Google's solar saving estimator is pretty cool -- I punch in my house address and it examines my roof line and notes how southernly each part of your roof lies.

Google's solar saving estimator is pretty cool -- I punch in my house address and it examines my roof line and notes how southernly each part of your roof lies. Unfortunately, it says my cost would go up $53 a month! No point in getting solar if you live in Portland.