Homes never need to offset 100% in their home’s energy with solar. In fact, homes can however trust in other energy resources that don't must be offset by solar including: fuel stoves and central heating. Pricing and funding (20%): Solar panels Expense more in California than in many states. Presented https://www.slideshare.net/TonyRaoufi/what-factors-to-remember-before-installing-solar-system-in-your-home