Iter: Flagship fusion reactor could cost twice as much as budgeted

The international project, which aims to produce cheap green power by recreating the conditions inside the sun, already absorbs half Britain’s energy research budget

An experimental fusion reactor that will recreate the conditions at the heart of the sun to create cheap green power could cost twice as much as governments had planned for, the Guardian has learned.

The flagship project, which absorbs almost half of Britain’s energy research budget, will test complex machinery needed to make the world’s first operational fusion power plants


The Iter fusion reactor was originally costed at