4 ms·there's a company now that's laying them flat reducing the cost significantly.by soperj 4y agothere's a company now that's laying them flat reducing the cost significantly.thombat 4y agoRemoves the cost of the frame, reduces efficiency. Presumably whether it's a net gain depends upon the site, eg terrain shape, latitude, need for passive cooling, wind-blown dirt, local fauna, etc.aitchnyu 4y agoCan we make pedestrian paths using solar panels yet?