Solar in Jacksonville has good sun and a more seasonal day than the southern peninsula. Winter is real enough that the low sun, the shorter day, and the oak shade change what the roof can do. Summer is still a long, strong stretch. None of that rescues a tired covering. Beach roofs take salt and wind. Inland roofs take pine debris, oak shade, and heat. Start with the age of the roof, the species throwing shade, and whether you are east of the ditch at the ocean or back under the canopy.
Hardware has to match that split. Salt at the beaches works on racking and lugs. Inland, the attachment fight is wind when a coastal storm comes ashore and limbs when the oaks throw them. Rails belong in the structure, flashed so a sideways rain does not become a ceiling stain. Modules lose output when the roof is brutally hot, which it is all summer, and they see less of the day in winter under a low sun and a bare or leafed oak. A single sunny photograph is not a site.
Someone should stand on the roof. Aerial views miss soft decking, a pine-needle valley, and a panel in an older house that is already full. Ask which module and inverter are specified, where the inverter lives, and who you call when it goes quiet in a month when you expected otherwise. Association rules on the street slope, if you have them, belong in the first conversation. Older roofs with odd dormers and porches may not take a clean rectangle. Say that.
Ask who files the permit and the utility permission to operate, and what happens if the answer requires a change. This is not a money call. It is a roof, a shade, a winter sun angle, and a salt-or-inland question. If the covering is at the end of its life, replace it before any rail goes down. The beaches and the oak streets do not get to skip that step. Call the number on this page.