{"$D":{"at":"What do solar panels cost in Cowlitz County, WA?","au":"As of August, 2025, the average cost for solar panels in Cowlitz County, WA is $3.26/W. With the federal tax credit, the cost of a 5 kW solar panel system in Cowlitz County, WA drops to roughly $11,410.","av":"b"},"aw":"dU"}