One Response

1. Prior to 2007, the California Energy Comission administered the rebates, and you could actually download information from them on the individual rebate applications. It would theoretically be possible to mine the information out of that by zip code, but perhaps they already have the information sorted.

   Now the rebates go through http://www.gosolarcalifornia.ca.gov/ , I think, and maybe they have information for you.

   Another way would be to contact the top 3-5 solar installers in the area, and ask how many they’ve put in.

   Finally, if you have no other choice, you could always to go Google Maps, satellite view, and take a sampling of how many houses have panels within (say) a square mile, then scale up for an approximation.