SVPLTR 04-0047, June 2004 Monthly Operating Report for Dresden Nuclear Power Station, Units 2 and 3

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June 2004 Monthly Operating Report for Dresden Nuclear Power Station, Units 2 and 3
ML042030313
Person / Time
Site: Dresden  Constellation icon.png
Issue date: 07/14/2004
From: Bost D
Exelon Generation Co, Exelon Nuclear
To:
Document Control Desk, Office of Nuclear Reactor Regulation
References
SVPLTR #04-0047
Download: ML042030313 (7)


Text

Exelon.

Exelon Generation Company, LLC Dresden Nuclear Power Station www.exeloncorp.com Nuclear.

6500 North Dresden Road Morris, IL60450-9765 July 14, 2004 SVPLTR #04-0047 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 June 2004 In accordance with Technical Specifications, Section 5.6.4, "Monthly Operating Reports," we are submitting the June 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, Danny G. B s Site Vice resident Dresd Nuclear Power Station Attachment cc: Regional Administrator - NRC Region IlIl NRC Senior Resident Inspector - Dresden Nuclear Power Station 1-a67*

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

1. 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 JUNE - 2004 A. UNIT 2 MONTHLY OPERATING EXPERIENCE

SUMMARY

On June 20, at approximately 0200 hours0.00231 days <br />0.0556 hours <br />3.306878e-4 weeks <br />7.61e-5 months <br />, load was reduced to approximately 89% electrical output due to low demand on the grid as determined by the load dispatcher. The unit returned to full power operation at approximately 1000 hours0.0116 days <br />0.278 hours <br />0.00165 weeks <br />3.805e-4 months <br /> on June 20.

On June 21, at approximately 0100 hours0.00116 days <br />0.0278 hours <br />1.653439e-4 weeks <br />3.805e-5 months <br />, load was reduced to approximately 89% electrical output due to low demand on the grid as determined by the load dispatcher. The unit returned to full power operation at approximately 0600 hours0.00694 days <br />0.167 hours <br />9.920635e-4 weeks <br />2.283e-4 months <br /> on June 21.

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

B. UNIT 3 MONTHLY OPERATING EXPERIENCE

SUMMARY

On June 20, at approximately 0200 hours0.00231 days <br />0.0556 hours <br />3.306878e-4 weeks <br />7.61e-5 months <br />, load was reduced to approximately 89% electrical output due to low demand on the grid as determined by the load dispatcher. The unit returned to full power operation at approximately 1100 hours0.0127 days <br />0.306 hours <br />0.00182 weeks <br />4.1855e-4 months <br /> on June 20.

On June 21, at approximately 0100 hours0.00116 days <br />0.0278 hours <br />1.653439e-4 weeks <br />3.805e-5 months <br />, load was reduced to approximately 89% electrical output due to low demand on the grid as determined by the load dispatcher. The unit returned to full power operation at approximately 0600 hours0.00694 days <br />0.167 hours <br />9.920635e-4 weeks <br />2.283e-4 months <br /> on June 21.

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.

3

I-I II. OPERATING DATA STATISTICS A. Dresden Unit 2 Operating Data Report for June 2004 DOCKET NO. 050-237 DATE July 1, 2004 COMPLETED BY Joseph Reda TELEPHONE (815) 416-3081 OPERATING STATUS

1. REPORTING PERIOD: June 2004
2. CURRENTLY AUTHORIZED POWER LEVEL (MWth): 2,957 MAXIMUM DEPENDABLE CAPACITY (MWe NET): 850 (estimated)

DESIGN ELECTRICAL RATING (MWe Net): 867 Unit 2 Monthly Operating Status This Mlonth Year to Date Cumulative

3. Reactor Critical - Hours 720 4,028 228,504
4. Hours Generator On-Line 720 3,985 219,893
5. Unit Reserve Shutdown - Hours 0 0 4
6. Net Electrical Energy Generated - MWHe 625,051 3,434,116 148,147,377 4

II. OPERATING DATA STATISTICS B. Dresden Unit 3 Operating Data Report for June 2004 DOCKET NO. 050-249 DATE July 1, 2004 COMPLETED BY Joseph Reda TELEPHONE (815) 416-3081 OPERATING STATUS

2. REPORTING PERIOD: June 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 720 4,200 215,528
4. Hours Generator On-Line 720 4,144 207,426
5. Unit Reserve Shutdown - Hours 0 0 1
6. Net Electrical Energy Generated - MWHe 625,463 3,544,204 139,871,465 5

111. UNIT SHUTDOWNS A. Unit 2 Shutdowns for June 2004 B. Unit 3 Shutdowns for June 2004 NO DATE TYPE DURATION REASON (2) METHOD OF CORRECTIVE ACTIONS/

(I ) (HOURS) SHUTTING DOWN COMMENTS l~REACTOR (3)

'None LEGEND:

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

F. Administrative G. Operational Error (Explain)

H. Other (Explain)

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