Millstone 2 and 3

Millstone 2 and 3 consists of two pressurized water reactors. Construction of Unit 2 began in 1969 with Unit 3 construction beginning in 1974. Licensed operations for Unit 2 and 3 began in 1975 and 1986 respectively.

In 2005, the Nuclear Regulatory Commission granted twenty-year license renewals for both reactors, extending the licensed operational life of Unit 2 to 2035 and Unit 3 to 2045.