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Fusion energy record demonstrates powerplant future (UKAEA JET Announcement)

Official announcement and documentation of JET's record-breaking 59-megajoule fusion test

From the Xiry library · Updated 3 October 2026

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This press release from the UK Atomic Energy Authority documents the historic milestone where the Joint European Torus (JET) tokamak produced 59 megajoules of sustained fusion energy. It explains the experiment's significance, including sustained power averaging 11 megawatts over five seconds using a deuterium-tritium fuel mix. It serves as essential reference material for understanding modern tokamak engineering progress and the foundation for ITER.

How it works

In 2022, researchers and engineers at the UK Atomic Energy Authority (UKAEA) facility in Culham/Oxford achieved a record 59 megajoules of sustained fusion energy inside the Joint European Torus (JET) tokamak. This milestone more than doubled the previous sustained fusion energy record set in 1997, utilizing the deuterium-tritium fuel mixture intended for future commercial fusion power plants.

What it's for

  • Reference technical data on the 2022 JET tokamak sustained fusion energy milestone
  • Study the engineering context of deuterium-tritium fuel testing for upcoming ITER operations
  • Source official press documentation regarding UKAEA and EUROfusion research results

Features

  • Details on the 59 megajoule sustained fusion energy record achieved over a 5-second pulse
  • Technical summary of the 11 MW average fusion power generated using deuterium-tritium fuel
  • Contextual comparison to the previous 1997 fusion energy records
  • Statements and operational validation for the ITER and EU DEMO programs

Pricing

Free

Details

Type
other
Category
Learning
Topic
Science News
Open source
No
Platforms
Web
For
Science enthusiasts, clean energy researchers, engineers, and students interested in nuclear fusion.
Tags
fusion, clean energy, tokamak, jet, physics, science

Why it was saved

  • @ukaeaofficial, 5 January 2024: Visualizes a breakthrough milestone in clean energy and nuclear fusion engineering, demonstrating sustained power from a commercial-grade fuel mix.

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