ML20148F923

Monthly Operating Rept for Mar 1978

ML20148F923
Person / Time
Site:	Yankee Rowe
Issue date:	04/12/1978
From:	Tarnuzzer E YANKEE ATOMIC ELECTRIC CO.
To:
Shared Package
ML20148F920	List: ML20148F914 ML20148F923
References
78-3, NUDOCS 8011060885
Download: ML20148F923 (6)

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YANKEE ATOMIC NUCLEAR P0h'ER STATION MONTHLY STATISTICAL REPORT 78-3 FOR THE MONTH OF MARCH, 1978 80110eo 88.c

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i; , OPERATING DATA REPORT '

DOCKET NO. 50-59 DATE 780412 COMPLETED BY R.bl. Sjocren TELEPHONE (617)360-9011 OPERATING STATUS Yankee Rowe Notes

1. Unit Name:

2. Reporting Period: March 1978 >

600

3. Licensed Thermal Power (h!Wt):

4. Nameplate' Rating (Gross h!We):

5. Design Electrical Rating (Net 51We): 175

6. Sf aximum Dependable Capacity (Gross MWe): 180

7. Sfaximum Dependable Capacity (Net MWe):

I#

8. If Changes Occur in Capacity Ratings (Items Number 3 Through 7) Since Last Report. Give Reasons:

None

9. Power 1.evel To Which Restricted. lf Any (Net MWe): N.A.

10. Reasons For Restrictions,If Any: _

N.A.

0

('-' This Month Yr..to Date Cumulative -

II. Hours in Reporting Period 744 2,160 -

12. Number Of Hours Reactor Was Critical 744 2.002 125.995

13. Reactor Reserve Shutdown Hours 0 0 0

14. Hours Generator On Line 744 1.985 . 121.769

15. Unit Re>ene Shutdown Hours 0 -

0 0

16. Gross Thermal Energy Generated (MWH) 445.042 1,178,278 64.594,046 .

17. Gross Electrical Energy Generated (MWH) 137.563 , _ ,

364,248 19.854,595

18. Net Electrical Energy Generated (MWH) 129,391 342,415 18,5S2,917

19. Unit Service Factor 100.0 91.9 79,9 ,

20. Unit Availability Fac.or 100.0 100.0 -

21. Unit Capacity Factor (Using MDC Net) 99.4 90.6 72.3

22. Unit Capacity Factor (Using DER Net) 99.4 90.6 .72.3

23. Unit Forced Outage Rate 0.0 7.5 1.7

24. Shutdowns Scheduled Over Next 6 Months (Type.Date.and Duration of Eachl:

None Scheduled

25. If Shur Down At E:.d Of Report Period. Estimated D.ite of Startup: N.A.

26. Units in Test Status (Prior to Commercial Operation): Forecast Achieved INITIA L CRITICALITY

l INITIA L ELECTRICITY V COM\lERCG AL OPERATION l

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AVERAGE DAILY UNIT POWER LEV $,;ce

- DOCKET No. 50-59 Yankco Rowe IT DATE 780412 {

COMPLETED BY N* N* b)0S " '

TELEPHONE

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- MONDI _ March 1978 D.4Y - AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL

. (MWe Net) (MWe. Net) 174 174 t 3 17 174' 174 '

2' 18 174 174 3' 19 4' 174 I 20 100 174 u

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174 174 6 y

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( 7 174 174 23 8

174 y 174 9 __ 25 10 175 174'

_ 3 11, 175 174 I

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175 174  !

12 . 28 174 174 13 29  ;

174 174 i 14 .30 jg 174 174 3,

1 16 174 l i

INSTRUCTIONS On this format, list the average daily unit power levelin MWe Net for each day in the reporting inonth. Compute to i the nearest whole megawatt.

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50-59 UNITSIlUTDOWNS AND POWER REDUCTIONS DOCKET NO. -

UNIT NAME t.ankee 1(owe .

DATE " " *

• COMPLETED IlY ll- fI- 63ogren REPORT MONT11 March 1978 TELEPilONE (617)366-9011

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T .$ Cause & Corrective -

.! E Licensee 5% 1, 3~5 my a.3 Action to No. Date R E8 n Event.

• . g$ E 5 jgg Report

• N0 0 Prevent Recurrence 6 .

780305 S 0 B 1 ZZ ZZZZZZ 30% load reduction for 8 hours9.259259e-5 days <br />0.00222 hours <br />1.322751e-5 weeks <br />3.044e-6 months <br /> to 4-pe'rform turbine throttle valve

l st3rveillance test .

I 2 3 4 F; Fenced Reason: Method: Edibit G-Instructions S: Stheduled A-Equipment Failure (Explain) 1-Manual for Preparation of Data

n. Maintenance of Test 2-Manual Scram. Entry Sheets for Licensee C-Refueling. 3-Automatic Scram. Event Report (LER) File (NUREG-D-Regulatory Restriction 4-Ot her (Explain) 0161)

E-Operator Training & License Examination F-Administrative '5 G-Operational Error (Explain) Exhibit I - Same Source (9/77) Il-Other (Explain)

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DOCKET NO.- 50-59 UNIT Yankee Rowe DATE 780412 ,

COMPLETED BY R. M. Sjogren TELbPil0NE (617)'366-9011 SIM1ARY OF OPERATING EXPERIENCES.

l The plant operated at 100% of rated power for the entire period, except for.one load reduction on March 5. At 0100 hours0.00116 days <br />0.0278 hours <br />1.653439e-4 weeks <br />3.805e-5 months <br />, load was

. reduced from 185 MW to 130 l& to perform turbine throttle and control valve surveillance testing.. Testing was_ complete at 0500 and the return to full power.was. complete at 0900. There are no major safety-related maintenance items to report.

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R_GULATORY Ii4F;- :iiATION Tu 5TRIBUTI-lJi.; ., r :. . Ei.:. .

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DIS T R J, >R U T I Oi-l F O R IljCCiiINO finTERI AL 50-020

~.ITC ORG: HnODi DE DOCD ATE: 04/12/79 NRC YAidi:EE ATOHIC ELEC DATE RCVD: 04/17 /7:::

OCTYi:E: L.ETTER NdTARIZED: NO COFIE9 RECEIVED UIsJECT: LTR 1 ENCL 1

~OEiJ AR rili .ir4 5Uu . .t T FACIl.ITY"', liONTHL.Y OPERATIiiG REF T FOR T HE MONTH OF MARCH, 7! ANT i.iAl'iE: VANi.:EE ROWE REVIEWEF: llJITI AL: XJM DISTRIDUTOR I N I T I AL : *.L -

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• HONTHLv urt: -:,-iT I NG f.i . PORT FOR GRAY EOOi.: PREi ARATION (DT::, TRIT;UTInii Cout s w.HQ_

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