ML20076H698

Monthly Operating Rept for May 1983

ML20076H698
Person / Time
Site:	Monticello
Issue date:	06/02/1983
From:	Musolf D, Myrabo A NORTHERN STATES POWER CO.
To:	NRC OFFICE OF RESOURCE MANAGEMENT (ORM)
References
NUDOCS 8306200105
Download: ML20076H698 (5)

Text

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NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE DOCKET NO.

S'0-263______

DATE 6-2-83____

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

.)

M' NTH ______MAY O

5-i-83 to Power operation.

5-4-83 1

5-5-83 to Reduced power to 60 % to repair feedwater pump motor bearing.

5-9-83 5-10-83 to Power operation.

5-18-83 5-19-83 Reactor subcriticaL, generator off-Line.

Orderly shutdown to to repair minor steam Leaks and miscellaneous maintenance.

5-23-83 5-24-83 to Power operation.

5-31-83 r

i Note: Power operation defined as essentially 100% of rated power except for weekend load drops for specified surveillance testing.

The unit Load-fotLowed 7 times this month.

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f 8306200105 830o02 PDRADOCK05000g a

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-263______

UNIT Monticello__

DATE 6-2-83____

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

(MWe-Net) i

__________529____________

17

__________538____________

2

__________539____________

18

__________541____________

3

__________537____________

19

__________382____________

4

__________537____________

20

-8____________

5

__________432____________

21

-4____________

6

__________332____________

22

-4____________

7 332____________

23

__________ -i____________

8

__________411____________

24

______.,___340____________

9

__________528____________

25

__________504____________

l 1

10

__________537____________

26

__________538____________

l 11

__________539____________

27

_________.541____________

12

______..___537____________

28

__________529____________

1 13

__________539____________

29

__________495____________

r 14

__________538____________

30

__________475____________

15

__________526____________

31

__________510____________

16

_________.529____________

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.

r JUN E BE' OPERATING DATA REPORT

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DOCKET NO.

50-263______

DATE 6-2-83____

COMPLETED BY A. L.

Myrabo TELEPHONE 612/295-5151 OPERATING STATUS INotes l

1. Unit Name

________________________Monticetto 1

l

2. Reporting period:

___________________MAY l

1

3. Licensed Thermal Power (MWt):

____________1670 l

l i

4. Nameplate Rating (Gross MWe):

_____________569 l

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5. Design Electrical Rating (Not MWe)

_____545.4 l

l

6. Maximum Dependabte Capacity (Gross MWe): __553 l

l 7.

Maximurn Dependable Capacity (Net MWe)-

____525 l__________________________I 8.

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

__N/A_____________________________________________

9.

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

___N/A___________________

10. Reasons For Restrictions, If Any:

__N/A_____________________________________

This Month Yr.-to-Date Cumulative

11. Hours in Reporting Period

_____744

_____3623

____104472

12. Number Of Hours Reactor Was Critical

___657.6

___3346.6

__ 83980.0

13. Reactor Reserve Shutdown Hours

_____O.0

______0.0

_ _ _ _ _9 4 0. 7 -

14. Hours Generator On-Line

___647.0

___3319.9

__ 82075.1

15. Unit Reserve Shutdown Hours

_____0.0

______0.0

_______0.0

16. Gross Thermal Energy Generated (MWH)

_ 991718

_ 5379687

_132739927

17. Gross Electrical Energy Generated (MWH) __332015

__1805790

__42361683

18. Net Electrical Energy Generated (MWH)

__318871

__1736616

__40500655 l

19. Unit Service Factor

__ 87.0%

___ 91.6%

____ 78.6%

20. Unit Availability Factor

__ 87.0%

___ 91.6%

____ 78.6%

21. Unit Capacity Factor (Using MDC Net)

__ 81.6%

___ 91.3%

____ 73.8%

22. Unit Capa'ity Factor (Using DER Net)

__ 80.2%

___ 89.7%

____ 72.6%

c

23. Unit Forced Outage Rate O.0%

0.0%

5.6%

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

__ February 15, 1984 - Refueling Outage - 160 days _______________________

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

'2 6. Units In Test Status (P-ior to Cordmerc i a l Operation)

N/A Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

l UNIT SilUIDOWNS AND POWER REDUCTIONS DOCKET NO.

50-263 UNIT N AME Monticello DATE 6-6-83 MAY COMPLETED BY A. L. Mvrabo REPOR T MONTil TELEPHONE 612/295-5151 4

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j di j Report b

5' Present Recurrence 6

1 3

5-6-83 F

0. 0 A

4 N/A Of PLNPXX-B Reduced power to repair / replace feed-water ptmp motor bearings.

4 5-19-83 S

97.0 B

1 83-11 01 IffEXOI-XX Orderly shutdown to repair steam l

1eak in moisture seperator to j

feedwater heater drain line and miscellaneous maintenance.

l 2

3 4

I" iorced Rea uen.

Method:

Erinbit G - Instructions S Scheduled A.[quipment Failure (Explaml I4tanual for Preparatum uf Dara '

B. Maintenance of Test 241anual Scram.

Entry Sheets for Licensee C. Refueling 3-Autonutie Ssram.

Esent Repint (LERI file (NURtG-D. Regulator) Restriction 4-Other ( E xplain) 0161i E-Operator Teainmg & License Esamination F-Adnunistrati.e 5

G Operational Esror (Explanal E slebii 1 - Same Source p1/77) i t.Ot her ( E xplami 1

1

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Northem States Power Company 414 Nicollet Mad Minneapoks, Minnesota 55401 Telephone (612) 330 5500 June 10, 1983 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 May, 1983 Attached are twelve copies of the Monthly Operating Report for May, 1983 for the Monticello Nuclear Generating Plant.

bd3 w.

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David Musolf Manager of Nuclear Sup t Services i

DMM/j s cc: Regional Administrator-III, NRC NRR Project Manager, NRC NRC Resident Inspector MPCA Attn: J W Ferman Attachment s t i

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