Londonderry Township, Pennsylvania
Local population: 263,701 (10-mile radius)
Type:
Pressurized Water Reactor
Status:
Operating
Licensed to operate from 04/19/74-04/19/34
Owner:
AmerGen Energy Company
Safety Issues:
Flooding Hazard, Groundwater Leaks Reported, Year Plus Outages
Related Links & Documents
12/07/2006 UCS questioned NRC Region I about an inaccurate report AmerGen made to the NRC about a stuck open relief valve during an event when no relief valve, in fact, stuck open. Download the pdf
09/18/2006 UCS documented the factors leading to the year-plus reactor outage that began in February 1979 and was extended by the partial meltdown on Unit 2 in this case study for our Walking a Nuclear Tightrope report. See details | Download the pdf (1.5 kb)
06/07/2006 UCS thanked AmerGen for providing us with a briefing and tour of post 9/11 security upgrades implemented at Three Mile Island. Download the pdf
07/29/2005 UCS provided TMI Alert the results from the solicited review of the corrective action program at Three Mile Island. Download the pdf
06/17/2005 UCS raised policy concerns to the NRC Commissioners related to "slime" found in the containment sump of the Three Mile Island Unit 2 reactor following its 1979 accident. Download the pdf
