ML20077R761

Monthly Operating Rept for Dec 1994 for Monticello Nuclear Plant

ML20077R761
Person / Time
Site:	Monticello
Issue date:	12/31/1994
From:	Richard Anderson, Paustian H NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9501230120
Download: ML20077R761 (5)

Text

i Northem States Power Company Monticello Nuclear Generating Plant 2807 West Hwy 75 Monticello, Minnesota 55362-9637 l

January 12,1995 Monticello Technical 1

Specification 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 Submittal of Monticello Monthly Operatino Report for December 1994 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 as Attachment A.

Please contact Mary Engen, Sr Licensing Engineer, at (612) 295-1291 if you require further information.

L coa-Y oger O Anderson Director Licensing and Management issues c:

Regional Administrator-lli, NRC NRR Project Manager, NRC Sr Resident inspector, NRC State of Minnesota Attn: Kris Sanda J Silberg Attachments: A - December Operating Data 2C0001 501230120 941231 1

DR R

ADOCK 05000263 PDR

[,

OPERATING DATA REPORT DOCKET NO.

50-263 DATE 1-3-95 COMPLETED BY H. H.

Paustian TELEPHONE 612/295-5151 OPERATING STATUS

] Notes J

UnitName[-

Monticello

]

]

1.

Reporting

$riod:

December

]

]

2.

3. Licensed The nal Power (MWt) :

1670

]

]

4. Nameplate Rating (Gross MWe) :

569

]

]

5. Design Electrical Rating (Net MWe):

545.4

]

]

6. Maximum Dependable Capacity (Gross MWe) :

7. Maximum Dependable Capacity (Net MWe) :

--564

]

]

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 CUMUI.ATIVE

11. Hours In Reporting Period 744 8760 206041

12. Number Of Hours Reactor Was Critical 669.3 7624.2 166999.9

13. Reactor Reserve Shutdown Hours 0.0 0.0 940.7

14. Hours Generator On-Line 642.2 7510.1 164110.9

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 1060277 12221672 253486452

17. Gross Electrical Energy Generated (MWH) 364345 4128815 85683478

18. Net Electrical Energy Generated (?G01) 350970 3956317 81975110

19. Unit Service Factor 86.3%

85.7%

79.6%

20. Unit Availability Factor 86.3%

85.7%

79.6%

21. Unit Capacity Factor (Using MDC Net) 88.0%

84.3%

74.2%

22. Unit Capacity Factor (Using DER Net) 86.5%

82.8%

72.9%

23. Unit Forced Outage Rate 3.9%

2.9%

3.6%

j

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

_None

)

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

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

o

,s.

~

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-263 UNIT Monticello--

DATE 1-3-95 COMPLETED BY H. H. Paustian TELEPHONE 612/295-5151

-MONTE OF December DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 1 557.

17 36.

2 554.

18

-5.

3 557.

19

-8.

4 556.

20

-7.

5 556.

21 204.

6 556.

22 552.

7 555.

23 555.

8 555.

24 556.

9 555.

25 556.

10 555.

26 552.

11 555.

27 555.

12 555.

28 556.

13 554.

29 555.

14 554.

30 554.

15 553.

31 555.

16 531.

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.

t:

NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE DOCKET NO.

50-263 DATE 1-3-95 COMPLETED BY H. H.

Paustian TELEPHONE 612/295-5151 MONTH DEC 12-01-94 to Power operation.

12-17-94 12-17-94 Maintenance outage to replace Recirc Pump seal.

to RHR/LPCI testable check valve subsequently required 12-21-94 repairs prior to startup.

12-21-94 to Power operation.

12-31-94 Note: Power operation defined as essentially 100% of rated power except for weekend load drops for specified surveillance testing.

i I

I 1

UNIT SifUTD0VNS AND POVER REDUCTIONS DOCKET NO.

50-263 s

INIT NAME l onticello

^.

DATE 11-03-95 COMPLETED BY 1.11. Paustian REPORT M0!Ril December TELEPIlotE 612/295-5151 -

I No.

Date Type Duration Reason Method LER - dvs tem iCorrp.

Cause & Corrective (1)

(hours)

(2) of No.

Code Code Action to Shutdown (4)

(5)

Prevent Recurrence (3) 7 12-17-94 S

101.8 B

2 N/A AD

' SEAL Haintenance outage to replace Rx Recire Pump seal.

RHR/LPCI testable check valve ieakage repairs extended outage 26 hr beyond Recirc Pump repairs.

l i

i I

i i

t 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

1 D-Regulator Restriction 4-Other (Explain)

IEEE Standard 803A-1983 E-Operator Training & License Examination F-Administrative G-Operational Error (Explain) il-Other (Explain) l l

i

- - -