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Three Mile Island's infamous nuclear plant shuts down after 45 years
An important if ignominious chapter in American nuclear energy has come to a close. Exelon has shut down Three Mile Island's Generating Station Unit 1 reactor after 45 years of use. The reactor isn't the one behind the accident in March 1979, but this effectively marks the closure of the plant -- Unit 2, the reactor that failed, has been dormant for the past 40 years. It didn't directly provide a reason, but it had warned in 2017 that it would shut down the plant in 2019 due to the high running costs.
