This is what it says for the Florida incentive program that applies to residential users
Equipment Requirements: All solar energy systems sold in Florida are required by Florida law (FS 377.705) to be approved by the Florida Solar Energy Center
Installation Requirements: PV: Must be installed by a licensed master electrician or state-licensed electrical, solar contractor, or certified general contractor.
Solar Water and Pool Heaters: Must be installed by a state-licensed solar or plumbing contractor or a certified general contractor or a roofing contractor installing standing seam hybrid thermal roofs
