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International Thermonuclear Experimental Reactor

International Thermonuclear Experimental Reactor
ITER Logo NoonYellow.svg
ITER participants.svg
Thirty-five participating nations
Motto The way to new energy
Formation 24 October 2007
Headquarters Saint-Paul-lès-Durance, France
Director-General
Bernard Bigot
Website www.iter.org
ITER
Sectional view of ITER's tokamak
Type Tokamak
Construction date 2013–2019
Major radius 6.2 m
Plasma volume 840 m3
Magnetic field 11.8 T (peak toroidal field on coil)
5.3 T (toroidal field on axis)
6 T (peak poloidal field on coil)
Heating 50 MW
Fusion power 500 MW
Continuous operation up to 1000 s
Location Saint-Paul-
lès-Durance
, France

Coordinates: 43°42′17.84″N 5°46′9.1″E / 43.7049556°N 5.769194°E / 43.7049556; 5.769194

ITER (Latin for "the way", formerly International Thermonuclear Experimental Reactor) is an international nuclear fusion research and engineering megaproject, which will be the world's largest magnetic confinement plasma physics experiment. It is an experimental tokamak nuclear fusion reactor that is being built next to the Cadarache facility in Saint-Paul-lès-Durance, which is in southern France.

The ITER project aims to make the long-awaited transition from experimental studies of plasma physics to full-scale electricity-producing fusion power stations. The ITER fusion reactor has been designed to produce 500 megawatts of output power for around twenty minutes while needing 50 megawatts to operate. Thereby the machine aims to demonstrate the principle of producing more energy from the fusion process than is used to initiate it, something that has not yet been achieved in any fusion reactor.

The project is funded and run by seven member entities—the European Union, India, Japan, China, Russia, South Korea, and the United States. The EU, as host party for the ITER complex, is contributing about 45 percent of the cost, with the other six parties contributing approximately 9 percent each.


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