ML20198P220

From kanterella
Jump to navigation Jump to search
Monthly Operating Rept for Dec 1997 for Monticello Nuclear Generating Plant
ML20198P220
Person / Time
Site: Monticello Xcel Energy icon.png
Issue date: 12/31/1997
From: Paustian H, Voth M
NORTHERN STATES POWER CO.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9801220037
Download: ML20198P220 (5)


Text

. _ _

Northem States Power Company Monti ello N en Generating Plant Monticello, Mir esota 55362 9637 January 12,1998 US Nuclear Regulatory Commission Attn: Document Control Desk Washington, DC 20555 MONTICELLO NUCLEAR GENERATING PLANT Decket No. 50 263 License No. DPR 22 Submittal of Monticello Monthly Operating Report for December,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 December is provided.

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

ff#DA Marcus H. Voth Project Manager - Licensing Nuclear Energy Engineering Dept.

c:

Regional Administrator - Ill, NRC NRR Project Manager, NRC Sr Resident inspector, NRC State of Minnesota Attn: Kris Sanda J Silberg

, X ( L'l 9001220037 971231 I

/

PDR ADOCK 05000263 R

PDR f

1 I

OPERATING DATA REPORT DOCKET NO.

50-263 DATE 1-7 9T I

COMPLETED BY H. H. Paustian TELEPHONE 612/295-5151 OPERATING STATUS

] Notes j

1. Unit Name :

Monticello

]

]

2. Reporting pe'riod:

December

)

)

3. Licensed Thermal Power (MWt) :

1670

)

)

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

)

)

^

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 i

10. Reasons For Restrictions, If Any: __N/A THIS MONTH YR.-TC-DATE CUMULATIVE 232345
11. Hours In Reporting Period 744 i
12. Number Of. lours Reactor Was Critical 730.8 1 4 190044.3
13. Reactor Reserve Shutdown Hours 0.0 0

940.7

14. Hours Generator On-Line 717.6

/.9 186934.3

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0
16. Gross Thermal Energy Generated (MWH) 1185895 10983694 290855605
17. Gross Electrical Energy Generated (FOE) 413643 3807860 98481375
18. Nat Electricel Snergy Generated (MWH) 398828 3656748 94261057
19. Unit Service Factor 96.5%

75.5%

80.5%

20. Unit Availability Factor 96.5%

75.5%

80.5%

21. Unit Capacity Factor (Using MLC Net) 98.6%

76.8%

75.6%

22. Unit Capacity Factor (Using DER Net) 97.0%

75.5%

74.3%

23. Unit Forced Outage Rate 3.5%

24.5%

4.4%

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

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

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 INITIta CRITICALITY INITIAL ELECTRICITY COMMERCIAL CPERATION J

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

9 AVERAGE = DAILY UNIT POWER LEVEL

-(

DOCKET NO. - Monticello l

50-263 UNIT

-DATE 1

-'2 r COMPLETED BY H..H. Paustian i

- TELEPHONE 612/295-S151 4

~ MONTH OF December D18 AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL

-(MWe-Net)

(MWe-Net) 1

-7.

17 562.

2 398.

18 563.

3 548.

19 562.

4' 562.

20 562.

5-562.

21 562.

-6 561.

22 562.

7 560.

23 562.

8 562.

24

_561.

9 563.

25 563.

10

~562.

26 562.

11 -

561._

27 562.

. l'2 563.

2B 561.

13..

508.

29 5 5 2.,,.,

- 14 :

_562.

30 561.

'15

-562.

31 562.

16.

562.

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

day in1the: reporting month.

Compute >to the nearest whole megawatt.

n

-\\:.-_

e

-s e

m

    • e---

..~

. ~..

- -.-. ~..

. ~. -. -

Li " i NARRATIVE

SUMMARY

OF OPERATING EXPERIENCE DOCKET NO.

50-263 7

~

DATE 1-2-98.

COMPLETED BY H.;H.

Paustiani TELEPHONE - 612/295-5151-a MONTH.

DEC i

12-01-97 to

' Restart' recovery from scram on 11/25/97.

12-02-97 12-02. to Power operation.

12-13-97 12-13-97 Power reduced to 60% far Furmaniting PT-1176 and fuel-

' preconditioning.

12-13 to Power operation.

1 31-97 f

e N.

a 4

-Note:. Power cperation defined as escantially 100% of rated power except for weekend load drops for

specified surveillance testing.

2 y

r.

UNIT SHUTDOWNS AND POWER REDUCYlONS DOCKET NO. 50-263 UNIT NAME Monticeflo DATE 01-02-98 COMPLETED BY H. H. Paustian REPORT MONTH December TELEPHONE 612-295-5151 Method of System Comp Cause & Corrective Typt; Duration Reason Shutdown Code Code Actbn to No.

Date (1)

(hours)

(2)

(3)

LER No.

(4)

(5)

Prevent Recurrence 7

12-01-97 F

26.4 A

2 97-013 EC CBL4 Recovery from manual scram inserted after loss of condenser vacuum caused by loss of power to offgas recombiners due to cable fault en 11/25/97 8

12-13-97 S

0.0 B

4 N/A SB HTV Power reduction to 60% to Furmanite root valve of pressure transmitter PT-1176 1

2 3

4 F

Forced Reason:

Method:

Draft IEEE Standard S

Scheduled A

Equipment Failure (Explain) 1 Manual 805-1984 (P805-D5)

B Mainteaance or Test 2

Manual Scram C

Refueling 3

Automatic Scram 5

D Regulator Restriction 4

Other (Explain)

IEEE Standard 803A-1983 E

Operator Training & Licensing Examination F

Administrative G

Operational Error (Explain) ri Other (Explain)