A rooftop-solar owner shared their frustrations on Reddit after receiving a PG&E bill that seemed to show a painful mismatch: about $12 in energy charges and roughly $68 just to deliver that power. It raised a familiar question: If a homeowner with solar panels is generating much of their own electricity, why are utility costs still so high? In a Reddit post on r/solar, the original poster blasted PG&E and shared a photo of what they described a…