ML20217D685

Monthly Operating Repts for Sept 1999 for North Anna Power Station,Units 1 & 2.With 991008 Ltr

ML20217D685
Person / Time
Site:	North Anna
Issue date:	09/30/1999
From:	Matthews W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
99-516, NUDOCS 9910180088
Download: ML20217D685 (10)

Text

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Vinoisir EimcTunc AND POWER CONH%NY Ricusu> sin, hGINI A 23261

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October 8,1999 i

United States Nuclear Regulatory Commission Serial No.99-516 ,

Attention: Document Control Desk NAPS /JHL Washington, D. C. 20555 Docket Nos. 50-338 i 50-339 l License Nos. NPF-4  !

NPF-7 )

i Gentlemen:

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VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNIT NOS.1 AND 2 l

MONTHLY OPERATING REPORT

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Enclosed is the September 1999 Monthly Operating Report for North Anna Power Station Units 1 and 2.

Very truly yours, OMM~

W. R. Matthews I

Site Vice President i i

Enclosure  !

Commitments made in this letter: None.

cc: U. S. Nuclear Regulatory Commission Region ll l Atlanta Federal Center 61 Forsyth St., SW, Suite 23T85 Atlanta, Georgia 30303 Mr. M. J. Morgan i NRC Senior Resident inspector.

North Anna Power Station

/@Y l 9910100088 DR 990930 ADOCK 05000338 PDR un

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i VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT SEPTEMBER 1999 i

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i Approved: N /d Site Vice President D'afo '

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OPERATING DATA REPORT Docket No.: 50-338 Date: 10/05/99

Contact:

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

1. Unit Name:. ........ . . . . , . . . . . . . . . . North Anna Unit 1

2. Reporting Periodt __ _ _ _ . _ - - . . . September,1999 3.~ Licensed Thermal Power (MWt):- 2,893

4. ~ Nameplate Rating (Gross MWe): .. . .. ..... ... ... 979.74 I

5. Design Electrical Rating (Net MWe):. ..... . . ... .. 907

6. Maximum Dependable Capacity (Gross MWe): . 940

7. Maximum Dependable Capacity (Net MWe): 893

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

N/A

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

10. Reasons For Restrictions,if Any: N/A This Month Year To-Date Cumulative

11. Hours in Reporting Period 720.0 6,551.0 186,491.0

12. Hours Reactor Was Critical 720.0 6,551.0 147,976.2

13. Reactor Reserve Shutdown Hours 0.0 0.0 7,134.2

14. Hours Generator On-Line 720.0 6,551.0 144,810.8

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 2,061,896.1 18,875,605.9 392,570,634.8

17. Gross Electrical Energy Generated (MWH) 699,369.0 6,360,567.0 166,118,437.0

18. - Net Electrical Energy Generated (MWH) 665,396.0 6,057,313.0 122,418,551.0

19. Unit Service Factor 100.0 % 100.0 % 77.7 %

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20. Unit Availability Factor 100.0 % 100.0 % 77.7 %

21. Unit Capacity Factor (Using MDC Net) 103.5 % 103.5 % 73.4 %

22. Unit Capacity Factor (Using DER Net) 101.9 % 101.9 % 72.4 %

23. Unit Forced Outage Rate 0.0% 0.0% 7.5% ,

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

30 day refuelina outage scheduled in March 2000

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

26. Unit In Test Status (Prior to Commercial Operation):

FORECAST ACHIEVED INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION i

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AvERAos DAILY UNIT POWER LEVEL Docket No.: 50-338 Unit Name: North Anna Unit 1  !

Date: 10/05/99 d

Contact:

W. R. Matthews  ;

Telephone: (540) 894 2101 l MONTH: . September,1995 Average Daily Power Level Average Daily Power Level Day (MWe Net) Day (MWe - Net) 1' 932 17 937 2 933 18 935 I 1

-3 933 19 934  :

-4 932 20 935 5 932 21 935 6 933 22 936 7 933 23 936 8 933 24 936 9 932 25 935 10 926 26 936 11 932 27 936 12 662 28 935 13 923 29 933 14 932 30 933 15 932 31 16 -934 INSTRUCTIONS On this format, list the average daily unit power level in MWe Net for each day in the reporting month. Compute to l the nearest whole megawatt.'

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.. .t Docket No.: 50-338 Unit Name: North Anna Unit 1 Date: 10/05/99

Contact:

W. R. Matthews Telephone: (540) 894-2101 NORTH ANNA POWER STATION UNIT NO.:.1 MONTH: September 1999

SUMMARY

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

1 agte Illng Data September 1,1999 0000 Began the month in Mode 1,100% power,979 MWe.

September 10,1999 2200 Ramped down to 91.3% power,870 MWe for turbine valve freedom test.

September 11,1999 0355 Ramped unit back to 100% power,979 MWe following completion of turbine valve freedom test.

September 12,1999 0724 Commenced ramping unit to 59% power due to ioes of power to the generator output breaker G-12 cooling pumps.

September 13,1999 0320 Completed ramping unit to 100% power,979 MWe following repair to generator output breaker G-12 cooling pumps.

September 30,1999 - 2400 Ended the month in Mode 1,100% power,982 MWe.

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Docket No.: 50-338 Unit Name: North Anna Unit 1 1 Date: 10/05/99 I

Contact:

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

UNIT SHUTDOWN AND POWER REDUCTION (EQUALTo oR GREATER THAN 20%)

REPORT MONTH: September,1999 (1) (2) (3) (4) (5)

Method Duration of LER No. System Component Cause & Corrective Action ,

Date Type Hours Reason Shutting Code Code to Prevent Recurrence i Down Reactor 9-12-99 F 19.9 A 4 NA NA NA NA On Se;%mber 12,1999, at 0225 hours0.0026 days <br />0.0625 hours <br />3.720238e-4 weeks <br />8.56125e-5 months <br />, Unit 1 was ramped down to 59% power due to loss of ; swer to the generator output Laaker G-12 cooling pumps. On September 13,1999, at 0320 hours0.0037 days <br />0.0889 hours <br />5.291005e-4 weeks <br />1.2176e-4 months <br />, Unit 1 was rampea to 100% power, 979 MWe following repair to generator output breaker G-12 cooling purnps.

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i (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 Scmm D- Regulatory Restriction 4- Other (Explain)

E- Operator Training & Licensing Examination F- Administrative ,

G- Operational Error (Explain) '

(4) (5)

Exhibit G -Instructions for Prept stion of Data Entry Sheets . Exhibit 1 Same Source for Licensee Event Report (LER) File (NUREG 0161) e ,_

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OPERATING DATA REPORT.

Docket No.: 50-339 Date: 10/05/99 l

Contact:

- W. El. Matthews Telephone: (540) 894-2101

' 1.' Unit Name:.. ......... ... ... .. . North Anna Unit 2 '

2.' Reporting Perio+- _ . . . . _ .

September,1999  !

3. Licensed Thermal Power (MWt):.. . .. .. 4.... . 2,893 ,

4. Nameplate Rating (Gross MWe)

' ............ 979  !

5. Design Electrical Rating (Not t 4We);... ..... . 907 8

' 6. Maximum Dependable Capacity (Gross MWe): .. 944

7. . Maximum Depenc%ble Capacity (Net MWe): ... . . 897 j

8. If Changes Occur in Capacity Ratings (items Number 3 Through 7) Since Last Peport, Give Reasons: -

N/A s

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9. ' Power Level To Which Restricted, if Any (Net idWe): N/A

' 10. , Reasons For Restrictions, if Any: N/A ' l J

! Thlg Month Year-To-Date . Cumulative l' 11. Hours in Reporting Period J 720.0 - 6,551.0 164,759.0 l l 12. Hours Reactor Was Critical 266.6 6,097.6 139,895.8

13. Reactor Reserve Shutdown Hours 15.1

.f 15.1 7,256.6 '

L 14. Hours Generator On-Line 265.5 6,096.5 138,639.8 i' 15. Unit Reserve Shutdown Hours . 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) . 656,109.3 17,438,188.7 381,164,884.4 j

.17. . Gross Electrical Energy Generated (MWH) 218,242.0 5,758,293.0 124,715,209.0 l

18. Net Electrical Energy Generated (MWH) 206,110.0 5,476,604 0 119,090,677.0 L - 19. Unit Service Factor 36.9 % 93.1 % 84.2 %

j 20. Unit Availability Factor l 36.9 % 93.1 % 84.2 % -j i- 21. Unit Capacity Factor (Using MDC Net) 31.9 % 93.2 % 80.4 % )

l 22. . Unit Capacity Factor (Using DER Net) 31.6 % 92.2 % 79.7 % l h 23." ' Unit Forced Outage Rate 0.0% 0.0% 4.6%

24; Shutdowns Scheduled Over N xt 6 Months (Type, Date, and Duration of Each):

25. - h SNt Down at End of Report Period, Estimated Date of Otart-up: October 8,1999

. 26. Unit In Test Status (Prio'r to Commercial Operation):

FORECAST ACHIEVED INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION 1

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l- AVERAGE DAILY UNIT POWER LEVEL Docket No.: 50-339 Unit Name: North Anru Unit 2 Date: 10/05/99

Contact:

W. R. Matthews l Telephone: (540) 894-2101-MONTH: September,1999 l

Average Daily Power Level Average Daily Power Level Day - (MWe - Net) Day (MWe Net) 1 808 17 000 2 802 18 000 3- 800 19 000 l

4 797 20 000 5 788 21 000 6 783 22 000 7 780 23 000 8 774 _

24 000 9 ,,

763 25 000 10 761 26 000 11 727 27 '

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12 005 28 000 13- 000 29 000 14 000 M 000 15 000 31 000 16 000 l

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INSTRUCTIONS 1'

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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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• Docket No.: 50-339 Unit Name: North Anna Unit 2 Date: 10/05/99

Contact:

W. R. Mattnews  !

Telephone: (540) 894-2101 i NORTH ANNA POWER STATION j l

UNIT NO.:,2 <

MONTH: September 1999

SUMMARY

OF OPERATING EXPERIENCE l Page 1 of 1 Usted 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. j l

DBit IllD.t ERIE Septerrber 1,1999 0000 Began the month in End of Ufe Power Coastdown, Mode 1, 90.2% power,863 MWe.

September 11,1999 2100- Commenced ramp down for refueling outage. Unit at 83%

power,803 MWe. i September 12,1999 0132 Main generator output breaker opan for beginning of a scheduled refueling outage.

September 30,1999 2400 Ended the month in Mode 6.

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I Docket No.: 50-339

• Unit Name: North Anna Unit 2 Date: 10/05/99

Contact:

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

REPORT MONTH: September,1999 (1) (2) (3) (4)- (5)

Method Duration of LER No. System Component Cause & Corrective Action Date - Type Hours Reason Shutting Code Code to Prevent Recurrence t Down Rx 9-12-99 S 454.5 C 1 NA NA NA NA  !

(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 Examinat on 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)