Three Mile Island - Unit 2 | NRC.gov
Jun 5, 2024 · The Three Mile Island, Unit 2 (TMI-2) operating license was issued on February 8, 1978, and commercial operation was declared on December 30, 1978. On March 28, 1979, the unit experienced an accident which resulted in severe damage to the reactor core.
Three Mile Island accident - Wikipedia
The Three Mile Island accident was a partial nuclear meltdown of the Unit 2 reactor (TMI-2) of the Three Mile Island Nuclear Generating Station on the Susquehanna River in Londonderry Township, near Harrisburg, Pennsylvania.
Three Mile Island Nuclear Generating Station - Wikipedia
Three Mile Island Nuclear Generating Station (commonly abbreviated as TMI) is a shut-down nuclear power plant on Three Mile Island [a] in Pennsylvania on the Susquehanna River just south of Harrisburg. It has two separate units, TMI-1 (owned by Constellation Energy) and TMI-2 (owned by EnergySolutions). [6]
Backgrounder on the Three Mile Island Accident | NRC.gov
Mar 28, 2024 · The Three Mile Island Unit 2 reactor, near Middletown, Pa., partially melted down on March 28, 1979. This was the most serious accident in U.S. commercial nuclear power plant operating history, although its small radioactive releases had no detectable health effects on plant workers or the public.
40 Years After Nation's Worst Nuclear Accident, A Push To Keep Three …
On March 28, 1979, Three Mile Island's Unit 2 reactor suffered a partial meltdown after a pump stopped sending water to the steam generators that removed heat from the reactor core. The...
The Three Mile Island Unit 2 reactor, near Middletown, Pa., partially melted down on March 28, 1979. This was the most serious accident in U.S. commercial nuclear power plant operating history, although its small radioactive releases had no detectable health effects on plant workers or …
5 Facts to Know About Three Mile Island | Department of Energy
May 4, 2022 · Three Mile Island had two nuclear reactors–– Unit 1, which began operation in 1974, and Unit 2, which began operation in 1978. Unit 2 shutdown following its partial meltdown in 1979. The fuel was removed and, along with the damaged reactor core debris, shipped to Idaho National Laboratory.
NMAH | Three Mile Island: The Inside Story - National Museum of ...
The Three Mile Island nuclear power plant comprised two complete installations adjoining each other on a like-named island in the Susquehanna River, about ten miles (15 km) south of Harrisburg, the capital of Pennsylvania.
Nuclear disaster at Three Mile Island | March 28, 1979
Nov 24, 2009 · The worst accident in the history of the U.S. nuclear power industry begins when a pressure valve in the Unit‑2 reactor at Three Mile Island fails to close.
NMAH | Three Mile Island: The Inside Story - National Museum of ...
In recognition of the 25th anniversary of this event, the National Museum of American History devoted its History-in-the-News display case during spring 2004, to the accident in Unit 2 of the Three Mile Island nuclear power station (TMI-2).