MAST-U
MAST-U, a fusion device (tokamak) in United Kingdom, operated by UKAEA. Operating.
It is the only research reactor operating in the United Kingdom today; the country has shut down one other.
- Country
- United Kingdom
- City
- —
- Type
- Fusion device · Tokamak
- Confinement
- Spherical Tokamak
- Operator
- UKAEA
- Status
- Operating
- First plasma
- —
See also: every research reactor in United Kingdom · How research reactors work
Data: IAEA FusDIS · updated on Sep 5, 2026