ML20049J807

Monthly Operating Rept for Apr 1981

ML20049J807
Person / Time
Site:	Yankee Rowe
Issue date:	05/11/1981
From:	Bernar D YANKEE ATOMIC ELECTRIC CO.
To:
Shared Package
ML20049J805	List: ML20049J804 ML20049J807
References
NUDOCS 8203290111
Download: ML20049J807 (5)

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YANKEE ATOMIC NUCLEAR POWER STATION MONTHLY STATISTICAL REPORT 81-4 FOR THE MONTH OF APRIL, 1981 I

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8203290111 810511 PDR ADOCM 05000029 R

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OPERATING DATA REPORT DOCKET NO.

50-29 DATE R10911 C051PLETED BY D-M. Bernard TELEPHONE 617-872-8100 X239C OPERATING STATUS Yankee Rowe Notes

1. Unit Name:

2. Reporting Period:

April. 1981 power level restricted by 600 installation of baffle

3. Licensed Thermal Power (51Wt):

185 plates in turbine.

4. Nameplate Rating (Gross 5tWe):

175

5. Design Electrical Rating (Net SIWE):

180

6. 51sximum Dependable Capacity (Gross 31We):

175 l

7. 51sximum Dependable Capacity (Net SIWE):

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

9. Power Level To Which Restricted,if Any (Net 5tWe):

150 MWe See Notes

10. Reasons For Restrictions.If Any:

This $1onth Yr..to.Date Cumulative i

II. Hours in Reportin2 Period 719.00 2.879.00

12. Number Of Hours Reactor Was Critical 719.00 2.826.13 143.160.41

13. Reactor Resene Shutdown Hours 0.00 0.00 0.00

14. Hours Cenerator on-Line 719.00 2.810.52 138.772.25

15. Unit Reserve Shutdown Hours 0.00 0.00 0.00

16. Gross Thermal Energy Generated (SIWH) 314.516.00 1.474.530.00 -74.348.310.81

17. Gross Electriest Energy Generated (51WH) 82,641.40, 394.392.70' 22.779,533.20

18. Net Electrical Energy Generated (51WH) 75.348.64 364.381.41 21.322.491.10

19. Unit Service Factor 100.00 97.62 77.36

20. Unit Availability Factor 100.00 97.62 77.36

21. Unit Capacity Factor (Using SIDC Net) 59.88 72.32 70.08 59.88 72.32 70.08

22. Unit Capacity Factor (Using DER Net)

23. Unit Forced Outage Rate 0.00 2.38_

5.32

24. Shutdowns Scheduled Over Next 6 Stonths (Type.Date.and Durstion of Eacht:

A a v week refueline and maintenance shutdown is scheduled to begin May 2.1981.

25. If Shut Down At End Of Report Period. Estimated Date of Startup:

26. Units in Test Status (Prior o Commercial Operation):

Forecast Achieved INITIA L CRITICALITY INITIA L ELECTRICITY COstalERCIAL OPERATION 6/77)

AVERAGE DAILY UNIT POWER LEVEL DOCKET NO. 50-29 UNIT Yankee Rowe DATE R1 n e,11 COMPLETED BY D. M. Bernard i

TELEPHONE 617-872-8100 X2390 MONTH APRIL, 1981 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY PCWER LEVEL (MWe. Net)

(MWe. Net) i 113.4 17 103.9 2

113.0 18 103.3 3

112.5 19 102.7 4

111.9 20 99.3 5

111.3 21 102.0 6

110.7 22 101.0 9k,"

7 110.4 23 100.3 l

8 109.8 24 99.6 9

109.0 25 99.1 10 108.2 26 98.4 11 107.7 27 97.9 12 107.1 28 97.5 13 106.2 29 96.8 34 105.6 30 95.9 104.7 15 3y 16 104.4 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.

(9/77)

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UNITSilUTDOWNS AND POWER REDUCTIONS DOCKET NO.

50-29 UNIT NAME Yankee Rowe DATE 810511 REPORT &f0NTil APRIL. 1981 COMPLETED 11Y D. M. Bernard TELEPIIONE 617-872-8100 X2390 E

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Cause & Corrective No.

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Event g7 e.1 Action so fE 5'

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O None N/A N/A N/A N/A N/.A N/A N/A N/A N/A I

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F: Fm 6ed iteason:

Meiliod:

Enliibii G - Instructions S: Silieduled A rynipment Failure (Explain) 1-Manual for Picparai on of Data ll Maintenance ni Test 7 Manual Scram.

Entry Sliece. for 1.isensee C Itefueling 3 Automatic Scram.

Eveni Repois (Lliiti Fde INUltl'.G.

D Regulatiny itesirienion 4-Oilict (Explain) 01611 li-Opeutor Tsaining& Ucense Examination F Administutive 5

G Opesational I ni (limplain)

Eminleis 1 Same Somce 08/77)

II 0 lies Ilimplain)

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DOCKET No UNIT DArg O'#LETED ay klEpyoyg REPORT MONTH SimARY PRIL 1981 OF OPERATING 4/1/81 EXPERIENCES The plant w 4/20/81 as in a At 0600 hours0.00694 days <br />0.167 hours <br />9.920635e-4 weeks <br />2.283e-4 months <br /> coast dow throttle n

condition and control valva load r d a t 124. '

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completed and a pl At 1000 hours0.0116 days <br />0.278 hours <br />0.00165 weeks <br />3.805e-4 months <br /> the pl w

ant load increa.as e ex 4/30/81 ercises The At 0900 bc ant w coast down pow at full se from 93 as load M.

er gener tion for the a

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as 105 6 Mh'e.

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