The Joint European Torus (JET) through the decades. Fusion energy and the people behind the progress @UKAEAofficial
The Joint European Torus (JET) through the decades. Fusion energy and the people behind the progress  @UKAEAofficial
Uploaded March 2024 | Updated September 2026, 3 weeks ago
As we hail and say a fond farewell to JET, and to celebrate all its landmark progress throughout the decades, we have complied a selection of some images.

Do you have a favourite memory of JET? Let us know in the comments.

Some of JET’s milestones, include:
• 1983: First plasma
• 1984: Official opening by Her Majesty Queen Elizabeth II, M. François Mitterrand (President of the French Republic) and M. Gaston Thorn (President of the European Commission)
• 1991: First deuterium-tritium plasma created; record 1.8 megawatts reached
• 1997: First deuterium-tritium experiments and world record 16.1 megawatts and 21.7 megajoules
• 2011: ITER-like metal wall installation completed
• 2021: Second deuterium-tritium experiments and world record for sustained fusion energy at high power producing 59 megajoules over 5 seconds, demonstrating fusion power plant potential
• 2023: JET DT3 campaign produced a world record for most fusion energy released in a single pulse - 69 megajoules in a 6-second long pulse.

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The Joint European Torus (JET) through the decades. Fusion energy and the people behind the progress

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