ML20133J140

Monthly Operating Rept for Dec 1996 for Monticello Nuclear Generating Plant

ML20133J140
Person / Time
Site:	Monticello
Issue date:	12/31/1996
From:	Richard Anderson, Paustian H NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9701170410
Download: ML20133J140 (5)

Text

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4 Northem States Power Company i

Monticello Nuclear Generating Plant l

2807 West Hwy 75 1 Monticello, Minnesota $5362 9637 l January 9,1997 Monticello Technical Specification 6.7.A.3 I

' j US Nuclear Regulatory Commission  !

Attn: Document Control Desk Washington, DC 20555 MONTICELLO NUCLEAR GENERATING PLANT i

Docket No. 50-263 License No. DPR-22 Submittal of Monticello Monthly Operating Report for December,1996 In accordance with Monticello Technical Specification 6.7.A.3, the report of operating statistics for the Monticello Nuclear Generating Plant for the Month of December is provided.

Please contact Sam Shirey, Sr. Licensing Engineer, at (612) 295-1449 if you require further information.

So r~

Roger O Andersor Director Licensing and Management issues l 1

c: Regional Administrator - til, NRC NRR Project Manager, NRC Sr Resident inspector, NRC 1 State of Minnescta Attn: Kris Sanda J Silberg l l

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h ],h 1 l 9701170410 961231 PDR ADOCK 05000263 i R PDR h '

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. __ __ __ _ _ _ _ _ . __ .- _________ __ _. _ _ m. _ _ _ _ _ _ _ _ - .

- OPERATING DATA REPORT I

DOCKET NO. 50-263 DATE 1- 2-97 COMPLETED BY H. H. Paustian TELEPHONE 612/295-5151 1

OPERATING STATUS

] Notes ]

1. Unit Name -

Monticello ] ]

2. Reporting heriod: December ] ] l

3. Licensed Thermal Power (MWt): 1670 ] ] I

4. Nameplate Rating (Gross MWe) : 576.5 ] ]

5. Design Electrical Rating (Net MWe) : 552.9 ] ]

6. Maximum Dependable Capacity (Gross MWe): 571.5 ] ] ;

7. Maximum Dependable Capacity (Net MWe) : 543.5 ] ] I

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 l

J THIS MONTH YR.-TO-DATE CUMULATIVE

11. Hours In Reporting Period 744 8784 223585

12. Number Of Hours Reactor Was Critical 702.8 7633.1 183392.9

13. Reactor Reserve Shutdown Hours 0.0 0.0 940.7

14. Hours Generator On-Line 691.3 7445.6 180316.4

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 1137307 11819122 279871911

17. Gross Electrical Energy Generated (MWH) 395718 4043484 94673515

10. Net Electrical Energy Generated (MWH) 381569 3872937 90604309

19. Unit Service Factor 92.9% 84.8% 80.6%

20. Unit Availability Factor 92.9% 84.8% 80.6%

21. Unit Capacity Factor (Using MDC Net) 94.4% 81.6% 75.6%

22. Unit Capacity Factor (Using DER Net) 92.8% 80.2% 74.3%

23. Unit Forced Outage Rate 7.1% 4.0% 3.4% l

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:

26. Units In Test Status (Prior to Commercial Operation): N/A Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

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AVERAGE DAILY UNIT POWER LEVEL i

i DOCKET NO. 50-263 UNIT Monticello~~

DATE 1- 2-97 COMPLETED BY H. H. Paustian TELEPHONE 612/295-5151 i

E l MONTH OF December 4

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

, 1 560. 17 560.

2 566. 18 561.

l 3 561. 19 561.

4 562. 20 561.

! 5 562. 21 562.

6 372. -

22 561. I i

! 7 -7, 23 562.

I 8 -7. 24 561.

f 9 389. 25 561.

10 556. 26 561.

11 560. 27 565.

, 12 564. 28 558.

13 562. 29 558.

14 562. 30 560.

15 562. 31 561.

16 563.

INSTRUCTIONS 4 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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l- NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE i

DOCKET NO. 50-263 DATE 1- 2-97 COMPLETED BY H. H. Paustian TELEPHONE 612/295-5151 MONTH DEC 1

12-01-96

. to Power operation.

12-06-96 12-06-96 Manual shutdown to repair small leak on Safety Relief

Valve "D".

12-08-96 Reactor critical.

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12-08-96 to Power operation.

12-31-96 l

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i Note: Power operation defined as essentially 100% of rated power except for weekend load drops for 4

specified surveillance testing.

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UNIT SIRTTDOVNS AND POWER REDUCTIONS DOCKET No. 50-263 . ,

UNIT NAME ifonticello '

DATE 01-02-97 .

COMPLETED BY 11. H. Paustian

• REPORT M0!TTH December TELEPHONE- 612/295-5151 - -

No. Date Duration Reason Method LER System Comp. Cause & Corrective Ty(pe

1) (hours) (2) of No. Code Code Action to Shutdown (4) (5) Prevent Recurrence (3)  ;

i 12 12-06-96 F 52.7 A 2 N/A SB RV Manual shutdown required to repair leaking Safety .

Relief Valve.

1 2 3 4 F: Forced Reason: Method: Draft IEEE Standard S: Scheduled A-Equipment Failure (Explain) 1-Manual 805-1984(P805-D5)

B-Maintenance or Test 2-Manual Scram C-Refueling 3-Automatic Scram 5 t D-Regulator Restriction 4-Other (Explain) IEEE Standard 803A-1983 E-Operator Training & License Examination F-Aaministrative G-Operational Error (Explain)

H-Other (Explain)

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