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Three Mile Island 1 - Plant Information & Status

Technical specifications, contact data, ratings, and licensing history for the Three Mile Island facility.

Ratings

Three Mile Island
Above Average
17 (43%)
Average
13 (33%)
Below Average
9 (23%)
Total Members Voted: 13

Facility Statistics

Lifecycle & Tenure
Operating Age: 45 Yrs
Build Time: 6.3 Yrs
Lic. Remaining: N/A Yrs
Production & Power
Lifetime CF: 87%
Efficiency: 30.6%
Generated: 133.0 TWh
Reliability & Outages
Record Run: 1,818 Days
Refuelings: 11

Ownership & Construction

Owner/Operator: Exelon
Architect Engineer: GIL
Constructor: UE&C

Technical Specs

Reactor Type: PWR
Containment: PWR-DRYAMB
NSS Supplier: B&W LLP
Thermal Power: 2568 MWt
Net Capacity: 786 MWe
Efficiency: 30.6%

Licensing

Docket #: 050-00289
License #: DPR-50
License Type: OL-FP
Const. Permit: 1968-05-18
Operating Lic: 1974-04-19
Commercial Op: 1974-09-02
License Renewed: N/A
License Exp: 2014-04-19

Facility Map

40.154, -76.7249

Location & Contact

Address:
Route 441 South
Middletown, PA 17057, USA
Get Directions
Phone: (717) 948-8000