MAINE YANKEE
Permanent Shutdown
Reactor Details
Reactor Type
|
Model
|
Owner
|
Operator
|
PWR
|
|
|
MAINE YANKEE ATOMIC POWER CO.
|
Reference Unit Power (Net Capacity)
|
Design Net Capacity
|
Gross Capacity
|
Thermal Capacity
|
860
MWe
|
825
MWe
|
900
MWe
|
2630
MWt
|
Construction Start Date
|
First Criticality Date
|
|
|
01 Oct, 1968
|
23 Oct, 1972
|
|
|
First Grid Connection
|
Commercial Operation Date
|
|
|
08 Nov, 1972
|
28 Dec, 1972
|
|
|
Permanent Shutdown Date
|
01 Aug, 1997
|
LifeTime Performance
Electricity Supplied
|
Energy Availability Factor
|
Operation Factor
|
Energy Unavailability Factor
|
Load Factor
|
118.72 TW.h
|
70.5 %
|
73.0 %
|
29.5 %
|
68.2 %
|
Lifetime performance calculated up to year
1997
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
|
Data from a trial operation not provided
|
1973
|
3365.400
|
605
|
6644
|
75.8
|
63.2
|
63.2
|
63.5
|
63.5
|
1974
|
3574.300
|
790
|
6016
|
68.7
|
68.7
|
66.3
|
51.6
|
56.8
|
1975
|
4502.500
|
780
|
7002
|
79.9
|
66.3
|
66.3
|
65.9
|
60.0
|
1976
|
5928.700
|
760
|
8346
|
95.0
|
88.9
|
72.1
|
88.8
|
67.5
|
1977
|
5144.700
|
760
|
7197
|
82.2
|
77.0
|
73.1
|
77.3
|
69.5
|
1978
|
5355.000
|
772
|
7363
|
84.0
|
78.8
|
74.1
|
79.2
|
71.2
|
1979
|
4539.200
|
810
|
5991
|
68.4
|
63.9
|
72.5
|
64.0
|
70.1
|
1980
|
4403.700
|
810
|
6337
|
72.1
|
71.3
|
72.4
|
61.9
|
69.0
|
1981
|
5212.000
|
810
|
6849
|
78.2
|
76.8
|
72.9
|
73.4
|
69.5
|
1982
|
4524.100
|
810
|
6045
|
69.0
|
66.4
|
72.2
|
63.8
|
68.9
|
1983
|
5734.000
|
810
|
7317
|
83.5
|
82.8
|
73.2
|
80.8
|
70.0
|
1984
|
5134.170
|
810
|
6532
|
74.4
|
72.6
|
73.2
|
72.2
|
70.2
|
1985
|
5354.420
|
810
|
6931
|
79.1
|
79.1
|
73.6
|
75.5
|
70.6
|
1986
|
6241.760
|
810
|
7690
|
87.8
|
87.0
|
74.6
|
88.0
|
71.9
|
1987
|
4042.900
|
810
|
5414
|
61.8
|
59.0
|
73.5
|
57.0
|
70.9
|
1988
|
4605.710
|
810
|
6065
|
69.0
|
75.7
|
73.7
|
64.3
|
70.5
|
1989
|
6941.710
|
810
|
8128
|
92.8
|
92.3
|
74.8
|
97.0
|
72.1
|
1990
|
4859.730
|
830
|
5852
|
66.8
|
65.5
|
74.3
|
66.8
|
71.8
|
1991
|
6264.370
|
860
|
7469
|
85.3
|
84.8
|
74.9
|
85.1
|
72.5
|
1992
|
5358.000
|
860
|
6625
|
75.4
|
75.2
|
74.9
|
70.9
|
72.4
|
1993
|
5739.870
|
860
|
6833
|
78.0
|
77.8
|
75.0
|
76.2
|
72.6
|
1994
|
6631.980
|
860
|
7737
|
88.3
|
88.2
|
75.7
|
88.0
|
73.4
|
1995
|
197.580
|
860
|
249
|
2.8
|
1.7
|
72.2
|
2.6
|
70.1
|
1996
|
5062.020
|
860
|
6563
|
74.7
|
74.5
|
72.3
|
67.0
|
70.0
|
1997
|
0.000
|
860
|
0
|
0.0
|
0.0
|
70.5
|
0.0
|
68.2
|
Performance indicators are calculated from the Commercial Operation Date.
Above data generated by the PRIS database. Last update on 2024-09-10