{"$B":{"av":"What do solar panels cost in Benton County, WA?","aw":"In Benton County, WA, the mean cost per watt for solar panels as recorded in August, 2025 is $3.51/W. Installing a 5 kW solar panel system in Benton County, WA will cost approximately $12,285 after applying the federal tax credit.","ax":"b"},"ay":"af"}