Arizona  solar penetration reached 5.8% in 2016 through Septemberr (82,334 residential installations in 1.4 million single family homes).  The zip code with the greatest penetration was 85396 in Buckeye, which has reached 29.8% solar penetration.  Two zip codes in Maricopa County (85396 and 85395) had solar penetration greater than 20%.

The map presents solar penetration by zip code (hover over the area for detailed statistics) and the chart below lists the top 15 zip codes in Arizona with the highest solar penetration. 

Maricopa County dominated the list of the top 15 zip codes in Arizona with the highest solar penetration.

This analysis was based on data from utilities provided via Arizonagoessolar.org.

For an interactive database on projects and pricing (where available) by installer, city and zip code visit Solar Leaderboard, the leading source for solar market data and competitive analysis.