ML20086K030

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Monthly Operating Rept for June 1995 for Vermont Yankee Nuclear Power Station
ML20086K030
Person / Time
Site: Vermont Yankee Entergy icon.png
Issue date: 06/30/1995
From: Wallin G, Wanczyk R
VERMONT YANKEE NUCLEAR POWER CORP.
To:
NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
VY-RCE-95-016, VY-RCE-95-16, NUDOCS 9507190344
Download: ML20086K030 (18)
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Text

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. VERMONT YANKEE NUCLEA'R POWER CORPORATION P.O. Box 157. Governor Hunt Road (O.g{

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Vernon. Vermont .05354-0157

~gy- (802) 257-7711

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l July 10, 1995 I VY-RCE-95-016 BVY-95-74 l U.S. Nuclear Regulatory Commission )

Attn: Document Control Desk l Washington, D.C. 20555  !

Reference:

a) License No. DPR-28 (Docket No. 50-271)

In accordance with section 6.7.A.3 of the Vermont Yankee Technical Specifications, submitted herewith is the Monthly Statistical Report for the Vermont Yankee Nuclear Power Station for the month of June. 1995.

Sincerely, Vermont Yankee Nuclear Power Corp.

Robert u . Wanczyk Plant Manager cc: USNRC Region I Administrator USNRC Resident Inspector - VYNPS USNRC Project Mananger - VYNPS l

, ~ v0,<. *.:P, -5 950719^344 950630 PDR ADOCK 05000271

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a VERMONT YANKEE NUCLEAR POWER STATION 1

MONTHLY STATISTICAL REPORT 95-06 i' FOR THE MONTH OF JUNE 1995 i

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DP 0411 Rev. 6 Page 1 of 1 w

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OPERATING DATA REPORT DOCKET NO.50-271 DATE 950710 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 OPERATING STATUS

1. Unit Name: Vermont Yankea
2. Reporting Period: Jung NOTES:
3. Licensed Thernul Power (MWt) :.1593
4. Nameplate Rating (Gross MWe) : 14Q
5. Design Electrical Rating (Net MWe): 122
6. Maximum Dependable Capacity (Gross MWe) - 531
7. Maximum Dependable Capacity (Net MWe) : 11H
8. If changes, occur in capacity ratings (Items Number 3 through 7) since last report, give reasons:

Items 5 and 7 have been chanqed to reflect the 1995 refuelina outage turbine retrofit work.

9. Power level to which restricted, if any (Net MWe) : N/A
10. Reasons for restrictions, if any: N/A This Month Yr-to-Date Cumulative
11. Hours in Reporting Period 720.00 4343.00 197927.02
12. Number Of Hours Reactor was Critical 720.00 3256.96 163120.62
13. Reactor Reserve Shutdown Hours 0.00 0.00 0.00
14. Hours Generator On-Line 7a0 u0_Q_ 3207.45 159924.56
15. Unit Reserve Shutdown U.ours 0.00 0.00 0.00
16. Gross Tnermal Energy Qsnerated(MWH) 1141695.60_ 5010469.25 239180344.25
17. Grose Electrical Enersy Generated 387220.00 1700512.00 79737864.00
18. Net Electrical Energp Generated (MWH) 365673.00 1625219.00 75787793.00
19. Unit Service Factor ' 100.00 73.85 80.&2
20. Unit Availability Phctor 100.00 73.85 80.80
21. Unit Capacity Fachbr(Using MDC Net) 99.58 73.38 75.QH
22. Unit Capacity Faqtor(Using DER Net) 97.29 71.69 73.35
23. Unit Forced Outage Rate 0.00 0.00 4.87
24. Shutdowns schedpled over next 6 months (Type, Date, and Duration of Each: N/A
25. If shut down at end of report period, estimated date of startup:N/A
26. Units In Test Status (prior to commercial operation) : N/A Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION VYDPF 0411.01 DP 0411 Rev. 6 Page 1 of 1 RT No. 13.F01.19F

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-271 UNIT Vermont Yankee '

DATE 950710 COMPLETED BY' G.A. WALLIN 4 TELEPHONE (802)258-5414 MONTH June DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net) l

1. 521 17. 511
2. 519 18. 503 l
3. 515 19, 449
4. 514 20, 500
5. 519 21. 508
6. 516 22. 507 1
7. 519 23. 505
8. 516 24. 506
9. 513 25. 499 10, 511 26. 498
11. 511 27. 503 12, 509 28. 508 13, 515 29, 505 14, 513 30. 501
15. 514 31. ---
16. 512 INSTRUCTIONS:  ;

On this format, list the average daily unit power level in MWE-Net l for each day in the reporting month. Compute to the nearest whole  ;

megawatt.

VYDPF 0411.02

> DP 0411 Rev. 6 Page 1 of 1 RT No. 13.F01.18V

UNIT SHUTDOWNS AND POWER REDUCTIONS REPORT MONTH JUNE DOCKET NO 50-271 7 UNIT NAME Vermont Yankee DATE 950710 COMPLETED BY G.A. Wallin '

TELEPHONE (802)258-5414 1 2 3 4 5 No. Date Type Duration Reason Method of License System Component Cause and Corrective (hours) Shutting Event Code Code Action to Prevent Down Report # Recurrence Reactor 95-04 950619 S 0.00 B 4 N/A EA ELECON Power reduction for Power 379 KV line repair Reduction 1 F: Forced 2 Reason: 3 Method: 4 Exhibit G- Instructions S: Scheduled A-Equipment Failure (Explain) 1 - Manual for Preparation of Data B-Maintenance or Test 2 - Manual Scram Entry Sheets for License C-Refueling 3 - Automatic Scram Event Report (LER) File D-Regulatory Restriction 4 - Other (Explain) (NUREG 0161)

E-Operator Training and License Examination 5 Exhibit I - Same Source VYDPF 0411.03 F-Administrative DP 0411 Rev. 6 G-Operational Error (Explain)

Page 1 of 1 H- (Explain) -

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DOCKET NO. 50-271 DATE 950710 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 1

REPORT MONTH J. wig SJNARY OF OPERATING EXPERIENCES Highlichts Vermeirc Yankee operated at 2SE of rated thermal power for the month.

Cross electrical generation was 107._2.2H MWHe or 99.6% design electrical capacity.

Operatina Summary The following ic a chronological description of plant operations including other pertinent items of interest for the month:

At the beginning cf the reporting period the plant was operating at 2R&R1 of rated thermal power.

l 950619 At 1129 hours0.0131 days <br />0.314 hours <br />0.00187 weeks <br />4.295845e-4 months <br />, initiated a power reduction to 78%, due to 379 KV line trip. (See Unit Shutdowns and Power Reductions) 950620 At 0050 hours5.787037e-4 days <br />0.0139 hours <br />8.267196e-5 weeks <br />1.9025e-5 months <br />, 379 KV line was restored to service, and began a return to full power.

J l

At the end of the reporting period the plant was operating at f.Riki of I rated thermal power.

VYDPF 0411.04 DP 0411 Rev. 6 Page 1 of 1 l RT No. 13.F01.18X l

. VERMONT YANKEE NUCLEAR POWER CORPORATION

  • '" P.O. Box 157. Governor Hunt Road

/W3 YY, x

- Vernon, Vermont.05354-0157 (802) 257-7711 July 10, 1995 VY-RCE-95-016 BVY-95-74 U.S. Nuclear Regulatory Commission Attn: Document Control Desk Washington, D.C. 20555

Reference:

a) License No. DPR-28 (Docket No. 50-271)

In accordance with section 6.7.A.3 of the Vermont Yankee Technical Specifications, submitted herewith is the Monthly Statistical Report for the Vermont Yankee Nuclear Power Station for the month of June. 1995.

Sincerely, Vermont Yankee Nuclear Power Corp.

h{ C4%

Robert v. Wanczyk Plant Manager l cc: USNRC Region I Administrator USNRC Resident Inspector - VYNPS USNRO Project Mananger - VYNPS l

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VERMON'I' YANKEE NUCLEAR POWER STATION MONTHLY STATISTICAL REPORT 95-06 FOR THE MONTH OF JUNE 1995 I

DP 0411 Rev, 6 Page 1 of 1 l l

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OPERATING DATA REPORT DOCKET NO.50-271 DATE 950710 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-541_4 QPERATING STATUS

1. Unit Name: Vermont Yankee
2. Reporting Period: dunf NOTES:
3. Licensed Thermal Power (Mst) :1593
4. Nameplate Rating (Gross MWe) : EAR
5. Design Electrical Rating (Nel MWe): 112
6. Maxirmi Dependable Capacity (Gross MKa) : 111
7. Maximum Dependable Capacity (Net MWe): 510
8. If changes, occur in capacity ratings (Items Number 3 through 7) since last report, give reasons:

Items 5 and 7 have been changgi to reflect the 1995 refueling outage turbine retrofit work.

9. Power level to which restricted, if any(Not MWe) : N/A
10. Reasons for restrictions, if any: N/A This Morth Yr-to-Date Cumulative
11. Hours in Reporting Period 720.t1_ 4343._HQ 197927.00
12. Number Of Hours Reactor was Critica2 720.0U. 325s.96 163120.62
13. Reactor Reserve Shutdown Hours 0.00 0.00 0.00
14. Hours Generator On-Line 720.00 3207.45 159924.56
15. Unit Reserve Shutdown Hours 0.00 0.00 0.00
16. Gross Thermal Energy Generated (MWH) 1141695.60 5010469.25 239180344.25
17. Gross Electrical Energy Generated 387220.00 1700512.00 79737864.00
18. Net Electrical Energy Generated (MWH) 365673.00 1625219.00 _75787793.00
19. Unit Service Factor 100.00 73.85 80.80
20. Unit Availability Factor 100.00 73.85 80.80
21. Unit Capacity Factor (Using MDC Net) 99.58 73.38 75.08 ,
22. Unit Capacity Factor (Using DER Net) 97.29 71.69 73.35 l
23. Unit Forced Outage Rate . 0.0Q_ 0.00 4.87
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 startup:N/A
26. Units In Test Status (prior to commercial operation) : N/A Forecast Achieved INITIAL CRITICALITY INITI.AL ELECTRICITY COMMERCIAL OPERATION l

VYDPF 0411.01 DP 0411 Rev. 6 Page 1 of i RT No. 13 F01.19F ,

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kVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-271 UNIT Ve rmont Yankee DATE 950710 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 MONTH T silng DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net)

1. 521 17. 511
2. 519 18, 503
3. 515 19. 449
4. 514 20. 500
5. 519 21. 508
6. 516 22. 507
7. 5 19 23. 505
8. 516 24. 506
9. 513 25. 499 10, 511 26. 498
11. 511 27. 503
12. 509 28. 508
13. 515 29. 505
14. 513 30. 501
15. 514 31. --- -
16. 512 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.

VYDPF 0411.02 ,

DP 0411 Rev. 6 j Page 1 of 1 j RT No. 13.F01.18V 1

UNIT SHUTDOWNS AND POWER REDUCTIONS REPORT MONTH JUNE DOCKET NO 50-271 -

UNIT NAME Vermont Mnkgg DATE 950710 COMPLETED BY G.A. Wa11in -

TELEPHONE (802)258-5414 1 2 3 4 5 No. Date Type Duration Reason Method of License System Component Cause and Corrective (hours) Shutting Event Code Code Action to Prevent Down Report # Recurrence Reactor 95-04 950619 S 0.00 B 4 N/A EA ELECON Power reduction for Power 379 KV line repair Reduction 1 F: Forced 2 Reason: 3 Method: 4 Exhibit G- Instructions S: Scheduled A-Equipment Failure (Explain) 1 - Manual for Preparation of Data B-Maintenance or Test 2 - Manual Scram Entry Sheets for License C-Refueling 3 - Automatic Scram Event Report (LER) File D-Regulatory Restriction 4 - Other (Explain) (NUREG 0161)

E-Operator Training and License Examination S Exhibit I - Same Source VYDPF 0411.03 F-Administrative DP 0411 Rev. 6 G-Operational Error (Expl-ain)

Page 1 of 1 H- ( Explain) -

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DOCKET NO. 50-271 DATE 950710 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 REPORT MONTH June

SUMMARY

OF OPERATING EXPERIENCES Highlights Vermont Yankee operated at 99.5% of rated thermal power for the month.

Gross electrical generation was 387,220 MWHe or 99.6% design electrical capacity.

Operating Summary The following is a chronological description of plant operations including other pertinent items of interest for the month:

At the beginning of the reporting period the plant was operating at 99.9%

of rated thermal power.

950619 At 1129 hours0.0131 days <br />0.314 hours <br />0.00187 weeks <br />4.295845e-4 months <br />, initiated a power reduction to 78%, due to 379 KV line trip. (See Unit Shutdowns and Power Reductions) 950620 At 0050 hours5.787037e-4 days <br />0.0139 hours <br />8.267196e-5 weeks <br />1.9025e-5 months <br />, 379 KV line was restored to service, and began a return to full power.

l At the end of the reporting period the plant was operating at 99.9% of rated thermal power.

VYDPF 0411.04 DP 0411 Rev. 6 Page 1 of 1 RT No. 13.F01.18X

4

'VhRMONT YANKEE NUCLEAR POWER CORPORATION

%- N P.O. Box 157, Governor Hunt Road Vernon, Vermont .05354-0157

\[;W. V .,)

, (802) 257-7711 'i July 10, 1995 VY-RCE-95-016 BVY-95-74 U.S. Nuclear Regulatory Co=nission Attn: Document Control Desk Washington, D.C. 20555

Reference:

a) License No. DPR-28 (DockNt No. 50-271)

In accordance with section 6.7.A.3 of the Vermont Yankee Technical Specifications, submitted herewith is the Monthly Ste"istical Report for the Vermont Yankee Nuclear Power Station for  ;

the month of June, 1995. -

l Sincerely, Vermont Yankee Nuclear Power Corp.

~

Robert . Wanczyk Plant Manager cc: USNRC Region I Administrator USNRC Resident Inspector - VYNPS USNRC Project Mananger - VYNPS

VERMONT YANKEE NUCLEAR POWER STATION MONTHLY STATISTICAL REPORT 95-06 l l

FOR THE MONTH OF OTJNE 1995 I

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i DP 0411 Rev. 6 i Page 1 of 1 l

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OPERATING DATA REPORT DOCKET NO.50-271 DATE 950710 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 OPERATING STATUS

1. Unit Name: Vermont Yankee
2. Reporting Period: June NOTES:
3. Licensed Thermal Power (MWt) :1593
4. Nameplate Rating (Gross MWe) : E42
5. Design Electrical Rating (Net MWe): 522
6. Maximum Dependable Capacity (Gross MWe) : E1E
7. Maximum Dependable Capacity (Net MWe): 11Q
8. If changes, occur in capacity ratings (Items Number 3 through 7) since last report, give reasons:

Items 5 and 7 have been changed to reflect the 1995 riefueline outace turbine retrofit work.

9. Power level to which restricted, if any(Net MWe) : N/A
10. Reasons for restrictions, if any: N/A This Month Yr-to-Date Cumulative
11. Hours in Reporting Period 720.00 4343.00 197927.00
12. Number Of Hours Reactor was Critical 720.00 3256.96 163120.62 l
13. Reactor Reserve Shutdown Hours 0.00 0.00 0.00 l
14. Hours Generator On-Line 720.00 3207.45 159924 16
15. Unit Reserve Shutdown Hours 0.00 0.00 0.00
16. Gross Thermal Energy Generated (MWH) 1141695.60 5010469.25 239180344.25 l
17. Gross Eleactrical Energy Generated 387220.00 1700512.00 79737864.QH l
18. Net Electrical Energy Generated (MWH) 365673.00 1625219.00 75787793.00 l
19. Unit Service Factor 100.00 73.85 80.80 ,
20. Unit Availability Factor 100.00 73.85 80.80 l
21. Unit Capacity Factor (Using MDC Net) 99.58 73.38 75.08 '
22. Unit Capacity Factor (Using DER Net) 97.29 71.69 73.35 I
23. Unit Forced Outage Rate 0.00 0.00 4.87
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 startup:N/A
26. Units In Test Status (prior to commercial operation) : N/A Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION VYDPF 0411.01 DP 0411 Rev. 6 Page 1 of 1 RT No. 13.F01.19F

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-271 UNIT Vermont Yankee )

DATE 950710 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 MONTH June DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net) (MWe-Net)

1. 521 __ 17. 511
2. 519 18. SQ3
3. 515 _ 19. 44f
4. 514 20. 500
5. 519 21. 508
6. 516 22. 507
7. 519 23. 505
8. 516 24. 506
9. 513 25. 4 " E.
10. 511 26. 498
11. 511 27. 503
12. 509 28. 508
13. 515 29. 505 14, 513 30. 501 15, 514 31. ---
16. 512 INSTT.UCTIONS:

On unis format, list the average daily unit power level in MWE-Net for each day in the reporting month. Compute to the nearest whole megawatt.

VYDPF 0411.02 DP 042.1 Rev. 6 Page 1 of 1 RT No. 13.F01.18V

UNIT SI'UTDOWNS AND POWER REDUCTIONS l

REPORT MONTH JUNE DOCKET NO 50-271 -'

i UNIT NAME Vermont Yankee i DATE 950710 -

l COMPLETED BY G.A. Wallin TELEPHONE (802)258-5414 l

1 2 3 4 5 No. Date Type Duration Reason Method of License System Component Cause and Corrective I :wurs ) Shutting Event Code Code Action to Prevent Down Report # Recurrence Reactor 95-94 950619 S 0.00 B 4 N/A EA ELECON Power reduction for Power 379 KV line repair Reduction 1 F: Forced 2 Reason: 3 Method: 4 Exhibit G- Instructions S: Scheduled A-Equipment Failure (Explain) 1 - Manual for Preparation of Data B-Maintenance or Test 2 - Manual Scram Entry Sheets for License C-Refueling 3 - Automatic Scram Event Report (LER) File D-Regulatory Restriction 4 - Other (Explain) (NUREG 0161)

E-Operator Training and License Examination S Exhibit I - Same Source '

VYDPF 0411.03 P-Administrative DP 0411 Rev. 6 G-Operational Error (Explain)

Page 1 of 1 H- (Explain) -

DOCKET NO. 50-271 DATE 950710 COMPLETED BY G.A. WALLIN TELEPHONE (802)258-5414 REPORT MONTH June

SUMMARY

OF OPERATING EXPERIENCES HAshlighta Vermorst Yankee operated at 99,5% of rated thermal power for the month.

Groes electrical generation was 387.220 MWHe or 99.6% design electrical I capacity.

l Operatina Summary The following is a chronological description of plant operations including l other pertinent items of interest for the month:

At the begin.11ng of the reporting period the plant was operatin[ at 99.9%

of rated thermal power.

950619 At 1129 hours0.0131 days <br />0.314 hours <br />0.00187 weeks <br />4.295845e-4 months <br />, initiated a power reduction to 78%, due to 3 79 : line trip. (See Unit Shutdowns and Power Reductions) 950620 At 0050 hours5.787037e-4 days <br />0.0139 hours <br />8.267196e-5 weeks <br />1.9025e-5 months <br />, 379 KV line was restored to service, and began

. a return to full power. l I

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1 At the end of the reporting period the plant was operating at 99.9% of  !

rated thermal power. j VYDPF 0411.04 DP 0411 Rev. 6 Page 1 of 1 RT No. 13.F01.18X l

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