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"Site milestones" Gallery
Sector module #7 installed in pit
2025-04-10 - The first of nine modules required to form the ITER plasma chamber is installed in the tokamak assembly pit on 10 April. Sector module #7 was created from one vacuum vessel sector, its thermal shield and two toroidal field coils in 6 months and 10 days; for reference, the first time this sub-assembly operation was carried out it took 18 months to accomplish.
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First sector module completed post-repair
2025-03-28 - Sector module #7 is the first to be finalized, a litte ahead of schedule, after vacuum vessel sub-assembly restarted in September 2024. It will be lowered into the tokamak pit in April, the first of nine modules required to form the ITER plasma chamber.
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Reactive power compensation: first energization
Cryoplant milestone: first helium compressors on
Saving energy through heat recuperation
Tritium Building: end of a 14-year adventure
Tokamak Building: civil engineering complete
Cryobridge: ready for equipment
New activities for the coil winding facility
Ready for installation
75% of Tokamak Building cryolines installed
Major lift operation is a success
Six-year site infrastructure contract concludes
ITER teams now in charge of site coordination
Start of liquid helium plant commissioning
China completes AC/DC converter deliveries
Tokamak Building: painting completed
ITER cooling plant fully constructed
Major components installed
Milestone in the cryoplant
Vacuum vessel: first sector safely docked
Cryostat base and lower cylinder are now one
66 kV cable network: 60% complete
First thermal shield installed in pit
First mecanical system handed over to ITER
Cooling basins pass fill test
ITER fully connected
Cryostat lower cylinder installed
All nuclear doors installed
A large banner for a large achievement
First major component installed
Assembly Building handed over
Lid removed
First crane access to Tokamak Building
Crane hall: inner cladding finalized
Crane hall structure, finalized
"Energization" begins for second electrical distribution network
Last concrete pour of the Tokamak Building
First pillars for the crane hall
Tokamak Building: painting completed at B2 level
Site services building: all equipment installed
Three buildings handed over
ITER's electrical distribution system enters operation
Crown mockup: thanks for everything
Construction completed on the cooling tower zone
First metal component
First transformer is powered up
A fully formed "crown"
First segment of crown poured
Bioshield lid lifted
Last pour for circular "nest"
Magnet Power Conversion buildings, ready for equipment
First assembly activities
Temporary lid installed
Assembly Hall: ready for equipment
Cryoplant: first equipment installed
Energetization of 400 kV switchyard
Work starts on L3 bioshield
First Tokamak Complex building visible
Work begins on the L2 level of the bioshield
First PPEN transformer installed
Mega contract to manage assembly and installation
Overhead cranes installed
Cladding complete on Assembly Hall
First mechanical equipment in Tokamak Building
Tokamak Building milestone
First plant component installed in Tokamak Complex
Pouring begins on B1 level
First pour for the bioshield
Steel structure of the Assembly Hall completed
Largest warehouse completed
First formwork for B1 level
First plant component installed
First walls poured
The Tokamak Complex floor is in place
Pouring begins for machine foundations
Cryostat Workshop completed
Pouring begins!
Record contract signed for building services
Critical networks are now in place
Work begins to extend ITER Headquarters
That's it, the pads are hidden
Largest contract kicks off
Segment of site now under Indian Domestic Agency responsibility
New phase begins in Tokamak Pit
Tokamak Complex construction is about to begin
Staff moves to Headquarters building
Headquarters: completed
Drainage networks installed
ITER is connected to the grid
New construction project on site
Seismic Isolation Pit inspected by nuclear regulators
First-phase works are completed in the Tokamak Pit
Last seismic pad installed
PF Winding Facility completed
Installation of seismic pads
Winding Facility completed
The first concrete is poured for the Seismic Pit basemat
Metal reinforcement is in place
Excavation completed
Investigating the rock
210,000 cubic metres of rock
Site preparation for the ITER Headquarters building
First concrete for the PF Coils Winding Facility
Digging begins for Tokamak Complex
Headquarters contract signed
PF Coils Winding Facility to be built by French consortium
Platform stands waiting
First aerial shot of completed site preparations
Cooling basins tested
Temporary office building completed
Visitors Centre opens
Work on the ITER Itinerary begins
Removing tonnes—and tonnes—of earth
Building permit submitted
First aerial photo
Site clearing begins in 2007
Looking out for the environment
Starting off with archaeological digs
Site preparation begins