ML20073L322

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Monthly Operating Rept for Apr 1991 for Monticello Nuclear Generating Plant
ML20073L322
Person / Time
Site: Monticello Xcel Energy icon.png
Issue date: 04/30/1991
From: Parker T, Paustian H
NORTHERN STATES POWER CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9105130282
Download: ML20073L322 (5)


Text

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Northem States '.cwer Company 414 Nicollet Malt Minneapoks. Minnesota 55401 1927 Telephone (612) 330-5500 May 7, 1991 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 April. 1991 Attached is the Monthly Operating Report for April, 1991, for the Monticello Nuclear Generating Plant.

//f7W Thomas M Parker Manager Nuclear Support Service TMP/j lk C:

Director, Office of Resource Management Regional Administrator III, NRC NRR Project Manager, NRC NRC Resident Inspector MPCA Attn: J W Ferman Attachment 9105130282 910430 PDR (aDOCK 05000263 g

PDR

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OPERATING DATA REPORT DOCKET NO.

50-263 DATE 5-1-91 COMPLETED BY H.

H.

Paustian TELEPHONE 612/295-5151 OPERATING STATUS INotes 1

Monticello 1

1

1. Unit Name :
2. Reporting period:

APRIL I

3. Licensed Thermal Power (MWt):

1670 t

1

4. Nameplate Rating (Gross MWe):

569 1

1

5. Design Electrical Rating (Net MWe):

545.4 I

I

6. Maximum Dependable capacity (Gross MWe):

564 1

1

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
11. Hours In Reporting Period 719 2879 173856
12. Number Of Hours Reactor Was Critical 0.0 1981.7

" 138324.5

~~

13. Reactor Reserve Shutdown Hours 0.0 0.0 940.7
14. Hours Generator On-Line 0.0 1959.9

---135710.4

~~

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0
16. Gross Thermal Energy Generated (MWH)

~

0

- 2866989 207109923 0

17. Gross Electrical Energy Generated (MWH) -- -1557

~~ 960203 70088763

18. Net Electrical Energy Generated (MWH)

~~

0.0%

~~ 917783

- 67025030

19. Unit Service Factor 68.1%

-~

78.1%

0.0%

68.1%

78.1%

~~

20. Unit Availability Factor

-- -0.4%

59.5%

71.9%

21. Unit Capacity Factor (Using MDC Net)

--_ -0.4%

58.4%

70.7%

22. Unit capacity Factor (Using DER Net)
22. Unit Forced Outage Rate 0.0%

5.0%

4.0%

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

__ Refueling Outage, April 1, 1991, 56 Days

25. If Shut Down At End Of Report Period, Estimated Date Of Startup:May 26, 1991
26. Units In Test Status (Prior to Commercial Operation): N/A Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

-NARRATIVE

SUMMARY

OF OPERATING EXPERfENCE

+

DOCKET NO.

50-263 DATE 5-1-91 COMPLETED BY

!!. 11. Paustian TELEPl!ONE 612/295-5151 MONTil APRIL 4-1-91 to Plant shutdown for End-of-Cycle 14 refueling outage.

4-30-91 l

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

l' u

AVERAGE DAILY UNIT-' POWER LEVEL

[.

l i

DOCKET NO.

50-263 UNIT Monticello~

DATE-5-1-91 COMPLETED J'

H.

H.

Paustian TELEPH 11 612/295-5151 MONTH APRIL DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL l

(MWe-Net)

(MWe-Net) 1

-6 17 0

-2

-5 18

-3

~

(

3

-3 19

-1 4

-3 20

-1 i

5

-4 21

-3 6

-2 22

-1 7

-3 23

-2 8

-2 24

-2 L

9-

-2 25

-2 10

-2 26

-2 i

11

-2 27

-1 L_

_12

-2 28

-2 L.

[

13-

-2 29

-2 14

-2 30

-2 L

15

-2 31 l.

l 16 -

-INSTRUCTIONS On this format, list th6 average daily unit power level in MWe-Net for each day in the reporting month.

Compute to the nearest whole megawatt.

I i,

. _ - ~

~

~

UNIT SHlTfD0VNS AND POVER REDUCTION 3 D00TT No. 50-263 INIT NAME l onticello DATE 1 5-01-91

~ REPORT MON 111 April

[62/ 5-515$

No.

Date Type Duration Reason Method LER System Comp.

Cause & Corrective (1)

(hours)

(2) of No.

Code Code Action to i

Shutdown (4)

(5)

Prevent Recurrence (3) 3 04-01-91 S

719.0 C

1 N/A Plant shutdown for 1991 (EOC14) r 21ing outage i

I 1

2 3

4 F: Forced Reason:

Method:

Draft IEEE Standard S: Scheduled A-Equipment Failure (Explain) 1-Manual 805-1984(P805-DS)

B-Maintenance or Test 2-Manual Scram C-Refueling 3 Automatic Scram 5

D-lator Restriction 4-Other (Explain)

IEEE Standard 803A-1983 E

rator Training & License Examination F-inistrative G-Operational Error (Explain)

H-Other (Exnlain)

-