ML17286A765

Monthly Operating Rept for Apr 1991 for WNP-2

ML17286A765
Person / Time
Site:	Columbia
Issue date:	04/30/1991
From:	Hutchison L WASHINGTON PUBLIC POWER SUPPLY SYSTEM
To:
Shared Package
ML17286A764	List: ML17286A763 ML17286A765 ML17286A766
References
NUDOCS 9105210368
Download: ML17286A765 (4)

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OPERATING DATA REPORT WNP-2 Ol-May-91

1. DOCKET: 50-397

2. REPORTING PERIOD: Apr-91 OUTAGE + ON-LINE HOURS 719

3. UTILXTY CONTACT: LEONARD HUTCHISON (509) 377-2486

4. LICENSED THERMAL POWER (MWt): 3323

5. NAMEPLATE RATING (GROSS MWe): 1200.9

6. DESIGN ELECTRICAL RATING (NET MWe): 1100

7. MAXIMUM DEPENDABLE CAPACITY (GROSS MWe): 1140

8. MAXIMUM DEPENDABLE CAPACXTY (NET MWe): 1095

9. IF CHANGES OCCUR ABOVE SINCE LAST REPORT, GIVE REASONS:

None.

10. POWER TO WHICH RESTRXCTED, IF ANY (NET MWe):

1 1 ~ REASONS FOR RESTRICTIONS I IF ANY MONTH YEAR Sled CUMULATIVE

12. REPORT PERIOD HOURS 719 2879 55903.2

13. HOURS REACTOR CRITICAL 299.0 2459.0 41443.2

14. RX RESERVE SHTDWN HRS 0.0 0.0 340.4

15. HRS GENERATOR ON LINE 292.0 2439.3 40042.2

16. UNIT RESERVE SHUTDOWN HOURS 0.0 0.0 381.7

17. GROSS THERMAL ENERGY (MWH) 943414 7921510 114270535

18. GROSS ELECTRICAL ENERGY (MWH) 313790 2663880 38065520

19. NET ELECTRICAL ENERGY (MWH) 297765 2566688 36594858

20. UNIT SERVICE FACTOR 40.6% 84.74 71.6%

21. UNIT AVAXLABILITYFACTOR 40. 6>o 84.7% 72.3%

22. UNIT CAPACXTY FACTOR (MDC NET) 37.8< 81 '+o 59 '~o

23. UNIT CAPACITY FACTOR (DER NET) 37.6C 0+o 59 '~o

24. UNIT FORCED OUTAGE RATE 0.0% 0. O~o 7. S~o

25. FORCED OUTAGE HOURS 0.0 0.0 3401.2 26 ~ SHUTDOWNS SCHEDULED OVER THE NEXT 6 MONTHS (TYPE I DATE I DURATION)

27. IF CURRENTLY SHUTDOWN ESTIMATED STARTUP DATE: 6 8 91 9105210368 910501 PDR ADOCK 05000397 R PDR

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DOCKET NO.: 50-397 ~

UNIT NAME: WNP-2 DATE: MAY 1, 1991 COMPLETED BY: LB HUTCHISOk TELEPHONE: (509) 377-2486 UNIT SHUTDOWNS / REDUCTIONS REPORT PERIOD: APRIL 1991 NO. DATE TYPE HOURS R~EA ON METHOD LER NO SYSTEM COMPONENT CAUSER ORRECTIVE ACTION TO PREVENT RECURRE E 91-02 4/13/91 S 427 N/A RC FUEL XX Plant was shutdown as scheduled for refueling outage R-6.

SUMMARY

WNP-2 operated routinely in April, completing the end of cycle on a fuel coastdown. Plant was shutdown on April 13, 1991 for a scheduled refueling outage.

TYPE REASON METHOD SYSTEM & COMPONENT F-FORCED A-EQUIP FAILURE F-ADMIN 1-MANUAL EXHIBITF & H S-SCHED B-MAINTOR TEST G-OPER ERROR 2-MANUALSCRAM INSTRUCTIONS FOR-C-REFUELING H-OTHER 3-AUTO SCRAM PREPARATION OF D-REGULATORY RESTRICTION 4-CONTINUED DATA ENTRY SHEET E-OPERATOR TRAINING & 5-REDUCED LOAD LICENSEE EVENT REPORT LICENSE EXAM 9-OTHER (LER) FILE (NUREG %161)

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A RAGE DAILYUNIT POWER L L DOCKET NO.: 50-397 UNIT: WNP-2 DATE: APRIL 1991 COMPLETED BY: LB HUTCHISON TELEPHONE: (509) 377-2486 MONTH: APRIL 1991 DAY AVERAGE DAILYPOWER LEVEL DAY AVERAGE DAILYPOWER LEVEL (MWe-NET) (MWe-NET) 1056 17.

1054 18.

1052 19.

1055 20.

1063 21.

1081 22.

7. 1082 23.

1079 1067

10. 1074 26.

1068 27.

12. 894 28.

13. 10 29.

14. 30.

15. 31.

INSTRUCTIONS 16.

ON THIS FORM, LIST THE AVERAGE DAILYUNIT POWER LEVEL IN MWe-NET FOR EACH DAY IN THE REPORTING MONTH. COMPUTE TO THE NEAREST WHOLE MEGAWATT.

THESE FIGURES WILLBE USED TO PLOT A GRAPH FOR EACH REPORTING MONTH. NOTE THAT WHEN MAXIMUMDEPENDABLE CAPACITYIS USED FOR THE NET ELECTRICALRATING OF THE UNIT, THRE MAY BE OCCASIONS WHEN THE DAILY AVERAGE POWER LEVEL EXCEEDS THE 1009o LINE (OR THE RESTRICTED POWER LEVEL LINE). IN SUCH CASES, THE AVERAGE DAILYUNIT POWER OUTPUT SHEET SHOULD BE FOOTNOTED TO EXPLAIN THE APPARENT ANOMALY.