*a 1 X CprAtaf M289 73 May 13, 2004 NOC-AE-04001725 File No.: G02 10CFR50.71 STI: 31744956 U. S. Nuclear Regulatory Commission Attention: Document Control Desk One White Flint North .

11555 Rockville Pike Rockville, MD 20852 South Texas Project Units 1 and 2 Docket Nos. STN 50-498, STN 50-499 Monthly Operating Reports for April 2004 Pursuant to 10CFR50.71(a) and South Texas Project Electric Generating Station (STPEGS) Technical Specification 6.9.1.5, attached are the Monthly Operating Reports for April 2004.

If you should have any questions on this matter, please contact R.L. Hill at (361) 972-7667.

F.H. Mallen General Manager, Financial Support Attachments: 1) STPEGS Unit 1 Monthly Operating Report - April 2004

2) STPEGS Unit 2 Monthly Operating Report - April 2004

NOC-AE-04001725 Page 2 cc:

(paper copy) (electronic copy)

Bruce S. Mallett A. H. Gutterman, Esquire Regional Administrator, Region IV Morgan, Lewis & Bockius LLP U. S. Nuclear Regulatory Commission 611 Ryan Plaza Drive, Suite 400 L. D. Blaylock Arlington, Texas 76011-8064 City Public Service U. S. Nuclear Regulatory Commission Michael K. Webb Attention: Document Control Desk U. S. Nuclear Regulatory Commission One White Flint North 11555 Rockville Pike R. L. Balcom Rockville, MD 20852 Texas Genco, LP Richard A. Ratliff A. Ramirez Bureau of Radiation Control City of Austin Texas Department of Health 1100 West 49th Street C. A. Johnson Austin, TX 78756-3189 AEP Texas Central Company Jeffrey Cruz Jon C. Wood U. S. Nuclear Regulatory Commission Matthews & Branscomb P. 0. Box 289, Mail Code: MN 16 Wadsworth, TX 77483 C. M. Canady City of Austin Electric Utility Department 721 Barton Springs Road Austin, TX 78704

SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION UNIT 1 MONTHLY OPERATING REPORT APRIL 2004 STP NUCLEAR OPERATING COMPANY NRC DOCKET NO. 50-498 LICENSE NO. NPF-76 Approved By: IS E.D.

A PIN r//1 Date

MONTHLY

SUMMARY

South Texas Project Unit 1 operated during the reporting period at full power with no unit shutdowns or significant power reductions.

OPERATING DATA REPORT DOCKET NO. 50-498 UNIT 1 DATE May 10. 2004 COMPLETED BY R.L. Hill TELEPHONE 361.972.7667 OPERATING STATUS

1. REPORTING PERIOD: 4/1/04 - 4/30/04 GROSS HOURS IN REPORTING PERIOD: 719

2. CURRENTLY AUTHORIZED POWER LEVEL (Mwt): 3,853 MAXIMUM DEPENDABLE CAPACITY (MWe-Net): 1.250.6 DESIGN ELECTRICAL RATING (MWe-Net): 1250.6

3. POWER LEVEL TO WHICH RESTRICTED (IF ANY) (MWe-Net): None

4. REASONS FOR RESTRICTION (IF ANY): N/A THIS MONTH YR TO DATE CUMULATIVE

5. NUMBER OF HOURS REACTOR CRITICAL 719.0 2.847.9 106.863.4

6. REACTOR RESERVE SHUTDOWN HOURS 0 0 0

7. HOURS GENERATOR ON LINE 719.0 2.831.8 105.159.3

8. UNIT RESERVE SHUTDOWN HOURS 0 0 0

9. GROSS THERMAL ENERGY GENERATED (MWH) 2.782.391 10.918,202 393.885.659

10. NET ELECTRICAL ENERGY GENERATED (MWH) 918.966 3.623.120 128.697.957

11. REACTOR SERVICE FACTOR (%/) 100.0 98.1 77.7

12. REACTOR AVAILABILITY FACTOR (%) 100.0 98.1 77.7

13. UNIT SERVICE FACTOR (%m) 100.0 97.5 76.5

14. UNIT AVAILABILITY FACTOR (%) 100.0 97.5 76.5

15. UNIT CAPACITY FACTOR - Using MDC (%) 102.2 99.8 74.9

16. UNIT CAPACITY FACTOR - Using DER (%) 102.2 99.8 74.9

17. UNIT FORCED OUTAGE RATE (%) 0.0 2.5 14.4

18. SHUTDOWNS SCHEDULED OVER NEXT 6 MONTHS (TYPE, DATE, & DURATION OF EACH): N/A

19. IF SHUTDOWN AT END OF REPORT PERIOD, ESTIMATED DATE OF STARTUP: N/A

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-498 UNIT I DATE May 10. 2004 COMPLETED BY R.L. Hill TELEPHONE 361.972.7667 MONTH APRIL DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL LEVEL (MWe-Net) (MWe-Net) 1 1266 17 1282 2 1274 18 1278 3 1280 19 1277 4 1280 20 1277 5 1278 21 1278 6 1278 22 1274 7 1281 23 1268 8 1281 24 1266 9 1282 25 1273 10 1276 26 1274 11 1281 27 1263 12 1283 28 1286 13 1285 29 1284 14 1287 30 1283 15 1286 16 1283

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-498 UNIT 1 DATE May 10. 2004 COMPLETED BY R.L. Hill TELEPHONE 361.972.7667 REPORT MONTH APRIL 1 2 3 4 5 No. Date Type Duration Reason Method of Licensee System Component Cause & Corrective Action to Prevent Recurrence (Hours) Shutting Event Code Code Down Report #

Reactor I I I I I I THERE WERE NO UNIT SHUTDOWNS OR SIGNIFICANT POWER REDUCTIONS DURING THE REPORTING PERIOD I I I I I I I I I 2 3 4 5 F: Forced Reason: Method: IEEE 805-1983 IEEE 803-1983 S: Scheduled A-Equipment Failure (Explain) I-Manual B-Maintenance or Test 2-Manual Scram C-Refueling 3-Automatic Scram D-Regulatory Restriction 4-Cont. of Existing E-Operator Training & License Exam Outage F-Administrative 5-Reduction G-Operational Error (Explain) 9-Other H-Other (Explain)

PORVS AND SAFETY VALVE

SUMMARY

There were no PORV or Safety Valves challenged during the reporting period.

SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION UNIT 2 MONTHLY OPERATING REPORT APRIL 2004 STP NUCLEAR OPERATING COMPANY NRC DOCKET NO. 50499 LICENSE NO. NPF-80 Approved By: 22*4 E.D. PIN Date

MONTHLY

SUMMARY

South Texas Project Unit 2 began the reporting period shutdown for refueling and scheduled maintenance. Due to corrective maintenance work on equipment required to allow start-up, the refueling outage was extended beyond the scheduled full power achievement date of April 25.

April 26, marked the beginning of unplanned outage time accrued to the unit. The unit was returned to service on April 27, at 1533 and achieved full power on May 1, at 0737.

OPERATING DATA REPORT DOCKETNO. 50-499 UNIT 2 DATE May 10, 2004 COMPLETED BY R.L. Hill TELEPHONE 361.972.7667 OPERATING STATUS

1. REPORTING PERIOD: 4/1/04 - 4/30/04 GROSS HOURS IN REPORTING PERIOD: 719

2. CURRENTLY AUTHORIZED POWER LEVEL (MWt): 3.853 MAXIMUM DEPENDABLE CAPACITY (MWe-Net): 1,250.6 DESIGN ELECTRICAL RATING (MWe-Net): 1,250.6

3. POWER LEVEL TO WHICH RESTRICTED (IF ANY) (MWe-Net): None

4. REASONS FOR RESTRICTION (IF ANY): N/A THIS MONTH YR TO DATE CUMULATIVE

5. NUMBER OF HOURS REACTOR CRITICAL 97.5 2.257.9 103.962.4

6. REACTOR RESERVE SHUTDOWN HOURS 0 0 0

7. HOURS GENERATOR ON LINE 80.5 2,240.5 101.646.0

8. UNIT RESERVE SHUTDOWN HOURS 0 0

9. GROSS THERMAL ENERGY GENERATED (MWH) 202.119 8.550.035 380.238.141

10. NET ELECTRICAL ENERGY GENERATED (MWH) 61.357 2.811.518 123.909.695

11. REACTOR SERVICE FACTOR (%/) 13.6 77.8 79.8

12. REACTOR AVAILABILITY FACTOR (%) 13.6 77.8 79.8

13. UNIT SERVICE FACTOR (%) 11.2 77.2 78.0

14. UNIT AVAILABILITY FACTOR (%) 11.2 77.2 78.0

15. UNIT CAPACITY FACTOR - Using MDC (%) 6.8 77.4 76.0

16. UNIT CAPACITY FACTOR - Using DER (%) 6.8 77.4 76.0

17. UNIT FORCED OUTAGE RATE (%) 33.0 1.7 13.7

18. SHUTDOWNS SCHEDULED OVER NEXT 6 MONTHS (TYPE, DATE, & DURATION OF EACH): N/A

19. IF SHUTDOWN AT END OF REPORT PERIOD, ESTIMATED DATE OF STARTUP: N/A

AVERAGE DAILY UNIT POWER LEVEL DOCKETNO. 50-499 UNIT 2 DATE May 10. 2004 COMPLETED BY R.L. Hill TELEPHONE 361.972.7667 MONTH APRIL DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL LEVEL (MWe-Net) (MWe-Net) 1 0 17 0 2 0 18 0 3 0 19 0 4 0 20 0 5 0 21 0 6 0 22 0 7 0 23 0 8 0 24 0 9 0 25 0 10 0 26 0 11 0 27 19 12 0 28 486 13 0 29 950 14 0 30 1102 15 0 16 0

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-499 UNIT 2 DATE May 10. 2004 COMPLETED BY R.L. Hill TELEPHONE 361.972.7667 REPORT MONTH APRIL 1 2 3 4 5 No. Date Type Duration Reason Method of Licensee System Component Cause & Corrective Action to Prevent Recurrence (Hours) Shutting Event Code Code Down Report #

Reactor 04-01 040331 S 599.0 C I N/A N/A N/A Scheduled refueling and maintenance outage.

04-02 040426 F 39.5 B 9 N/A N/A N/A Corrective maintenance work on equipment required to allow start-up.

I 2 3 4 5 F: Forced Reason: Method: IEEE 805-1983 IEEE 803-1983 S: Scheduled A-Equipment Failure (Explain) I-Manual B-Maintenance or Test 2-Manual Scram C-Refueling 3-Automatic Scram D-Regulatory Restriction 4-Cont. of Existing E-Operator Training & License Exam Outage F-Administrative 5-Reduction G-Operational Error (Explain) 9-Other H-Other (Explain)

PORVS AND SAFETY VALVE

SUMMARY

There were no PORV or Safety Valves challenged during the reporting period.