Details

Reactor Type Pressurised Water Reactor (or PWR)
Model W (4-loop)
Owner Exelon Generation Co., Llc
Operator Exelon Generation Co., Llc

Timeline

Construction Start Sunday, 1 December 1968
First Criticality Tuesday, 19 June 1973
First Grid Connection Thursday, 28 June 1973
Commercial Operation Monday, 31 December 1973
Permanent Shutdown Friday, 13 February 1998

Specifications

Capacity Net 1040 MWe
Capacity Gross 1085 MWe
Thermal Capacity 3250 MWt
Design Net Capacity 1040 MWe

Operational History

Electricity Supplied (GWh)

Energy Availability Factor (%)

Total Electricity Supplied (GWh)

Reactor History

Year Reference Unit Power (MWe) Annual Time Online (Hours) Electricity Supplied (GWh) Operation Factor (%) Energy Availability Annual (%) Energy Availability Cumulative (%) Load Factor Annual (%) Load Factor Cumulative (%)
1973 880 1717 705.90 - - - - -
1974 880 5167 3489.20 59.00 59.00 59.00 45.30 45.30
1975 867 6121 4917.50 69.90 65.00 62.00 64.80 54.90
1976 931 5454 4773.50 62.10 56.50 60.10 58.40 56.10
1977 1010 6494 5034.00 74.10 56.90 59.20 56.90 56.30
1978 1040 7020 6769.80 80.10 74.30 62.50 74.30 60.30
1979 1040 5962 5537.30 68.10 60.80 62.20 60.80 60.40
1980 1040 7165 6514.40 81.60 81.80 65.20 71.30 62.00
1981 1040 6294 6192.70 71.80 72.00 66.10 68.00 62.80
1982 1040 5172 4728.40 59.00 59.20 65.30 51.90 61.60
1983 1040 5740 4030.10 65.50 65.70 65.30 44.20 59.70
1984 1040 6027 5692.09 68.60 68.70 65.60 62.30 60.00
1985 1040 5106 4834.82 58.30 58.30 65.00 53.10 59.40
1986 1040 5450 4915.21 62.20 62.20 64.80 54.00 59.00
1987 1040 6481 6067.14 74.00 74.00 65.50 66.60 59.50
1988 1040 6605 6347.30 75.20 75.20 66.20 69.50 60.20
1989 1040 5149 4999.46 58.80 58.80 65.70 54.90 59.90
1990 1040 4746 4446.52 54.20 54.20 65.00 48.80 59.20
1991 1040 4593 4260.39 52.40 52.50 64.30 46.80 58.50
1992 1040 4310 4111.83 49.10 49.10 63.40 45.00 57.80
1993 1040 6966 7020.98 79.50 79.50 64.30 77.10 58.80
1994 1040 4175 4147.27 47.70 47.70 63.50 45.50 58.10
1995 1040 6295 6469.12 71.90 71.90 63.90 71.00 58.70
1996 1040 7167 7328.77 81.60 81.60 64.60 80.20 59.70
1997 1040 1238 1079.32 14.10 14.00 62.50 11.80 57.60
1998 1040 0 0.00 0.00 0.00 62.30 0.00 57.40

Source: Operating details - IAEA PRIS


See Also

Nuclear Power in United States

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