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A Look Back at Three Mile Island

Years Ago

A Look Back at Three Mile Island

The presidential commission investigating the Three Mile Island accident learned that the problems rested with people, not technology.

March 29 of this year marked the 30th anniversary of the meltdown at the second of two reactors built at Three Mile Island. Metropolitan Edison began construction of the Three Mile Island nuclear generating station in the 1960s. The first unit went online in 1974 and TMI-2 followed four years later.

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