NOC-AE-000543, Monthly Operating Repts for Apr 1999 for Stp,Units 1 & 2. with

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

ML20206S778
Person / Time
Site:	South Texas
Issue date:	04/30/1999
From:	Hill R, Mallen F HOUSTON LIGHTING & POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NOC-AE-000543, NOC-AE-543, NUDOCS 9905210215
Download: ML20206S778 (13)

Text

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May 13,1999 l NOC-AE-000543 l File No. G02 STI30877665 10CFR50.71 l

U. S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555 l l

South Texas Project  ;

Units I and 2  ;

l Docket Nos. STN 50-498, STN 50-499 l Monthly Operating Reports for April,1999  !

l 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.,1999.

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

Sincerely, A

F. H. Mallen Manager, Planning & Controls Attachments: 1) STPEGS Unit 1 Monthly Operating Report- April,1999 )

2) STPEGS Unit 2 Monthly Operating Report - April,1999 I pI kD 98 i R

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[:- NOC-AE-000543 File No.: G02 Page 2

- Ellis W. Merschoff Jon C. Wood Regional Administrator, Region IV Matthews & Branscomb

- U. S. Nuclear Regulatory Commission ' One Alamo Center

- 611 Ryan Plaza Drive, Suite 400 106 S. St. Mary's Street, Suite 700 Arlington, TX 76011-8064' San Antonio, TX 78205-3692

! Thomas W. Alexion Institute of Nuclear Power Project Manager, Mail Code 0-13 D18 Operations - Records Center 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 l Bay City,TX 77404-0910 Austin, TX 78756-3189 i

! J. R. Newman, Esquire D. G. Tees /R. L. Balcom l- Morgan, Lewis & Bockius Houston Lighting & Power Co.

l 1800 M. Street, N.W. P. O. Box 1700 l Washington, DC 20036-5869 Houston,TX 77251 L

L W. C. Gunst/M. T. Hardt Central Power and Light Company l City Public Service ATTN: G. E. Vaughn/C. A. Johnson l P. O. Box 1771 P. O. Box 289, Mail Code: N5012 l San Antonio,TX 78296 Wadsworth,TX 77483 l A. Ramirez/C. M. Canady U. S. Nuclear Regulatory Commission City of Austin Attention: Document Control Desk

! Electric Utility Department . Washington, D.C. 20555-0001 l 721 Barton Springs Road -  ;

l Austin, TX 78704 '

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SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION I

UNIT I MONTHLY OPERATING REPORT APRIL 1999 STP NUCLEAR OPERATING COMPANY NRC DOCKET NO. 50-498 LICENSE NO.NPF-76 Reviewed By: I M ///2/99 D.L. COBB Date Approved By: $ ), fg[ff G.L. PARKEY [ [_ IfateI i

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MONTHLY

SUMMARY

, South Texas Project Unit-1 began the reponing period shutdown for refueling and scheduled maintenance.

The unit was returned to service on April 28, at 2357. The reporting period was concluded with the unit

' at 77-percent reactor power with ascension to full power in progress.

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OPERATING DATA REPORT l ..

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DOCKET NO. 50-498 UNIT 1 DATE May 10,1999 l COMPLETED BY R.L. Hill TELEPHONE 512 972-7667 L OPERATING STATUS

1. REPORTING PERIOD: 4/1/99-4/30/99 GROSS HOURS IN REPORTING PERIOD: 719 l 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 64.9 2,106.6 68,902.7

6. REACTOR RESERVE SHUTDOWN HOURS 0 0 0

7. ' HOURS GENERATOR ON LINE 48.1 2,088.1 67,402.6

8. . UNIT RESERVE SHUTDOWN HOURS 0 0 0

' 9. GROSS THERMAL ENERGY GENERATED (MWH) 82,722 7,641,115 250,119,336

10. GROSS ELECTRICAL ENERGY GENERATED (MWH) . 23,229 2 603,869 85,303,121

11. NET ELECTRICAL ENERGY GENERATED (MWH) , 20,636 ~ 2,490,886 .81,263,577

12. ~ REACTOR SERVICE FACTOR 9.0% 73.1 % 73.6 %

13. REACTOR AVAILABILITY FACTOR 9.0% 73.1 % 73.6 % 1

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14. UNIT SERVICE FACTOR 6.7% 72.5 % 72.0 %

15. - UNIT AVAILABILITY FACTOR 6.7% 72.5 % 72.0 %

16. UNIT CAPACITY FACTOR (Using MDC) . 2.3% 69.2 % 69.4 %

17. UNIT CAPACITY FACTOR (Using Design MWe) 2.3% 69.2 % 69.4 %

18. . UNIT FORCED OUTAGE RATE 0.0% 0.0% 17.S%

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 1

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. i AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-498 l . .

UNIT 1 i-DATE May 10,1999 COMPLETED BY R.L. Hill TELEPHONE 512 972-7667

MONTH APRIL DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER

~ LEVEL LEVEL -

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SOUTH TEXAS PROJECT ELECTRIC GENERATING STATION I UNIT 2 MONTHLY OPERATING REPORT  ;

APRIL 1999 i STP NUCLEAR OPEL iTING COMPANY NRC DOCKET NO. 50-499 3

. l LICENSE NO. NPF-80 Reviewed By: M/M S/z/fy D.L. COBB 7 . Date '

Approved By: __ (L)_ >>

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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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l 1-OPERATING DATA REPORT . l

..  :*- DOCENT. 50-499 o -

UNIT 2 DATE May 10,1999 COMPLETED BY R.L. Hill TELEPHONE 512 972-7667 OPERATING STATUS .

1 REPORTING PERIOD: 4/1/99-4/30/99 GROSS HOURS IN REPORTING PERIOD: 719  !

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 ' 719.0 2,860,1 65,861.6

6. ' REACTOR RESERVE SHUTDOWN HOURS 0 g 0

. 7. - HOURS GENERATOR ON LINE *19.0 2,851.9 64,240.0

8. UNIT RESERVE SHUTDOWN HOURS 0 0 0

9. - GROSS THERMAL ENERGY GENERATED (MWH) 2,744,301 10,855,456 238,755,822

10. GROSS ELECTRICAL ENERGY GENERATED (MWH) 938,257 3,717,320 81,309,193'

11. . NET ELECTRICAL ENERGY GENERATED (MWH) 899,726 3,565,391 77,629,480

12. REACTOR SERVICE FACTOR 100.0 % 99.3 % 76.2 %

~ 13. REACTOR AVAILABILITY FAC' LOR 100.0 % 99.3 % 76.2 %

14J UNIT SERVICE FACTOR 100.0 % 99.1 % 74.3 %

.15. UNIT AVAILABILITY FACTOR 100.0 % 99.1 % 74.3 % >

16. UNIT CAPACITY FACTOR (Using MDC) 100.1% 99.0 % 71.8 %

17. UNIT CAPACITY FACTOR (Using Design MWe) !00.1% 99.0 % 71.8%

18. UNIT FORCED OUTAGE RATE 0.0% 0.9% 17.2% -

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

Scheduled 37-day outage to allow refueling and 10-year in service inspection to begin on October 9,1999.

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

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- AVERAGE DAILY UNIT POWER LEVEL DOCKETNO. 50-499

, , UNIT 2 i: DATE May 10,1999 j; COMPLETED BY R.L. Hill TELEPHONE 512 972-7667 MONTH APRIL-- l l

DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER

' LEVEL LEVEL (MWe-Net) (MWe-Net) 1 1256 17 1254 2 1256- 18 1254-  !

3 1256- 19 1249 4 1256 20 1248

! 5 1255 21 1248 I

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8' 1254 24 1247 9 1255 25 1247  !

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