U-603620, April 2003 Monthly Operating Report for Clinton, Unit 1

April 2003 Monthly Operating Report for Clinton, Unit 1

ML031350614
Person / Time
Site:	Clinton
Issue date:	05/07/2003
From:	Iliff W AmerGen Energy Co
To:	Document Control Desk, Office of Nuclear Reactor Regulation
References
U-603620
Download: ML031350614 (5)

Text

Ameren-An Exelon/British Energy Company Clinton Power Station R.R. 3 Box 228 Clinton, IL 61727-9351 10CFR50.36 U-603620 May 7, 2003 U.S. Nuclear Regulatory Commission ATTN: Document Control Desk Washington, D.C. 20555-0001 Clinton Power Station Facility Operating License No. NPF-62 NRC Docket No. 50-461

Subject:

April 2003 Monthly Operating Report Please find in Attachment 1 the Monthly Operating Report for Clinton Power Station, Unit 1, for the period ending April 30, 2003.

Respectfully, Regulator Assurance Manager Clinton Power Station MJS/blf Attachments cc: Regional Administrator - NRC Region IlIl NRC Senior Resident Inspector - Clinton Power Station Office of Nuclear Facility Safety - Illinois Department of Nuclear Safety a

ATTACHMENT 1 CHALLENGES TO MAIN STEAM SAFETY/RELIEF VALVES Month April 2003 None

ATTACHMENT 2 AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-461 UNIT Clinton 1 -

DATE 04/30/03 COMPLETED BY M. J. Sloan TELEPHONE (217)937-3280

\ J B - - - -

MONTH April 2003 1 1025 17 1025 2 1025 18 1025 3 1025 19 1026 4 1025 20 1025 5 1025 21 1025 6 983 22 1025 7 1023 23 1025 8 1023 24 1025 9 1025 25 1025 10 1007 26 1025 11 34 27 1026 12 0 28 1023 13 235 29 1024 14 995 30 1023 15 1012 16 1024

ATTACHMENT 3 OPERATING DATA REPORT DOCKET NO. 50-461 UNIT Clinton 1 DATE 04/30/03 COMPLETED BY M. J. Sloan TELEPHONE (217)937-3280 OPERATING STATUS

1. REPORTING PERIOD: April2003 GROSS HOURS IN REPORT PERIOD: 719

2. CURRENTLY AUTHORIZED POWER LEVEL (MWt): 3473 MAX. DEPEND. CAPACITY (MDC) (MWe-Net): 1022 DESIGN ELECTRICAL RATING (MWe-Gross): 1062

3. POWER LEVEL TO WHICH RESTRICTED (IF ANY) (MWe-Net): None

4. REASONS FOR RESTRICTION (IF ANY): N/A THIS MONTH YR TO DATE CUMULATIVE

5. NUMBER OF HOURS REACTOR WAS CRITICAL 675.0 2835.0 91.571.8

6. REACTOR RESERVE SHUTDOWN HOURS 0.0 0.0 0.0

7. HOURS GENERATOR ONLINE 662.4 2822.4 89.411.9

8. UNIT RESERVE SHUTDOWN HOURS 0.0 0.0 4.0

9. GROSS THERMAL ENERGY GENERATED (MWH) 2.068.695 8,887.151.0 248,516.896.6

10. GROSS ELECTRICAL ENERGY GENERATED (MWH) 691,783.0 2.976.810.0 82.398.523

11. NET ELECTRICAL ENERGY GENERATED (MWH) 666.612 2.871.569.5 78,696.467

12. REACTOR SERVICE FACTOR 93.9% 98.5% _67.7%

13. REACTOR AVAILABILITY FACTOR 93.9% 98.5% 67.7%

14. UNIT SERVICE FACTOR 92.1 % 98.0% 66.1%

15. UNIT AVAILABILITY FACTOR 92.1% 98.0% 66.1%

16. UNIT CAPACITY FACTOR (Using MDC) 99.7% 107.2% 62.6%

17. UNIT CAPACITY FACTOR (Using Design MWe) 91.2% 98.1% 57.2%

18. UNIT FORCED OUTAGE RATE 0.0% 0.0% 6.6%

19. SHUTDOWNS SCHEDULED OVER NEXT SIX MONTHS (TYPE, DATE, DURATION OF EACH):

TYPE DATE DURATION N/A

20. IF SHUT DOWN AT END OF REPORT PERIOD, ESTIMATED DATE OF STARTUP:

N/A

IA ATTACHMENT 4 '4 UNIT SHUTDOWNS DOCKET NO. 50-461 UNIT Clinton 1 DATE 04/30/03 COMPLETED BY M. J. Sloan REPORT MONTH April 2003 METHOD OF TYPE SHUTTING DOWN FORCED DURATION THE REACTOR OR CORRECTIVE NO. DATE F: SCHEDULED (HOURS) REASON (1) REDUCING POWER ACTIONS/COMMENTS (2)

CIM13 04/11/03 SCHEDULED 56.6 HOURS B 2 PLANNED OUTAGE TO REPAIR THE 'B' REACTOR RECIRCULATION FLOW CONTROL VALVE. DURING THE DOWN-POWERING EVOLUTION, A MANUAL REACTOR SCRAM WAS INITIATED AT APPROXIMATELY 33%

POWER DUE TO HIGH VIBRATION LEVELS OBSERVED ON THE MAIN TURBINE BEARINGS.

(1) Reason A - Equipment Failure (explain), B - Maintenance or Test, C - Refueling, D - Regulatory Restriction E - Operator training & License Examination, F - Administrative, G - Operational Error (expjain)

(2) Method 1 - Manual, 2 - Manual Scram, 3 - Automatic Scram, 4 - Other (explain)