{"aW":{"ca":"What do solar panels cost in Williamson County, TX?","cb":"In Williamson County, TX, the mean cost per watt for solar panels as recorded in August, 2025 is $2.95/W. The installation of a 5 kW solar panel system in Williamson County, TX will cost about $10,325 after federal tax credits.","cc":"i"},"cd":"fG"}