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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. The reactor accident began at 4:00 a.m. on March 28, 1979, and released radioactive gases and radioactive iodine into the ...
The effects of the 1979 Three Mile Island nuclear accident are widely agreed to be very low by scientists in the relevant fields. The American Nuclear Society concluded that average local radiation exposure was equivalent to a chest X-ray and maximum local exposure equivalent to less than a year's background radiation. [1]
Three Mile Island in 2019, prior to shutdown. Three Mile Island Nuclear Generating Station (commonly abbreviated as TMI) is a safely stored 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 ...
A power company is planning to restart a dormant nuclear reactor at Pennsylvania's Three Mile Island nuclear generating station to help meet the power demands of high-tech data centers.
The U.S. Nuclear Regulatory Commission (NRC) said on Friday it has not yet gotten an application from Constellation Energy on restarting the Three Mile Island nuclear reactor. Constellation and ...
Three Mile Island, located near Harrisburg, is best known for being the most serious accident at a commercial nuclear power plant in US history when it experienced the partial meltdown of one of ...
Serious nuclear power plant accidents include the Fukushima nuclear disaster (2011), the Chernobyl disaster (1986), the Three Mile Island accident (1979), and the SL-1 accident (1961). [ 11 ] Nuclear power accidents can involve loss of life and large monetary costs for remediation work.
The release of radiation by the Windscale fire was greatly exceeded by the Chernobyl disaster in 1986, but the fire has been described as the worst reactor accident until Three Mile Island in 1979. Epidemiological estimates put the number of additional cancers caused by the Three Mile Island accident at not more than one; only Chernobyl ...