NOC-AE-000507, Monthly Operating Repts for Mar 1999 for Stp,Units 1 & 2. with

Monthly Operating Repts for Mar 1999 for Stp,Units 1 & 2. with

ML20205K330
Person / Time
Site:	South Texas
Issue date:	03/31/1999
From:	Cobb D, Mallen F, Parkey G HOUSTON LIGHTING & POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NOC-AE-000507, NOC-AE-507, NUDOCS 9904130107
Download: ML20205K330 (14)

Text

Nuclear Operating Company South kus hryttt* Makar geristhgg Canjuny 20 &u 239 Hkhmvth kus17433 m April 7,1999 NOC-AE-000507 File No. G02 ST130849399 10CFR50.71 U. S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555 South Texas Project Units 1 and 2 Docket Nos. STN 50-498, STN 50-499 Monthly Operating Reports for March,1999 Pursuant to 10CFR50.71(a) and South Texas Project Electric Generating Station f (STPEGS) Technical Specification 6.9.1.5, attached are the Monthly Operating Reports for I March,1999.

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

Sincerely, F. H. Mallen Manager, Planning & Controls l

RLH/cjs i Attachments: 1) STPEGS Unit 1 Monthly Operating Report - February,1999

2) STPEGS Unit 2 Monthly Operating Report - February,1999 9904130107 990331 PDH R

ADOCK 05000498 PDR __

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130055

NOC-AE-000507 File No.: G02 Page 2 Ellis W. Merschoff Jon C. Wood Regional Administrator, Region IV Matthe vs & Branscomb U. S. Nuclear Regulatory Commission One Alamo Center 611 Ryan Plaza Drive, Suite 400 106 S. St. Mary's Street, Suite 700 l Arlington, TX 76011-8064 San Antonio,TX 78205-3692 Thomas W. Alexion Institute of Nuclear Power l Project Manager, Mail Code 13H3 Operations - Records Center l U. S. Nuclear Regulatory Commission 700 Galleria Parkway l Washington, DC 20555-0001 Atlanta, GA 30339-5957 Cornelius F. O'Keefe Richard A. Ratliff Sr. Resident Inspector Bureau of Radiation Control c/o U. S. Nuclear Regulatory Commission Texas Department of Health P. O. Box 910 1100 West 49th Street Bay City, TX 77404-0910 Austin, TX 78756-3189 J. R. Newman, Esquire D. G. Tees /R. L. Balcom

! Morgan, Lewis & Bockius Houston Lighting & Power Co.

l 1800 M. Street N.W. P. O. Box 1700 Washington, DC 20036-5869 Houston,TX 77251 M. T. Hardt/W.' C. Gunst Central Power and Light Company

( . City Public Service ATTN: G. E. Vaughn/C. A. Johnson l P. O. Box 1771 P. O. Box 289, Mail Code: N5012 San Antonio,TX 78296 Wadsworth,TX 77483 A. Ramirez/C. M. Canady U. S. Nuclear Regulatory Commission  ;

City of Austin Attention: Document Control Desk l Electric Utility Department Washington, D.C. 20555-0001 i 721 Barton Springs Road Austin,TX 78704 l

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SOUTH TEXAS PROJECT

! ELECTRIC GENERATING STATION UNIT I MONTHLY OPERATING REPORT MARCH 1999 STP NUCLEAR OPERATING COMPANY NRC DOCKET NO. 50-498 LICENSE NO. NPF-76 i

Reviewed By: [M 4/di//f D.L. COBB Date Approved By: _ .//4//f

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G.L. PARKEY f D/te '

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SUMMARY

South Texas' Project Unit-1 began the reporting period operating at 100-percent reactor power.

On March 2, at 1500 the unit began a reactor power coastdown due to fuel burnup. This process entails a power reduction rate of 1-percent every 36-hours. The coastdown was successfully completed on March 26, with reactor power at 82-percent. The unit was removed from service on March 27, at 0001 for scheduled refueling.

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1 OPERATING DATA REPORT DOCKET NO. 50-498 UNIT I DATE Apr. 5,1999 COMPLETED BY R.L. Hill TELEPlIONE 512 972-7667 OPERATING STATUS l

1. REPORTING PERIOD: 3/1/99-3/31/99 GROSS HOURS IN REPORTING PERIOD: 744 j 2. CURRENTLY AUTHORIZED POWER LEVEL (Mwt): 3800 l MAXIMUM DEPENDABLE CAPACITY (MWe-Net): 1250.6 DESIGN ELECTRICAL RAT!NG (MWe-Net): 1250.6

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

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

5. NUMBER OF HOURS REACTOR CRITICAL 625.7 2,041.7 68,837.8

6. REACTOR RESERVE SHUTDOWN HOURS 0 0 Q

7. HOURS GENERATOR ON LINE 624.0 2,040.0 67,354.6

8. UNIT RESERVE SIIUTDOWN HOURS 0 0 0

9. GROSS THERMAL ENERGY GENERATED (MWH) 2,154,253 7,558,393 250,036,614

10. GROSS ELECTRICAL ENERGY GENERATED (MWH) 736,513 2,580.640 85,279,892

11. NET ELECTRICAL ENERGY GENERATED (MWH) 703,067 2,470.250 81,242,941

12. REACTOR SERVICE FACTOR 84.1 % 94.5 % 74.1 %

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13. REACTOR AVAILABILITY FACTOR 84.1 % 94.5 % 74.1%

14. UNIT SERVICE FACTOR 83.9 % 94.4 % 72.5 % j

15. UNIT AVAILABILITY FACTOR 83.9 % 94.4 % 72.5 %

16. UNIT CAPACITY FACTOR (Using MDC) 75.6 % 91.4 % 69.9%

17. UNIT CAPACITY FACTOR (Using Design MWe) 75.6 % 91.4 % 69.9%

18. UNIT FORCED OUTAGE RATE 0.0% 0.0% 17.8 %

19. SHUTDOWNS SCHEDULED OVER NEXT 6 MONTHS (TYPE, DATE, AND DURATION OF EACH):

NA

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

F AVERAGE DAILY UNIT POWER LEVEL i

DOCKET NO. 50-498 UNIT 1, DATE Apr. 5, I '."9 COMPLETED BY R.L. liill -

TELEPHONE 512 972-7667 MONTH MARCH DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL LEVEL (MWe-Net) (MWe-Net) 1 1246 17 1099 i 2 1246 18 1083 1

3 1237 19 1081 l

4 1227 20 1065 5 1212 21 1063 6 1206 22 1049 l 7 1190 23 1044 l

8 1183 24 1031

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

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SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION UNIT 2 MONTHLY OPERATING REPORT MARCH 1999 STP NUCLEAR OPERATING COMPANY NRC DOCKET NO. 50-499 LICENSE NO. NPF-80 Reviewed By:

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South Texas' Project Unit-2 operated during the reporting period with no unit shutdowns or significant power reductions.

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OPERATING DATA REPORT DOCENT. 50-499 UNIT 2 DATE Apr. 5,1999 COMPLETED BY R.L. Hill TELEPHONE 512 972-7667 OPERATING STATUS

1. REPORTING PERIOD: 3/l/99-3/31/99 GROSS HOURS IN REPORTING PERIOD: 744

2. CURRENTLY AUTHORIZED POWER LEVEL (Mwt): 3800 MAXIMUM DEPENDABLE CAPACITY (MWe-Net): 1250.6 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 744.0 2,141.1 65,142.6

6. REACTOR RESERVE SHUTDOWN HOURS 0 0 g

7. HOURS GENERATOR ON LINE 744.0 2,132.9 63,521.0

8. UNIT RESERVE SHUTDOWN HOURS 0 0_ 0

9. GROSS THERMAL ENERGY GENERATED (MWH) 2,839,756 8,111,156 236,011,521

10. GROSS ELECTRICAL ENERGY GENERATED (MWH) 973,633 2,779,063 80,370,936

11. NET ELECTRICAL ENERGY GENERATED (MWH) 934,407 2.665,665 76,729,754

12. REACTOR SERVICE FACTOR 100.0 % 99.1 % 76.0 %

13. REACTOR AVAILABILITY FACTOR 100.0 % 99.1 % 76.0 %

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14. UNIT SERVICE FACTOR - 100.0 % 98.7 % 74.1 %

15. UNIT AVAILABILITY FACTOR 100.0 % 98.7 % 74.1 % )

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16. UNIT CAPACITY FACTOR (Using MDC)

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100.4 % 98.7 % 71.6 %

17. UNIT CAPACIIY FACTOR (Using Design MWe) 100.4 % 98,7 % 71.6 %

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18. UNIT FORCED GUTAGE RATE 0.0% 1.3% 17.3 %

19. SHb TDOWNS SCHEDULED OVER NEXT 6 MONTHS (TYPE, DATE, AND DURATION OF EACH): .

l N/A .

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

_m-AVERAGE DAILY UNIT POWER LEVEL DOCKETNO. 50-499 UNIT 2 DATE Apr. 5, 1999 COMPLETED BY R.L. Hill TELEPilONE 512 972-7667 MONTH MARCil l

l DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL LEVEL (MWe-Net) (MWe-Net) l 1 1256 17 1257 I 2 1257 18 1257 3 1255 19 1256 4 1256 20 1257 i

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