Rooftop solar would stink for me.  My home is oriented on a north-south axis.  The flat surfaces face east and west.  Optimum solar requires a south-facing surface.  That means major structural moaiifcdtions to mount an ugly (probably wouldn't pass muster on deed restrictions) support panel to face to the south, plus bracing and reinforcement to handle the weight.  That and the fact that we get maybe 30% clear days here makes solar a BIG loser.

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