This seems like a cool concept, but I wonder about the wiring complexity and the trouble shooting/repair for individual elements. It does bring up the idea of ways to integrate power generation in a less imposing way (piezoelectric floor tiles, for example).
http://www.solarfeeds.com/tegolasolare-embeds-solar-panels-in-roof-tiles/
http://www.solarfeeds.com/tegolasolare-embeds-solar-panels-in-roof-tiles/
![PV roof tiles PV roof tiles](/talk/proxy.php?image=http%3A%2F%2Fwww.instablogsimages.com%2Fimages%2F2010%2F06%2F22%2Ftegolasolare-solar-tile_1_Tb9is_69.jpg&hash=a672c7e3bd5a2310927c19962355f27e)