Three Mile Island Nuclear Station, Unit 1

Photograph of Three Mile Island 1

Location: Middletown, PA (10 miles SE of Harrisburg, PA) in Region I
Operator: Exelon Generation Co., LLC
Operating License: Issued - 04/19/1974
Renewed License Issued  - 10/22/2009
License Expires - 04/19/2034
Docket Number: 05000289

Reactor Type: Pressurized Water Reactor
Licensed MWt: 2,568
Reactor Vendor/Type: Babcock & Wilcox Lowered Loop
Containment Type: Dry, Ambient Pressure

Plant Diagram

Plant Information NRC Employee Contacts

Key Documents Related Information

Page Last Reviewed/Updated Wednesday, March 24, 2021