ML20199C878

Monthly Operating Repts for Dec 1998 for North Anna Power Station,Units 1 & 2.With

ML20199C878
Person / Time
Site:	North Anna
Issue date:	12/31/1998
From:	Matthews W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
99-013, 99-13, NUDOCS 9901190169
Download: ML20199C878 (9)

Text

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VinoINIA Ex.ecTRIC AND Powen COMPANY RIcnwonn, VIRGINIA 23261 January 8,1999 United States Nuclear Regulatory Commission Serial No.99-013 Attention: Document Control Desk NAPS /JHL Washington, D. C. 20555 Docket Nos.

50-338 50-339 License Nos. NPF-4 NPF-7 Gentlemen:

VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNIT NOS.1 AND 2 MONTHLY OPERATING REPORT Enclosed is the December 1998 Monthly Operating Report for North Anna Power ~

Station Units 1 and 2.

Very truly yours, duA?4/

W. R. Matthews Site Vice President Enclosure Commitments made in this letter: None.

cc:

U. S. Nuclear Regulatory Commission Region ll Atlanta Federal Center

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glf 61 Forsyth St., SW, Suite 23T85 Atlanta, Georgia 30303 Mr. M. J. Morgan NRC Senior Resident inspector North Anna Power Station 9901190169 991231 PDR ADOCK 05000338 R

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e VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT DECEMBER 1998 I

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l Approved; Site Vice President Date Q

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l OPERATING DATA REPORT i

Docket No.: 50-338 i

Date: 01/05/99

Contact:

W. R. Matthews Telephone: (540) 894-2101 1.

Unit Namen North Anna Unit 1 2.

Reporting Period:...

December,1998 3.

Licensed Thermal Power (MWt):.

2,893 4.

Nameplate Rating (Gross MWe):...

979.74 5.

Design Electrical Rating (Net MWe)::

907 6.

Maximum Dependable Capacity (Gross MWe):

940 7.

Maximum Dependable Capacity (Net MWe):...

893 8.

If Changes Occur in Capacity Ratings (items Number 3 Through 7) Since Last Report, Give Reasons:

N/A l

9.

Power Level To Which Restricted, if Any (Net MWe): N/A 10.

Reasons For Restrictions, if Any:

N/A This Month Year-To-Date Cumulative i

11. Hours in Reporting Period 744.0 8,760.0 179,940.0 i

12. Hours Reactor Was Critical 744.0 8,170.2 141,425.2

13. Reactor Reserve Shutdown Hours 0.0 39.2 7,134.2

14. Hours Generator On-Line 744.0 8,092.4 138,259.8

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0 l

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16. Gross Thermal Energy Generated (MWH) 2,151,717.5 23,160,556.4 373,695,028.9

17. Gross Electrical Energy Generated (MWH) 715,835.0 7,587,217.0 159,757,870.0 t

18. Net Electrical Energy Generated (MWH) 682,440.0 7,217,055.0 116,361,238.0

19. Unit Service Factor 100.0 %

92.4 %

76.8 %

20. Unit Availability Factor 100 0%

92.4%

76.8 %

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21. Unit Capacity Factor (Using MDC Net) 102.7 %

92.3 %

72.4 %

22. Unit Capacity Factor (Using DER Net) 101.1 %

90.8 %

71.3 %

23. Unit Forced Outage Rate 0.0%

0.7%

7.9%

24.

Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

N/A 25.

If Shut Down at End of Report Period, Estimated Date of Start-up:

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Unit in Test Status (Prior to Commercial Operation):

FORECAST ACHIEVED l

INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION

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AVERAGE DAILY UNIT POWER LEVEL Docket No.: 50-338 Unit Name: North Anna Unit 1 Date: 01/05/99

Contact:

W. R. Matthews Telephone: (540) 894-2101 MoWrH:

December,1998 Average Daily Power Level Average Daily Power Level Day (MWe - Net)

Day (MWe - Net) l 1

919 17 904 l

2 919 18 916 3

920 19 918 4

919 20 919 t

5 919 21 919 6

919' 22 918 7

918 23 918 8

918 24 918 I

9 918 25 918 I

10 918 26 918 I

11 919 27 918 i

12 919 28 918 13 919 29 915 14 912 30 915 t

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15 916 31 911 1

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i 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.

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r Docket No.: 50-338 Unit Name: Nortt Ama Unit i Date: 01/0N99

Contact:

W. F. t/httM.ws Telephone: (540,8344t01 NORTH ANNA POWER STATION

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UNIT NO.: _1 i

f.10 NTH December 1998

SUMMARY

OF OPERATING EXPERIENCE Page 1 of 2 Listed below in chronological sequence is a summary of operating experiences for this month which required load k

reductions or resulted in significant non-load related incidents.

DAlf 3 22 ER!8 December 1,1998 0000 Began the month in Mode 1,100% power,964 MWe.

December 14,1998 0057 Ramped Unit 1 to 95% power,921 MWe for condenser water box maintenance.

0300 Condenser water box maintenance complete. Ramped Unit 1 to 100% power,959 MWe.

December 31,1998 2400 Ended month in Mode 1,100% power,963 MWe.

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Docket No.: 50-338 Unit Name: North Anna Unit 1 Date: 01/05/99 j

Contact:

W. R. Matthews Te'ephone: (540) 894-2101 UNIT SHUTDOWN AND POWER REDUCTION (EcuALTo OR GREATER THAN 20%)

REPORT MONTH: December,1998 (1)

(2)

(3)

(4)

(5)

Method f

Duration of LER No.

System Component Cause & Corrective Action Date Type Hours Reason Shutting Code Code to Prevent Recurrence Down Reactor e

None during the reporting period.

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(1)

(2)

(3)

F: Forced REASON:

METHOD:

S: Scheduled A-Equipment Failure (Explain) 1 - Manual B-Maintenance or Test 2-Manual Scram C-Refueling 3-Automatic Scram D-Regulatory Restriction 4

Other (Explain)

E-Operator Training & Licensing Examination F-Administrative G - - Operational Error (Explain)

(4)

(5)

Exhibit G Instructions for Preparation of Data Entry Sheets Exhibit 1 - Same Source for Licensee Event Report (LER) File (NUREG 0161)

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OPERATING DATA REPORT Docket No.: 50-339 Date: 01/05/99

Contact:

W. R. Matthews Telephone: (540) 894-2101 1.

Unit Name:-

North Anna Unit 2 2.

Reporting Period:-

December,1998 3.

Licensed Thermal Power (MWt):-

2,893 4.

Nameplate Rating (Gross MWe):

979 5.

Design Electrical Rating (Net MWe)::

907 6.

Maximum Dependable Capacity (Gross MWe):..

944 7.

Maximum Dependable Capacity (Net MWe):

897 8.

If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report, Give Reasons:

N/A f

9.

Power Level To Which Restricted, if Any (Net MWe): N/A 10.

Reasons For Restrictions,if Any:

N/A This Month Year-To-Dalf Cumulative 11.

Hours in Reporting Period 744.0 8,760.0 158,208.0 12.

Hours Reactor Was Critical 744.0 0,073.0 133,788.2 13.

Reactor Reserve Shutdown Hours 0.0 57.3 7,241.5 14.

Hours Generator On-Line 744.0 8,051.1 132,573.3 15.

Unit Reserve Shutdown Hours 0.0 0.0 0.0 16.

Gross Thermal Energy Generated (MWH) 2.151,182.6 22,933,515.7 363,726,695.7

'17.

Gross Electrical Energy Generated (MWH) 701,755.0 7,454,402.0 118,956,916.0 18.

Net Electrical Energy Generated (MWH) 668,434.0 7,086,105.0 113.614,073.0 19.

Unit Service Factor 100.0 %

91.9 %

83.8 %

20.

Unit Availability Factor 100.0 %

91.9 %

83.8 %

21.

Unit Capacity Factor (Using MDC Net) -

100.2 %

90.2 %

79.9 %

22.

Unit Capacity Factor (Using DER Net) 99.1 %

89.2 %

79.2 %

23.

Unit Forced Outage Rate 0.0%

0.3%

4.8%

24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):

None

25. If Shut Down at End of Report Period, Estimated Date of Start-up:

N/A

26. Unit 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 l

Docket No.: 50-339 Unit Name: North Anna Unit 2 Date: 01/05/99

Contact:

W. R. Matthews Telephone: (540) 894-2101 MONTH:

December,1998 I

i Average Daily Power Level

~ Average Daily Power Level t

Day (MWe - Net)

Day (MWe Net)'

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1 900 17 898 l

2 900 18 899 i

3 9N 19 899 i

4 900 20 899 l

5 900 21 899 j

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900 22 890 1

7 899 23 897 8

899 24 898

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899 25 898 c

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10 899 26 897

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11 900 27 898 l

12 900 28 898

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13 900 29 897 14 899 30 897 l

15 897 31 898 16 898 l-INSTRUCTIONS -

l On this format, list the average daily unit power levelin MWe Net for each day in the reporting month. Compute to the nearest whole megawatt.

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Docket No.: 50-339 Unit Name: North Anna Unit 2 Date:

01/05/99

Contact:

W. R. Matthews Telephone: (540) 894-2101 NORTH ANNA POWER STATION UNIT NO.:_2 MONTH: December 1998

SUMMARY

OF OPERATING EXPERIENCE Page 1 of 1 Listed below in chronological sequence is a summary of operating experiences for the month which required load reductions or resulted in significant non-load related incidents.

Dalt Ilmt Etta December 1,1998 0000 Began the month in Mode 1,100% power,945 MWe, December 22,1998 1020 Ramped Unit 2 to 91% power,867 MWe for Turbine Valve Freedom Testing (TVFT).

1654 TVFT completed satisfactorily. Ramped Unit 2 to 100% power,942 MWe.

December 31,1998 2400 Ended the month in Modo 1,100% power,942 MWe.

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~e Docket No.: 50-339 1

Unit Name: North Anna Unit 2 r

Date: 01/05/99

Contact:

W. R. Matthews Telephone: (540) 894-2101 UNIT SHUTDOWN AND POWER REDUCTION (EouALTo oR GREATER THAN 20%)

REPORT MONTH: December,1998 (1)

(2)

(3)

(4)

(5)

Method i

Duration of LER No.

System Component Cause & Corrective Action Date Type Hours Reason Shutting Code Code to Prevent Recurrence Down Rx None during the reporting period.

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(1)

(2)

(3)

F: Forced REASON:

METHOD:

S: Scheduled A-Equipment Failure (Explain) 1 Manual i

B-Maintenance or Test 2-Manual Scram C-Refueling 3-Automatic Scram D-Regulatory Restriction 4-Other (Explain) j E-Operator Training & Licensing Examination F-Administrative G-Operational Error (Explain)

(4)

(5) l.

Exhibit G Instructions for Preparation of Data Entry Sheets Exhibit 1 - Same Source j

for Licensee Event Report (LER) File (NUREG 0161) j l-

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