ML20133G444

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Monthly Operating Rept for May 1985
ML20133G444
Person / Time
Site: Monticello Xcel Energy icon.png
Issue date: 05/31/1985
From: Musolf D, Myrabo A
NORTHERN STATES POWER CO.
To:
NRC OFFICE OF RESOURCE MANAGEMENT (ORM)
References
NUDOCS 8508080684
Download: ML20133G444 (5)


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OPERATING DATA REPORT i

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'I DOCKET NO.

50-263______

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DATE 6-4-85____

9Ls COMPLETED BY A. L. Myrabo i

[rj TELEPHONE 612/295-5151 y

OPERATING STATUS i

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1. Unit Name : ________________________Monticello l

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2.' Reporting period:

___________________MAY l

l 3.1 Licensed Thermal Power (MWt): ____________1670 l

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o4. Nameplate Rating (Gross MWe): _____________569 l

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

___________________________________________________n____________________

9. Power Level To Which Restricted, If Any (Net MWe): ___N/A___________________
10. Reasons For Restrictions, If Any: __N/A_____________________________________

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L This Month Yr.-to-Date Cumulative

11. Hours In Reporting Period

_____744

_____3623

____122016 1

12. Number Of Hours Reactor Was Critical

___620.8

___3065.9

__ 92981.3

13. Reactor Reserve Shutdown Hours

_____0.0

______0.0

_____940.7

14. Hours Generator On-Line

___594.5

___2970.1

__ 90973.1 L

15.' Unit Reserve Shutdown Hours

_____0.0

______0.0

_______0.0

16. Gross Thermal Energy Generated (MWH)

_ 944074

_ 4768994

_146002808

17. Gross Electrical Energy Generated (MWH) __321915

__1633708

___46818761

18. Net Electrical Energy Generated (MWH)

__309161

__1570618

__44745501

19. Unit Service Factor

__ 79.9%

___ 82.0%

____ 74.6%

20. Unit AvailablLity Factor

._ 79.9%

___ 82.0%

____ 74.6%

21. Unit Capacity Factor (Using MDC Net)

__ 77.5%

___ 80.9%

____ 68.4%

22. Unit Capacity Factor (Using DER Net)

__ 76.2%

___ 79.5%

____ 67.2%

23. Unit Forced Outage Rate 0.8%

0.7%

5.1%

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

1 8500080684 e50531 PDR ADOCK 05000263

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PDR 1

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-263______

UNIT Monticel.Lo__

DATE 6-4-85____

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) 1

__________547____________

17

__________552_____'_______

2

__________549____________

18

__________551____________

3

__________140____________

19

__________531____________

4

__________ -3 ___________

20

__________551____________

5

-3____________

21

__________550____________

6

-2____________

22

__________551____________

7

_____2____ -2____________

23

__________549____________

8

__________ -4 ___________

24

__________549____________

9 32____________

25

__________550____________

10

__________419____________

26

__________547____________

11

__________538____________

27

__________550____________

12

.__________550____________

28.

__________548 13

__________550____________

29

__________546____________

14

__________501____________

30

__________548____________

15

__________316____________

31

__________549____________

16

__________537____________

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.

NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE DOCKET'NO.

50-263______

DATE 6-4-85____

COMPLETED BY A. L. Myrabo TELEPHONE 612/295-5151 MONTH ______MAY 5-1-85

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to Power Operation.

5-2-85 5-3-85 to Plant shutdown for turbine and control rod drive maintenance.

5-8-85 5-9-85 to Power operation.

5-14-85 5-15-85 Generator off-line for fleLd ground investigation.

5-16-85 to Power operation.

5-31-85 SPENT FUEL STORAGE UPDATE Fuel assemblies in core 484 Fuel assemb Lies in spent fuel storage pool 772 Licensed capacity 2237

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Date of Last refueling that can be 1997 discharge with present capacity Note: Power operation defined as essentially 100% of rated power except for weekend load drops for specified survelLLance testing.

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50-263' DOCKET NO.

UNIT SilUTDOWNS AND POWER REDUCTIONS UNIT NAME Monticello DATE 6-4-R9 COMPLETED BY A. L. Myrabo REPORT MONTH MAY TELEPHONE 617/745-5191 No.

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Cause & Corrective 3g 4

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5-3-85 S

144.7 B

1 N/A IIA 11RBIN Plant shutdown to nerfom turbine and control rod drive maintenance 7

5-15-85 F

4.8 B

1 N/A Ih

'IURRIN Generator taken off-line to inves-tigate generator field ground.

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4 F: Forced Renon; Method:

Exhibit G-Instructions S: Scheduled A Equipment FailuretExplain) 1-Manual for Preparation of Data B Maintenance of Test 2-Manual Scram.

Entry Sheets for Licensee C-Refueling 3-Automatic Scram.

Event Report (LER) File (NUREG-D-Regulatory Restriction 4-08her (Explain) 0161)

E-Operator Training i License Examirution 5

F-Administrative G-Operational Error (Explaint Exhibit I Same Source 19!77)

Il-Other (Explain)

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Northern States Power Company 414 Nicollet Hall Minneapoks. annesota $5401 Telephone (612) 330 5500 June 10, 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 May, 1985 Attached are twelve copies of the Monthly Operating Report for May, 1985 for the Monticello Nuclear Generating Plant.

D J M-.

David Musolf Manager of Nuclear Suppor Services DMM/jlk cc: Regional Administrator-III, NRC NRR Project Manager, NRC NRC Resident Inspector f

gi$O pf MPCA Attn: J W Ferman

.,gy.D Attachment SOO 76 N

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