ML20127N123

Monthly Operating Rept for Sept 1977 for Monticello Nuclear Generating Plant

ML20127N123
Person / Time
Site:	Monticello
Issue date:	09/30/1977
From:	Mayer L, Shamla W NORTHERN STATES POWER CO.
To:	NRC
References
NUDOCS 9211300574
Download: ML20127N123 (4)

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NOMTNEMN 5TATES POWKM COMPANY MINN E APOU S. MINNa moTA seeot  !

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%g%gy, 1 e October 7, 1977 9 ,y Director, Office of -

Management Information & Program Control c/o Distribution Services Branch, DDC, ADM U S Nuclear Regulatory Ccanission Washington, DC 20555 Dear Sir MONTICELI4 NUCLEAR CENERATING PIANT Docket No. 50-263 License No. DPR-22 Monthly Operating Report September 1977 Attached are two copics of the Monthly Operating Report for September, 1977 for the Monticello Nuclear Generating Plant.

Yours very truly, e

L 0 Mayer, PE thnager of Nuclear Support Services tom /ak cc: Director, IE, III, USNRC (1) 4--Girector, IE, USNRC (c/o DSB) _ (10)

HPCA Attn: J W Ferman 9211300574 770930 3 PDR ADOCK 0500 R 772840061

2026 Rev. 3 8/13/76 .

OPERATING IWIA REPORT DOCKET No. 50 263 UNIT 1 DATE OcIrwt 4.1977 C04PLElID BY W. A. SMMIA TELEPIDE 612/295 5151 Ext.111 OPERATING STA11]S

1. Reporting Period: SEPIIMBER Gross llours in Report Period: 720

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

536 Design Electrical-Rating (FMe-Net). 545.4

3. Power Level to hhich Restricted (if any) (FWe-Net): un Reasons for Restriction (if any):

4.

TilIS !Gini YR TO DATE CU5ULATIVE

5. Number of Ilours Reactor h'as Critical . . . . . . . . . . . ..__ 214.0 5.874.5 43.950.9

6. Reactor Reserve Shutdown 11ours . . . . . . . . . . . . . . . . . 0.0 0.0 940.7

7. llours Generator On Line ........................ 212.2 5.813.1 42.588;3

8. Unit Reserve Shutdown llours .................... 0.0 _ 0.0 0.0

9. Gross Thennal Energy Generated (FMO . . . . . . . . . . 30s 496.4 0;144.04L 6 21;Rnn;771 n

10. Gross Electrical Energy Generated (IMI) . . . . . . . 103.oAn X;no6,ain ?i ;7An ,n1Ln

11. Net Electrical Energy Generated (hM1) .......... 97.124- 2.963.058 _ 20.770.530 ,

12. Reactor Service Factor ......................... 29.7% 89.7% B0.21

13. Reactor Availability Facto' .................... 29.7%- 89.7% R1.ot

14. Unit Service Factor ............................. 29.51, 88.7% 77.7% '

15. Unit Availability Factor ....................... 29.sL m nL1t

16. Unit Capacity Factor (Using 10C) . . . . . . . . . . . . . . . 25.7L 84.4% 70.7% !

17. Unit Capacity Factor (Using Design !Me) . . . . . . . .

- 24.7% R2.9% 60.51

18. Unit Forced Outage Rate .............. ......... .

0_. 0L ._0,61 A 71

19. Shutdowns Scheduled over Next 6 Months (Type, Date and Duration of Each): N/A

20. If Shutdown at End of Report Period, Estimated Date of Startup: October 29. 1977

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.o, 2025 ReV. 0 3/3/76 AVERAGE DAILY UNIT P0hTR LEVEL DOCKET No. 50-263 UNIT _1 DATE OCE BER 4. 1977 C04PLETED BY W. A. SHAMLA TELEM ONE 612/295-5151 Ext. 111-Mogi SEPTEMBER 1977 DAY AVERAGE DAILY P0h'ER LEVEL DAY AVERAGE IAILY P0h1R LEVEL (Mde-Net) (hMe-Net) 17 -3 1 ._ 50/,

18

-4 2 4* 1 3 19 -3 385 20 -1 4 441 21 -2 5 aos 49g 22 -2 6

23 -3 7 ___,4 94 8 24 -3 4g 25 9 329 26 10 .s 27 -3 11 -4 28 -2 12 4 29 -2 13 __

3 30 -3 14 3 15 3 31

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. 2027

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Rev.'0 -

I 3/3/76 .

DOCET NO. 50-263' UNIT NAME Monticello'- '

N # I DATE ncter 3_1977 .

CGIPIEITD BY W. A. Shamla'-

REPORT f 0NITI SEPTEMBER TELEPIONE 612/295-5151- t Ext. 111 a

I ME1110) OF .:

l N SlUITING DOWN F: ' FORCED DURATION 'llIE REACTOR OR: ..

NO. DATE S: SOIEDULED (110URS) REASON (1) ' REDUCING FOhTR (2) CORRILTIVE ACTIONS /COf f4ENTS 4 6 770909 S;- 507.8 C 1 4

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(1) REASON (2) Em  ;

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A

Equipnent Failure (Explain) - l ', - ,

B: .Maint. or Test -

3: Automatic Scram C: - ' Refueling -

4: Other (Explain).

D: - Regulatory Restriction E: -Operator Training;andi

-License Examination F: Administrative-

- SUhf4ARY: . Operated'as base loaded unit

with weekend power reductions G

- Operational Error (Explain) for; surveillance, testing.

i- II: Other.(Explain)

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