There are also designs which keep the generators on the ground, and turn it by spooling/unspooling the tether e.g. https://en.wikipedia.org/wiki/SkySails https:

There are also designs which keep the generators on the ground, and turn it by spooling/unspooling the tether e.g. https://en.wikipedia.org/wiki/SkySails https://en.wikipedia.org/wiki/SkySails