ML20024F062

Monthly Operating Rept for Jul 1983

ML20024F062
Person / Time
Site:	Yankee Rowe
Issue date:	08/05/1983
From:	Batterson S, Heider L YANKEE ATOMIC ELECTRIC CO.
To:	NRC OFFICE OF RESOURCE MANAGEMENT (ORM)
References
FYR-83-74, NUDOCS 8309080171
Download: ML20024F062 (6)

Text

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%e T11ephon2 (617) 872-8100 TWX 7103801619 YANKEE ATOMIC ELECTRIC COMPANY i

1671 Worcester Road, Framingham, Massachusetts 01701 KEE

• w August 5, 1983 17.R.4.2 FYR 83-74 United States Nuclear Regulatory Commission Dircator, Office of Management Information and Program Control Washington, DC 20555

Dear Sir:

Submitted herewith is the Monthly Statistical Report for the Yankee Atomic Nuclear Power Station for the month of July,1983.

Very truly yours, YANKEE ATOMIC ELECTRIC COMPANY t&

L. H. Heider Vice President / Manager of Operations I

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8309080171 830805 f'

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4 YANKEE ATOMIC NUCLEAR POWER STATION MONTHLY STATISTICAL REPORT 83-07 FOR THE MONTH OF JULY, 1983

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OPERATING DATA REPORT DOCKET NO.

50-29 DATE 830805 COMPLETED 8Y c narrar=on TELEPHONE 617-872-8100 OPERATING STATUS

1. Unit Name:

Yankee Rowe Notes

2. Reporting Period:

July, 1983

3. Licensed Thermal Power (MWt):

600

4. Nameplate Rating (Gross MWe):

185

5. Design Electrical Rating (Net MWe):

175 180

6. Maximum Dependable Capacity (Gross MWe):

7. Maximum Dependable Capacity (Net MWe):

175

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 MWe):

10. Reasons For Restrictions.If Any:

l This Month

.Yr to.Date Cumulative I1. HoursIn Reportin2 eriod 744.00 5,087.00 P

12. Number Of Hours Reactor Was Critical 733.25 4,728.86 158,189.21

13. Reactor Reserve Shutdown Hours 0.00 0.00 0.00

14. Hours Cenerator On.Line 731.07 4,691.85 153,601.o l

IS. Unit Reserve Shutdown Hours n.nn 0.00 0.00

16. Gross Thermal Energy Generated (MWH) 435.911'.00 2.758,332.00 82,951,144.52

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17. Gross Electrical Energy Generated (MWH) 130.151.60 847,912.70 25,138,796.00 l

18. Net Electrical Energy Generated (MWH) 197.049.13 795.825.65 23.521,080.36

19. Unit Service Factor 98.26 92.23 77.14 l

- 20. Unit Availability Factor 98.26 92.23 77.14 l

21. Unit Capacity Factor (Using MDC Net) 93.73 89.40 69.42 l

22. Unit Capacity Factor (Using DER Net) 93.73 89.40 69.42 l

23. Unit Forced Outage Rate 1.74 7.77 5.09 l

24. Shutdowns Scheduled Over Next 6 Months (rype.Date.and Duration of Each1:

2S. If Shut Down At End Of Reg. ort Period. Estimated Date of Startup:

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

Forecast Achieved j

INITIAL CRITICA LITY INITIAL ELECTRICITY l

COMMERCIAL OPERATION l

l-6/77)

AVERAGE DAILY UNIT POWER LEVEL w.

g DOCKET NO. 50-29 UNIT Yankee Rowe DATE' COMPLETED BY _ S. Batterson TELEPHONE 4 7 o79 oinn MONTH July 1983 DAY AVERAGE DAILY POWER LEVEL DAY AVERAGE DAILY POWER LEVEL (MWe-Net)

(MWe-Net) 3 168.02 37 3gy a3-2 168.04 33 167.09 3

167.77

- 167.29 39 4

20 167.46 5

166.78 21 167.56 6

167.77 22 167.76 7

168.?3-167.69 23 g

168.52 153.65 24 9

168.62 25 10 168.48 26 166.71 168.I gg 166.76.

27 168.52 12 28 166.76 13 29 166.76 168.7 14 30 166.67 15 168.75 33 68.9 16 168.4 g

A INSTRUCTIONS On this format. list the average daily unit power levelin MWe Net for each day in the reporting month. Compute to the nearest whole rnegawatt.

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UNITSilUTDOWNS AND POWER REDUCTIONS DOCKET NO. 50-29 UNIT NAME Y - a'== Rowe DATE 830809 REPORTMONTil Julv. 1983 COMPLETED BY s-n=rtarmon TELErilONE (6171n7?-ninn 1

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83-8 7/31/83 F

12.93 H*

1 83-25 CB PJPEXX Reweld and Inspect l

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• Failed weld at junci ion of oop 18 1 bypas s piping and loop #1 safety valve resultirig in minor primary system j

leakage to coni ainment l

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i F: Foned Reason:

Method:

Exhibii G Insienctions

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5: Sclieduled A Equipment Failure (Explain) 1-Manual for Pseparation of Data i:

l R. Maintenance of Test 2 Manual Scram.

Entry Slieces foe Licensee C-Reincling J. Automatic Scram.

Event Repues (LliR) File INUREG.

j D Hegulatiny Restriction 4 Other(Emplain) 0161)

E Opesaior Training & License Emandnallon F Ailminissiative 5

j G Operational luus Ilimplain)

Enhileis 1 Same Souice l'8/ D)

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DOCKET NO.

50-29 UNIT Yankee Rowe DATE 830809 COMPLETED BY S. Batterson TELEPHONE (617)872-8100 REPORT MONTH July 1983 SIMIARY OF OPERATING EXPERIENCES 7/31/83 0817 Commenced load reduction due to failed weld joining primary system safety valve to loop #1 bypass line. This failure resulted in minor primary system leakage to containment.

1104 Generator separated from grid 1315 Reactor subcritical l

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