Larry D. Moore’s image of another interesting solar panel configuration in Austin, Texas. Image dated September, 20009. You can find a higher-resolution image – and other excellent images on a variety of subjects in his Wikimedia Commons Gallery.
Assuming, for argument’s sake, that the configuration has no effect (in either direction) on efficiency. Since we’re going to be using more and more of these, we think experimentation with aesthetic form is an end unto itself, rather than having the national landscape covered with identical objects.