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

~

Northem States Power Company Monticello Nuclear Generating Plant l 2807 West Hwy 75 '

Monticello, Minnesota 55362-9637 l

l I

1 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 Nuclear Energy Engineering Dept. lI c: Regional Administrator - 111, NRC NRR Project Manager, NRC Sr Resident inspector, NRC  ;

State of Minnesota Attn: Kris Sanda I f

J Silberg g Y)

! 9812180121 981130 "

ADOCK 05000263 , F PDR R PDR m i-l 1

)

,, OPERATING DATA REPORT DOCKET NO. 50-263 i

. . DATE 12- ~1-98 COMPLSTED BY H. H. Paustian TELEPHONE 612/295-5151 l

OPERATING STATUS TNotes j

1. Unit Name -

Monticello ] ]

2. Reporting period: November ] ]

3. Licensed Thermal Power (RWt): 1775 ] ]

4. 14ameplate Rating (Gross MWe) :

613.0 ] ] l

5. Desian Electrical Rating (Net MWe): 600.0 ] ]

6. Maximum Dependable Capacity (Gross MWeTT 605.1 ] ] <

7. Maximum Dependable Capacity (Net MWe) : 578.1 ] ] l

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 l

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 l

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% i

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 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.

, . ., _ . . . _ . . _ . . _ - , . . . . . . . ~ _ . _ . , _ . . . . . , _ . . _ - . _ . _ _ , _ . . _ . . . - . , ~ . . . . . . . . . . _ . .

-/, 4 i I I j '. 1 y ,

vn . '.- >

c .

MARRATIVE'

SUMMARY

OF' OPERATING EXPERIENCE v: ;;.8

~

',-(;: $ % , , q v, 1  :; ) , ,

i

- s

' DOCKET NO. 50-263

' DATE 12 'i-98.

COMPLETED.BY H. H. Paustian L ,

TELEPHONE 612/295-5151 1 ,

i' ,l T

' GMONTH . NOV r,:.

$11-01-98'- '

c "9_" .to. .. . Power-operation.'

r11-03 ,.

T11-03-98 Power. reduction to 47*s for Recirculation System MG Set n .- .q. brush' replacement;

~

.11-03-98 ~

q~ .- . to . Power operation.

?11-30 ,

. f- f.

1

>1 U t_ '

t T , Note: Power operation-defined ~as essentially 100% of a '

rated power except for weekend load drops for specified surveillance testing.  ;

)

-, .j i

(:

i

) 'iy l

[

o p.

.. u ~. - . . - . _. _

. . . - . .- .~ - - - .

UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 54263 \

UNIT NAME Monticcito -

DATE 12-01-98 ~

COMPLETED BY H. H. Paustian 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)

_ _ _ _ - _ _ _ _ _ - _ - _ _ _ _ - _ _ _ _ _ _ _ _ _ _ - _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _