ML20235H383

Monthly Operating Rept for June 1987

ML20235H383
Person / Time
Site:	Monticello
Issue date:	06/30/1987
From:	Musolf D, Myrabo A NORTHERN STATES POWER CO.
To:	NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
NUDOCS 8707150120
Download: ML20235H383 (5)

Text

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OPERATING DATA REPORT 4.

3 DOCKET NO.

50-263 l

DATE 7-2-87 l

COMPLETED BY A.

L.

Myrabo TELEPHONE 612/295-5151

' OPERATING STATUS

! Notes Monticello

1. Unit Name :

JUNE

2. Reporting period:

3. Licensed Thermal Power (MWt):

1670 1

569 1

4. Nameplate Rating (Gross MWe):

5. Design Electrical Rating (Net MWe):

545.4 1

1

6. Maximum Dependable Capacity (Gross MWe):

564 1

t

7. Maximum Dependable Capacity (Net MWe):

536

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 This Month Yr.-to-Date cumulative 720 4343 140256

11. Hours In Reporting Period 12, Number Of Hours Reactor Was Critical 684.1 4119.2 109353.3 j

~~

0.0 0.0 940.7

13. Reactor Reserve Shutdown Hours

14. Hours Generator On-Line 674.2 4055.1 106999.5 0.0 0.0 0.0

15. Unit Reserve Shutdown Hours

16. Gross Thermal Energy Generated (MWH) 1077173 6585255 163227607

17. Gross Electrical Energy Generated (MWH) - 360415 2225993 55404605

18. Net Electrical Energy Generated (MWH)

~~342510

- 2135456

~~52982845

~~

93.6%

~~

93.4%

76.3%

19. Unit Service Factor 93.6%

93.4%

76.3%

20. Unit Availability Factor

21. Unit Capacity Factor (Using MDC Net)

~~ 88.8%

91.7%

70.5%

22. Unit Capacity Factor (Using DER Net) 87.2%

90.2%

~ 69.3%

0.0%

2.2%

4.6%

~~

22. Unit Forced Outage Rate

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

__1987 refueling outage - October 21, 1987 - 42 days

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 8707150120 G70630 PDR ADOCK 05000263 R

PDR N

1k 6

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.Q, : < *., ;

i AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-263 UNIT' Monticello-DATE 7-2-87 COMPLETED B'l

.A.

L.

Myrabo TELEPHONE-612/295-5151

. MONTH-

' JUNE DAY AVERAGE DAILY POWER LEVEL DAY

. AVERAGE DAILY POWER LEVEL' (MWe-Net)

(MWe-Net)'

1 534 17 532 2

'537 18 531 3

536' 19 530 4-538 20 452 5

537 21 531 6

537 22 523-7-

464 23 529-I 8

363 24

~532 9

534 25

'531 10 536 26 487 111 537 27 12 12' 532 28

-6 l

13 510 29 335 14 484 30 527 15 533 31 16 514 1

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.

-,! A F '.-

- NARRATIVE

SUMMARY

OF~ OPERATING. EXPERIENCE-DOCKET NO.

50-263 DATE 7-2-87 COMPLETED BY-A..L.

Myrabo TELEPHONE 612/295-5151-

' MONTH)

. JUNE I

6L

'l '

.. to,

Power' operation.

6 87. '

61-8-87 Commenced reactor shutdown after loss of essential bus -

terminated'after repair.

6

'9-87

- to Power operati'on.

l 6 87 6 87 Plant shutdown to inspect drywell fan motor and repair drywell N2 leak.

6 87 to.

Power operation.

6 87 Note: Power operation defined as essentially 100% of rated power except for weekend load drops for specified surveillance testing.

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Northern States Power Company 414 Nicollet Mall Minneapolis, Minnesota 55401 j

Telephone (612) 330-5500 4

July 8, 1987 Monticello Technical Specifications Section 6.7.A.3 US Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555 MONTICELLO NUCLEAR GENERATING PLANT Docket No. 50-263 License No. DPR-22 Monthly Operating Report June, 1987 Attached is the Monthly Operating Report for June, 1987 for the Monticello Nuclear Generating Plant.

0 W~o Manager of Nuclear Suppor\\ rvices David Musolf t Se DMM/MMV/j k c: Director, Office of Resource Management Regional Administrator-III, NRC NRR Project Manager, NRC NRC Resident Inspector MPCA Attn: J W Ferman Attachment

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