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{{Adams
| number = ML20072D710
| issue date = 07/31/1994
| title = Monthly Operating Repts for July 1994 for North Anna Power Station Units 1 & 2
| author name = Ohanlon J, Stall J
| author affiliation = VIRGINIA POWER (VIRGINIA ELECTRIC & POWER CO.)
| addressee name =
| addressee affiliation = NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
| docket = 05000338, 05000339
| license number =
| contact person =
| document report number = 94-461, NUDOCS 9408190199
| document type = MONTHLY OPERATING ANALYSIS REPORT, TEXT-SAFETY REPORT
| page count = 12
}}

=Text=
{{#Wiki_filter:1 o
. ViumNIA HLECTRIC AND POWER CObWANY l i
li t e n x ox n, VI H OINI A 20261 August 10, 1994 U. S. Nuclear Regulatory Commission Serial No. 94-461 Attention: Document Control Desk NL&P/GSS 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 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 July 1994.
Very truly yours, d,y>w b Le
' ames P. O'Hanlon Senior Vice President - Nuclear Enclosure cc: U.S. Nuclear Regulatory Commission Region 11 101 Marietta Street, NW Suite 2900 Atlanta, GA 30323 Mr. R. D. McWhorier NRC Senior Resident Inspector North Anna Power Station Mr. John P. Edwards Old Dominion Electric Cooperative 4201 Dominion Blvd,3rd Floor Glen Allen, Virginia 23060 i C!!) P,7 Q '
9408190199 94o733 1
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VIRGINIA POWER COMPANY NORTH ANNA POWER STATION MONTHLY OPERATING REPORT MONTH: Julv YEAR: 1994 Approved:
d Station Manager

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1 OPERATING DATA REPO3T DOCKET NO.: 50-338 DATE: August 5, 1994 CONTACT: J. A. Stall PHONE: (703) 894-2101 OPERATING STATUS
: 1. Unit Name:................................ North Anna 1
: 2. Reporting Period:......................... July 1994
: 3. Licensed Thermal Power (MWt):............. 2,893
: 4. Nameplate Rating (Gross MWe):... ..... ... 994
: 5. Design Electrical Rating (Net MWe):....... 907
: 6. Maximum Dependable capacity (Gross MWe):.. 948
: 7. Maximum Dependable Capacity (Net MWe): ... 900
: 8. If changes occur in Capacity Ratings (Items No. 3 thru 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 Y-t D Cumulative
: 11. Hours in Reporting Period........ .... ............. .... 744.0 5,087.0 141,203.0
: 12. Number of Hours Reactor was critical. ..... ..... .... .. 744.0 5,087.0 105,492.7
: 13. Reactor Reserve Shutdown Hours................ .......... 0.0 0.0 6,826.8
: 14. Hours Generator On-Line.... ................... ....... . 744.0 5,087.0 102,527.9
: 15. Unit Reserve Shutdown Hours.. ........ ..... .. ....... 0.0 0.0 0.0
: 16. Gross Thermal Energy Generated (MWH)...... ...... . .... 1,820,747.3 14,361,221.5 272,813,457.9
: 17. Cross Electrical Energy Generated (MWH)... . .. . . . ... . .... 600,165.0 4,736,345.0 89,651,702.0
: 18. Net Electrical Energy Generated (MWH)..... .............. 565,845.0 4,501,684.0 84,908.269.0
: 19. Unit Service factor.. ......... ..... ...... .......... . 100.0% 100.0% 72.6%
: 20. Unit Availability Factor................. ............... 100.0% 100.0% 72.6%
: 21. Unit capacity Factor (using MDC Net)............... ... . 84.5% 98.3% 67.3% I
: 22. Unit Capacity Factor (using DER Not).. ... .............. 83.9% 97.6% 66.3%
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: 23. Forced Outage Rate............ .... ...... ............ 0.0% 0.0% 10.3%
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: 24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each)_ Refueling, 09/09/94, 48 days 25.'If Shutdown at end of Report Period, estimated time of Startup:_N/A
: 26. Units in Test Status (Prior to Consnercial Operation):
Forecast Achieved INITIAL CRITICALITY j l
INITIAL ELECTRICITY COMMERCIAL OPERATION

AVERAGE DAILY UNIT POWER LEVEL Docket No.: 50-338 Unit: NA-1 Date: August 5, 1994

==Contact:==
J. A. Stall Phone: (703) 894-2101 MONTH: July 1994 DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Net) LEVEL (MWe-Net) 1 846 17 748 2 833 18 745 3 831 19 745 4 828 20 742 5 824 21 737 6 821 22 716 7 818 23 717 8 810 24 714 9 790 25 712 10 789 26 710 11 785 i 27 708 12 783 28 691 13 780 29 687 14 777 30 685 ;
15 774 31 683 l 16 748 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.

l NORTH ANNA POWER STATION
~
UNIT NO.: 1 MONTH: Julv

==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 significant non-load related incidents.
Date Time Data July 01, 1994 0000 Began month with unit at 96% power, 905 MWe in a power coastdown for upcoming refueling outage.
July 31, 1994 2400 Ended month with unit at 76% power, 730 MWe in a power coastdown for upcoming refueling outage.
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Page 1 of 1 )
UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet 1
Docket No.: 50-338 '
Report Month Julv Unit Name: NA-1 Year: 1994 Date: August 5, 1994

==Contact:==
J. A. Stall
*No entry this month.

UNIT SHUTDOWNS AND POWER REDUCTIONS -
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DOCKET NO.: 50-338 UNIT NAME: NA-1 DATE: August 5, 1994 REPORT MONTH: July 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
*No entry this month.
1: Type 2: Reason 3: Method 4:
F= Forced A= Equipment Failure (explain) 1= Manual Exhibit F - I-ntructions 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

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.* OPERATING DATA REPORT DOCKET NO.: 50-339 DATE: August 5, 1994 CONTACT: J. A. Stall PHONE: (703) 894-2101 OPERATING STATUS
: 1. Unit Name: ......................... ... North Anna 2
: 2. R epor t i ng Per i od : . . . . . . . . . . . . . . . . . . . . . . . . J u l y 1994
: 3. Licensed Thermal Power (MWt):........ .. . 2893
: 4. Nameplate Rating (Gross MWe):... ....... . 979
: 5. Design Electrical Rating (Net MWe):.. .... 907
: 6. Maxirum Dependable Capacity (Gross MWe):.. 935
: 7. Maximum Dependable Capacity (Net MWe):. . 887
: 8. If changes occur in Capacity Ratings (!tems No. 3 thru 7) since last report, give reasons: __N/A I
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: 9. Power level to which restricted, if any (Net MWe): ___N/A
: 10. Reasons for restrictions, if any: N/A This Month Y-t-D Cumulative l
: 11. Hours in Reporting Period.................. . ........... 744.0 5,087.0 119,471.0
: 12. Number of Hours Reactor was Cri t ical . . . . . . . . . . . . . . . . . . . 744.0 4,886.9 99,260.5
: 13. Reactor Reserve Shutdown Hours........ . . ... ......... 0.0 95.7 6,508.9
: 14. Hours Generator On Line.................................. 744.0 4,845.3 98,162.7
: 15. Unit Reserve Shutdown Hours.............................. 0.0 0.0 0.0
: 16. Gross Thermal Energy Generated (MWH) ....... ........... 2,152,062.2 13,779,448.7 266,005,106.4
: 17. Gross E lec t rical Energy Generat ed (MWH) . . . . . . . . . . . . . . . . . . 691,945.0 4,455,705.0 87,051,181.0
: 18. Net Electrical Energy Generated (MWH).................... 656,804.0 4,234,283.0 83,283,984.0
: 19. Unit Service Factor.. ............ .. ................... 100.0% 95.2% 82.2%
: 20. Unit Availability Factor........... .................. .. 100.0% 95.2% 82.2%
: 21. Unit Capacity Factor (using MDC Net)..... .. ........... 99.5% 93.8% 77.4%
: 22. Unit Capacity Factor (using DER Net). ... .............. 97.3% 91.8% 76.9%
: 23. Forced Outage Rate................. .................... 0.0% 4.8% 5.4%
: 24. Shutdowns Scheduled Over Next 6 Months (Type, Date, and Duration of Each):, Refueling, 03/11/95, 60 days
: 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 1NITIAL CRITICALITY INITIAL ELECTRICITY LOMMERCIAL OPERATION

, AVERAGE DAILY UNIT POWER LEVEL Docket No.: 50-339 Unit: NA-2 Date: August 5, 1994

==Contact:==
J. A. Stall Phone: (703) 894-2101 MONTH: July 1994 DAY AVERAGE DAILY POWER DAY AVERAGE DAILY POWER LEVEL (MWe-Net) LEVEL (MWe -Ne t) 1 886 17 883 2 886 18 882 3 885 19 882 4 885 20 882 5 884 21 882 6 882 22 882 7 883 23 883 8 883 24 883 9 882 25 883 10 882 26 884 11 882 27 884 12 882 28 884 13 882 29 884 14 882 30 884 15 876 31 884 16 882 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.

)
NORTH ANNA POWER STATION )
UNIT NO.: 2 MONTH: Julv

==SUMMARY==
OF OPERATING EXPERIENCE Page 1 of 1 Listed below in chronological sequence is a summary ot operating experiences for this month which required load reductions or resulted in significant non-load related incidents.
l Date Time Data July 01, 1994 0000 Began month with unit at 100% power, 934 MWe.
July 15, 1994 0802 Commenced unit ramp-down for TVFT.
0830 Unit stable at 94% power, 872 MWe for TVFT.
0945 TVFT completed satisfactorily.
0947 Commenced unit ramp-up to 100% power.
1400 Unit stable at 100% power, 922 MWe.
July 31, 1994 2400 Ended month with unit at 100% power, 925 MWe.
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Page 1 of 1 UNIT SHUTDOWN AND POWER REDUCTIONS Explanation Sheet Docket No.: 50-339 l
1 Report Month Julv Unit Name: NA-2 Year: 1994 Date: Auaust 5, 1994 l

==Contact:==
J. A. Stall
* No entry this month.
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UNIT SHUTDOWNS AND POWER REDUCTIONS -
DOCKET NO.: 50-339 UNIT NAME: NA-2 DATE: August 5, 1994 REPORT MONTH: July 1994 CONTACT: J. A. Stall PHONE: ',7 0 3 ) 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 ONo entry this month.
1: Type 2: Reason 3: Method 4:
F= Forced A= Equipment Failure (explain) 1= Manual Exhibit F- Instzdctions S= Scheduled B= Maintenance or Test 2= Manual Scram for prepara* ion o' lata 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
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