VERMONT YANKEE

Permanent Shutdown


Reactor Details

Reactor Type Model Owner Operator
BWR
BWR-4 (Mark 1)
Entergy Nuclear Operations, Inc.
Entergy Nuclear Operations, Inc.
Reference Unit Power (Net Capacity) Design Net Capacity Gross Capacity Thermal Capacity
605 MWe
514 MWe
635 MWe
1912 MWt
Construction Start Date First Criticality Date
11 Dec, 1967
24 Mar, 1972
First Grid Connection Commercial Operation Date
20 Sep, 1972
30 Nov, 1972
Permanent Shutdown Date
29 Dec, 2014

LifeTime Performance

Electricity Supplied Energy Availability Factor Operation Factor Energy Unavailability Factor Load Factor
163.39 TW.h
86.1 %
86.3 %
13.9 %
83.9 %
Lifetime performance calculated up to year 2014

Operating History

Year Electricity Supplied
[GW.h] 		Reference Unit Power
[MW] 		Annual Time On Line
[h] 		Operation Factor
[%] 		Energy Availability Factor
[%] 		Load Factor
[%]
Annual Cumulative Annual Cumulative
1972 459.000 514 1842 79.3 100.0 100.0 48.0 48.0
1973 1814.500 468 5354 61.1 70.3 72.8 44.3 44.6
1974 2482.700 514 6495 74.1 55.4 64.1 55.1 49.9
1975 3561.300 504 7689 87.8 80.5 69.5 80.7 60.0
1976 3260.200 504 6776 77.1 73.5 70.5 73.6 63.4
1977 3537.900 504 7456 85.1 79.8 72.3 80.1 66.7
1978 3240.700 504 6649 75.9 73.4 72.5 73.4 67.8
1979 3449.000 504 7194 82.1 77.4 73.2 78.1 69.3
1980 2978.800 504 6271 71.4 72.0 73.1 67.3 69.0
1981 3568.500 504 7407 84.6 84.8 74.4 80.8 70.3
1982 4174.300 504 8406 96.0 96.7 76.6 94.6 72.8
1983 2874.500 504 6072 69.3 69.8 76.0 65.1 72.1
1984 3335.830 504 6933 78.9 79.0 76.2 75.4 72.3
1985 2999.400 504 6287 71.8 71.8 75.9 67.9 72.0
1986 2058.430 504 4280 48.9 48.9 74.0 46.6 70.2
1987 3536.410 504 7288 83.2 83.2 74.6 80.1 70.8
1988 4113.840 504 8333 94.9 94.9 75.8 92.9 72.2
1989 3606.780 504 7372 84.2 84.4 76.4 81.7 72.8
1990 3616.270 504 7392 84.4 84.7 76.8 81.9 73.3
1991 4108.310 504 8200 93.6 93.7 77.7 93.0 74.3
1992 3734.590 504 7680 87.4 87.6 78.2 84.4 74.8
1993 3372.150 504 6860 78.3 78.6 78.2 76.4 74.9
1994 4315.550 504 8600 98.2 98.2 79.1 97.8 75.9
1995 3858.500 510 7554 86.2 86.6 79.4 86.8 76.4
1996 3798.790 510 7422 84.5 84.9 79.7 84.8 76.8
1997 4266.870 510 8358 95.4 95.6 80.3 95.5 77.5
1998 3358.700 510 6690 76.4 76.6 80.2 75.2 77.4
1999 4059.110 510 7936 90.6 90.5 80.6 90.9 77.9
2000 4548.070 510 8738 99.5 99.5 81.2 101.5 78.8
2001 4171.120 510 8145 93.0 93.1 81.7 93.4 79.3
2002 3962.620 510 7966 90.9 91.0 82.0 88.7 79.6
2003 4444.150 510 8612 98.3 98.3 82.5 99.5 80.2
2004 3858.020 510 7599 86.5 86.6 82.6 86.1 80.4
2005 4106.450 506 8212 93.7 93.8 83.0 92.6 80.8
2006 5106.560 605 8760 100.0 100.0 83.5 104.5 81.6
2007 4703.730 620 8114 92.6 92.6 83.8 86.6 81.7
2008 4895.050 620 8253 94.0 94.0 84.2 89.9 82.0
2009 5360.610 620 8760 100.0 100.0 84.7 98.7 82.6
2010 4782.470 620 7946 90.7 90.7 84.9 88.1 82.7
2011 4924.220 620 8152 93.1 93.1 85.1 90.7 83.0
2012 5016.280 605 8784 100.0 100.0 85.6 94.4 83.3
2013 4866.020 605 8123 92.7 92.7 85.8 91.8 83.5
2014 5083.960 605 8700 99.9 99.3 86.1 96.5 83.9
Performance indicators are calculated from the Commercial Operation Date.


Above data generated by the PRIS database. Last update on 2025-01-25


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