ML20215C003

Monthly Operating Rept for May 1987

ML20215C003
Person / Time
Site:	Monticello
Issue date:	05/31/1987
From:	Musolf D, Myrabo A NORTHERN STATES POWER CO.
To:	NRC OFFICE OF ADMINISTRATION & RESOURCES MANAGEMENT (ARM)
References
NUDOCS 8706170544
Download: ML20215C003 (5)

Text

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OPERATING DATA REPORT DOCKET NO.

50-263 DATE 6-4-87 COMPLETED BY A.

L.

Myrabo TELEPHONE 612/295-5151 OPERATING STATUS

! Notes 1

1. Unit Name :

Monticello

2. Reporting period:

MAY

3. Licensed Thermal Power (MWt):

1670 1

1

4. Nameplate Rating (Gross MWe): _

569 1

1 5.-Design Electrical Rating (Net MWe):

545.4 1

1

6. Maximum Dependable Capacity (Gross MWe):

564 1

1

7. Maximum Dependable Capacity (Net MWe):

- 536 1

1

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

11. Hours'In Reporting Period 744 3623 139536

12. Number Of Hours Reactor Was Critical 729.5 3435.1 108669.2

13. Reactor Reserve Shutdown Hours 0.0 0.0 940.7

'4 Hours Generator On-Line 722.0 3380.9 i

Unit Reserve Shutdown Hours 0.0 0.0

--106325.3 0.0

16. Gross Thermal Energy Generated (MWH) 1181954

17. Gross Electrical Energy Generated (MWH) 399358

- 5508082 162150434

18. Net Electrical Energy Generated (MWH)

---

~383309

--1865578 55044190 1792946

19. Unit Service Factor 97.0%

93.3%

~~52640335 76.2%

20. Unit Availability Factor

-- 97.0%

93.3%

76.2%

. Unit Capacity Factor (Using MDC Net) 21.

22. Unit Capacity Factor (Using DER Net)

~~- 94.7%

92.0%

70.4%

22. Unit Forced Outage Rate

-- 93.0%

~~~~ 9 0. 4 %

69.2%

0.0%

2.7%

4.6%

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 Startuo:

26. Units In Test Status (Prior to Commercial Operation): N/A Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY j

COMMERCIAL OPERATION wm WalQ N'

L R

p.

AVERAGE' DAILY UNIT POWER LEVEL.

DOCKET NO.

50-263 UNIT Monticello DATE' 6-4-87 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) 1 544 17 535 2

541-18 540 3-505-

.19 544 4

542 20 545-5' 541 21-545 6

545 22 513 c7 526 23

-4

'(

~

8 541 24 462' 9

541 25 541-10 475 26 541 11 537 27 545 12 542 28 545 13.

542 29 543

'14 -

540 30 502 15.

538 31 536' 16

_ 540 f

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.

t.

1

6-

-r a

' NARRATIVE:

SUMMARY

OF' OPERATING EXPERIENCE l

DOCKET NO.

50-263

.j

'DATE' 6-c4-87

]

COMPLETED BY 'A.'L..Myrabo l

TELEPHONE 612/295-5151

.' MONTH MAY' 5 -cl-87.

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Power operation..

H 5'-22-87

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1 5 87

-Plant shutdown to place'auxilliary transformer in service.

l 15 87

.to-Power operation.-

5?-31-87 4

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Note: Power operation defined as essentially.100% of rated power except for weekend load drops for t

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Northern States Power Company 414 Nicollet Mall Minneapolis. Minnesota 55401 Telephone (612) 330-5500 June 11, 1987 Submitted pursuant Monticello Technical Specification 6.7.A.3 US Nuclear Regulatory Commission Attn: Document Control Desk Washington DC 20555 MONTICELLO NUCLEAR GENERATING PIANT Docket No. 50-263 License No. DPR-22 Monthly Operating Report May, 1987 Attached is the Monthly Operating Report for May, 1987 for the Monticello Nuclear Generating Plant.

M David Musolf Manager - Nuclear Support Services c:

Director, Office of Resource Management Regional Administrator-III, NRC NRR Proj ect Manager, NRC Resident Inspector, NRC MPCA Attn:

F W Ferman Attachment

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