You wrote
> Wind has been profitable for years and years even without government handouts
which does not match with
> Unfortunately, I can't give you my source, as it's from a friend who worked at one of the turbine manufacturers
I'd say you wouldn't have to rely on an unnamable source if it were profitable for years.
I know this isn't a satisfying answer, but hopefully the changes in the EU will provide a real-life example before too long.