http://www.arizonasolarsociety.com) reports that the residential solar market in Arizona in the past 18 months "more than 275 residential solar installation companies have opened shop, hired thousands of employees and created one of the most promising industries seen in a decade in Arizona."
The Society reports they have 800 members including "350 companies in their membership that are installing solar electric, solar thermal water heaters and energy efficiency product and services. In addition, there are another 250 members that work in ancillary solar support companies."
Stephanoceras humphriesianum Ammonite Fossil
14 hours ago