SVPLTR 04-0053, July 2004 Monthly Operating Report for Dresden Nuclear Power Station Units 2 and 3

July 2004 Monthly Operating Report for Dresden Nuclear Power Station Units 2 and 3

ML042370237
Person / Time
Site:	Dresden
Issue date:	08/13/2004
From:	Bost D Exelon Generation Co, Exelon Nuclear
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
SVPLTR #04-0053
Download: ML042370237 (7)

Text

Exelon Generation Company, LLC wwwexeloncorp.com Exelekn. Nuclear Dresden Nuclear Power Station 65oo North Dresden Road Morris, IL 60450-9765 August 13, 2004

%SVPLTR#04-0053 U. S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, DC 20555-0001 Dresden Nuclear Power Station, Units 2 and 3 Facility Operating License Nos. DPR-19'and DPR-25 NRC Docket Nos. 50-237 and 50-249

Subject:

Monthly Operating Report for July 2004 In accordance with Technical Specifications, Section 5.6.4, 'Monthly Operating Reports," we are submitting the July 2004 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, DannyBost Sit/ice President Dresden Nuclear Power Station Attachment cc: Regional Administrator - NRC Region IlIl NRC Senior Resident Inspector - Dresden Nuclear Power Station I62jW

ATTACHMENT DRESDEN NUCLEAR POWER STATION, UNITS 2 AND 3 MONTHLY OPERATING REPORT FOR JULY 2004 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

1.

SUMMARY

OF OPERATING EXPERIENCE FOR JULY - 2004 A. UNIT 2 MONTHLY OPERATING EXPERIENCE

SUMMARY

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

B. UNIT 3 MONTHLY OPERATING EXPERIENCE

SUMMARY

On July 26, at approximately 0000 hours0 days <br />0 hours <br />0 weeks <br />0 months <br />, load was reduced to approximately 92%

electrical output to perform a control rod pattern adjustment. The unit returned to full power operation at approximately 0500 hours0.00579 days <br />0.139 hours <br />8.267196e-4 weeks <br />1.9025e-4 months <br />.

With the exception of short periods for routine maintenance, surveillances and the above occurrences, Unit 3 operated at full power throughout the remainder of the reporting period.

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II. OPERATING DATA STATISTICS A. Dresden Unit 2 Operating Data Report for July 2004 DOCKET NO. 050-237 DATE August 2, 2004 COMPLETED BY Joseph Reda TELEPHONE (815) 416-3081 OPERATING STATUS

1. REPORTING PERIOD: July 2004

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

DESIGN ELECTRICAL RATING (MWe Net): 867 Unit 2 Monthly perating Statu This Month Year to Date Cumulative

3. Reactor Critical - Hours 744 4,772 229,248

5. Unit Reserve Shutdown - Hours 0 0 4

• 6. Net Electrical Energy Generated - MWHe 646,513 4,080,629 1 148,793,890 4

II. OPERATING DATA STATISTICS B. Dresden Unit 3 Operating Data Report for July 2004 DOCKET NO. 050-249 DATE August 2, 2004 COMPLETED BY Joseph Reda TELEPHONE (815) 416-3081 OPERATING STATUS

1. REPORTING PERIOD: July 2004

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

DESIGN ELECTRICAL RATING (MWe Net): 867 Unit 3 Monthly 0 erating Status This Month Year to Date Cumulative

3. Reactor Critical - Hours 744 4,944 216,272

4. Hours Generator On-Line 744 4,888 208,170

5. Unit Reserve Shutdown -Hours 0 0 . 1

6. Net Electrical Energy Generated - MWHe 648,109 4,192,313 140,519,574 5

111. UNIT SHUTDOWNS A. Unit 2 Shutdowns for July 2004 None DATE O

(I) 1 j

lTYPE DURATION REASON (2)

(HOURS)

E DREACTOR METHOD OF SHUTTING DOWN (3)

CORRECTIVE ACTIONS/

COMMENTS B. Unit 3 Shutdowns for July 2004 LEGEND:

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

F. Administrative G. OperationalError(Explain)-

H. Other (Explain)

IV. Challen2es to Safety and Relief Valves Unit 2 None Unit 3 None 6