ML20151W471

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

ML20151W471
Person / Time
Site:	North Anna
Issue date:	08/31/1998
From:	Matthews W VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
98-537, NUDOCS 9809150327
Download: ML20151W471 (10)

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VIRGINIA ELucTRIC AND PownH COMI%NY Ricnwonn,VIROINIA 20261 September 10,1998 United States Nuclear Regulatory Commission Serial No.98-537 A.ttention: Document Control Desk NAPS /JHL Washington, D. C. 20555 Docket Nos. 50-338 50-339 License Nos. NPF-4 NPF-7 Gentlemen:

VIRGINlA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION UNIT NOS.1 AND 2 MONTHLY OPERATING REPORT

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Enclosed is the August 1998 Monthly Operating Report for North Anna Power Station Units 1 and 2.

I Very truly yours, it W. R. Matthews l Site Vice President Enclosure l Commitments made in this letter: None.

cc: U. S. Nuclear Regulatory Commission

! Region ll l Atlanta Federal Center

! 61 Forsyth St., SW, Suite 23T85 I Atlanta, Georgia 30303 i

. Mr. M. J. Morgan NRC Senior Resident Inspector North Anna Power Station , ,t 98091503P.7 900831 l, PDR ADOCK 05000338 /)'Y R PDR

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VIRGINIA ELECTRIC AND POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT l AUGUST 1998 i

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Approved: , M Site Vice President N/ 3-%-)[

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i l OPERATING DATA REPORT Docket No.: 50-338 Date: 09/05/98  !

Contact:

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

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

2. . Reporting Period:. August,1998 l 3. Licensed Thermal Power (MWt): 2,893

4. Nameplate Rating (Gross MWe): . 979.74 ,

5. Design Electrical Reting (Net MWe): 907  !

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

7. Maximum Dependable Capacity (Net MWe): 893 j

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

N/A i

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

10. teasons For Restrictions, if Any: N/A l

t This Month Year-To-Date Cumulative '

11, Hours in Reporting Period 744.0 5,831.0 177,011.0

12. Hours Reactor Was Critical 744.0 5,831.0 139,086.0

13. Reactor Reserve Shutdown Hours 0.0 0.0 7,095.0

14. Hours Generator On-Line 744.0 5,773.0 105,940.4 l l 15. Unit Reserve Shutdown Hours 0.0 0.0 0.0 I

16. Gross Thermal Energy Generated (MWH) 2,151,925.9 16,585,792.3 367,120,264.8

17. Grots Electrical Energy Generated (MWH) 698,157.0 5,405,352.0 157,576,005.0

18. Net ElecW ul E,crgy Generated (MWH) 663,578.0 5,140,085.0 114,284,268.0 i 19. Unit Service Factor 100.0 % 99.0 % 76.8 %

20. Unit Avallability Factor 100.0 % 99.0 % 76.8 %

21. Unit Capacity Factor (Usirig MDC Net) 99.9% 98.7 % 72.2 %

22. Unit Capacity Factor (Using DER Net) 98.3 % 97.2%

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71.2 %

23. Unit Forced Outage Rate 0.0% 1.0% 8.0%

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

Refueling, September 13.1998, 35 Dyys j 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):

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FORECAST ACHIEVED I

I INITIAL CRITICALITY

, INITIAL ELECTRICITY COMMERCIAL OPERATION l

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

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

Date: 09/05/98 l

Contact:

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

MONTH: August,1998 l

l Average Daily Power Level Average Daily Power Level Day (MWe - Net) Day (MWe - Net) '

1 895 17 890 2 895 18 890 l 3 895 19 891 4 894 20 893 l

5- 894 21 892 6 894 22 892 7 894 .23 891 8 893 24 891

! 9 894 25 890 t

l 10 894 26 889 l

l 11 692 _-

27 888 12 893 28 891 13 891 29 892 l 14 890 30 892 i

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15 891 31 891 l 16 890 INSTRUCTIONS i.

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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l Docket No.: 50-338 UnR Name: Nodh Anna Unit i

l. Date: 09/05/98

Contact:

W. R. Matthews Telephone: (540) 894-2101 NORTH ANNA POWER STATION I UNIT NO.: j, .,

MONTH: August 1998

SUMMARY

OF OPERATING EXPERIENCt!

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Usted below in chronological sequence is a surnmary of operating experiences for this month which required load I reductions or resulted in significant ncn-load related incidents. l l

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August 01,1998 0000 Began month in Mode 1, at 100% power,938 MWe.

August 31,1998 2400 Ended the month in Mode 1, at 100% power, 933 MWe.

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Docket No.: 50-338 Unit Name: North Anna Unit 1 Date: 09/05/98

Contact:

W. R. Matthews Telephone: (540)894-2101 UNIT SHUTDOWN AND POWER REDUCTION (EQuALTo on GnEATEn THAN 20%)

REPORT MONTH: August,1998 (1) (2) (3) (4) (5)

Method Duration of LER No. System Component Cause & Conective Action Date Type Hours Reason Shutting Code Code to Prevent Recurrence Down l Reactor NA NA NA NA NA NA NA NA NA I

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 i 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) 1 i

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l OPERATING DATA REPORT Docket No..: 50-339 Date: 09/05/98 I

Contact:

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

1. Unit Name: ,

Nortn Anna Unit 2 l

2. Reoorting Period;. , August,1998  !

3. Licensed Therrnal Power (MWt): . 2,893 I

4. Narneplate Rating (Gross MWe): ,

979  ;

5. Design Electrical Rating (Net MWe): 907

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

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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

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 11, Hours in Reporting Period 744.0 5,831.0 -155,279.0

12. Hours Reactor Was Critical 744.0 5,160.8 130,876.0

13. Reactor Reserve Shutdown Hours 0.0 40.9 7,225.1

.14. Hours Generator On-Line 744.0 5,142.6 129,664.8

15. Unit Reserve Shutdown Hours 0.0 0.0 0.0

16. Gross Thermal Energy Generated (MWH) 2,152,044.6 14,533,457.5 355,326,637.5

17. Gross Electrical Energy Generated (MWH) 695,636.0 4,723,164.0 116,225,678.0

18. Net Electrical Energy Generated (MWH) 660,784.0 4,487,445.0 111,015,413,0

19. Unit Service Factor 100.0 % 88.2 % 83.5 %

20. Unit Availability Factor 100.0 % 88.2 % 83.5 %

l 21. Unit Capacity Factor (Using MDC Net) 99.0 % 85.8 % 79.5 %

! 22. Unit Capacity Factor (Using DER Net) 97.9 % 84.8 % 78.8 %

23. Unit Forced Outa9e Rate 0.0% 0.0% 4.9%

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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 l l

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

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, FORECAST ACHIEVED INITIAL CRITICALITY

! INITIAL ELECTRICITY 3'

COMMERCIAL OPERATION 1

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AVERAGE DAILY UNIT POWER LEVEL Docket No.: 50-339 Unit Name: North Anna Unit 2 Date: 09/05/98

Contact:

W. R. Matthews Telephone. (540) 894-2101 MONTH: August,1998 Average Daily Power Level Average Daily Power Level Day (MWe - Net) Day (MWe - Net) 1- 888 17 888 2 890 18 887 5 l

3 891 19 889 i 4 891 20 890 I 4

5 890 21 889 i

6 890 22 890 I 1

7 889 23 888 i

8 888 24 887 l

9 888 25 887 10 888 26 886 11 889 27 885

. 12 889 28 887 0 13 888 29 886 14 888 30 886 15 888 31 886 16 888 _

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INSTRUCTIONS

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

to the nearest whole megawatt.

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Docket No.: 50-339 Unit Name: North Ama Unit 2 Date: 09/05/98

Contact:

W. R Matthews Telephone: (540) 894-2101 NORTH ANNA POWER STATION UNIT No.:2 MONTH: August 1998 l

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.

Date Time t ga,ta August 1,1998 0000 Began the month in Mode 1,92% power,872 MWe. Turbine Valve Freedom l Test (TVFT)in progress.  !

l 0014 TVFT completed satisfactorily.

0045 Ramped unit to 100% power,931 Mwe.

August 31,1998 2400 Ended the month in Mode 1,100% power,933 MWe.

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1 Docket No.: 50-339 I Unit Name: North Anna Unit 2 Date: 09/05/98

Contact:

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

REPORT MONTH: August,1998 (1) (2) (3) (4) (5)

Method Duration of LER No. System Component Cause & Corrective Action Date Type Hours Reason Shutting Code Code to Preven,t 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 B- Maintenance or Test 2- Manual Scram C- Refueling 3- Automatic Scram D- Regulatory Restriction 4 -' Other (Explain)

E- Operator Training & Licensing Examination

i. 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) 4 4

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