It turns out there's a lot of powerful sun all around the world, obviously, but in special places where it happens to be relatively inexpensive to place these and also in many more places where there is high wind power.
aber an speziellen Orten, an denen es relativ billig wäre, die Geräte aufzustellen, und auch an vielen weiteren Orten, wo ebenfalls hohe Windenergie vorkommt.