Marking the JET opening anniversary

JET, the largest and most powerful tokamak in the world was officially inaugurated on 9th April 1984 by Her Majesty Queen Elizabeth II. Read more.

How far we have come

Two days of celebrations took us from JET’s first pulse – a tiny blip on an oscilloscope – to its current role as the biggest tokamak in the world.

JET celebrates JET – and ITER

The world’s largest fusion device, the Joint European Torus (JET), has passed a landmark 30 years of operation – but researchers are firmly focused on JET’s continuing role as a test bed for the international fusion experiment ITER, being built in the south of France.

10 new countries

Major changes were afoot for EFDA ten years ago, as ten countries signed a treaty to join the European Union.

1991: Fusion power is born

Fusion power was born with the first D-T experiment 20 years ago.

32 years ago

On 18 May 1979, Dr G. Brunner, the then European Communities Commissioner responsible for energy research, education and science, laid the foundation stone of the JET laboratory. In 1979 the Joint European Torus was an 11-nation project comprising Belgium, Italy, Luxembourg, France, Netherlands, West Germany, Denmark, Ireland, Sweden, Switzerland, and […]

Look back in delight

The celebration on that sunny day brought together over 130 people with diverse backgrounds and ages: engineers, physicists, students, postgraduates, retired staff, and three of the five directors who all made Europe’s largest Fusion Device become such a successful world-class experiment. Hans-Otto Wüster, JET’s very first director, was represented by […]

JET celebrates the 25th Anniversary of its first plasma

JET, the current largest operating fusion experiment in the world, came to life with the first plasmaon June 25 1983. On that day the plasma current (which characterises the confinement properties of the machine) reached 16 kiloamps, and JET went on to achieve one mega-amp (1MA) only a few months […]

This work has been carried out within the framework of the EUROfusion Consortium and has received funding from the Euratom research and training programme 2014-2018 under grant agreement No 633053. The views and opinions expressed herein do not necessarily reflect those of the European Commission.

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