ML18068A346

Monthly Operating Rept for Apr 1998 for Palisades Nuclear Plant.W/980501 Ltr

ML18068A346
Person / Time
Site:	Palisades
Issue date:	04/30/1998
From:	Hawn R, Schmidt R CONSUMERS ENERGY CO. (FORMERLY CONSUMERS POWER CO.)
To:	NRC OFFICE OF INFORMATION RESOURCES MANAGEMENT (IRM)
References
NUDOCS 9805140334
Download: ML18068A346 (5)

Text

A CMS Energy Company Palisades Nuclear Plant 21780 Blue Star Memorial Highway Covert, Ml 49043

• May 1, 1998 US NuClear Regulatory Commission Document Control Desk Washington. DC 20555 LICENSEE REPORT OF MONTHLY OPERATING DAT A DPR-20, DOCKET NO 50-255 Enclosed is a copy of the Monthly Operating Data and Summary of Operating Experience for the Palisades Nuclear Plant for the month of April 1998.

If you have any questions or concerns, please contact me at (616) 764-3179.

Sincerely,

~~

R.S.Hawn Reactor Engineering Supervisor CC: RAVincent, Palisades GABaustian, Palisades ALWilliams, Palisades KAToner, Palisades Senior Resident Inspector, Palisades DRHahn, Div of Rad Health Services, Lansing, Ml BWJorgensen, Michigan Dept of Labor, Lansing, Ml RWhale, Michigan Public Service Commission Records Center, INPO, Atlanta, GA CWMain, Palisades SMMclntyre, P26-204 Region Ill Administrator, USNRC Document Control, 950*22*35*10/L Cycle 1 3 Reports I II 9805140334 980430 ~*

PDR ADOCK 05000255 R PDR

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO 5Q-255 UNIT Psili:H!Q~§ DATE Q5LQ1 L98 COMPLETED BY BFSs;;bmidl MONTH April TELEPHONE (6161764-2185 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe Net) (MWe Net)

1. 7~Ur 17. 7f~O

2. ZQJ 18. Z6l

3. Z'fJ.Z 19. Z6l

4. 7§1 20. 758

5. 7JQ 21. 757

6. Z§l 22. Z5Z

7. 759 23. Z6Q

8. Z'Q.8 24. 70Z

9. Z§Q 25. 0

10. Z§J 26. 0

11. Z§Q 27. 0

12. 756 28.

13. Z'Q.4 29.

14. Z'fJ.6 30.

15. 757 31.

16. 756 INSTRUCTIONS:

On this format, list the average daily unit power level in MWe--NET for each day in the reporting month. Compute to the nearest whole megawatt.

SUMMARY

OF OPERATING EXPERIENCE FOR APRIL 1998 The Unit began the month operating at 96 percent power. The plant remained at this reduced power level due to one turbine stop valve being out-of-service. On April 24, 1998 at 1950 hours0.0226 days <br />0.542 hours <br />0.00322 weeks <br />7.41975e-4 months <br />, power reduction commenced, and the plant was taken off-line at 2351 hours0.0272 days <br />0.653 hours <br />0.00389 weeks <br />8.945555e-4 months <br /> for the 1998 refueling outage. On April 25, 1998 at 0003 hours3.472222e-5 days <br />8.333333e-4 hours <br />4.960317e-6 weeks <br />1.1415e-6 months <br /> the reactor was subcritical.

-~.

REPORT MONTH _ __,A"""P_,_R""'IL:....:..:19"'9.:..8_ _ DOCKET NO 50-255 UNIT Palisades DATE 05/01198 COMPLETED BY RFSchmidt TELEPHONE 616-764-2185 UNIT SHUTDOWNS AND POWER REDUCTIONS No. Date Type 1 Duration Reason 2 Method of Licensee System Component Cause & Corrective 5

(Hours) Shutting Event Code' Code Action to Down Reactor3 Report# Prevent Recurrence

8. 980424 s 144.1 c

1. 2. 3. 4. 5.

F: Forced Reason: Method: Exhibit G - Instructions Exhibit I - Same Source S: Scheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data B-Maintenance or Test 2-Manual Scram Entry Sheets for Licensee C-Refueling 3-Automatic Scram Event Report (LER) File D-Regulatory Restriction 4-0ther (Explain) (NUREG-0161)

E-Operator Training & License Examination F-Administrative G-Operational Error (Explain)

H-Other (Explain)

v*

OPERATING DATA REPORT DOCKET NO 50-255 DATE 5-1-98 COMPLETED BY RFSchmidt TELEPHONE (616)764-2185 OPERATING STATUS:

NOTES:

1. UNIT NAME Palisades

2. REPORTING PERIOD: 980401-980430

3. LICENSED THERMAL POWER (MWt) 2530

4. NAMEPLATE RATING (GROSS MWe) 811. 7

5. DESIGN ELECTRICAL RATING (NET MWe) 805

6. MAXIMUM DEPENDABLE CAPACITY (GROSS MWe) **770

7. MAXIMUM DEPENDABLE CAPACITY (NET MWe) **730

8. IF CHANGES OCCUR IN CAPCITY RATINGS (ITEM NUMBERS 3 THROUGH 7AND 7) SINCE LAST REPORT, GIVE REASONS:

9. POWER LEVEL TO WHICH RESTRICTED, IF ANY (NET MWe):

10. REASONS FOR RESTRICTIONS, IF ANY:

This Month Yr-to-Date Cumulative

11. HOURS IN REPORTING PERIOD 719.0 2879.0 231110. 0

12. NUMBER OF HOURS REACTOR WAS CRITICAL 575.1 2689.6 138659.1

13. REACTOR RESERVE SHUTDOWN HOURS

14. HOURS GENERATOR ON-LINE 574.9 2665.7 133606.9

• 15. UNIT RESERVE SHUTDOWN HOURS

16. GROSS THERMAL ENERGY GENERATED (MWH) 1393953 .1 6508604.2 2971894o"8. 4

17. GROSS ELECTRICAL ENERGY GENERATED (MWH) 455725 2122649 94293783

18. NET ELECTRICAL ENERGY GENERATED (MWH) 433366 2018780 89089996

19. UNIT SERVICE FACTOR 80.0% 92.6% 57.8%

20. UNIT AVAILABILITY FACTOR 80.0% 92.6% 57.8%

?l. UNIT CAPACITY FACTOR. (USING MDC NET) 82.6% 96.1% 56.2%*

22: UNIT CAPACITY FACTOR (USING DER NE'!') 74.9% 87 .1% 47.9%

23. UNIT FORCED OUTAGE RATE 0.0% 1. 2% 26.5%

24. SHUTDOWNS .SCHEDULED OVER THE NEXT 6 MONTHS (TYPE, DATE AND DURATION OF EACH):

Refueling Outage, Start 4/24/98, 39 days long

25. IF SHUTDOWN AT END OF REPORT PERIOD, ESTIMATED DATE OF STARTUP: 05/26/98

26. UNIT)- IN TEST STATUS (PRIOR TO COMMERCIAL OPERATION):

Forecast Achieved INITIAL CRITICALITY INITIAL ELECTRICITY COMMERCIAL OPERATION Based on condenser backpressure

• Weighted Average (635 MWe used as MDC Net prior to October 1985)