{"$m":{"$V":"What do solar panels cost in Barnwell County, SC?","$W":"As of August, 2025, the average cost for solar panels in Barnwell County, SC is $3.39/W. Installing a 5 kW solar panel system in Barnwell County, SC will cost approximately $11,865 after applying the federal tax credit.","$X":"b"},"$Y":"dz"}