{"ai":{"bS":"What do solar panels cost in Rose Hill CDP (Fairfax County), VA?","bT":"The average solar panel cost in Rose Hill CDP (Fairfax County), VA as of August, 2025 is estimated at $3.41/W. After federal tax credits, the installation of a 5 kW solar panel system in Rose Hill CDP (Fairfax County), VA is estimated to cost $11,935.","bU":"q"},"bV":"aL"}