{"aO":{"dn":"What do solar panels cost in South Barrington, IL?","do_":"In South Barrington, IL, the mean cost per watt for solar panels as recorded in August, 2025 is $3.73/W. After the federal tax credit, the estimated cost for a 5 kW solar panel system in South Barrington, IL is roughly $13,055.","dp":"q"},"dq":"ai"}