Check out these incentives offered by the City of Phoenix and the State of Arizona.
City of Phoenix
Low Income - Weatherization Assistance Program
Solar Installer - SolarAPP+ Program
Water Conservation Incentives - Water Smart Program
Non-Residential Grass Conversion Incentive - Non-Residential Grass Removal Program
Funding for Trees - Tree Grant Programs
Sustainable Home Design - Sustainability Design Home Packet
State of Arizona
Residential - Arizona Department of Revenue's Income Tax Credit for Residential SolarDevices