ML033520197

November 2003 Monthly Operating Report for Palo Verde, Units 1, 2, and 3

ML033520197
Person / Time
Site:	Palo Verde
Issue date:	12/12/2003
From:	Danni Smith Arizona Public Service Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
219-02880-DMS
Download: ML033520197 (28)

Text

II

1.

A subsidiary of Pinnacle West Capital Corporation David M. Smith Operations Director Palo Verde Nudear Generating Station Tel. 602-393-2656 Fax 602-393-1806 e-mail:

David M SmithRapsc.com Mail Station 7294 PO Box 52034 Phoenix, Arizona 85072-2034 December 12, 2003 219-02880-DMS U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Mail Station P1-37 Washington, DC 20555

Subject:

Palo Verde Nuclear Generating Station (PVNGS)

Units 1, 2, and 3 Docket Nos. STN 50-5281529/530 Monthly Operating Reports for NOVEMBER 2003 Enclosed are the Monthly Operating Reports for NOVEMBER 2003, prepared and submitted pursuant to Specification 5.6.4 of Appendix A, (Technical Specifications) to the PVNGS Units 1, 2, and 3 Operating Licenses.

Also enclosed are the previous 2003 Monthly Operating Reports which reflect the over-reporting errors in the YTD cumulative net generation values detected in the March 2003 MOR for Units 1, 2 and 3. The error carried over in the subsequent months through September 2003. Enclosure B contains the corrected MOR Data reports for the affected months.

By copy of this letter, Arizona Public Service Company is also forwarding the Monthly Operating Reports to the Regional Administrator, NRC Region IV and the NRC Resident Inspector.

If you have any questions, please contact Don Vogt at (623) 393-5926.

DMS/sh

Enclosures:

En-coSMrers NOVEMBER 2003 Monthly Operating Reports cc:

(all w/enclosures)

Dr. Bruce S. Mallett - Regional Administrator, NRC Region IV PVNGS Resident Inspector INPO Records Center Utility Data Institute

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Page Two NRC Monthly Operating Report Distribution List 219-02880-DMS December 11, 2003 bcc:

(all w/enclosures)

W. L. Stewart (9082)

J. M. Levine (9046)

G. R. Overbeck (7602)

C. D. Mauldin (7605)

C. K. Seaman (7636)

M. W. Van Dop (7512)

K. F. Porter (7512)

D. L. Sills (7527)

M. K. Banks (7615)

S. M. Foote (8508)

C. L. Jury (8983)

J. R. Medina (2260)

Enclosure A November Monthly Operating Report

OPERATING DATA REPORT DOCKET NO.

UNIT NAME DATE COMPLETED BY TELEPHONE 50-528 Palo Verde 1 December 12, 2003 Sue Hart (623) 393-2618 REPORTING PERIOD:

November 2003

1. Design Electrical Rating

2. Maximum Dependable Capacity (MWe-Net) 1,265.00 1,243.00 3.

4.

5.

6.

Number of Hours the Reactor was Critical Number of Hours Generator On-line Reserve Shutdown Hours Net Electrical Energy Generated (MWHrs)

This Month 720.00 720.00 0.00 897,854.85 Yr-to-Date 7,876.72 7,861.63 0.00 9,653,706.59 Cumulative 122,037.92 120,645.03 0.00 145,322,290.5 UNIT SHUTDOWNS Type Method of F: Forced Duration Shutting Cause & Corrective Action No.

Date S: Scheduled (Hours)

Reason 1 Down 2 Comments I

2 Reason:

A Equipment Failure (Explain)

B Maintenance or Test C

Refueling D

Regulatory Restriction E

Operator Training & License Examination F Administration G Operational Error (Explain)

H Other (Explain)

Method:

I Manual 2

Manual Trip/Scram 3

Automatic Trip/Scram 4

Continuation 5

Other (Explain)

SUMMARY

Page 1 of 1

OPERATING DATA REPORT 50-529 DOCKET NO.

UNIT NAME DATE COMPLETED BY TELEPHONE Palo Verde 2 December 12, 2003 Sue Hart (623) 393-2618 REPORTING PERIOD:

November 2003

1.

Design Electrical Rating

2.

Maximum Dependable Capacity (MWe-Net) 1,265.00 1,243.00 3.

4.

5.

6.

Number of Hours the Reactor was Critical Number of Hours Generator On-line Reserve Shutdown Hours Net Electrical Energy Generated (MWHrs)

This Month

• 0.00 0.00 0.00 0.00 Yr-to-Date 6,415.89 6,402.64 0.00 8,032,292.42 Cumulative 120,327.39 118,982.24 0.00 144,975,973.4 UNIT SHUTDOWNS Type Method of F: Forced Duration Shutting Cause & Corrective Action No.

Date s: Scheduled (Hours)

Reason 1 Down 2 Comments 03-02 09/27/2003 S

720.00 C

4 U2R1 1

.1 2

Reason:

A Equipment Failure (Explain)

B Maintenance or Test C

Refueling D

Regulatory Restriction E

Operator Training & License Examination F

Administration G

Operational Error (Explain)

H Other (Explain)

Method:

I Manual 2

Manual Trip/Scram 3

Automatic Trip/Scram 4

Continuation 5

Other (Explain)

SUMMARY

Page 1 of I

OPERATING DATA REPORT DOCKET NO.

UNIT NAME DATE COMPLETED BY TELEPHONE 50-530 Palo Verde 3 December 12, 2003 Sue Hart (623) 393-2618 REPORTING PERIOD:

November 2003

1.

Design Electrical Rating

2.

Maximum Dependable Capacity (MWe-Net) 1O269.00 1,247.00 3.

4.

5.

6.

Number of Hours the Reactor was Critical Number of Hours Generator On-line Reserve Shutdown Hours Net Electrical Energy Generated (MWHrs)

This Month 720.00 720.00 0.00 913,147.64 Yr-to-Date 7,035.60 6,971.47 0.00 8,608,398.47 Cumulative 117,219.30 116,167.37 0.00 142,115,557.4 UNIT SHUTDOWNS Type Method of F: Forced Duration Shutting Cause & Corrective Action No.

Date s: Scheduled (Hours)

Reason I Down 2 Comments 1

2 Reason:

A Equipment Failure (Explain)

B Maintenance or Test C

Refueling D

Regulatory Restriction E

Operator Training & License Examination F

Administration G

Operational Error (Explain)

H Other (Explain)

Method:

I Manual 2

Manual Trip/Scram 3

Automatic Trip/Scram 4

Continuation 5

Other (Explain)

SUMMARY

Page 1 of 1

Enclosure B

CORRECTED NRC MONTHLY OPERATING DATA REPORT DOCKET NO.:

UNIT NAME:

DATE:

COMPLETED BY:

TELEPHONE:

50-528 PVNGS-1 04/08/03 J. M. Mellody (623) 393-6422 Reporting Period:

March 2003

1.

Design Electrical Rating (Net MWe):

1265

2.

Maximum Dependable Capacity (Net MWe):

1243 3.

4.

5.

6.

Unit I Generating Statistics This Month Yr. to Date Cumulative Hours Reactor was Critical 641.8 2,057.8 116,219.0 Hours Generator was On-Line 633.7 2,049.7 114,833.1 Unit Reserve Shutdown Hours 0.0 0.0 0.0 Net Electrical Energy Generated (MWh) 768,876 2,523,780 138,192,364 UNIT SHUTDOWNS Outage Duration Hours Method of Shutting Down Reactor3 Cause and Corrective Action to Prevent Occurrence No.

Date Type1 Reason2 03-01 03/271 IF-Forced S-Scheduled 103 F

110.28 A

2 Manual RX trip due to SIG sodium limits Condenser Tube Leak 2 Reason:

A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training / License Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain) 3Method:

1-Manual 2-Manual Trip / Scram 3-Automatic Trip / Scram 4-Continuation 5-Other-(Explain)

SUMMARY

-1

-CORRECTED NRC MONTHLY OPERATING DATA REPORT DOCKET NO.:

UNIT NAME:

DATE:

COMPLETED BY:

TELEPHONE:

50-529 PVNGS-2 04/08/03 J. M. Mellody (623) 393-6422 Reporting Period:

March 2003

1.

Design Electrical Rating (Net MWe):

1265

2.

Maximum Dependable Capacity (Net MWe):

1243 Unit 2 Generating Statistics This Month Yr. To Date Cumulative

3.

Hours Reactor was Critical 744.0 2,160.0 116,071.5

4.

Hours Generator was On-Line 744.0 2,160.0 114,739.6

5.

Unit Reserve Shutdown Hours 0.0 0.0 0.0

6.

Net Electrical Energy Generated (MWh) 945,284 2,746,452 139,690,133 UNIT SHUTDOWNS Outage Duration Method of Shutting Down Cause and Corrective Action to Prevent Occurrence No.

Date Type1 Hours Reason2 R

No reactor shutdowns occurred during the month of March 2003.

ReactorO IF-Forced S-Scheduled 2 Reason:

A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training / License Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain) 3Method:

1-Manual 2-Manual Trip / Scram 3-Automatic Trip / Scram 4-Continuation 5-Other-(Explain)

SUMMARY

2-

CORRECTED NRC MONTHLY OPERATING DATA REPORT DOCKET NO.:

UNIT NAME:

DATE:

COMPLETED BY:

TELEPHONE:

50-530 PVNGS-3 04/08/03 J. M. Mellodv (623) 393-6422 Reporting Period:

March 2003

1.

Design Electrical Rating (Net MWe):

1269

2.

Maximum Dependable Capacity (Net MWe):

1247 Unit 3 Generating Statistics This Month Yr. to Date Cumulative

3.

Hours Reactor was Critical 672.0 2,088.0 112,271.7

4.

Hours Generator was On-Line 672.0 2,088.0 111,283.9

5.

Unit Reserve Shutdown Hours 0.0 0.0 0.0

6.

Net Electrical Energy Generated (MWh) 846,007 2,654,774 136,161,933 UNIT SHUTDOWNS No.

Date Typel S

Outage Duration Hours 71.98 Method of Shutting Down Reactor3 Cause and Corrective Action to Prevent Occurrence Reason2 C

03-01 03/29/03 1

Manually Shutdown RX to begin U3R10 1F-Forced S-Scheduled 2 Reason:

A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training / License Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain) 3Method:

1-Manual 2-Manual Trip / Scram 3-Automatic Trip / Scram 4-Continuation 5-Other-(Explain)

SUMMARY

3-

CORRECTED NRC MONTHLY OPERATING DATA REPORT DOCKET NO.:

UNIT NAME:

DATE:

COMPLETED BY:

TELEPHONE:

50-528 PVNGS-1 05/08/03 J. M. Mellodv (623) 393-6422 Repo 1.

rting Period:

April 2003 Design Electrical Rating (Net MWe):

1 265

2.

Maximum Dependable Capacity (Net MWe):

1243 3.

4.

5.

6.

Unit i Generating Statistics This Month Yr. to Date Cumulative Hours Reactor was Critical 720.0 2,777.8 116,939.0 Hours Generator was On-Line 719.0 2,768.8 115,552.2 Unit Reserve Shutdown Hours 0.0 0.0 0.0 Net Electrical Energy Generated (MWh) 888,709 3,412,489 139,081,073 UNIT SHUTDOWNS Outage Duration Hours Method of Shutting Down Reactor3 Cause and Corrective Action to Prevent Occurrence No.

Date Type1 Reason2 03-01 03/27/

IF-Forced S-Scheduled

/03 F

0.97 A

2 Unit returned to power at 00:58 on 411/03 2Reason:

A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training / License Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain) 3Method:

1-Manual 2-Manual Trip / Scram 3-Automatic Trip / Scram 4-Continuation 5-Other-(Explain)

SUMMARY

1-

CORRECTED NRC MONTHLY OPERATING DATA REPORT DOCKET NO.:

UNIT NAME:

DATE:

COMPLETED BY:

TELEPHONE:

50-529 PVNGS-2 05/08/03 J. M. Mellodv (623) 393-6422 Reporting Period:

April 2003

1.

Design Electrical Rating (Net MWe):

1265

2.

Maximum Dependable Capacity (Net MWe):

1243 3.

4.

5.

6.

Unit 2 Generating Statistics This Month Yr. To Date Cumulative Hours Reactor was Critical 720.0 2,880.0 116,791.5 Hours Generator was On-Line 720.0 2,880.0 115,459.6 Unit Reserve Shutdown Hours 0.0 0.0 0.0 Net Electrical Energy Generated (MWh) 912,413 3,658,866 140,602,547 UNIT SHUTDOWNS Outage Duration Hours Method of Shutting Down Reactor3 Cause and Corrective Action to Prevent Occurrence No.

Date Type1 Reason2 No reactor shutdowns occurred during the month of April 2003.

IF-Forced S-Scheduled 2 Reason:

A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training I License Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain) 3Method:

1-Manual 2-Manual Trip / Scram 3-Automatic Trip / Scram 4-Continuation 5-Other-(Explain)

SUMMARY

2-

CORRECTED NRC MONTHLY OPERATING DATA REPORT DOCKET NO.:

UNIT NAME:

DATE:

COMPLETED BY:

TELEPHONE:

50-530 PVNGS-3 05/08/03 J. M. Mellody (623) 393-6422 Reporting Period:

April 2003

1.

Design Electrical Rating (Net MWe):

1269

2.

Maximum Dependable Capacity (Net MWe):

1247 Unit 3 Generating Statistics This Month Yr. to Date Cumulative

3.

Hours Reactor was Critical 24.1 2,112.1 112,295.8

4.

Hours Generator was On-Line 2.6 2,090.6 111,286.5

5.

Unit Reserve Shutdown Hours 0.0 0.0 0.0

6.

Net Electrical Energy Generated (MWh) 0 2,654,773 136,161,933 UNIT SHUTDOWNS Outage Duration Hours Method of Shutting Down Reactor3 Cause and Corrective Action to Prevent Occurrence No.

Date Type1 Reason2 03-01 03/29/

IF-Forced S-Scheduled

/03 S

717.38 C

I U3R10 ended on 4/30 at 21:23, 32.9 days.

2 Reason:

A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training I License Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain) 3Method:

1-Manual 2-Manual Trip / Scram 3-Automatic Trip / Scram 4-Continuation 5-Oth er-( Exp la in )

SUMMARY

CORRECTED NRC MONTHLY OPERATING DATA REPORT DOCKET NO.:

UNIT NAME:

DATE:

COMPLETED BY:

TELEPHONE:

50-528 PVNGS-1 06/10/03 J. M. Mellody (623) 393-6422 Reporting Period:

May 2003

1.

Design Electrical Rating (Net MWe):

1265

2.

Maximum Dependable Capacity (Net MWe):

1243 3.

4.

5.

6.

Unit I Generating Statistics This Month Yr. to Date Cumulative Hours Reactor was Critical 744.0 3,521.8 117,683.0 Hours Generator was On-Line 744.0 3,512.8 116,296.2 Unit Reserve Shutdown Hours 0.0 0.0 0.0 Net Electrical Energy Generated (MWh) 924,337 4,336,826 140,005,410 UNIT SHUTDOWNS Outage Duration Hours Method of Shutting Down Reactor3 Cause and Corrective Action to Prevent Occurrence No.

Date Typel Reason2 No reactor shutdowns occurred during the month of May 2003.

IF-Forced S-Scheduled 2Reason:

A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training I License Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain) 3Method:

1-Manual 2-Manual Trip / Scram 3-Automatic Trip I Scram 4-Continuation 5-Other-(Explain)

SUMMARY

1-

CORRECTED NRC MONTHLY OPERATING DATA REPORT DOCKET NO.:

UNIT NAME:

DATE:

COMPLETED BY:

TELEPHONE:

50-529 PVNGS-2 06/10/03 J. M. Mellody (623) 393-6422 Reporting Period:

May 2003

1.

Design Electrical Rating (Net MWe):

1265

2.

Maximum Dependable Capacity (Net MWe):

1243 3.

4.

5.

6.

Unit 2 Generating Statistics This Month Yr. To Date Cumulative Hours Reactor was Critical 744.0 3,624.0 117,535.5 Hours Generator was On-Line 744.0 3,624.0 116,203.6 Unit Reserve Shutdown Hours 0.0 0.0 0.0 Net Electrical Energy Generated (MWh) 940,506 4,599,371 141,543,052 UNIT SHUTDOWNS Outage Duration Hours Method of Shutting Down Reactor3 Cause and Corrective Action to Prevent Occurrence No.

Date Type1 Reason2 No reactor shutdowns occurred during the month of May 2003.

IF-Forced S-Scheduled 2 Reason:

A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training / License Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain) 3Method:

1-Manual 2-Manual Trip / Scram 3-Automatic Trip / Scram 4-Continuation 5-Other-(Explain)

SUMMARY

2-

CORRECTED NRC MONTHLY OPERATING DATA REPORT DOCKET NO.:

UNIT NAME:

DATE:

COMPLETED BY:

TELEPHONE:

50-530 PVNGS-3 06/10/03 J. M. Mellody (623) 393-6422 Reporting Period:

May 2003

1.

Design Electrical Rating (Net MWe):

1269

2.

Maximum Dependable Capacity (Net MWe):

1247 3.

4.

5.

6.

Unit 3 Generating Statistics This Month Yr. to Date Cumulative Hours Reactor was Critical 744.0 2,856.1 113,039.8 Hours Generator was On-Line 744.0 2,834.6 112,030.5 Unit Reserve Shutdown Hours 0.0 0.0 0.0 Net Electrical Energy Generated (MWh) 877,295 3,532,069 137,039,228 UNIT SHUTDOWNS

' Outage Duration Hours Method of Shutting Down Reactor3 Cause and Corrective Action to Prevent Occurrence No.

Date Type1 Reason2 No reactor shutdowns occurred during the month of May 2003.

F-Forced S-Scheduled 2 Reason:

A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training I License Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain) 3Method:

1-Manual 2-Manual Trip / Scram 3-Automatic Trip / Scram 4-Continuation 5-Other-(Explain)

SUMMARY

CORRECTED NRC MONTHLY OPERATING DATA REPORT DOCKET NO.:

UNIT NAME:

DATE:

COMPLETED BY:

TELEPHONE:

50-528 PVNGS-1 07/10/03 J. M. Mellodv (623) 393-6422 Reporting Period:

June 2003

1.

Design Electrical Rating (Net MWe):

1265

2.

Maximum Dependable Capacity (Net MWe):

1243 3.

4.

5.

6.

Unit I Generating Statistics This Month Yr. to Date Cumulative Hours Reactor was Critical 720.0 4,241.8 118,403.0 Hours Generator was On-Line 720.0 4,232.8 117,016.2 Unit Reserve Shutdown Hours 0.0 0.0 0.0 Net Electrical Enery Generated (MWh) 891,377 5,228,204 140,896,788 UNIT SHUTDOWNS Outage Duration Hours Method of Shutting Down Reactor3 Cause and Corrective Action to Prevent Occurrence No.

Date Type1 Reason2 No reactor shutdowns occurred during the month of June 2003.

F-Forced S-Scheduled 2Reason:

A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training / License Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain) 3Method:

1-Manual 2-Manual Trip / Scram 3-Automatic Trip / Scram 4-Continuation 5-Other-(Explain)

SUMMARY

1-

CORRECTED NRC MONTHLY OPERATING DATA REPORT DOCKET NO.:

UNIT NAME:

DATE:

COMPLETED BY:

TELEPHONE:

50-529 PVNGS-2 07/10/03 J. M. Mellodv (623) 393-6422 Reporting Period:

June 2003

1.

Design Electrical Rating (Net MWe):

1265

2.

Maximum Dependable Capacity (Net MWe):

1243 Unit 2 Generating Statistics This Month Yr. To Date Cumulative

3.

Hours Reactor was Critical 720.0 4,344.0 118,255.5

4.

Hours Generator was On-Line 720.0 4,344.0 116,923.6

5.

Unit Reserve Shutdown Hours 0.0 0.0 0.0

6.

Net Electrical Energy Generated (MWh) 908,380 5,507,751 142,451,432 UNIT SHUTDOWNS Outage Method of Duration Shutting Down No.

Date Type1 Hours Reason2 Reactor3 No reactor shutdowns occurred during the month of June 2003.

Cause and Corrective Action to Prevent Occurrence F-Forced S-Scheduled 2 Reason:

A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training / License Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain) 3Method:

1-Manual 2-Manual Trip / Scram 3-Automatic Trip / Scram 4-Continuation 5-Other-(Explain)

SUMMARY

2-

CORRECTED NRC MONTHLY OPERATING DATA REPORT DOCKET NO.:

UNIT NAME:

DATE:

COMPLETED BY:

TELEPHONE:

50-530 PVNGS-3 07/10/03 J. M. Mellody (623) 393-6422 Reporting Period:

June 2003

1.

Design Electrical Rating (Net MWe):

1269

2.

Maximum Dependable Capacity (Net MWe):

1247 3.

4.

5.

6.

Unit 3 Generating Statistics This Month Yr. to Date Cumulative Hours Reactor was Critical 669.8 3,525.9 113,709.6 Hours Generator was On-Line 637.0 3,471.6 112,667.5 Unit Reserve Shutdown Hours 0.0 0.0 0.0 Net Electrical Energy Generated (MWh) 699,688 4,231,757 137,738,916 UNIT SHUTDOWNS Outage Duration Hours Method of Shutting Down Reactor3 Cause and Corrective Action to Prevent Occurrence No.

Date Type1 Reason2 03-02 06/18/03 S

83.1 B

I Manual RX trip for repairs to AR piping.

1 F-Forced S-Scheduled 2 Reason:

A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training / License Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain) 3Method:

1-Manual 2-Manual Trip / Scram 3-Automatic Trip / Scram 4-Continuation 5-Other-(Explain)

SUMMARY

CORRECTED NRC MONTHLY OPERATING DATA REPORT DOCKET NO.:

UNIT NAME:

DATE:

COMPLETED BY:

TELEPHONE:

50-528 PVNGS-1 08/08/03 J. M. Mellodv (623) 393-6422 Reporting Period:

July 2003

1.

Design Electrical Rating (Net MWe):

1265

2.

Maximum Dependable Capacity (Net MWe):

1243 3.

4.

5.

6.

Unit I Generating Statistics This Month Yr. to Date Cumulative Hours Reactor was Critical 744.0 4,985.8 119,147.0 Hours Generator was On-Line 744.0 4,976.8 117,760.2 Unit Reserve Shutdown Hours 0.0 0.0 0.0 Net Electrical Energy Generated (MWh) 914,019 6,142,222 141,810,806 UNIT SHUTDOWNS Outage Duration Hours Method of Shutting Down Reactor3 Cause and Corrective Action to Prevent Occurrence No.

Date Type1 Reason2 No reactor shutdowns occurred during the month of July 2003.

IF-Forced S-Scheduled 2 Reason:

A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training / License Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain) 3Method:

1-Manual 2-Manual Trip / Scram 3-Automatic Trip / Scram 4-Continuation 5-Other-(Explain)

SUMMARY

1-

CORRECTED NRC MONTHLY OPERATING DATA REPORT DOCKET NO.:

UNIT NAME:

DATE:

COMPLETED BY:

TELEPHONE:

50-529 PVNGS-2 08/08/03 J. M. Mellody (623) 393-6422 Reporting Period:

July 2003

1.

Design Electrical Rating (Net MWe):

1265

2.

Maximum Dependable Capacity (Net MWe):

1243 Unit 2 Generating Statistics This Month Yr. To Date Cumulative

3.

Hours Reactor was Critical 703.9 5,047.9 118,959.4

4.

Hours Generator was On-Line 690.6 5,034.6 117,614.2

5.

Unit Reserve Shutdown Hours 0.0 0.0 0.0

6.

Net Electrical Energy Generated (MWh) 858,096 6,365,848 143,309,529 UNIT SHUTDOWNS No.

Date Type1 F

Outage Duration Hours 53.38 Method of Shutting Down Reactor3 Cause and Corrective Action to Prevent Occurrence Reason2 A

03-01 07/29/03 2

Manually tripped RX due to stuck open main spray valve.

F-Forced S-Scheduled 2 Reason:

A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training / License Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain) 3Method:

1-Manual 2-Manual Trip / Scram 3-Automatic Trip / Scram 4-Continuation 5-Other-(Explain)

SUMMARY

2-

CORRECTED NRC MONTHLY OPERATING DATA REPORT DOCKET NO.:

UNIT NAME:

DATE:

COMPLETED BY:

TELEPHONE:

50-530 PVNGS-3 08/08/03 J. M. Mellody (623) 393-6422 Reporting Period:

July 2003

1.

Design Electrical Rating (Net MWe):

1269

2.

Maximum Dependable Capacity (Net MWe):

1247 Unit 3 Generating Statistics This Month Yr. to Date Cumulative

3.

Hours Reactor was Critical 666.9 4,192.8 114,376.5

4.

Hours Generator was On-Line 666.9 4,138.5 113,334.4

5.

Unit Reserve Shutdown Hours 0.0 0.0 0.0

6.

Net Electrical Energy Generated (MWh) 831,414 5,063,171 138,570,330 UNIT SHUTDOWNS Outage Duration Hours Method of Shutting Down Reactor3 Cause and Corrective Action to Prevent Occurrence No.

Date Typel Reason2 03-03 07/28/03 F

77.08 G

3 RX tripped due to a fault in the Hassayampa switchyard.

1F-Forced S-Scheduled 2 Reason:

A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training I License Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain) 3Method:

1-Manual 2-Manual Trip / Scram 3-Automatic Trip / Scram 4-Continuation 5-Other-(Explain)

SUMMARY

Unit 3 returned to service August 4, 2003; the remainder of the outage duration hours will be included in the August report CORRECTEDNRC MONTHLY OPERATING DATA REPORT DOCKET NO.:

UNIT NAME:

DATE:

COMPLETED BY:

TELEPHONE:

50-528 PVNGS-1 09/10/03 J. M. Mellody (623) 393-6422 Reporting Period:

August 2003

1.

Design Electrical Rating (Net MWe):

1265

2.

Maximum Dependable Capacity (Net MWe):

1243 3.

4.

5.

6.

Unit I Generating Statistics This Month Yr. to Date Cumulative Hours Reactorwas Critical 706.9 5,692.7 119,853.9 Hours Generator was On-Line 700.8 5,677.6 118,461.0 Unit Reserve Shutdown Hours 0.0 0.0 0.0 Net Electrical Energy Generated (MWh) 810,134 6,952,356 142,620,940 UNIT SHUTDOWNS Outage Duration Hours Method of Shutting Down Reactor3 No.

Date Typel Reason2 Cause and Corrective Action to Prevent Occurrence 03-02 08/09/03 F

43.2 B

I Tripped reactor from 20% power as part of procedural shut down to take the unit off line for water box air removal (AR) pipe repairs.

IF-Forced S-Scheduled 2Reason:

A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training I License Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain) 3Method:

1 -Manual 2-Manual Trip / Scram 3-Automatic Trip / Scram 4-Continuation 5-Other-(Explain)

SUMMARY

1-

CORRECTED NRC MONTHLY OPERATING DATA REPORT DOCKET NO.:

UNIT NAME:

DATE:

COMPLETED BY:

TELEPHONE:

50-529 PVNGS-2 09/10/03 J. M. Mellody (623) 393-6422 Reporting Period:

August 2003

1.

Design Electrical Rating (Net MWe):

1265

2.

Maximum Dependable Capacity (Net MWe):

1243 3.

4.

5.

6.

Unit 2 Generating Statistics This Month Yr. To Date Cumulative Hours Reactor was Critical 744.0 5,791.9 119,703.4 Hours Generator was On-Line 744.0 5,778.6 118,358.2 Unit Reserve Shutdown Hours 0.0 0.0 0.0 Net Electrical Energy Generated (MWh) 887,269 7,253,116 144,196,797 UNIT SHUTDOWNS Outage Duration Hours Method of Shutting Down Reactor 3 Cause and Corrective Action to Prevent Occurrence No.

Date Type1 Reason2 No reactor shutdowns occurred during the month of August 2003.

IF-Forced S-Scheduled 2 Reason:

A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training / License Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain) 3Method:

1-Manual 2-Manual Trip I Scram 3-Automatic Trip / Scram 4-Continuation 5-Other-(Explain)

SUMMARY

2-

CORRECTED NRC MONTHLY OPERATING DATA REPORT DOCKET NO.:

UNIT NAME:

DATE:

COMPLETED BY:

TELEPHONE:

50-530 PVNGS-3 09/10103 J. M. Mellody (623) 393-6422 Reporting Period:

August 2003

1.

Design Electrical Rating (Net MWe):

1269

2.

Maximum Dependable Capacity (Net MWe):

1247 3.

4.

5.

6.

Unit 3 Generating Statistics This Month Yr. to Date Cumulative Hours Reactor was Critical 658.8 4,851.6 115,035.3 Hours Generatorwas On-Line 649.0 4,787.5 113,983.4 Unit Reserve Shutdown Hours 0.0 0.0 0.0 Net Electrical Energy Generated (MWh) 788,381 5,851,552 139,358,711 UNIT SHUTDOWNS Outage Duration Hours Method of Shutting Down Reactor3 Cause and Corrective Action to Prevent Occurrence No.

Date Typel Reason2 No reactor shutdowns occurred during the month of August 2003.

IF-Forced S-Scheduled 2Reason:

A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training / License Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain) 3Method:

1-Manual 2-Manual Trip I Scram 3-Automatic Trip / Scram 4-Continuation 5-Other-(Explain)

SUMMARY

CORRECTED NRC MONTHLY OPERATING DATA REPORT DOCKET NO.:

UNIT NAME:

DATE:

COMPLETED BY:

TELEPHONE:

50-528 PVNGS-1 10/09/03 J. M. Mellodv (623) 393-6422 Reporting Period:

September 2003

1.

Design Electrical Rating (Net MWe):

1265

2.

Maximum Dependable Capacity (Net MWe):

1243 3.

4.

5.

6.

Unit I Generating Statistics This Month Yr. to Date Cumulative Hours Reactor was Critical 720.0 6,412.7 120,573.9 Hours Generator was On-Line 720.0 6,397.6 119,181.0 Unit Reserve Shutdown Hours 0.0 0.0 0.0 Net Electrical Energy Generated (MWh) 889,500 7,841,856 143,510,440 UNIT SHUTDOWNS Outage Duration Hours Method of Shutting Down Reactor 3 Cause and Corrective Action to Prevent Occurrence No.

Date Type1 Reason2 No reactor shutdowns occurred during the month of September 2003.

IF-Forced S-Scheduled 2Reason:

A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training I License Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain) 3Method:

1-Manual 2-Manual Trip / Scram 3-Automatic Trip / Scram 4-Continuation 5-Other-(Explain)

SUMMARY

1-

CORRECTED NRC MONTHLY OPERATING DATA REPORT DOCKET NO.:

UNIT NAME:

DATE:

COMPLETED BY:

TELEPHONE:

50-529 PVNGS-2 10/09/03 J. M. Mellodv (623) 393-6422 Reporting Period:

September 2003

1.

Design Electrical Rating (Net MWe):

1265

2.

Maximum Dependable Capacity (Net MWe):

1243 Unit 2 Generatin Statistics This Month Yr. To Date Cumulative

3.

Hours Reactor was Critical 624.0 6,415.9 120,327.4

4.

Hours Generator was On-Line 624.0 6,402.6 118,982.2

5.

Unit Reserve Shutdown Hours 0.0 0.0 0.0

6.

Net Electrical Energy Generated (MWh) 779,176 8,032,292 144,975,973 UNIT SHUTDOWNS Outage Duration Hours Method of Shutting Down Reactor 3 Cause and Corrective Action

, to Prevent Occurrence No.

Date Type1 Reason2 03-02 09/27/03 S

95.98 C

1 Tripped RX to start 2R1 1 and replace steam generators.

IF-Forced S-Scheduled 2Reason:

A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training / License Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain) 3Method:

1-Manual 2-Manual Trip I Scram 3-Automatic Trip / Scram 4-Continuation 5-Other-(Explain)

SUMMARY

I 2-

CORRECTED NRC MONTHLY OPERATING DATA REPORT DOCKET NO.:

UNIT NAME:

DATE:

COMPLETED BY:

TELEPHONE:

50-530 PVNGS-3 10/09/03 J. M. Mellody (623) 393-6422 Reporting Period:

September 2003

1.

Design Electrical Rating (Net MWe):

1269

2.

Maximum Dependable Capacity (Net MWe):

1247 3.

4.

5.

6.

Unit 3 Generating Statistics This Month Yr. to Date Cumulative Hours Reactor was Critical 720.0 5,571.6 115,755.3 Hours Generator was On-Line 720.0 5,507.5 114,703.4 Unit Reserve Shutdown Hours 0.0 0.0 0.0 Net Electrical Energy Generated (MWh) 905,771 6,757,322 140,264,481 UNIT SHUTDOWNS Outage Duration Hours Method of Shutting Down Reactor3 Cause and Corrective Action to Prevent Occurrence No.

Date Type1 Reason2 No reactor shutdowns occurred during the month of September 2003.

F-Forced S-Scheduled 2 Reason:

A-Equipment Failure (Explain)

B-Maintenance or Test C-Refueling D-Regulatory Restriction E-Operator Training / License Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain) 3Method:

1-Manual 2-Manual Trip / Scram 3-Automatic Trip / Scram 4-Continuation 5-Other-(Explain)