ML20247F359

Monthly Operating Rept for Apr 1998 for Grand Gulf Nuclear Plant,Unit 1

ML20247F359
Person / Time
Site:	Grand Gulf
Issue date:	04/30/1998
From:	Eaton B, Lin S ENTERGY OPERATIONS, INC.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
GNRO-98-00048, GNRO-98-48, NUDOCS 9805190312
Download: ML20247F359 (6)

Text

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Entrrgy o eritions,Inc.

Port Gibson, MS 39150 Tel 601437 2129

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Bill Eaton i Generat Mana jer. Plant Operations Grand Gull Nuclear Staton May 12, 1998 f U.S. Nuclear Regulatory Commission Mail Station P1-137 Washington, D.C. 20555 Attention: Document Control Desk

SUBJECT:

Grand Gulf Nuclear Station Uni' 1 l Docket No. 50-416 l

License No. NPF-29 Monthly Operating Report GNRO-98/00048 Gentlemen:

l In accordance with the requirement of Technical Specification 5.6.4, Entergy Operations is providing the Monthly Operating Report for Grand Gulf Nuclear Station Unit 1 for April 1998.

I If you have any questions or require additionalinformation, please contact this office.

Yours truly, e

WAE/SDUcg '

attachments: 1. Operating Status

2. Average Daily Power Level i

3. Unit Shutdown and Power Reductions cc: (See Next Page)

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9905190312 900430 PDR ADOCK 05000416 R pan

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GNRO-98/00048 Page 2 of 3 -

cc

Mr. D. C. Hintz (w/a)

Mr. N. S. Reynolds (w/a)

Mr.'Jager Smith (w/a)

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

Ms. K. D. Weaver (w/a)

Mr. Ellis W. Mershoff (wla)

Regional Administrator U.S. Nuclear Regulatory Commission Region IV 611 Ryan Plaza Drive Suite 400 Arlington, TX 76011 l

Mr. Jack Donohew, Project Manager Office of Nuclear Reactor Regulation U.S. Nuclear Regulatory Commission Mail Stop 13H3 Washington, D.C. 20555 ,

l

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F GNRO-98/00048 l Page 3'of 3

• bec: Ms. C. W. Gunn (w/a) ,

Mr. R. J. King (RB)(w/a)

Mr. S. D. Lin (w/a)

File (LCTS)/(RPTS)(w/a)

File (NS&RA)(w/a)

File (Central)(w/a)(6)

INPO Records Center (w/a) Mr. D. P. Galle 700 Galleria Parkway 19025 Ruth Drive Atlanta, Georgia 30339-5957 Mokena, IL 60448 Mr. Marcus Ware (w/a)

Manager of Production South Mississippi Electric Power Association P.O. Box 15849 Hattiesburg, MS 39401 Mr. Fred Yost (w/a)

Director Research Services Utility Data Institute 1200 G Street, N.W.

Suite 1100 Washington, D.C. 20005 ccmail: Mr. P. W. Alberstadt (w/a) Mr. R. A. Wilson (w/a)

Mr. S. J. Bethay (w/o) Mr. M. J. Wright (w/a)

Mr. D. G. Bost (w/a) Mr. J. W. Yelverton (ECH) (w/a)

Mr. C. A. Bottemiller (w/a)

Mr. R. N. Bt'ckley (w/a)

Mr. S. A. Burris (w/a)

Mr. L. F. Dale (w/a)

Mr. J. G. Dewease (w/a)

Mr. C. M. Dugger (W3) (w/a)

Mr. J. L. Ensley (ESl) (w/a)

Mr. E. Ewing (W3) (w/a) ,

Mr. J. J. Hagan (w/a) 1 Mr. W. K. Hughey (w/a) l Mr. C. R. Hutchinson (ANO) (w/a) l Mr. D. L. Janacek (w/a)

Mr. T. A. Kriesel (w/a)

Mr. R. V. Moomaw (w/a) )

Mr. R. L. Patterson (w/a)

Mr. J. C. Roberts (w/a)  ;

Mr. C. F. Smith (w/a) l Ms. M. T. Soniat (LP) (w/a) l Mr. G. D. Swords (w/a) i Mr. J. Venable, (w/a)

[ Mr. D. W. Vinci(W3) (w/a)

l .

I

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E l Attachment 1 to GNRO-98/00048 DOCKET NO 50-416 )

DATE 05/04/98 l COMPLETED BY S. D. Lin l TELEPHONE [601) 437-6793 l OPERATING STATUS

1. Unit Name: GGNS UNIT 1

2. Reporting Period: April 1998  ;

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

4. Nameplate Rating (Gross MWe): 1372.5 MWE I

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

6. Maximum Dependable Capacity (Gross MWe): 1250 MWE

7. Maximum Dependable Capacity (Net MWe): 1200 MWE

8. If changes occur in Capacity Ratings (Items 3 J

through 7) Since Last Report. Give Reason: N/A

9. Power Level To Which Restricted, if Any (Net MWe): Thermal power limited to 97%

10. Reasons For Restrictions, if Any: Bias to oet low flow in ~B" FW control viv with sticky poppet at normal position limited to 8%.

This Month Yr to Date Cumulative *

11. Hours in Reporting Period 719 2,879 118,599

12. Number of Hours Reactor was Critical 239.0 2,357.4 99,096.4 l

13. Reactor Reserve Shutdown Hours 0 0 0

14. Hours Generator On-Line 239.0 2,330.6 95,967.5

15. Unit Reserve Shutdown Hours 0 0 0

16. Gross Thermal Energy Generated (MWH) 832,198 8,495,502 344,929,540

17. Gross Electrical Energy Generated (MWH) 278,108 2,869,430 111,388,230 I

18. Net Electrical Energy Generated (MWH) 266,826 2,755,946 106,797,855

19. Unit Service Factor 33.2 81.0 82.6

20. Unit Availability Factor 33.2 81.0 82.6

21. Unit Capacity Factor (Using MDC Net) 30.9 79.8 81.3

22. Unit Capacity Factor (Using DER Net) 29.7 76.6 74.7

23. Unit Forced Outage Rate 0.0 2.9 5.6 i 24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

Refuelino Outaae #9 beoinnino on 04/11/98 @0000 hour for 32 Days

25. If Shut Down At End of Report Period. Estimated Date of Startup: 05/15/98

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

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

• ltems 11 through 18 are cumulative results since initial electricity

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L________._ _ _ _ _ _ _ _ _ _ _ _ _ _

.-l Attachment 2 to GNRO-98/00048 DOCKET NO 50-416 DATE 05/04/98 COMPLETED BY S. D. Lin TELEPHONE (601) 437-6793 MONTH April 1998 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) 1 1212 17 0 2 1209 18 0 3 1192 19 0 4 1209 20 0 5 1209 21 0 6 1201 22 0 7 1192 23 0 8 1179 24 0 9 975 25 0 10 591 26 0 11 8 27 0 12 0 L8 0 13 0 s

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