ML032340653

July 2003 Monthly Operating Report for Dresden, Units 2 & 3

ML032340653
Person / Time
Site:	Dresden
Issue date:	08/15/2003
From:	Hovey R Exelon Generation Co, Exelon Nuclear
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
RHLTR: #03-0058
Download: ML032340653 (7)

Text

.,- , s xelkrnSM Exelon Generation Dresden Generating Station www~exeloncorpxcor Nuclear 6500 North Dresden Road Morris, IL60450-9765 Tel 815-942-2920 August 15, 2003 RHLTR: #03-0058 U. S. Nuclear Regulatory Commission Attention: Document Control Desk Washington, DC 20555-0001 Dresden Nuclear Power Station, Units 2 and 3 Facility Operating License Nos. DPR-19 and DPR-25 Docket Nos. 50-237 and 50-249

Subject:

Monthly Operating Report for July 2003 In accordance with Technical Specifications, Section 5.6.4, "Monthly Operating Reports," we are submitting the July 2003 Monthly Operating Report for Dresden Nuclear Power Station (DNPS), Units 2 and 3.

Should you have any questions concerning this letter, please contact Mr. Jeff Hansen, Regulatory Assurance Manager, at (815) 416 - 2800.

Respectfully, R. J. Hovey Site Vice President Dresden Nuclear Power Station Attachment cc: Regional Administrator - NRC Region IlIl NRC Senior Resident Inspector - Dresden Nuclear Power Station Z'4

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z ATTACHMENT DRESDEN NUCLEAR POWER STATION, UNITS 2 AND 3 MONTHLY OPERATING REPORT FOR JULY 2003 EXELON GENERATION COMPANY, LLC FACILITY OPERATING LICENSE NOS. DPR-19 AND DPR-25 NRC DOCKET NOS. 50-237 AND 50-249 I

TABLE OF CONTENTS I. Summary of Operating Experience A. Unit 2 Monthly Operating Experience Summary B. Unit 3 Monthly Operating Experience Summary II. Operating Data Statistics A. Operating Data Report - Dresden Unit 2 B. Operating Data Report - Dresden Unit 3 III Unit Shutdowns A. Unit 2 Shutdowns B. Unit 3 Shutdowns IV. Challenges to Safety and Relief Valves 2

I.

SUMMARY

OF OPERATING EXPERIENCE FOR JULY 2003 A. UNIT 2 MONTfILY OPERATING EXPERIENCE

SUMMARY

On July 20, 2003, at approximately 0500 hours0.00579 days <br />0.139 hours <br />8.267196e-4 weeks <br />1.9025e-4 months <br />, load was reduced to approximately 68 percent electrical output to perform a control rod pattern adjustment. The Unit was returned to full power operation on July 20, 2003, at approximately 1900 hours0.022 days <br />0.528 hours <br />0.00314 weeks <br />7.2295e-4 months <br />.

With the exception of short periods for routine maintenance, surveillances and the above occurrence, Unit 2 operated at full power throughout the remainder of the reporting period.

B. UNIT 3 MONTHLY OPERATING EXPERIENCE

SUMMARY

Unit 3 operated at full power throughout the reporting period.

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H. OPERATING DATA STATISTICS A. Dresden Unit 2 Operating Data Report for July 2003 DOCKET NO. 050-237 DATE August 01, 2003 COMPLETED BY Don Hamilton TELEPHONE (815) 416-3585 OPERATING STATUS

1. REPORTING PERIOD: July 2003

2. CURRENTLY AUTHORIZED POWER LEVEL (MWth): 2,957:

MAXIMUM DEPENDABLE CAPACITY (MWe NET): 850 (estimated)

DESIGN ELECTRICAL RATING (MWe Net): 867 Unit Two Monthly Operating Status This Month Year to Date Cumulative

3. Reactor Critical - Hours 744 5,087 221,485

4. Hours Generator On-Line 744 5,087 212,996

5. Unit Reserve Shutdown - Hours 0 0 4

6. Net Electrical Energy Generated - MWHe 643,747 4,301,480 1 142,311,633 4

I-f, II. OPERATING DATA STATISTICS B. Dresden Unit 3 Operating Data Report for July 2003 DOCKET NO. 050-249 DATE August 01, 2003 COMPLETED BY Don Hamilton TELEPHONE (815) 416-3585 OPERATING STATUS

1. REPORTING PERIOD: July 2003

2. CURRENTLY AUTHORIZED POWER LEVEL (MWth): 2,957 MAXIMUM DEPENDABLE CAPACITY (MWe NET): 850 (estimated)

DESIGN ELECTRICAL RATING (MWe Net): 867 Unit Three Monthl Operating Status This Month Year to Date Cumulative

5. Reactor Critical - Hours 744 4,957 207,988

6. Hours Generator On-Line 744 4,890 199,966

9. Unit Reserve Shutdown - Hours 0 0 1

10. Net Electrical Energy Generated - MWHe 649,412 4,162,315 133,525,716 5

III. UNIT SHUTDOWNS A. Unit 2 Shutdowns for July 2003 NO DATE TYPE DURATION REASON (2) METHOD OF CORRECTIVE ACTIONS/ .

(1) (HOURS) SHUTTING DOWN COMMENTS REACTOR (3)

None . _ - _ - _

B. Unit 3 Shutdowns for July 2003 LEGEND:

(1) Type: -(2 Reason (3) Method F - Forced A. Equipment Failure (Explain) I. Manual S - Scheduled B. Maintenance or Test 2. Manual Trip I Scram C. Refueling 3. Automatic Trip Scram D. Regulatory Restriction 4. Continuation E. Operator Training & Licensing Exam 5. Other (Explain)

F. Administrative G. Operational Error (Explain)

H. Other (Explain)

IV. Challenges to Safety and Relief Valves Unit 2 None Unit 3 None 6