The Joint European Torus (JET), located at Culham Centre for Fusion Energy, is the world’s largest and most powerful tokamak and the focal point of the European fusion research programme. Designed to study fusion in conditions approaching those needed for a power plant, it is the only device currently operating that can use the deuterium-tritium fuel mix that will be used for commercial fusion power.
Since it began operating in 1983, JET has made major advances in the science and engineering of fusion, increasing confidence in the suitability of the tokamak for future power production.
Milestones at JET have included the world's first controlled release of deuterium-tritium fusion power (1991) and the world record for fusion power (16 megawatts in 1997). In recent years, JET has carried out much important work to assist the design and construction of ITER. After more than 25 years of successful operation, JET is still at the forefront of fusion research and is closely involved in testing plasma physics, systems and materials for ITER.
The JET facilities are collectively used by all European fusion laboratories. About 350 scientists from Europe, plus more from around the globe, participate in JET experiments each year, co-ordinated by a programme management unit.
Culham Centre for Fusion Energy is responsible for the operation of the JET facilities, via a contract between the European Commission and the United Kingdom Atomic Energy Authority.
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