ML20203J713

Monthly Operating Rept for Nov 1997 for Monticello Nuclear Generating Plant

ML20203J713
Person / Time
Site:	Monticello
Issue date:	11/30/1997
From:	Paustian H, Voth M NORTHERN STATES POWER CO.
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9712220050
Download: ML20203J713 (5)

Text

.

Northem Swes Power Company Monti lo N ear Generatmg Plam Monticello, Minnewta $$362-9537 December 8,1997 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 Operating Report for November,1997 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 November is provided.

Please contact Marcus H. Voth, Project Manager - L! censing at (612) 271 5116 if you require further information.

'O Marcus H. Voth Project Manager - Licensing Nuclear Energy Engineering Dept.

c:

Regional Administrator - 111, NRC NRR Project Manager, NRC Sr Resident inspector, NRC State of Minnesota ji

} U' 2fh Attn: Kris Sanda

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I J Silberg

.I!.ll.I!.!.f,i ll 9112220050 971130 gDR ADOCK 05000263 PDR

OPERATING DATA REPORT i

t DOCKET NO.

50-263

~~

DATL 12-1-97 COMPLETED BY H. H. Paustian TELEPHONE 612/295-5151 OPERATING STATUS J Notes l

i

1. Unit Name :

Monticello

?

2.

Reporting period:

November

?

3. bicensed Thermal Power (MWt):

1670

?

l

[

4. Nameplate Rating (Gross MWe):

576.5 l

l lJ

5. Design F.lectrical Rating (Net MWe):

552.9

6. Maximum Dependable Capacity (Gross MWe) : 571.5

7. Maximum Dependable Capacity (Net MWe) :

543.5 J

?

8.

If Changes Occur in Capacity Ratings (IEems Number 3 Through 7) Since Last Report, Give Reasonas 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 720 8016 231601

12. Number Of Hours Reactor Was Critical 591.2 5920.6 189313.5

13. Reactor Reserve Shutdown Hours 0.0 0.0 940.7

14. Hours Generator On-Line 591.2 5900.3 186216.7

15. Unit Reserve Shutdown Houra 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 985742 9797799 289669710

17. Gross Electrical Energy Generated (MWH) 344876 3394217 98067732

18. Net Electrical Energy Generated (MWH) 331838 3257920 93862229

19. Unit Service Factor 82.1%

73.6%

80.4%

20. Unit Availability Factor 82.1%

73.6%

80.4%

'21. Unit Capacity Factor (Using MDC Net) 84.8%

74.8%

75.6%

22. Unit Capacity Factor (Using DER Net) 83.4%

73.5%

74.2%

33. Unit Forced Outage Rate 17.9%

26.4%

4.4%

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

_ Refueling Outage, 3/20/98-4/23/98, 34 days

35. 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

\\

9 AVERAGE DAILY UNIT POWER LEVEL DOCKET NO.

50-263 UNIT Monticello~

DATE 12-1-97 COMPLETED BY H. H. Paustian TELEPHONE 612/295-5151 MONTH OF No' ember DAY AVERAGt. DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL MWe-Net)

(MWe-Net) 1 564.

17 563.

2 564.

18 562.

3 564.

19 564.

4 564.

20 561.

5

563, 21 563.

6 561.

22 564.

7 564.

23 564.

8 562.

24 562.

9 563.

25 352.

10 561.

26

-8.

11 562.

2 ',

-6.

12 562.

28

-7.

13

563, 29

-7, 14 562.

30

-7.

15 563.

16 562.

INSTRUCTIONS

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

Compute to the nearest whole megawatt.

r.

.L' NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE

{

0

-DOCKET NO.

50-263 DATE 12-~1-97

-COMPLETED BY H. H. Paustian I

TELEPHONE 612/295-5151 l

1 t

MONTH NOV

)

i a

11-01-97 to.

Power operation.

l t 25-97

25-97 Manual scram inserted following decreasing condenser vacuum

)

due to loss of power to offgas recombiners.

l 11'-25-97 Reactor shutdown for repairs to power supply cables-for to offgas recombiners.

11-30 i t

2 i

)

i t

1 1

i r.

r I

f y-.

.t

)

Note: Power operation-defined as. essentially 100%'of rated power except for weekend load drops for

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specified surveillance-testing.

6 s

4 h

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.,_....._.-__....-.__,__.a.....--...

m

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UNIT SHUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-263 UNIT NAME Monhceso DATE 12-02-97 COMPLETED BY - H. H. Pausten i

REPORT MONTH November TELEPHONE 612-295-5151 L

[

Method 4

of System Comp Cause & Conectve i :-

Type Durabon Reason Shutdown Code Code Actonto No. -

Date (1)

(hours)

(2)

(3)

LER No.

(4)

(5)

Pmvent Recunence 6~

11-25-97 F

128.8 A

2 97-013 EC COL 4 Manuel scram mseded tomounna loss of condenser vacuum caused by loss of power to ongas recombmers due to cable fault I

f I

l 5

i 1

2 3

4

[

jL F

Forced Reasort Method-Draft EEE Standard S

Scheduled A

Equipment Failure (Explam) 1 Manual 805-1964 (P905-DS) 4 B

Maintenance orTest 2

ManuelScram j

C Refueling 3

Automahc Scram 5

j-D Regulator Restnchon 4

Other(Explam)

EEE Standard 803A-1983 E

OperatorTrammg & Licensmg Exammahen i

F Admrustrahve G

Operatonal Enor(Explam)

H Other(Explam) l

=

_, - - - _. - _. _ _ - ~ _ _.. - ~.

.-___...__..._.-...__....--,!