ML20079C210

Monthly Operating Rept for May 1991 for Monticello Nuclear Generating Plant

ML20079C210
Person / Time
Site:	Monticello
Issue date:	05/31/1991
From:	Parker T, Paustian H NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9106190071
Download: ML20079C210 (5)

Text

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Northem States Power Company 414 Nicollet Mall Minneapolis, Minnesota 55401-1927 Telephone (612) 330-5500 June 13, 1991 Monticello Technical Specifications Section 6.7.A.3 US Nuclear Regulatory Commission JAttn;; Document; Control--Desk Washington, DC ~20555 MONTICELLO NUCLEAR GENERATiNC PIANT Docket No. A 263 License No. DPR-22 Monthly Operating Report May. 1991 Attached is the Monthly Operating Report for May, 1991 for the Monticello Nuclear Generating Plant.

1 o

homas M Parker Manager Nuclear Support Service TMP/mkl C:

Director, Office of Resource Management Regional Administrator-III, NRC NRR Project Manager, NRC NRC Resident Inspector MPCA Attn: J W Ferman Attachment l

9106190071 910331 qV

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POR ADOCK 05000260_

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OPERAT8NG DATA REPORT

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DOCKET NO.

50-263 DATE 6-3-91 COMPLETED BY H.

H.

Paustian 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 174600

12. Number Of Hours Reactor Was Critical 48.4 2030.1

--138372.9

13. Reactor Reserve Shutdown Hours 0.0 0.0 940.7

14. Hours Generator On-Lir.e 19.2 1979.1

~~135729.6

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 12245

- 2879234

-207202168

17. Gross Electrical Energy Generated (MWH) --

3076 963279 70091839

18. Net Electrical Energy Generated (MWH) 2.6%

54.6%

77.7%

141 917924

- 67025171

19. Unit Service Factor

20. Unit Availability Factor 2.6%

54.6%

77.7%

21. Unit Capacity Factor (Using MDC Net)

~~

0.0%

47.3%

71.6%

22. Unit Capacity Factor (Using DER Net)

[-

0.0%

46.5%

70.4%

22. Unit Forced Outage Rate 0.0%

5.0%

4.0%

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

__None

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

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

~~

NARRATIVE

SUMMARY

OF OPCRATING EXPERIENCE

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DOCKET NO.

50-263 DATE 6-3-91 COMPLETED BY H.

H.

Paustian TELEPHONE 612/295-5151 MONTH MAY 5-1-91 to Plant shutdown for End-of-Cycle 14 refueling outage.

5-29-91 5-29-91 Reactor physics testing in progress.

5-30-91 HPCI (High Pressure Coolant Injection) and RCIC (Reactor Core Isolation Cooling) testing.

5-31-91 Generator on/off line for turbine overspeed test.

5-31-91 Generator on-line.

Power operation.

SPENT FUEL POOL UPDATE Fuel assemblies in core 484 Fuel assemblies in spent fuel pool 582 Licensed capacity 2237 Date of last refueling that can be 2007 discharged with present capacity l

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

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AVERAGE DAILY UNIT POWER LEVEL j

DOCKET NO.

50-263 UNIT Monticello-DATE 6-3-91 COMPLETED BY H.

H.

Paustian TELEPHONE 612/295-5151 MONTH MAY DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1

-1 17

-4 2

-2 18

-4 3-

-2 19

-5 4

-3 20

-6 5

-3 21

-4 6

-3 22

-2 7 23

-8 8

-3 24

-5 l

9

-3 25

-6 10

-3 26

-5 11

-3 27

-6

-12

-2 28

-6 13

-3 29

-6 i

14

-3 30

-11

-15

-4 31 126 16

-3 INSTRUCTIONS On this format, list the average daily unit power level in MWe-Net for each l-day in the reporting month.

Compute to the nearest whole megawatt.

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UNIT SHIED 0VNS AND POVER REDUCTIONS D00GT NO.

50-263 UNIT NAME Monticello DATE %-03-91 COMPLETED BY ~11. H. Paustian REPORT M0?mi May TELEPHONE _612/295-5151-Duration Reason Method LER System Comp.

Cause & Corrective Ty(pe (hours)

(2) of No.

Code Code Action to No.

Date 1)

Shutdown (4)

(5)

Prevent Recurrence (3)

Plant shutdown for 1991 (EOC14) refueling outage 3

05-01-91 S

724.8 C

1 N/A I

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l l

3 4

1 2

Method:

Draft IEEE Standard F: Forced Reason-1-Manual 805-1984(P805-D5)

S: Scheduled A-Equipment Failure (Explain) 2-Manual Scram B-Maintenance or Test 3-Automatic Scram 5

C-Refueling 4-Other (Explain)

IEEE Standard 803A-1983 D-Regulator Restriction E-Operator Training & License Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain)

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