ML20072T089

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Monthly Operating Repts for Aug 1994 for North Anna Power Station
ML20072T089
Person / Time
Site: North Anna  Dominion icon.png
Issue date: 08/31/1994
From: Bowling M, Stall J
VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
94-542, NUDOCS 9409150060
Download: ML20072T089 (12)


Text

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VinoixrA I?i,ucrnrc Axn Powen COMI'ANY n icu >ioxu, Vinoin A count September 12, 1994

)

U. S. Nuclear Regulatory Commission Serial No.

94 542 Attention: Document Control Desk NL&P/GSS Washington, D.C. 20555 Docket Nos.

50-338 i

50-339 i

License Nos. NPF-4 NPF-7 Gentlemen:

VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNITS 1 AND 2 MONTHLY OPERATING REPORT Enclosed is the Monthly Operating Report for North Anna Power Station Units 1 and 2 for the month of August 1994.

i Very truly yours, k'

M. L. Bowling, Manager Nuclear Licensing and Programs Enclosure cc:

U.S. Nuclear Regulatory Commission Region 11 101 Marietta Street, NW Suite 2900 Atlanta, GA 30323 Mr. R. D. McWhorter NRC Senior Resident inspector North Anna Power Station

'n n(> g 94o915oo60 940831 DR ADOCK 0500 8

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i VIRGINIA POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT l

MONTH:

Aucust YEAR:

1994 Approved:

I gp-stauon Manager

=

j r

l OPERATING DATA REPORT DOCKET NO..

50-338

(

DATE: September 2, 1994 CONTACT: J. A. Stall PHONE: (703) 894-2101 OPERATING STATUS 1.

Un i t N ame :................................ N o r t h Anna 1 2.

Deporting Period:........................ August 1994 3.

Licensed Thermal Power (MWt):.............

2,893 4 Nameplate Rating (Gross MWe):.............

994 5.

Design Electrical Rating (Net MWe):.......

907 6.

Maximum Deperdable Capacity (Gross MWe):..

948 7.

Maximum Dependable Capacity (Net MWe):,...

900 8.

If changes occur in capacity Ratings (!tems No. 3 thru 7) since last report, give reasons:_N/A 9.

Power level to which restricted, if any (het MWe): __N/A

10. Reasons for restrictions, if any:

N/A This Month Y-t-D Cumulatit e f

11. Hours in Reporting 'reriod........................

744.0 5,831.0 141,947.0

12. NLstber of Hours Reac tor was Cri ti cal....................

744.0 5,(>31.0 106,236.7

13. Reactor Reserve Shutdown Hours...........................

0.0 0.0 6,826.8

14. Hours Generator 0n-Line...........................

744.0 5,831.0 103,271.9

15. Unit Reserve Shutoown Hours...........

0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH)..................... 1,451,209.9 15,812,43*.4 274,264,667.8
17. Gross Electrical Energy Generated (MWH)...

476,985.0 5,213,330.0 90,128,687.0

18. Net Electrical Energy Generated (MWH)....................

444,679.0 4,946,363.0 85,352,948.0 l

19. Unit Service Factor.....................................

100.0%

100.0%

72.8%

20. Unit Availability Factor...............

100.0'I 100.0%

72.8%

21. Unit Capacity Factor (using MDC Net)...................

66.4%

94.3%

67.3%

22. Unit Capacity Factor (using DER Net)................

65.9%

93.5%

66.3%

23. Forced Outage Rate.......

0.0%

0.0%

10.2%

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each)_ Refueling, 09/09/94, 48 days l

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25. If Shutdown at end of Report Period, estimated time of Startup:_N/A
26. Units in Test Status (Prior to Commercial Operation):

)

Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION t

. ~..

m.

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AVERAGE DAILY UNIT POWER LEVEL i

Docket No.:

50-338 Unit:

NA-1 Date:

September 2, 1994

Contact:

J. A.

Stall Phone:

(703) 894-2101 i

MONTH:

Aucust 1994 DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER '

LEVEL (MWe-Ne t)

LEVEL (MWe-Net) 1 680 17 588 2

677 18 586 3

666 19 584 4

645 20 582 5

649 21 581 6

651 22 574 7

648 23 565 8

646 24 563 9

644 25 560 10 629 26 557 11 616 27 552 12 615 28 510 I

l 13 612 29 511-l 14 610 30 509 15 610 31 507 l

16

, 602

+

l Instructions:

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

Compute to the nearest j

whole megawatt.

l l

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l NORTH ANNA POWER STATION UNIT NO.:

1 f

MONTH:

August

SUMMARY

OF OPERATING EXPERIENCE l

Page 1 of 1 Listed below in chronological sequence is a

summary of operating l

experiences for this month which required load reductions or resulted in l

significant non-load related incidents.

l l

Date Time Data August 01, 1994 0000 Began month with unit at 76% power, 730 MWe in a

power coastdown for upcoming refueling outage.

j August 31, 1994 2400 Ended month with unit at 60.3% power, 550 MWe in a power coastdown for upcoming refueling l

outage.

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Page 1

of 1

i UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet Docket No.:

50-338 a

Report Month August Unit Name:

NA-1 I

Year:

1994 Date: September 2, 1994

Contact:

J.

A.

Stall 4

2

  • No entry this month.

4 1

4 i

a f

k 4

i 1

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1

UNIT SHUTDOWNS AND POWER ~ REDUCTIONS DOCKET NO.:

50-338

~

UNIT NAME:

NA-1 DATE: September 2, 1994 l

REPORT MONTH: August 1994 CONTACT:

J.

A.

Stall PHONE: (703) 894-2101 l

1 2

3 4

5 i

No.

Date Type Duration Reason Method of Licensee System Component Cause & Corrective (hrs)

Shutting Event Code Code Action to Down Reactor Report #

Prevent Recurrence 1

oNo entry this month.

1: Type 2: Reason 3: Method 4:

F= Forced A= Equipment Failure (explain) 1= Manual Exhibit F - Instructions S= Scheduled B= Maintenance or Test 2= Manual Scram for preparation of Data C= Refueling 3= Automatic Scram Entry Sheets for Licensee D= Regulatory Restriction 4= Continuations Event Report (LER) File E= Operator Training & License Examination 5= Load Reduction (NUREG-0161)

F= Administrative 9=Other G= Operational Error 5:

i H=Other (explain)

Exhibit H - Same Source y

.v-.

....-.2 v.

m

.m.

Q l

1 OPERATING DATA REPORT DOCKET No.:

50-339 DATE: September 2, 1994 CONTACT:

J. A. Stall PHONE: (703) 894-2101 OPERATING STATUS 1.

Uni t N ame:............................. N or t h Anna 2 2.

Reporting Period:....................... August 1994 3.

Licensed Thermal Power (MWt):.............

2893 4.

Nameplate Rating (Gross MWe):........

979 5.

Design Electrical Rating (Net MWe):.

907 6.

Maximum Dependable capacity (Gross MWe):..

935 1

7.

Maximum Dependable Capacity (Net MWe):....

887 l

8.

If changes occur in capacity Ratings (Items No. 3 thru 7) since last report, give reasons: _N/A I

i 9.

Power level to which restricted, if any (Net MWe): _ N/A

10. Reasons for restrictions, if any:

N/A l

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This Month Y-t-D Cumulative i

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11. Hours in Reporting Period.............................

744.0 5,831.0 120,215.0

12. Number of Hours Reactor was Critical....................

744.0 5,630.9 100,004.5

13. Reactor Reserve Shutdown Hours.........

0.0 95.7 6,508.9 l

14. Hours Generator on-Line................................

744,0 5,589.3 98,906.7

15. Unit Reserve Shutdown Hours.........

0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH)

.. 2,151,923.3 15,931,372.0 268,157,029.7 j

17. Gross Electrical Energy Generated (MWH)...

693,395.0 5,149,100.0 87,744,576.0 l

18. Net Electrical Energy Generated (MWH).........

658,355.0 4,892,638.0 83,942,339.0

19. Unit Service Factor.......

100.0%

95.9%

82.3%

20. Unit Availability Factor.....................

100.0%

95.9%

82.3%

l

21. Unit capacity Factor (using MDC Net)....

99.8%

94.6%

77.5%

22. Unit Capacity Factor (using DER Net).....

97.6%

92.5%

77.0%

23. Forced Outage Rate...........

0.0%

4.1%

5.3%

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):_ Refueling, 03/11/95, 60 days l

l

25. If Shutdown at end of Report Period, estimated time of Startup:

N/A

26. Units in Test Status (Prior to Commercial Operation):

Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION i

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. =.-

L AVERAGE DAILY UNIT POWER LEVEL Docket No.:

50-339 Unit:

NA-2 Dates September 2, 1994

Contact:

J.

A.

Stall Phone:

(703) 894-2101 J

MONTH:

Aucust 1994 l

i l

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

LEVEL L (MWe-Net) 1 884 17 886 2

884 18 886 3

883 19 886 4

883 20 886 5

883 21 886 6

886 22 888 7

886 23 890 8

886 24 889-9 885 25 885 10 885 26 885 11 884 27 885 12 879 28 885 13 884 29 884 r

i 14 883 30 884 s

i 15 884 31 885 16 886

)

Instructions:

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

Compute to the nearest l

whole megawatt.

l l

1 i

l

NORTH ANNA POWER STATION UNIT NO.:

2 MONTH:

August l

SUMMARY

_OF OPERATING EXPERIENCE Page 1 of 1 Listed below in chronological sequence is a summary of operating experiences for this month which required load reductions or resulted in l

significant non-load related incidents.

Date Time Data l

August 01, 1994 0000 Began month with unit at 100% power, 925 MWe.

August 12, 1994 0858 Commenced unit ramp-down for TVFT.

i l

0943 Unit stable at 91.5% power, 865 MWe for TVFT.

1023 TVFT completed satisfactorily.

1032 Commenced unit ramp-up to 100% power.

1136 Unit stable at 100% power, 926 MWe.

August 31, 1994 2400 Ended month with unit at 100% power, 930 MWe.

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Page 1

of 1

UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet Docket No.:

50-339 i

i l

Report Month August Unit Name:

NA-2 1

Year:

1994 Date: September 2, 1994

Contact:

J.

A.

Stall

  • No entry this month.

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r 1

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DOCKET NO.:

50-339 UNIT NAME:

NA-2 DATE: September 2,'1994 REPORT MONTH: August 1994 CONTACT:

J.

A.

Stall PHONE: (703) 894-2101 1

2 3

4 5

No.

Date Type Duration Reason Method of Licensee System Component Cause & Corrective (hrs)

Shutting Event Code Code Action to Down Reactor Report #

Prevent Recurrence UNIT SHUTDOWNS AND POWER REDUCTIONS

  • No entry this month.

1: Type 2: Reason 3: Method 4:

F= Forced A= Equipment Failure (explain) 1= Manual Exhibit F-Instructions S= Scheduled B= Maintenance or Test 2= Manual Scram for preparation of Data C= Refueling 3= Automatic Scram Entry Sheets for Licensee D= Regulatory Restriction 4= Continuations Event Report (LER) File E= Operator Training & License Examination 5= Load Reduction (NUREG-0161)

F= Administrative 9=Other G= Operational Error 5:

H=Other (explain)

Exhibit H - Same Source

.