{"$W":{"aK":"What do solar panels cost in St. Johns County, FL?","aL":"In St. Johns County, FL, the mean cost per watt for solar panels as recorded in August, 2025 is $2.97/W. The installation of a 5 kW solar panel system in St. Johns County, FL will cost about $10,395 after federal tax credits.","aM":"b"},"aN":"ek"}