Basic Facts:
- Location: Londonderry Township, Pennsylvania
- Owner: Energy Solutions
- Operator: Constellation Energy Company
- Construction Cost: $3.0B (2018$)
- Plant Output: 910 MW
- Property Size: 810 acres
- Status: DECON
- Current DTF Balance: $800M (2018$)
- Decommissioning Cost Estimate: $1.3B (2018$)
- Spent Nuclear Fuel on Site: None
Background
Three Mile Island Unit 2 was a 910 MW pressurized water reactor located on the shores of the Susquehanna River. Unit 1 construction began in 1969 and the facility began commercial operations in 1978. In 1979, a malfunction of the cooling system caused a partial meltdown of the reactor core and Unit 2 is no longer operational. Unit 2’s nuclear fuel has been transported to Idaho National Labs and the plant has been decontaminated as necessary and stabilized. Further decommissioning of Unit 2 is anticipated to take place in concert with decommissioning of Unit 1.
Socioeconomics
Three Mile Island is located within Dauphin County, Pennsylvania. As of 2016:
- Population: 280,000
- Per Capita Annual Income: $49,000
- Unemployment rate (not seasonally adjusted): 4.5%
Contact Information
Economic Development Administration Representative:
- Christopher Casper, Philadelphia Regional Office, t: (215) 597-1074, e: ccasper1@eda.gov
University Center
Nuclear Regulatory Commission
- Kimberly Conway, Project Manager, t: (301) 415-1335, e: Kimberly.conway@nrc.gov
- Three Mile Island Unit 2
Unless specific costing information has been provided, decommissioning costs were derived from 2017 Decommissioning Funding Status Report.
Information herein obtained from public sources. Corrections are welcome and may be directed to info@decommissioningcollaborative.org.
Additional Information
Three Mile Island decommissioning panel meets for first time Wednesday
Three Mile Island decommissioning panel meets for first time WednesdayAn advisory panel created as part of a settlement between state regulators and the new owner of Three Mile Island’s storied Unit 2 will meet for the first time on Wednesday. This 15-member group was designed to meet at least twice per year to increase public […]
Read MoreCommunity group created to advise TMI cleanup
Community group created to advise TMI cleanup | StateImpact Pennsylvania Communities surrounding the shuttered Three Mile Island nuclear plant near Harrisburg now have a citizens committee to help guide decommissioning of the plant’s Unit 2 reactor, which partially melted down in 1979. The Community Advisory Panel is made up of 15 people who represent the […]
Read MoreThree Mile Island sale clears another hurdle on eve of Biden administration
Three Mile Island sale clears another hurdle on eve of Biden administration The U.S. Nuclear Regulatory Commission approved the sale of Three Mile Island’s Unit 2 last month amid ongoing concerns about the new owner’s ability to pay for decommissioning the reactor that partially melted down in 1979.
Read MoreFeds speed sale of Three Mile Island unit amid state concern about decommissioning
Feds speed sale of Three Mile Island unit amid state concern about decommissioning Federal regulators plan to approve the sale of Three Mile Island’s Unit 2, the nuclear reactor that partially melted down in 1979, despite concern…
Read MoreThree Mile Island owner agrees to public decommissioning panel but no financial settlement
Three Mile Island owner agrees to public decommissioning panel but no financial settlement State regulators have reached a settlement with the owners of Three Mile Island’s Unit 2, the nuclear reactor that partially melted down in 1979, that includes the creation of a decommissioning advisory panel.
Read MoreThree Mile Island decommissioning fight nears end amid lack of local input
Three Mile Island decommissioning fight nears end amid lack of local input State regulators are negotiating a settlement with the owners of Three Mile Island’s Unit 2, the storied nuclear reactor that partially melted down in 1979, amid objections over the proposed sale to a third party that would take over its decommissioning.
Read More‘The worst-case scenario’: Regulators, watchdogs fear plan to dismantle damaged TMI nuclear reactor
‘The worst-case scenario’: Regulators, watchdogs fear plan to dismantle damaged TMI nuclear reactor It’s been more than 41 years, but Stephen Mohr still remembers how he knew something went wrong at the nuclear power plant on Three Mile Island. “I knew something happened because I went out to get the newspaper and I could smell […]
Read More‘We believe there’s is a clear and present danger’: Three Mile Island decommissioning called into question.
‘We believe there’s a clear and present danger’: Three Mile Island decommissioning in question
Read MorePennsylvania officials alarmed by faster cleanup plan for crippled TMI nuke
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Read MorePublic can weigh in on transfer of Three Mile Island’s stricken Unit 2 to decommissioning firm
Public can weigh in on transfer of Three Mile Island’s stricken Unit 2 to decommissioning firm On the 41st anniversary of the nation’s worst commercial nuclear power accident, the public is being given the chance to weigh in on the proposed transfer of the stricken Three Mile Island Unit 2 reactor to EnergySolutions.
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