ML20077M217

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Monthly Operating Rept for Jul 1991 for Monticello Nuclear Generating Plant
ML20077M217
Person / Time
Site: Monticello Xcel Energy icon.png
Issue date: 07/31/1991
From: Parker T, Paustian H
NORTHERN STATES POWER CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9108130232
Download: ML20077M217 (5)


Text

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Northem States Power Compviy 414 Nicollet Mall Minneanahs, Minnesota 55401 1927 T elephone (612) 330 $$00 August 7, 1991 Monticello Technical Specifications Section 6.7.A.3 US Nuclear Regulatcry Commission Attn: Document Control Desk Wshington, DC 20555 MONTICELID NUCLEAR GENERATING PIANT Docket No. 50 263 Licence No. DPR 22 Monthly Operating Report July 1991 Attached a the nnthly Operating Report for July,1991 for tha Manticello Nuclear ent a ng 'lant,

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Manager Nuclear Support Service TMP/mk1 C:

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

Attachment l

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9108130232 910731

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PDR ADOCK 050002g..,

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OPERATING DATA REPORT s

DOCKET NO.

50-263 DATE 8-1-91 COMPLETED BY 11. 11. Paustian TELEPilONE 612/295-5151 OPERATING STATUS Thotes 1

1. Unit Name :

Monticello 1

1

2. Roporting period:

JULY l

3. Licensed Thermal Power (MWt):

1670 t

t

4. Nameplate Rating (Gross MWe):

569 1

1

'5. D3 sign Electrical Rating (Net MWe):

545.4 1

1

6. Maximum Dependable Capacity (Gross MWe):

564 1

1

7. Maximum Dependable Capacity (Not MWe):

~~536 I

._ t

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 T !! I S M O N T !!

YR.-TO-DATE CUMULATIVE

11. Ilours In Reporting Period 744 5087 176064
13. Reactor Reserve Shutdown flours 0.0 0.0

139778.5

12. Number Of Hours Reactor Was Critical 7T4.0 3435.7 940.7
14. Hours Generator On-Line 744.0 3367.2

~~I77117.7

-~

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0
16. Gross Thermal Energy Generated (MWil) 1234426 5172046

~209494980

17. Gross Electrical Energy Generated (MWil) ~ 411032

~ 1727072 70855632

18. Het Electrical Energy Generated (MWH)

~~391182

-~1644272

~~67751519

~~

19. Unit Service Factor

~~100.0%

~~

66.2%

77.9%

20. Unit Availability ractor

~ 100.0%

66.2%

77.9%

21. Unit Capacity Factor (Using MDC Net)

~~ 98.1%

60.3%

~~~~ 71.8%

22. Unit Capacity ractor (Using DER Net)

~~ 96.4%

59.3%

70.6%

22. Unit Forced Outage Rate 0.0%

5.1%

4.0%

~~

24. Shutdowns Scheduled Over Next 12 Months (Type, 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 OPERATIliG EXPERfE!dCE

+

DOCKET NO.

50-263 DATE 0- 1-91 COMPLETED BY 11. 11. Paustian~

TELEPilONE 612/295-5151 MONTH JULY l

l 7-1-91 to Power operation.

7-28-91 Power reduction to 70% of rated power to calibrate 7-28-91 Electro-Chemical Probe for use with !!ydrogen Water Chemistry System.

j 7-20-91 to Power operation.

l 7-31-91 i

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Note Power operation defined as essentially 100% of j

rated power except for weekend load drops for specified surveillance testing.

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AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-263 UllIT Monticello ~"

DATE 8-1-91 COMPLETED SY 11. 11. Paustian TELEPl!ONE 612/295-5151 MONT!!

JULY j

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

(MWe-Net) 1-533' 17 527 2

526 18 529 3

530 19 526 4

533 20 525 5

-530 21 521 1

6 528 22 523 7

534 23 529

-8 504 24 526 9

529 25 530 10 532 26 529 11 529 27 532 12

_526, 28 460 13 534 29-529-14-530 30 528 15 526 31 535 16 526 INSTRUCTIONS-i.

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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Do m No. 50-263 UIIT SHUITXMIS AND POWER REDUCTI0 tis GIIT NAME -~Monticello

~

DATS W-01-91 N:TED BT -~H. H. Paustian TEI.E*rTot2 _612/295-5151--

REPORT mot.Td July Cause & Corrective No.

Date Type Duration Reason Method LER S* stem Comp.

Action to Prevent Recurrence l

(1)

(hours)

(2) of No.

e Code Shutdown (4)

(31 (3)

Reduced pmr to 70% to calibrate Electro-Chemical 6

07-28-91 5

0.0 B

4 ruA TJi DET Probe for Hydrogen Vater Chemistry System.

1 i

4 3

Draft IEEE Standard 1

2 Method:

Reason:

1-Manual 805-1984(F805-D5)

F: Forced S: Scheduled A-Equipment F:tilure (Explain) 2-Manual Scram B-Maintenance or Test 3-Automatic Scras 5

C-Refueling 4-Other (Explain)

IEEE Standard 803A-1933 D-Regulator Restriction E-Operator Training & License Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain)

_