George over at Practical Environmentalist has a great post on how to clean solar panels. The basic idea is to make sure your panels are in good shape (no cracks in the glass, etc) and then it’s pretty much as simple as cleaning a window. Check out the post for full details.
Photo courtesy of naturalturn on flickr.
That much dust can show up in one sandstorm, and there’s not much rain to wash it away.










