> It's not unfathomable that a cheap, automated method of doing this could be developed. And that cheap, automated method will require energy as well. Perhaps

> It's not unfathomable that a cheap, automated method of doing this could be developed. And that cheap, automated method will require energy as well. Perhaps a bigger concern maybe that such a method may require a cheap fluid to prevent damage to the panel coatings and that might be water, already a scarce resource in those places.