{"$U":{"aY":"What do solar panels cost in Long Hill CDP (Fairfield County), CT?","aZ":"The cost per watt for solar panels in Long Hill CDP (Fairfield County), CT during August of 2025 averages $3.7/W. For a 5 kW solar panel system, the total cost in Long Hill CDP (Fairfield County), CT after federal tax credits is around $12,950.","b$":"b"},"ba":"eN"}