This time, say reactor vendors and big engineering and construction firms hoping to do the building, things will be different.

FORBES: Energy & Genius

In addition to clearing our last remaining scientific hurdle, we need to advance a parallel engineering agenda into key reactor technologies that will enable commercial fusion power plants to reliably deliver electricity in a highly competitive market.

CNN: Nuclear fusion is the 'perfect energy source'

The show piece reactor at Olkiluoto-3 in Finland is years behind schedule and has become a byword for engineering incompetence on a grand scale.

CNN: Opinion: Nuclear is 'a spanner in the works'