Yeah the prices have plummeted. So much so that companies like Solyndra (that the US government gave $535 MILLION in loan guarantees)… has just folded.
The only time I was in a house that used solar energy was a few months ago in Maui. The house we rented used solar energy but we always had to flip the switch to take a hot shower as it would never generate enough power to give a really hot shower.
I was always curious about others experience with solar…..