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4425 results found

ITER celebrates Fusion Energy Day in Osaka

Since April this year, the ITER Organization has been exhibiting at the World EXPO in Osaka, Japan—and with great success, as reflected by the tens of thousands of visitors received at the stand. (Organizers have...

All auxiliary cold boxes connected

The cryogenics group at ITER has achieved a significant milestone with the successful integration of the five massive auxiliary cold boxes in the Tokamak Building. Each one, weighing approximately 28 tonnes, has been...

Awe and pride in the Radiofrequency Building

They knew what was in the box. They had contributed to the component’s conception and design, followed the progress of fabrication from prototype to reality, and anxiously waited for delivery. How it worked, delivering...

18 months of negotiation to achieve unanimity

Two decades ago, in the summer of 2005, a decades-long process was nearing its end. After many challenges the international collaboration in “controlled thermonuclear fusion” that Ronald Reagan and Mikhaïl Gorbachev had...

On the integrated modelling of magnetic fusion plasmas

The 14th ITER International School concluded successfully in Aix-en-Provence, France, on 4 July 2025 after five days of lectures and discussions. More than 200 students and lecturers from 39 countries participated.

Main server rooom soon handed over to ITER

Boronization system takes shape as ITER prepares for a tungsten wall

With the help of the fusion community, design modifications are underway to get boron in and out of the machine.

Westinghouse wins major contract for vacuum vessel welding

On Wednesday 25 June, ITER awarded one of the most pivotal responsibilities of tokamak assembly to Westinghouse Electric Company. For the American powerhouse, better known for its decades of nuclear fission plant design...

“Fusion is the solution that scales”

The 31st IEEE Symposium on Fusion Engineering (SOFE) in Boston from 23 to 26 June was the occasion to measure just how fast the fusion ecosystem is changing.

First power supply elements delivered

A new cold test facility for ITER magnets is taking shape on site, with testing on the first toroidal field coil expected to begin at the end of the year. Components for the facility continue to arrive on schedule.

Fifth central solenoid module reaches ITER

It took approximately one month for this central solenoid module to travel from the port of Houston, Texas, to the ITER site in southern France.

Celebrating summer

Two community events were organized in the past week at ITER.

Commissioning begins on EC power supply

The power supply system is a vital part of electron cyclotron heating and current drive—the system at ITER designed for plasma initiation, heating, and control. Tests are underway now to prepare the power supply system...

More preparation for magnet cold testing

The cryostat is not yet in place, but operators have practiced the sequence of operations that will be needed to deliver a toroidal field coil to the new magnet cold test facility at ITER.

A perfect 10

Vacuum vessel sector #4 has been rotated to its other side in a gold medal outdoor performance.

Two sector modules side by side in the pit

There is a new arrival in the tokamak pit—one that upends the perception of space and volume that regular observers had become accustomed to. With the successful insertion of sector module #6 on 18 June, there are now...

Strong project execution and the latest big lift

As delegates from three continents convened on ITER Headquarters for the 36th Meeting of the ITER Council, construction teams were exiting the tokamak assembly theatre after a long night of work. The insertion—six weeks...

Crowds at the ITER stand

Nearly 8 million people have passed through the gates of the 2025 World Expo in Osaka, Japan, since it opened on 13 April. At the ITER stand, a steady stream of visitors is learning how a collaboration of 33 countries is...

ITER @ VivaTech2025

ITER was back again at Viva Technology—an annual conference in Paris that gathers startups, investors, decision-makers, executives, and media for an event focused on innovation. One of the highlights at the ITER stand...

Innovative investments fuel a growing supply chain

As private fusion efforts gain momentum worldwide, a crucial question emerges: how do we finance not only the reactors themselves but also the vast and complex supply chains that make fusion possible?