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]
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 ‑ Accident, Nuclear & Meltdown - HISTORY
Dec 18, 2009 · Three Mile Island is the site of a nuclear power plant in south central Pennsylvania. In March 1979, a series of mechanical and human errors at the plant caused the worst commercial...
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.
Three Mile Island accident | 1979, Pennsylvania, US | Britannica
Oct 25, 2024 · Three Mile Island accident, accident in 1979 at the Three Mile Island nuclear power station that was the most serious in the history of the American nuclear power industry. The Three Mile Island power station was named after the island on which it was situated in the Susquehanna River near.
5 Facts to Know About Three Mile Island | Department of Energy
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 …
Nuclear disaster at Three Mile Island | March 28, 1979 - HISTORY
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 ...
America’s worst accident at a civilian nuclear power plant occurred on March 28, 1979. Unbeknown to anyone, half the fuel melted in one of two nuclear reactors on Three Mile Island near Harrisburg, Pa. Large quantities of radioactivity leaked from …
Meltdown at Three Mile Island | American Experience | PBS
Feb 22, 1999 · In the predawn hours of March 28, 1979, a pressure valve suddenly malfunctioned at the Three Mile Island nuclear power plant near Harrisburg, Pennsylvania. What occured next--a combination...
Three Mile Island: On the 1979 Accident and Its …
Oct 7, 2019 · Nuclear reactors are designed to achieve one simple goal—to heat water. The heated water, in turn, produces steam, which drives a turbine that turns a generator to produce electricity. Three Mile Island is a pressurized water reactor, meaning that the water heated by the reactor is kept under extremely high pressure.
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