Fusion For Energy

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Fusion for Energy (F4E) is the European Union’s Joint Undertaking for ITER and the Development of Fus

Fusion for Energy (F4E) is the European Union’s Joint Undertaking for ITER and the Development of Fusion Energy. The organisation was created under the Euratom Treaty by a decision of the Council of the European Union in order to meet three objectives:

F4E is responsible for providing Europe’s contribution to ITER, the world’s largest scientific partnership that aims to demonstrate fusion as a viable and sustainable source of energy. ITER brings together seven parties that represent half of the world’s population – the EU, Russia, Japan, China, India, South Korea and the United States. F4E also supports fusion research and development initiatives through the Broader Approach Agreement, signed with Japan – a fusion energy partnership which will last for 10 years. Ultimately, F4E will contribute towards the construction of demonstration fusion reactors. F4E is established for a period of 35 years from 19 April 2007 and is located in Barcelona, Spain.

23/10/2026

A peek into the pit 👀

6 out of 9 vacuum vessel modules are in the ITER Tokamak Pit. And the work goes on.

The world’s largest fusion reactor is amazing from every angle ➡️

🫣 ITER Organization captured this view from one the equatorial port cells

Zoom in to see how a human compares to the scale of the steel colossus!

From the top, you can see two radial beams have been removed.

That means the load of these sectors has been transferred to the gravity supports underneath.

The fully assembled ITER vacuum vessel will weigh around 5,200 tonnes. Now that’s a lot to shoulder! 💪

ITER’s assembly is gathering momentum 💫

A few glimpses are enough to reveal the complexity of this engineering challenge.

ITER Organization is bringing together massive components of with extraordinary precision.

🙌 More coming soon! A new European vacuum vessel sector is expected to land in the pit at the end of November.

21/10/2026

Turning commitment into action: Europe signs the first Procurement Arrangements for IFMIF DONES ✍️

F4E will provide a major contribution to build the scientific infrastructure in Granada, including key accelerator technologies.

The IFMIF-DONES facility is strategic in the roadmap to fusion. F4E will capitalise on the know-how of its teams and supply chain to make it a reality, in partnership with Spain, Croatia, Japan and Italy. 🤝

🏗️ Construction is already on! Excavators have started to prepare the ground for the main IFMIF-DONES facility, where the fusion materials of the future will be tested.

Read more: https://fusionforenergy.europa.eu/news/europe-signs-its-first-procurement-arrangements-for-ifmif-dones/

20/10/2026

Fresh talent incoming: welcome to F4E’s new trainees! ☀️

This month we welcomed 45 trainees from all across Europe, joining us in Barcelona, Cadarache and Garching.

We’re excited to see the new faces, and their ambition to contribute to our mission and grow along the way.

Hop on and enjoy the ride to !

19/10/2026

Swiss expertise to light up ITER ⚡️🇨🇭

Fusion For Energy and Ampegon will keep working together to provide power supplies for ITER’s Electron Cyclotron heating.

The eight units manufactured by the Swiss company are being tested on-site and showing an excellent performance.

In parallel, ITER Organization has allocated two additional units to Europe, entrusted to Ampegon through a contract extension.

🙌 We’re proud of this news: a recognition of the strong know-how built over a decade by the European teams – and an opportunity to take it further. It comes at a significant time, as Switzerland rejoined F4E this year.

The EC power supplies are at the cutting edge of electrical engineering. They are designed to provide regulated high voltage and current to the MW-class gyrotrons.

Read more about them: https://fusionforenergy.europa.eu/news/swiss-expertise-to-power-up-iter/

15/10/2026

Two years of professional growth and fond memories 💙

The journey of F4E’s current trainees is coming to an end.

Two years ago we welcomed a cohort of 40 young professionals brimming with fresh talent, ideas and enthusiasm.

Today we bid them farewell, proud of their evolution and grateful for their contribution.

We’ll miss them — but will they miss us? 😉

Thank you for being part of Europe’s mission to fusion energy!

13/10/2026

Italy’s present and future Big Science engineers come together in L’Aquila ⚙️

Last weekend, F4E took part at an event in INFN - Istituto Nazionale di Fisica Nucleare with Italian companies, universities, labs and institutions.

The discussions highlighted how large scientific infrastructures like and are mobilising industry across Europe. To build them, we must keep nurturing engineering skills and a workforce ready to master complex technologies.

F4E presented the growth of Europe’s fusion supply chain alongside the progress of ITER and other fusion projects.

Speakers from CERN, Laboratori Nazionali Del Gran Sasso - INFN and Walter Tosto Spa also shared examples of how Italian industry is seizing opportunities through collaboration with major research projects.

A big thank you to Ordine Ingegneri della Provincia dell'Aquila for organising the event and inviting F4E!

Regione Abruzzo Università degli Studi dell'Aquila

07/10/2026

Yet another manufacturing success! The first Inner Vertical Target is ready for ITER.

Fusion For Energy (F4E) and Research Instruments completed this first-of-a-kind component, which will face the blazing plasma inside the world’s largest fusion reactor.

This achievement rewards years of collaboration, investing in new tools, optimising processes and testing prototypes.

The component, part of ITER’s divertor, is made to endure heat fluxes of up to 20 MW/m² —10 times more than a spacecraft re-entering Earth’s atmosphere.

We counted with the skills and expertise of over 60 international suppliers. Well done to all!

Read the news: https://fusionforenergy.europa.eu/news/the-first-inner-vertical-target-is-ready-for-iter/

05/10/2026

A delivery for the ages: Europe’s final Vacuum Vessel sector is in ITER! 🙌

It’s the end of a remarkable 16-year journey, driven by Fusion For Energy, in collaboration with Ansaldo Energia, Westinghouse Electric Company, Walter Tosto Spa and ITER Organization.

Five 500-tonne steel components. Over 2 million hours of work. 750 km of welding. More than 15 companies involved.

Europe’s industry showed that no challenge is too big when we put our skills and expertise to work.

This is also the last heavy exceptional load to be shipped to ITER, safely transported by Daher by sea and land from Monfalcone to Cadarache.

✨ Huge thanks to our teams and partners! Together, we’re building the world’s largest fusion reactor, and a supply chain ready for what’s next.

Read the press release: https://fusionforenergy.europa.eu/news/europes-final-iter-vacuum-vessel-sector-delivered/

01/10/2026

A reward for bold innovators 📢 💡

F4E has launched the 2026 Fusion Technology Transfer Award: 10,000 EUR for projects that take solutions from fusion to the market.

Plenty of technologies and know-how developed around projects like can find applications far beyond their original scope.

The award, organised in collaboration with EUROfusion, aims to recognise innovation across Europe’s fusion supply chain and supports its business potential.

📅 Applications are open until 30 November 2026.

➡️ https://fusion-technology-transfer.europa.eu/fusion-technology-transfer-award/

30/09/2026

Romanian industry explores fusion’s business opportunities 🌟

F4E joined the first-ever Romanian Industry Day dedicated to Big Science, hosted by the Camera de Comert si Industrie a Romaniei in Bucharest.

We introduced delegates to F4E’s mission to deliver large-scale projects like and showcased the benefits of being part of Europe’s fusion supply chain.

In addition, Walter Tosto WTB shared the company’s successful experience in , manufacturing complex components such as the Vacuum Vessel.

It was great to open new conversations and see the strong interest from Romanian companies! 💬🤝

Dirección

Calle Josep Pla 2
Barcelona
08019

Página web

https://www.fusionforenergy.europa.eu/

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