There is a 30% federal tax credit of the gross cost of the system and a $1,000.00 AZ state tax credit. I.e. If you purchase a system for $25,000, then your Federal tax credit would be $7,500 and an AZ tax credit of $1,000.00. Your actual out of pocket cost would be $16,500.00.
The 30% federal tax credit goes to the financing company to allow you to pay a competitive monthly rate and save money today. The homeowner will keep their $1000 AZ state tax credit