{"$A":{"aB":"What do solar panels cost in Erwin, TN?","aC":"The typical cost per watt for solar panels in Erwin, TN as of August, 2025 is $3.95/W. The cost of installing a 5 kW solar panel system in Erwin, TN is about $13,825 post federal tax credit.","aD":"c"},"aE":"av"}