ML20136G837

Monthly Operating Rept for Oct 1985

ML20136G837
Person / Time
Site:	Monticello
Issue date:	10/31/1985
From:	Musolf D, Myrabo A NORTHERN STATES POWER CO.
To:	NRC OFFICE OF RESOURCE MANAGEMENT (ORM)
References
NUDOCS 8601080598
Download: ML20136G837 (5)

Text

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NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE I

DOCKET NO.

50-263______

DATE 11-6-85____

COMPLETED BY A. L. Myrabo TELEPHONE 612/295-5151 l

MONTH ______COTOBER l

10- 1-85 F

to Power operation.

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i 10-11-85 i

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10-12-85 Unit shutdown to replace safety relief valve topworks and miscellaneous maintenance.

i 10-13-85 to Power operation.

i 10-25-85 j

10-26-85 Reduced power to 30% to clean main condensers.

10-27-85

{

to Power operation.

10-31-05 j

l SPENT FUEL STORAGE UPDATE i

Fuel assemblies in core 484 l

Fuel assemblies in spent fuel storage pool 448 i

Licensed capacity 2237 Date of last refueling that can be 2000 i

discharge with present capacity i

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Notet Power coeration defined as essentially 100% of rated power except for weekend load drops for i

specified surveillance testing.

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AVERAGE DAILY UNIT POWER LEVEL

\\

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'4 DOCKET NO.

50-263______

UNIT MonticelLo__

DATE 11-6-85____

COMPLETED BY A. L. Myrabo TELEPHONE 612/295-5151 MONTH ______0CTOBER DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1

__________550______f,____

17

__________550____________

2

__________550____________

18

__________545.___________

l l

3

__________552____________

19

__________547____________

__________55,____________

o_ca 53,____________

4 5

__________551____________

21

__________547____________

6

__________459 22

__________547____________

7 549____________

23

__________548____________

8

__________550____________

24

__________550____________

9

__________551.___________

m.5

__________55.,____________

50

__________548 26

__________29$____________

11

__________547____________

27.

__________523____________

12

__________110____________

28

__________550____________

13

__________ -i____________

29

__________553____________

14

__________353.___________

30

__________552 1

15

__________537____________

31

__________551____________

16

__________548.___________

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INSTRUCTIONS l

On this format, list the average daily unit power level in MWe-Net for each j

day in t.he, reporting month.

Compute to the nearest whole megawatt.

~~7, d,he,CPERATING. DATA REPORT N

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Sd DOCKET NO.

50-263______

Dj M

MC" I 155

-I DATE 11-6-85____

's COMPLETED BY A. L. Myrabo TELEPHONE 612/295-5151

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OPERATING STATUS INotes l

________________________MonticeLLo l

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1. Unit Name :

2. Reporting period:

___________________0CTOBER I

1

3. Licensed Ther mal Power (MWt):

____________1670 l

l

4. Nameplate Rating (Gross MWe): _____________569 I

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5. Design Electrical Rating (Net MWe):

_____545.4 l

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6. Maximum Dependable Capacity (Gross MWe): __564 l

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7. Maximum Dependable Capacity (Net MWe): ____536 l__________________________I

8. If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report, Give Reasons: __________________________________________________

9. Power Level To Which Restricted, If Any (Net MWe): ___N/A___________________

10. Reasons For Restrictions, If Any: __N/A_____________________________________

_______________________________________________________________e________

This Month Yr.-to_Date Cumulative

11. Hours In Reporting Period

_____745

_____7296

____125689

12. Number Of Hours Reactor Was Critical

___725.9

___6699.0

__ 96785.2

13. Reactor Reserve Shutdown Hours

_____0.0

______0.0

_____940.7

14. Hours Generator On-Line

___715.3

___6566'.6

__ 94553.3

15. Unit Reserve Shutdown Hours

_____0.0

______0.0

_______0.0

16. Gross Thermal Energy Generated (MWH)

_1128941

_10635585

_143830131

17. Gross Electrical Energy Generated (MWH) __385682

__3634805

__48819858

18. Net Electrical Energy Generated (MWH)

__370612

__3486767

__46671820

19. Unit Service Factor

__ 96.0%

___ 90.0%

____ 75.2%

20. Unit Availability Factor

__ 96.0%

___ 90.0%

____ 75.2%

21. Unit Capacity Factor (Using MDC Net)

__ 92.8%

___ 89.2%

____ 69.3%

22. Unit Capacity Factor (Using DER Net)

__ 91.2%

___ 87.6%

____ 68.1%

23. Unit Forced Outage Rate 0.0%

0.7%

5.0%

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

__May 1, 1986 - 1986 refueling outage - 54 days _________________________

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

26. Uni ts In Test Status (Prior to Commercia L Operat ion): N/A Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION l

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12 10-12-85 S

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1 N/A SB RV Unit shutdown to replace safety rellef valve topworks and miscel-laneous maintenance.

13 10-26-85; S

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1 N/A SG TBG Reduced power to 30% to clean main condenser tubes.

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Northern States Power Company 414 Nicoi;et Ma!!

Minneapons Mirresota 55401 Teepnone 1612) 330-5500 November 11, 1985 Director, Office of Resource Management U S Nuclear Regulatory Commission Washington, DC 20555 MONTICELLO NUCLEAR GENERATING PLANT Docket No. 50-263 License No. DPR-22 Monthly Operating Report October, 1985 Attached are twelve copies of the Monthly Operating Report for October, 1985 for the Monticelle Nuclear Generating Plant.

v.

David Musolf Manager of Nuclear Sup. rt Services DMM/MMV/le cc: Regional Administrator-III, NRC NRR Proj ect Manager, NRC NRC Resident Inspector MPCA ORIG 13g At tr.: J W Ferman gyED

,g Attachment s

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