No...you are right.In the winter you can go to Mexico anyways.
Its a winner idea....
I like it...and also have fantasies of mounting a home made  wind generator and old Ford alternator...or some such :)
A Saurette deep cycle and a cheapo inverter.
My grandfather had one on his house (roof) in ? 1940...... to run the radio mostly.
"The Daily farm report"...his version of RoB 
Heavens knows there is no shortage of wind in BC.
As for home solar....
Maybe if I was 40 years old, to get the full benefit...
kinda like some stocks I hear about
OK...peace.