ML20206R950

Monthly Operating Rept for Dec 1998 for Grand Gulf Nuclear Station,Unit 1.With

ML20206R950
Person / Time
Site:	Grand Gulf
Issue date:	12/31/1998
From:	Lin S, Venable J ENTERGY OPERATIONS, INC.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
GNRO-99-00003, GNRO-99-3, NUDOCS 9901270006
Download: ML20206R950 (5)

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..w' EntIrgy Operstions, Inc.

h P. O. Box 756 Port Gibson. MS 39150 Toi 601437 2129

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Joseph E. Venable Ge< mal Manager Plant Operabors Grand Gulf Nuclear Stapon January 14, 1999 i

U.S. Nuclear Regulatory Commission Mail Station P1-137 Washington, D.C. 20555 l l

Attention: Document Control Desk

SUBJECT:

Grand Gulf Nuclear Station ,

Unit 1 I Docket No. 50-416 l License No. NPF-29 l Monthly Operating Report l GNRO-99/00003 Gentlemen:

In accordance with the requirement of Technical Specification 5.6.4, Entergy Operations is l providing the Monthly Operating Report for Grand Gulf Nuclear Station Unit 1 for December 1998. I If you have any questions or require additional information, please contact this office.

7 Yours truly, /

e JEV/SDUcg attachments: 1. Operating Status

2. Average Daily Power Level

3. Unit Shutdown and Power Reductions ,

cc: (See Next Page)

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4 9901270006 981231 I PDR ADOCK 05000416 R PML i

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j GNRO-99/00003 '

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1 cc: Mr. N. S. Reynolds (w/a) l Mr. Jager Smith (w/a)  :

Mr. H. L. Thomas (w/o)

Ms. K. D. Weaver (w/a) :i Mr. J. W. Yelverton (w/a)

Mr. Ellis W. Mershoff (w/a) -

Regional Administrator-

- U.S. Nuclear Regulatory Commission -

Region IV 611 Ryan Plaza Drive Suite 400 ,

Arlington, TX 76011 Mr. Jack Donohew, Project Manager i Office of Nuclear Reactor Regulation ,

U.S. Nuclear Regulatory Commission ,

Mail Stop 13H3  :

Washington, D.C. 20555 i 6

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Attachment 2 to GNRO-99/00003 DOCKET NO 50-416 ,

DATE O1/08/99 COMPLETED BY S. D. Lin l TELEPHONE (601) 437-6793 MONTH: D-:- -s 1998 .,

1-l-

DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL '

(MWe-Net) (MWe-Net)

. I 1262 17 1280

-2 1260 'I8 1277 l

3 1257 19 1250 4 1250 20 1258 5 1230 21 1251 6 1247 22 1287 7 1248 23 1289 8 1268 24 1289 9 1266 25 1290 10 1277 26 1288 11 1276 27 1277 12 1277 28 1277 13 1279 29 1279 14 1279 30 1285 15- 1222 31 1280 16 1280

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Attachment I to GNRO-99/00003 l DOCKET NO $0-416 DATE 01/08/99 COMPLETED BY S. D. Lin TELEPHONE (601) 437-6793 OPERATING STATUS

1. Unit Name: GGNS UNIT 1

2. Reportag Period: December 1998 '

3. Licensed Thermal Power (MWt): 3833 MWT I

4. Nameplate Rating (Gross MWe): 1372.5 MWE

5. - Design Electrical Rating (Net MWe): 1250 MWE

6. Maximum Dependable Capacity (Gross MWe): 1254 MWE

7. . Maximum Dependable Capacity (Net MWe): 1204 MWE

8. If changes occur in Capacity Ratings (Items 3 through 7) Since Last Report. - Give Reason:_

9. Power level To Which Restricted, if Any (Net MWe): N/A

10. Reasons For Restrictions, if Any: N/A This Month Yr to Date Cumulative *

11. Hours in Reporting Period 744 8,760 124,480

12. Number of Hours Reactor was Critical 744.0 7,784.5 104,523.5

13. Reactor Reserve Shutdown Hours 0 0 0

14. Hours Generator On-Line 744.0 7,642.3 101,279.2

15. Unit Reserve Shutdown Hours 0 0 0

16. Gross Thermal Energy Generated (MWH) 2,848,049 28,439,272 364,849,567

17. Gross Electrical Energy Generated (MWH) 981,848 9,562,322 118,081.122 18.' Net Electrical Energy Generated (MWH) 945,584 9,190.811 113.232,720

19. Unit Service Factor ' 100.0 87.2 83.0

20. Unit Availability Factor 100.0 87.2 83.0

21. Unit Capacity Factor (Using MDC Net) 105.6 87.3 81.8

22. Unit Capacity Factor (Using DER Net) 101.7 83.9 75.3

23. Unit Forced Outage Rate 0. 3.2 5.5

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each): None

25. . If Shut Down At End of Report Period. Estimated Date of Startup: N/A

26. - Units in Test Status (Prior to Commercial Operation):

l Forecast Achieved INITIAL CRITICALITY 08/18/82 INITIAL ELECTRICITY 10/20/84 l COMMERCIAL OPERATION 07/01/85 l

• Items 11 thwgh 18 are cumulative results since initial electricity i'

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Attaciuneet 3 to GNRO-99.00003 UNIT SHUTDOWNS AND POWER REDUCTIONS REPORT MONYH D C L.1998 No. Date ' Type (1) Duration Reason Method Of Licensee Event System Code Component Cause & Corrective Action To Prevent Hours (2) Shutting Down Report # (4) Code (5) Recumace (CACA)

Reactor (3)

None 1 2 3 4 5 F: Forced Reason: Method: Exhibit G - Instructions for Preparation of Exhibit 1 - Same Source S: Scheduled A-Equipment Failure (Explain) 1-Manual Data Entry Sheets for Licensee Event

. B-Maintenance or Test 2-Manual Scram Report (LER) File (NUREG-0161)

C-Refueling 3-Automatic Scram D-Regulatory Restriction 4-Continued E-Operator Training & 5-Reduced load Licensing Examination 6-Other F-Administrative G-Operational Error (Explain)

H-Other (Explain)

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