Japan · Magnetic confinement (tokamak)
Japan Torus-60 Super Advanced
Operated by QST · F4E · First operation 2023
Status: Operational
The world's largest operating tokamak — a joint Japan-EU device serving as a satellite to ITER.
JT-60SA is a superconducting tokamak in Naka, Japan, jointly built by Japan's QST and the EU under the Broader Approach agreement. It supports ITER by exploring advanced steady-state plasma scenarios.
Key specifications
- Plasma volume
- 135 m³
- Plasma current
- 5.5 MA
- Pulse duration
- 100 s
Milestones
Oct 2023
First plasma achieved
2024
Integrated commissioning continues