{"aj":{"bR":"What do solar panels cost in Bull Run CDP (Fairfax County), VA?","bS":"In August, 2025, the typical price per watt for solar panels in Bull Run CDP (Fairfax County), VA is $3.41/W. Installing a 5 kW solar panel system in Bull Run CDP (Fairfax County), VA will cost approximately $11,935 after applying the federal tax credit.","bT":"q"},"bU":"aJ"}