According to the Solar Energy Potential site [1], the difference between the best and worst areas in the US is a factor of 2 or 3. I assume they average over th

According to the Solar Energy Potential site [1], the difference between the best and worst areas in the US is a factor of 2 or 3. I assume they average over the whole year and take cloud cover into account. [1] https://energy.gov/maps/solar-energy-potential https://energy.gov/maps/solar-energy-potential