The next nine cities are San Jose, 10.07 solar systems per 1,000 people; Phoenix (8.71); Riverside, California (8.55); Denver (6.22); San Francisco (6.16); Los Angeles (5.01); Orlando (4.63); Austin, Texas (4.62) and Baltimore (3.96).
BuildZoom, whose database includes every licensed contractor in the US, says the national average for 40 metro areas it tracks is 2.26 solar systems per 1,000 people.
Four
