ShutdownUnited States

Three Mile Island-2

Three Mile Island Nuclear Generating Station (abbreviated as TMI), is a shut-down nuclear power plant on Three Mile Island in Pennsylvania, US, on the Susquehanna River just south of Harrisburg. It has two separate units, Unit 1 (TMI-1) (owned by Constellation Energy) and Unit 2 (TMI-2) (owned by EnergySolutions).

Three Mile Island-2

Technical Specifications

Capacity
906 MW
Reactor Type
PWR
Model
PWR
IAEA ID
657

Timeline

Construction Started
November 1, 1969
Operational From
December 30, 1978
Shutdown Date
March 28, 1979
Current Status
Shutdown

Location

Country
United States
Region
Londonderry Township
Coordinates
40.1540°, -76.7270°

Operator & Owner

Operator
Exelon
Owner
Exelon

Data source: WNA/IAEA • Last verified against IAEA PRIS database