This is very cool!! As technology moves forward, I think we will have more and more smaller, but highly efficient panels. Here in CA, many parking lots are now being covered with solar panels. This is great in two ways. The cars can be parked in shade and aren't crazy hot and lots of electricity is produced.
This is great for hospitals and such. If the power supply gets interrupted, they can keep on going - hopefully, they have some batteries as part of their system.