>>11159094Assuming a single country will build it and not the ITER way, I say we are around 30-40B in construction costs away from a prototype, unless some new problems arise, which they always do. For example just now EU is preparing to build a whole new tokamak in Italy just to test new divertor schemes, since if i understand presentation correctly there is non,
0 chance that scientists fucked up previous calculations a bit, and heat won't be spread out enough.
$30B per plant makes fusion completely uncompetitive.