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Three Mile Island Nuclear Generating Station

Three Mile Island Nuclear Generating Station is a closed nuclear power plant on Three Mile Island in Pennsylvania on the Susquehanna River just south of Harrisburg. It has two separate units, TMI-1 and TMI-2. Wikipedia
Annual net output: 7.3 TWh (2018); 245.12 TWh (lifetime)
Capacity factor: 95.65% (2017); 73.25% (lifetime)
Commission date: Unit 1: September 2, 1974; Unit 2: December 30, 1978
Construction began: Unit 1: May 18, 1968; Unit 2: November 1, 1969
Construction cost: $1.557 billion (2007 USD); ($2.00 billion in 2023 dollars)
Cooling source: Susquehanna River
Cooling towers: 4 × Natural Draft