Millstone Nuclear Power Station

United States · Connecticut · New London County · NRC Region 1 · ISO-NE

2,102MWe Total
2Reactor Units
1975–1986Online Since
2,102 MWeTotal Capacity
90.1%Avg Capacity Factor
25.63¢/kWhElectricity Rate
ISO-NEGrid Region

Ownership & Operations

Owner

Dominion Energy

Operator

Dominion Energy Nuclear Connecticut

Reactor Units

Unit 2

Operating
869 MWe
Reactor TypePWR
ModelCE System 80
Net Capacity869 MWe
Capacity Factor88.9%
Commercial OperationDecember 26, 1975
License ExpirationJuly 31, 2035
Fuel TypeUO2 (4.2% U-235)
Fuel Cycle24 months
NRC Docket05000336

Unit 3

Operating
1,233 MWe
Reactor TypePWR
ModelWestinghouse 4-Loop
Net Capacity1,233 MWe
Capacity Factor91.3%
Commercial OperationApril 23, 1986
License ExpirationNovember 25, 2045
Fuel TypeUO2 (4.5% U-235)
Fuel Cycle18 months
NRC Docket05000423

Location

Coordinates

41.3086°N, 72.1681°W

Location

United States, Connecticut · New London County

Grid Region

ISO-NE · NRC Region 1

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