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Jump to navigation Jump to search “Three Mile Island” redirects here. For the 1979 accidental partial core meltdown, see Three Mile Island accident. Three Mile Island is so named because it is located three miles downriver from Middletown, Pennsylvania. Three Mile Island was 211,261, an increase of 10. 9 percent in a decade, according to an analysis of U.
On May 30, 2017, it was announced that TMI would cease operations in 2019 due to high costs of operating the plant. Wilcox with a net generating capacity of 819 MWe. Unit 1 first came online on April 19, 1974, and began commercial operations on September 2, 1974. TMI-1 is licensed to operate for 40 years from its first run, and in 2009, was extended 20 years, which means it may operate until April 19, 2034. In February 1993, a man drove his car past a checkpoint at the TMI nuclear plant, then broke through an entry gate.
He eventually crashed the car through a secure door and entered the Unit 1 turbine building. The intruder, who had a history of mental illness, hid in the turbine building and was apprehended after four hours. On November 21, 2009, a release of radioactivity occurred inside the containment building of TMI-1 while workers were cutting pipes. Exelon Corporation stated to the public that “A monitor at the temporary opening cut into the containment building wall to allow the new steam generators to be moved inside showed a slight increase in a reading and then returned to normal. Approximately 20 employees were treated for mild radiation exposure. June 2010 Photo of Three Mile Island nuclear power plant with deactivated Unit 2 located on the left.
The only difference was that TMI-2 was slightly larger with a net generating capacity of 906 MWe, compared to TMI-1, which delivers 819 MWe. Unit 2 received its operating license on February 8, 1978, and began commercial operation on December 30, 1978. TMI Unit 2 has been permanently shut off after the Three Mile Island accident in 1979. Three Mile Island in background behind Harrisburg International Airport, a few weeks after the accident.
On March 28, 1979, there was a cooling system malfunction that caused a partial melt-down of the reactor core. Nearly 2 million people were exposed to a small amount of radiation from the accident. Unit 2 has not been operational since the accident occurred. The New York Times reported on August 14, 1993, 14 years after the accident, that the clean up had been finished. According to the United States NRC, 2. 3 million gallons of waste water had been removed. The incident was widely publicized internationally, and had far-reaching effects on public opinion, particularly in the United States.
The China Syndrome, a movie about a nuclear disaster, which was released just 12 days before the incident and received a tepid reception from the movie-going public, became a blockbuster hit. On January 22, 2010, officials at the NRC announced the electrical generator from the damaged Unit 2 reactor at TMI will be used at Shearon Harris Nuclear Plant in New Hill, North Carolina. The generator was transported in two parts, weighing a combined 670 tons. It was refurbished and installed during a refueling outage at Shearon Harris NPP in November 2010. Exelon Corporation was created in October 2000 by the merger of PECO Energy Company and Unicom, of Philadelphia and Chicago respectively. On June 20, 2017, Exelon Generation, the owners of Three Mile Island’s Unit 1 sent to the Nuclear Regulatory Commission a formal notice of its intention to shut down the plant on September 30, 2019. Shut down of Unit 1 can go in two possible directions.