Form 310 for the Arizona Solar Energy Credit is available in the software. All Arizona credits are listed on AZ Form 301 is a summary form for all the Arizona credits on your return, and Form 310 is the Solar Energy Credit, which cannot exceed $1,000 per residence.
You will find the credits in the final part of the Arizona interview. Search for Form 301 or Form 310, and jump to the link to access the form.