ML20097F567

Monthly Operating Rept for May 1992 for Monticello Nuclear Generating Plant

ML20097F567
Person / Time
Site:	Monticello
Issue date:	05/31/1992
From:	Parker T, Paustian H NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9206150373
Download: ML20097F567 (5)

Text

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Northem States Power Company 414 Nicollet Mall i

Minneapoks. Minnesota 55401 1927 Telephone (612) 3365500 June 9, 1992 Monticello Technical Specifications Section 6.7.A.3 US Nuclear Regulatory Commission Attn: Document Control Desk Vashington, DC 20S55 MONTICELLO NUCLEAR GENERATING PLANT Docket No. 50 263 License No. DPR-22 Monthly Operating Report May. 1992 Attached is the Monthly Operating Report for May, 1992 for the Monticello Nuclear Generating Plant.

/ c

&ik Thomas M Par e Manager Nuclear Support Service TMP/mk1 C:

Director, Office of Resource Management Regional Administrator-III, NRC NRR Project Manager, NRC NRC Resident Inspector State of Minnesota - Kris Sanda-Attachment I

l 9206150373 920531 k

i PDR ADOCK 05000263 t !

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OPERATING DATA-REPORT U

i

,e DOCKET NO.

50-263 DATE 6-1-92 COMPLETED BY H. H. Paustian TELEPHONE 612/295-5151:

l OPERATING STATUS

.] Notes

]

1. Unit-Name :

-Monticello

)

)

2. Reporting period:

_J4ay J'

]

3. Licensed Thermal Power (MWt):

_1670

)

-]=

4._ Nameplate Rating (Gross MWe):

569

)

)

5. Design Electrical Rating (Net MWe):

545.4

)

]'

,6. Maximum Dependable Capacity (Gross MWe): __564

)

)

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=WhichLRestricted, If Any (Net MWe):

N/A

10. Reasons For Restrictions, If Any: __N/A' T

THIS MONTH YR.-TO-DATE CUMULATIVE--

111.~ Hours In Reporting Period 744 3647-183384-i 11 2. Number Of Hours Reactor:Was Critical.

744.0' 3429.3 146847.7 4

13. Reactor Reserve-Shutdown Hours 0 ~. 0 0.0:

940.7

14. Hours' Generator'On-Line 744.0 3391.31 144139.2

15. Unit Reserve Shutdown Hours 0.0 0.0-0.0

15. Gross Thermal Energy Generated (MWH) 1228822-5610970 -

221144547

-17.-Gross Electrical Energy Generated (MWH) 409095 11883944 74773789

18. Net Electrical Energy _-Generated-(MWH) 393562

_1811982 71514200

19. Unit Service Factor 100.0%

93.0%

7;8.6%

20. Unit 1 Availability Factor

-100.0%-

.93.0%

78.6%

21. Unit Capacity Factor'(Using MDC Net) 98.7%-

92.7%'

-72.8%

i

22. Unit Capacity. Factor-(Using DER Net)

=97.0%

-91.'1%-

71.5%

23. Unit Forced-Outage Rate

-0.0%z 2.0%1 3.9%

L

24. Shutdowns-Scheduled Over Next.12 Months-(Type, Date,-and-Duration of Each)-

Refueling Outage

=1/6/93-- 56 days-

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

~

26.1 Units In__ Test Status (Prior to Commercial Operation):LN/A; Forecast Achieved?

INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL: OPERATION ll u

O

. ~. -.

.---~w.

AVERAGE' DAILY UNIT POWER LEVEL DOCKET NO.

50-263-UNIT Monticello,_

DATE 6-1-92 COMPI.TED BY

-H.

H. Paustian TELEPHONE 612/295-5151 MONTH OF May DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1 535.

17 361.

2

528, 18 539.

3 535.

19 536.

4 534.

20

532, 5

540.

21 537.

6

526, 22 537.

7 535._

23

-535.

8 533.

24

-539.

9

533, 25 537.

10 532.

26 539.

11

533, 27 534'.

12 532.

28

540, 13 534.

29 537.

14 535.30-537.

15 530.

31

531,16-533.

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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NARRATIVE

SUMMARY

OFLGPERATING EXPERIENCE

-DOCKET NO.

50-263

..DATE 6

1 COMPLETED'BY H.-H.=Paustian-TELEPHONE 612/295-5151 4

MONTH MAY 5-1-92 to Power operation, i

5-17-92 1

5-17-92 Power reduction to 30% to repair-Turbine Moisture-Separator

. dump valve.

5-17-92 to

-Power operation.

5-:31-92 t

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

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.- - ~, =. -

UNIT SHITIDCT4G A!D F0 vier REDUCTIO 15 DOCKER 10.

50-263 UNrr IAME ~hxiticello DATS ~~06-01-92 CGiPLETED BY 1. H. Paustian REPOR'r FOtml May TELEPHONE'[612/295-5151 Ib.

Date T@e Duration Reason Method LER Sp> temComp.

Cause & Corrective 11)

(hours)

(2) of tb.

u de Code Action to Shutdown (1)

(5)

Prevent Recurrence (3) 5 05-17-92 S

0 B

4' N/A TF ICV Power reduction to 30% to repair Turbine Moisture-Separator drp valve.

1 2

3 4

F: Forced Reason:

ftthod:

Draft IEEE Standard S: Scheduled. " A-Equiment Failure (Exclain) 1-Manual -

805-1984(P805-D5)

B-Maintenance or Test 2-Manual Scram

'C-Refueling 3-Autcxnatic Scram 5'

D-lator Restriction

. '4-Other (Explain)

.IEEE Stardard 803A-1983 E-rator Training & License Examination F

niptrative G-Operational Error (Explain)

H-Other (Explain)

-s

--.-,_c.

. ~. - -.

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