ML20234C874

Monthly Operating Rept for Aug 1987

ML20234C874
Person / Time
Site:	Monticello
Issue date:	08/31/1987
From:	Musolf D, Myrabo A NORTHERN STATES POWER CO.
To:	NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
NUDOCS 8709210444
Download: ML20234C874 (5)

Text

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OPERATING DATA REPORT DOCKET NO.

50-263 DATE 9-8-87 COMPLETED BY A.

L.

Myrabo l

TELEPHONE 612/295-5151 OPERATING STATUS

! Notes.

I

1. Unit Name :

Monticello

2. Reporting period:

AUGUST

3. Licensed Thermal Power (MWt):

1670 1

1

4. Nameplate Rating (Gross MWe):

569

5. Design Electrical Rating (Net MWe):

545.4 1

6. Maximum Dependable Capacity (Gross MWe):

564 1

i 7'

Maximum Dependable Capacity (Net MWe):

__536 l

8.

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

1 l

9.

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

N/A

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

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l This Month Yr.-to-Date Cumulative

11. Hours In Reporting Period 744 5831 141744 l 12. Number Of Hours Reactor Was Critical 744.0 5596.9-

~~110831.0

) 13. Reactor Reserve Shutdown Hours 0.0 0.0 940.7'

14. Hours Generator On-Line 744.0 5528.1' 108472.5

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

~~

16. Gross Thermal Energy Generated (MWH) 1117368 8877821 165520173

17. Gross Electrical Energy Generated (MWH) 372829 2990877 56169489

18. Net Electrical Energy Generated (MWH)

~~353024

- 2861025

~~53708414 l

19. Unit Service Factor

- 100.0%

94.8%

~~

76.5%

i 20. Unit Availability Factor

~~100.0%

~~~ 94.8%

76.5%

21. Unit Capacity Factor (Using MDC Net)

-- 89.5%

91.7%

70.7%

22. Unit Capacity Factor (Using DER Net)

~~ 88.0%

90.1%

69.5%

22. Unit Forced Outage Rate 0.0%

1.9%

4.5%

' 24. Shutdowns Scheduled Over Next 12 Months TType, Date, and Duration of Each)

__1987 refueling outage - October 21, 1987 - 42 days 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 1

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AVERAGE DAILY UNIT. POWER LEVEL DOCKET NO.

50-263 UNIT Monticello--

DATE 9-8-87 COMPLETED BY A.

L.

Myrabo TELEPHONE 612/295-5151 MONTH AUGUST

' DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net)-

1 491 17 339 2

445 18 498 1

3 500 19 484 4

495 20 473 l

5 494 21 470 l

6 495 22 474 7

492 23 474 8

492 24 47'S 9

490 25 470 j

10 488 26 468 I

11 488 27 470 12 471 28 460 l

13 492 29 458 l

14 487 30 440 15 485 31 465 16 484 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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v NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE I

DOCKET NO.

50-263 DATE 9-8-87 COMPLETED BY A.

L.

Myrabo TELEPHONE 612/295-5151 l

1 MONTH AUGUST 8 87 to Power operation.

8 87 8 87 Reactor power reduced to replace recirculation MG set bru~shes.

l 8 87 to Power operation.

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8 87 i

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I Note: Unit commenced end-of-cycle coastdown 7-16-87.

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

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'l Northern States Power Company i

414 Nicoht Matt l

Minneapolis, Minnesota 55401

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Telephone (612) 330-5500 September 14, 1987 Monticello Technical Specifications Section 6.7.A.3 l

US Nuclear Regulatory Commission i

i Attn:l Document" Control Deski Washington, DC 20555 j

MONTICELLO NUCLEAR GENERATING PLANT Docket No. 50-263 License No. DPR-22 i

Monthly Operating Report

]

August, 1987 1

Attached is the Monthly Operating Report for August, 1987 for the Monticello Nuclear Generating Plant.

Q J k -*

David Musolf Manager of Nuclear Support Services DMM/mk1 c: Director, Office of Resource Management Regional Administrator-III, NRC NRR Project Manager, NRC NRC Resident Inspector MPCA Attn: J W Ferman Attachment g

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