ML20153B216

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

ML20153B216
Person / Time
Site:	Grand Gulf
Issue date:	08/31/1998
From:	Lin S, Venable J ENTERGY OPERATIONS, INC.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
GNRO-98-00076, GNRO-98-76, NUDOCS 9809230016
Download: ML20153B216 (4)

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• '5g Entzr Op$ rations, Inc.

Port Gibson. MS 39150 Tel (;01437 2129 Joseph E. Venabis 1

Spetember 1E, 1998 ff?"si"ig;jfff'**"'

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

Document Control Desk

SUBJECT:

Grand Gulf Nuclear Station Unit 1 Docket No. 50-416 License No. NPF-29 Monthly Operating Report GNRO-98/00076 Gentlemen-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 August 1998.

If you have any questions or require additional information, please contact this office.

Yours truly, JEV/SDUcg attachments: 1.

Operating Status

}

2.

Average Daily Power Level l

3.

Unit Shutdown and Power Reductions cc:

(See Next Page)

/y> k 9809230016 900831 PDR ADOCK 05000416 R

PDR, L;

,, to GNRO-98/00076 DOCKET NO 50-416 DATE 09/14/98 COMPLETED 8Y S. D. Lin TELEPHONE (601) 437-6793 j

OPERATING STATUS 1.

Unit Name: GGNS UNIT 1 2.

Reporting Period: Auoust 1998 3.-

Licensed Thermal Power (MWt): 3833 MWT 4.

Nameplate Rating (Gross MWe): 1372.5 MWE S.

Design Electrical Rating (Not MWe): 1250 MWE 6.

Maximum Dependable Capacity (Gross MWe): 1254 MWE 7.

Maximum Dependable Capacity (Net MWe):

1204 MWE (Effective 06/01/98) 8.

If changes occur in Capacity Ratings (items 3 through 7) Since Last Report. Give Reason: LP-B Turbine uporade durina RFO #9 9.

Power Level To Which Restricted, If Any (Not Mwe):

N/A

10. Reasons For Restrictions, if Any:

N/A This Month Yr to Date Cumulative *

11. Hours in Reporting Period 744 5.831 121,551

12. Number of Hours Reactor v.es Critical 744.0 4,855.5 101,594.5

13. Reactor Reserve Shutdown Hours 0

0 0

14. Hours Generator On-Line 744.0 4,751.6 98,388.5

15. Unit Reserve Shutdown Hours 0

0 0

16. Gross Thermal Energy Generated (MWH) 2,846,351 17,579,602 353,989,897

17. Gross Electrical Energy Generated (MWH) 949,555 5,874,822 114,393,622

18. Not Electrical Energy Generated (MWH) 912,785 5,643,619 109,685,528 1

19. Unit Service Factor 100.0 81.5 82.6

20. Unit Availability Factor 100.0 81.5 82.6

21. Unit Capacity Factor (Using MDC Net) 101.9 80.6 81.3

22. Unit Capacity Factor (Using DER Net) 97.7 77.4 74.7

23. Unit Forced Outage Rate O.

4.3 5.6

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):

Forecast Achieved INITIAL CRITICALITY 98/18/82 INITIAL ELECTRICITY 10/20/84 COMMERCIAL OPERATION 07/01/85

• Items 11 through 18 are cumulative results since initial electricity

... to GNRO-98/00076 DOCKET NO 50-416 DATE 09/14/98 COMPLETED BY S. D. Lin TELEPHONE (601) 437-6793 MONTH Auaust 1998 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1 1209 17 1228 2

1224 18 1226 3

1232 19 1226 4

1233 20 1228 5

1232 21 1229 6

1232 22 1234 7

1235 23 1229 8

1231 24 1227 9

1228 25 1225

~10 1227 26 1223

'11 1227 27 1224 12 1231 28 1227 13 1235 29 1202 14 1233 30 1329 i

15 1208 31 1228 16 1232

! to GNRO-98/00076 UNrr SHUTDOWNS AND POWER REDUCTIONS DOCKET NO.

50-416 UNIT NAME GGNS Unit 1 DATE 09/14/98 COMPLETED BY S. D. Un TELEPHONE (601)437-6793 REPORT MONTH August 1993 No.

Date Type (1)

Duration Reason Method Of Licensee Event System Code Component Cause & Corrective Action To Prmet Hours (2)

Shuttmg Down Report #

(4)

Code (5)

Recurrence (C&CA)

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-Ewyw 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 Tramme &

5-Reduced load T_iewmeine hammation 6-Other F-Administrative G-Operational Error (Explain)

H-Other (Explain) i b

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