you make good points.
My point is that with today's technology, wind are solar are only intermediate, part time supplies of power. The sun doesn't shine 24/7 and it isn't always windy.
Apart from also being complete eye-sores and visual pollution that is.
RE: storage - check out a new technology that will help in the long run.
www.nanoone.ca
This could be a game changer for batteries.