ML20198B253

Monthly Operating Rept for Nov 1998 for Monticello Nuclear Generating Plant.With

ML20198B253
Person / Time
Site:	Monticello
Issue date:	11/30/1998
From:	Paustian H, Voth M NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9812180121
Download: ML20198B253 (5)

Text

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Northem States Power Company Monticello Nuclear Generating Plant 2807 West Hwy 75 Monticello, Minnesota 55362-9637 l

December 11,1998 US Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555 0

MONTICELLO NUCLEAR GENERATING PLANT Docket No. 50-263 License No. DPR-22 Submittal of Monticello Monthly Operating Report for November,1998 l

In accordance with Monticello Technical Specification 6.7.A.3, the report of operating statistics for the Monticello Nuclear Generating Plant for the Month of November is provided.-

Please contact Marcus H. Voth, Project Manager - Licensing at (612) 271-5116 if you require further information.

Marcus H. Voth Project Manager-Licensing lI Nuclear Energy Engineering Dept.

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Regional Administrator - 111, NRC NRR Project Manager, NRC Sr Resident inspector, NRC State of Minnesota I f Attn: Kris Sanda J Silberg g

Y) 9812180121 981130 F

PDR ADOCK 05000263,

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OPERATING DATA REPORT DOCKET NO.

50-263 i

DATE 12- ~1-98 COMPLSTED BY H. H.

Paustian TELEPHONE 612/295-5151 OPERATING STATUS TNotes j

1. Unit Name Monticello

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2. Reporting period:

November

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3. Licensed Thermal Power (RWt):

1775

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4. 14ameplate Rating (Gross MWe) :

613.0

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5. Desian Electrical Rating (Net MWe):

600.0

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6. Maximum Dependable Capacity (Gross MWeTT 605.1

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7. Maximum Dependable Capacity (Net MWe) :

578.1

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8. If Changes Occur in Capacity Ratings (Items Number 3 Through 7T~Since Last 1

Report, Give Reasons: Monticello was rerated to a new licensed power of l

1775 MWt during October.

Final tested new electrical ratings are shown.~[

j 9.

Power Level To Which Restricted, If Any (Net MWe) :

N/A

10. Reasons For Restrictions, If Any: __N/A l

THIS MONTH YR.-TO-DATE CUMULATIVE i

11. Hours In Reporting Period 720 8016 240361

12. Number Of Hours Reactor Was Critical 720.0 6978.0 197022.1

13. Reactor Reserve Shutdown Hours 0.0 0.0 940.7

14. Hours Generator On-Line 720.0 6917.7 193851.9

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 1271998 11216476 302072081

17. Gross Electrical Energy Generated (MWH) 443928 3837370 102318745 l

18. Net Electrical Energy Generated (tGC3) 429167 3678014 97939071

19. Unit Service Factor 100.0%

86.3%

80.7%

20. Unit Availability Factor 100.0%

86.3%

80.7%

21. Unit Capacity Factor (Using MDC Net) 103.1%

83.8%

75.9%

22. Unit Capacity Factor (Using DER Net) 99.3%

82.3%

74.6%

23. Unit Forced Outage Rate 0.0%

3.0%

4.3%

24. Shutdowns Scheduled Over Next 12 Months (Type, Date, and Duration of Each)

_None

25. If Shut Down At End Of Report Period, Estimated Date Of Startup:

26. Units In Test Status (Prior to Commercial Operation) : N/A Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-263 UNIT Monticello DATE 12-1-98

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COMPLETED BY H. H. Paust.ian TELEPHONE 612/295-5151 MONTH OF November DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1 594.

17

599, 2:

597.

18 599.

3 521.

19 599.

4 595.

20 601.

5 598.

21 596.

'6 597.

22 601.

7 599.

23 597.

8 599.

24 600.

9 604.

25 600.

10 593.

26 600 11 598.

27 600.

12 601.

28 600-.

13 597.

29 599.

14 599.

30 602.

15 599.

16 598.

INSTRUCTIONS On'this format, list the average daily unit power level in MWe-Net for each day in the reporting month.

Compute to the nearest whole megawatt.

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MARRATIVE'

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DOCKET NO.

50-263

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DATE 12

'i-98.

L COMPLETED.BY H. H.

Paustian 1

TELEPHONE 612/295-5151 i'

' GMONTH

. NOV

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$11-01-98'-

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... Power-operation.'

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Power. reduction to 47*s for Recirculation System MG Set T11-03-98 n.-

brush' replacement;

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.11-03-98

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. Power operation.

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Note: Power operation-defined ~as essentially 100% of rated power except for weekend load drops for

,,a specified surveillance testing.

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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 54263

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UNIT NAME Monticcito DATE 12-01-98 COMPLETED BY H. H. Paustian

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REPORT MONTH November TELEPHONE 612-295-5151.

Method l

of

System Comp Cause & Corrective l

Type Duration Reason Shutdown Code Code Action to No.

Date (i)

(hours)

(2)

(3)

LER No.

(4)

(5)

Prevent Recurrence 12 11-3-98 S

0.0 B

4 N/A Power reduction to 47% to perform brush exchange for Recirculation System Motor-Generator set.

I 4

l I

1 2

3 4

F Forced Reason:

Method:

Draft IEEE Standard S

Scheduled A

Equipmcat Failure (Explain) 1 Manual 805-1984 (P805-D5)

B Maintenance or Test 2

Manual Scram C

Refueling 3

Automatic Scram 5

D Regulator Restriction 4

Other(Explain) iEEE Standard 803A-1983 E

Operator Training & Licensing Examination F

Administrative G

Operationa! Error (Explain)

H Other(Explain)

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