What was the overall cost to install.
Is there an auto switch to the main box, do you feed back to the grid automatically?
What we did was finance the $16k for 5 years, and the amount we would have been paying our electric provider each month, we are paying to the bank on the note.
Our energy will be free and clear in 5 years, at which time there is no way to even predict what electric costs will be. The one thing we know for sure is that electricity is never going to be cheaper in our lifetimes.