The NIA's Capability of the UK Nuclear New Build Supply Chain study said that with investment, British firms are capable of supplying 90% of the components for new nuclear plants, but the largest metal forgings and some specialist reactor parts would need to be imported.

BBC: Sizewell C proposal

The Joint European Torus (JET) is located in Britain, which is the largest such facility in the world and may be regarded as a prototype for the International Thermonuclear Experimental Reactor (ITER) based in France.

FORBES: U.K. And U.S. Join Forces on Laser-Fusion Energy