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  • Tokamak assembly | Extra support from below

    Underneath the concrete slab that supports the Tokamak Complex is a vast, dimly lit space whose only features are squat, pillar-like structures called 'plinths. [...]

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  • Vacuum standards and quality | Spreading the word

    As part of a continuing commitment to improve quality culture both at the ITER Organization and at the Domestic Agencies, the Vacuum Delivery & Installation [...]

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  • Test facility | How do electronics react to magnetic fields?

    A tokamak is basically a magnetic cage designed to confine, shape and control the super-hot plasmas that make fusion reactions possible. Inside the ITER Tokamak [...]

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  • ITER Robots | No two alike

    More than 500 students took part in the latest ITER Robots challenge. Working from the same instructions and technical specifications, they had worked in teams [...]

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  • Data archiving | Operating in quasi real time

    To accommodate the first real-time system integrated with the ITER control system, new components of the data archiving system have been deployed. Data archivi [...]

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Of Interest

See archived entries

Construction progress

Bird's eye views, three years apart

Taken three years apart (February 2020-February 2023) these two aerial photographs provide a spectacular illustration of progress on the ITER construction site.

The ITER construction site on 17 March 2023. © EJF Riche — ITER Organization (Click to view larger version...)
The ITER construction site on 17 March 2023. © EJF Riche — ITER Organization
In February 2020, the roofing of the Tokamak Building at the centre of the photo is still a work in progress. It will be another four months before a large banner affixed to the building's north façade can proclaim, "We have delivered."

The vast storage area for construction supplies seen on the left side of the 2020 image is now occupied by the completed Control Building, where servers and other systems are currently being installed.

The ITER construction site on 11 February 2020. © EJF Riche — ITER Organization (Click to view larger version...)
The ITER construction site on 11 February 2020. © EJF Riche — ITER Organization
Also to the left, the cooling towers and heat rejection system were only partially realized three years ago. Today, all equipment is in place and this plant system is well into the commissioning phase.

The landscape in front of the Tokamak Complex has also changed radically: the large open space, which used to be cluttered with worksite supplies and equipment, is now teeming with construction activity. The neutral beam power supply structures are clearly visible: steel frames rising 25 metres, thick separating walls for the massive transformers, deep trenches for the transmission lines...

A new "neighbourhood" has filled the space to the right of the Tokamak Complex, near the cryoplant and the twin buildings for magnet power conversion. This is the main ITER boulevard, spanned by the first of three planned bridges delivering cryogenic fluids or supporting the busbars that deliver power to the magnets.

Another new feature on the ITER site: the parking lots for the ITER staff and contractors are now covered with solar panels, whose production exceeds the consumption of the ITER Headquarters Building and supplies electricity to 24 electric vehicle charging stations.

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