Nuclear Fusion: Japan’s JT-60SA, the New World Leader

The inauguration of the JT-60SA in Japan marks a major breakthrough in nuclear fusion, positioning the project as a world leader.

Share:

Comprehensive energy news coverage, updated nonstop

Annual subscription

8.25$/month*

*billed annually at 99$/year for the first year then 149,00$/year ​

Unlimited access • Archives included • Professional invoice

OTHER ACCESS OPTIONS

Monthly subscription

Unlimited access • Archives included

5.2$/month*
then 14.90$ per month thereafter

FREE ACCOUNT

3 articles offered per month

FREE

*Prices are excluding VAT, which may vary depending on your location or professional status

Since 2021: 35,000 articles • 150+ analyses per week

Nuclear fusion, often referred to as “energy from the stars”, holds great promise for our planet’s energy future. This technology, which represents a turning point in scientific research, is symbolized by the recent JT-60SA project in Japan. In parallel with the challenges faced by the Iter program in France, the JT-60SA is emerging not only as an essential complement, but also as a leader in the field.

The JT-60SA: A Titan of Nuclear Fusion

The JT-60SA, located at the Naka Fusion Institute, stands out as the largest operational tokamak, surpassing its competitors in scale and capacity. This achievement is the fruit of close collaboration between Japan and the European Union, initiated in 2007 and brought to fruition after years of hard work. The inauguration of this 15.5-metre-high, 13.5-metre-diameter colossus represents an important milestone in the quest for clean, sustainable energy.

Scientific and Technological Success

The JT-60SA took a decisive step forward with plasma production last October, marking a key milestone in nuclear fusion research. This success is not just a technical triumph, but also a promising sign for the future of energy. Nuclear fusion, which mimics the energy processes of the stars, offers an environmentally-friendly alternative, producing little radioactive waste and without the dangers associated with today’s nuclear power plants.

Prospects and Challenges of Nuclear Fusion

While the JT-60SA is moving forward, the Iter program in France is facing obstacles, potentially delaying its objectives. These challenges underline the importance of international collaboration and continuous innovation. Moreover, recent advances in the United States, with a net gain in energy thanks to a different technology, demonstrate the diversity and vitality of the field.

Towards a Renewed Energy Future

Nuclear fusion is at the forefront of the energy revolution, promising a clean and abundant source of energy. The JT-60SA’s efforts, combined with worldwide progress, raise hopes of viable commercial operation in the near future.

The emergence of the JT-60SA as a leader in nuclear fusion research marks an era of cooperation and innovation. This breakthrough represents a giant step towards a sustainable, carbon-free energy future.

EDF has announced that the Flamanville EPR reactor is now operating at 80% of its capacity. The target of reaching full output by the end of autumn remains confirmed by the utility.
The accelerated approval of the Aurora facility’s nuclear safety plan marks a strategic milestone in rebuilding a domestic nuclear fuel production line in the United States.
The Industrikraft consortium will invest SEK400mn ($42.2mn) to become a shareholder in Videberg Kraft, marking a new phase in Sweden’s nuclear project led by Vattenfall on the Värö Peninsula.
MVM Group has signed an agreement with Westinghouse to secure VVER-440 fuel supplies from 2028, reducing its reliance on Russia and strengthening nuclear cooperation between Budapest and Washington.
The delivery of nuclear fuel by Russian subsidiary TVEL to the Da Lat research reactor marks a key step in strengthening the nuclear commercial partnership between Moscow and Hanoi.
US supplier X-energy has formalised a graphite supply contract with Japan's Toyo Tanso for the construction of its first four small modular reactors, in partnership with Dow and backed by the US Department of Energy.
US-based Enveniam has signed an agreement with LIS Technologies Inc. to oversee the design and construction of a new laser-based uranium enrichment facility on American soil.
Faced with shorter approval timelines, several European nuclear firms, including Newcleo, Orano and Urenco, are considering relocating key industrial investments to the United States.
A consortium led by Swedish giants such as ABB, SSAB and Volvo will invest SEK400mn to support the development of small modular nuclear reactors through a strategic partnership with Vattenfall.
Russia and India are preparing an expanded agreement for the construction of VVER-1200 reactors and modular nuclear power plants, while accelerating work at the strategic Kudankulam site.
Fusion Fuel Cycles has begun work on its UNITY-2 facility, a unique test bench designed to validate the full tritium fuel cycle under fusion conditions, marking a key step toward fusion energy.
Framatome will produce TRISO fuel at Romans-sur-Isère as part of a pilot project for advanced nuclear reactors, in partnership with actors such as Blue Capsule Technology.
Sweden’s parliament has approved a major reform authorising uranium extraction, opening the door to a reassessment of the economic potential of mining projects containing this strategic mineral.
South Africa's regulator has authorised Koeberg Unit 2 to operate until 2045 following maintenance work and a long-term safety assessment.
French nuclear group Orano has confirmed the release of its representative in Niger, detained since May, as tensions remain high with the country’s junta over control of uranium assets.
EDF launches a sovereign digital platform to secure data exchanges between nuclear stakeholders, aiming to accelerate the construction of future EPR2 reactors.
ONE Nuclear Energy publishes a virtual presentation for investors detailing its industrial vision, ahead of its merger with Hennessy Capital Investment Corp. VII expected in the first half of 2026.
A majority of Americans now back nuclear energy, with strong approval for converting coal plants into nuclear sites and increasing public investment in sector technologies.
Alfa Laval extends its cooperation with EDF to supply heat exchangers for EPR2 projects across three nuclear sites, reinforcing its position in the French nuclear sector.
Hadron Energy formalises its regulatory plan with U.S. nuclear authorities ahead of its $1.2bn merger with GigCapital7, relying on early compliance to accelerate the commercial deployment of its microreactor.

All the latest energy news, all the time

Annual subscription

8.25$/month*

*billed annually at 99$/year for the first year then 149,00$/year ​

Unlimited access - Archives included - Pro invoice

Monthly subscription

Unlimited access • Archives included

5.2$/month*
then 14.90$ per month thereafter

*Prices shown are exclusive of VAT, which may vary according to your location or professional status.

Since 2021: 30,000 articles - +150 analyses/week.