I don't think the size of the thing is really an issue - they can always make bigger turbines. Smaller and lighter for the same power is definitely a plus, but

I don't think the size of the thing is really an issue - they can always make bigger turbines. Smaller and lighter for the same power is definitely a plus, but not the big advantage the article is talking about. The real advantage of this is not having to use a tonne of rare-earth magnet and instead using only kilograms of rare earth material in the superconducting version.