ML20127N784

Monthly Operating Rept for May 1977 for Monticello Nuclear Generating Plant

ML20127N784
Person / Time
Site:	Monticello
Issue date:	05/31/1977
From:	Mayer L, Shamla W NORTHERN STATES POWER CO.
To:	NRC
References
NUDOCS 9212010416
Download: ML20127N784 (4)

Text

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June 8, 1977 Regdatory Docket T4 3 Director, Office of fa h sfp

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.l ,,5 l Inspection and Enforcement Q s U S Nuclear Regulatory Commission Washington, DC 20555 //). ,,\

Dear Sir:

}ONTICELID NUCLEAR GENERATING PIANT Docket No. 50-263 License No. DPR-22 I Monthly Operating Report May 1977 Attached are ten copies of the Monthly Operating Report for May,1977 for the Monticello Nuclear Generating Plant.

Yours very truly, c% o.

L 0 Mayer, PE Manager of Nuclear Support Services LOM/ak cc: Director, IE-III, USNRC (1)

Director, MIPC, USNRC (2)

MPCA Attn: J W Fennan 9212010416 770531 PDR ADOCK 05000263 771640161 R PDR-

2025 Rev. 0 3/3/76 A\TA\GE DAILY UNIT P0h1R LEVEL DOCKET NO. 50-263 UNIT' 1 DATE JUNE 3. 1977 C04PLETED BY W. A. SHAMLA TFJ.EITONE 612/295-5151, Ext. 111:

MI MAY -_ _ _ . _ . _ . - _ _

DAY AVERAGE DAILY PohTR LEVEL DAY AVIR\GU IMll.Y P0h'ER LINEl.

(bMc-Net) (hMe-Net) 1 529 _

17 538 2 550 18 _

537 3 553 19 538 4 553 20 532 5 551 21 372-6 551 22 461 7 443 23 524 8 531 24 537 9 552 25 534 10 552 26 534 11 549 27 535 12 552 28 502 13 543 29 534 14 516 30 534' 15 537 31 537 16 541

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2026.'I , .e Rev. 3 8/13/76 ,

OPERATING DATA RTPORT .

DOCKET No. 50 263 -

UNIT 1 DATE - JL'NE 3, 197 7 C(NPIETED BY W. A. SHAMLA ,

TELEPHONE 612/295-5151, Ext. 111 t OPERATING STA'IUS

1. Reporting Period: MAY Gross llours.in Report Period: 744-

2. Currently Authorized Power Level (hMt): 1670 _ Max. Depend. Capacity -(bMe-NET):

536 Design Electrical Rating _ (FMe-Net): 545.4

3. Power Level to Which Restricted (if any) (bMc-Net): N/A-

4. - Reasons for Restriction (if any): N/A THIS StJmi YR TO DATE- CUbCIATIVE;

5. Number of Hours Reactor Was Critical ........... 744.0 3.554.6~ 41.631.01

6. Reactor Reserve Shutdown Hours ................. 0.0 0.0- 940.7f

7. Hours Generator On Line......................... 744.0- _

3.535.4 40.310.6

8. Unit Reserve Shutdown Hours ...................-. 0.0- 0.0 0.0

9. Gross Thomal Energy Generated (hMI) . . . . . . . . . . . 1,209.487.2 5.712.511.2 68.375.186.6 '

10. Gross Electrical Energy Generated (FMI) ........ 410,140 1.945,850 20,590,270

11. Net Electrical Energy Generated (bMI) .........._ .

392.428 1.871.232- 19.678.704-98.1% 80.1Xi

12. Reactor Service Factor .......................... 100%

-13. Reactor Availability Factor . . . . . . . . . . . . . . . . . . . . 100%- __

98.11- -81.92!

Unit-Service Factor ............................ -100%. 97.6% 77.62 14.-

15. Unit Availability Factor ........................ 100% 97.6% 77.62:

16.' Unit Capacity Factor (Using HE;) ...............- 98.4% -96.4% 70.72:

96.7% 94.7%_ 69.42;

17. _ Unit Capacity Factor (Using Design MWe) . . . . . . . .

0.0% : 0.9% 8.6% =

18.: Unit-Forced Outage Rate ........................

4 19. Shutdowns Scheduled Over Next 6 Months (Type, Date and Duration of Each): .

Operator Licensing Outage, 6/11/77 2 Days- -

-Refueling Outage, 9/24/77, 42' days . .

20. If Shutdown at End'of Report Period, Estimated Date of Startup: ~ N/A

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-2027 Rev.'.0:

-3/3/76' '

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DOCKET NO. 50-263  ;-; .t UNIT NA'4E . Monticello )

UNIT SIUTDOWNS AND POLER REDUCTIONS DATE JUNE 3.1977 l i: CG1PLETED BY W. A. SHAMLA ,

REPORT FONTI MAY TELEPIDNE 612/295-5151- +

4 Ext. 111

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MEll10D OF ,

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ME SIUITING Dolm F:. FORCED DURATION TIIE REACTOR OR '

DATE' S: 'SCIIEDUL D REASON (1). REDUCING P0tER (2) CORRECTIVE ACTIONS /C0f4EhTS NO. (HOURS) i

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t (2) ME1110D (1) REASON

'A: Equipment ' Failure (Explain) - 1: Manual-

' 2: . Manual Scram B: Maint. or Test 3: Automatic Scram Ci Refueling '4: Other (Explain) i D: Regulatory Restriction. -l E:. Operator Training and;_  ?

License' Examination

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SUMMRY:- Operated as base loaded . . F: /\dministrative ,

unit.with weekendipower' G: : Operational Error (Explain) o 11: - - Other (r_xplain) -

reductions for surveillance

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