Quote Originally Posted by gnihcraes View Post

None of my roofs will be south facing, all east or west. But I'm including a detached garage and house together, and they promised 95% of my normal usage via solar, usually 100% plus some.

What is you average monthly KW usage? Total watts proposed?

An example of a output from a grid-tied system I installed 6yrs ago. South facing, full sun. 3200 watts/Sanyo panels. Averages 420 KW's monthly production.