> There are no dirty panels to clean, for example. Sure, there aren’t dirty solar panels to clean, because instead there’s the dirty glass (or plastic?) roof o

> There are no dirty panels to clean, for example. Sure, there aren’t dirty solar panels to clean, because instead there’s the dirty glass (or plastic?) roof of the structure to clean. And access seems much harder, since a PV farm can have access roads between rows of panels, whereas a giant greenhouse is rather more constrained in layout.