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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
MW
e
825
MW
e
900
MW
e
2630
MW
t
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 2024-12-04
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SAN ONOFRE-3
SAXTON
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SUMMER-1
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WATERFORD-3
WATTS BAR-1
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ZION-2