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EUROfusion experiments lay groundwork for future fusion devices

Record results announced on Wednesday 9 February 2022 are the clearest demonstration in a quarter of a century of the potential for fusion energy to deliver safe and sustainable low-carbon energy.

Researchers from the EUROfusion consortium – 4,800 experts, students and staff from across Europe, co-funded by the European Commission – used the Joint European Torus (JET) device to release a record 59 megajoules of sustained fusion energy.

This achievement on JET, the largest and most powerful operational tokamak in the world at the UK Atomic Energy Authority (UKAEA) site in Oxford, more than doubles the previous fusion energy record of 21.7 megajoules set there in 1997. It comes as part of a dedicated experimental campaign designed by EUROfusion to test over two decades’ worth of advances in fusion and optimally prepare for the start of the international ITER project.

The record and the scientific data from these crucial experiments are a major boost for ITER, the larger and more advanced version of JET. ITER is a fusion research project based in the south of France. Supported by seven members – China, the European Union, India, Japan, South Korea, Russia and the USA – ITER aims to demonstrate the scientific and technological feasibility of fusion energy.

As pressures mount to address the effects of climate change through decarbonising energy production, this success is a major step forward on fusion’s roadmap as a safe, efficient, low carbon means of tackling the global energy crisis.

Read more in the full press release, including quotes by fusion experts and government officials from the EU and UK.

Press event 9 February 2022

Representatives from EUROfusion, UKAEA and ITER shared the results of JET’s recent experiments during a press event on Wednesday February 9th at UKAEA’s site in Culham, UK.


  • George Freeman, Minister for Science, Research and Innovation, UK
  • HE João Vale de Almeida, European Union Ambassador to the UK
  • Tony Donné, Programme Manager (CEO) of EUROfusion
  • Ian Chapman, CEO of UK Atomic Energy Authority (UKAEA)
  • Tim Luce, ITER Chief Scientist

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