{"$E":{"an":"What do solar panels cost in Mercer County, NJ?","ao":"The typical cost per watt for solar panels in Mercer County, NJ as of August, 2025 is $3.4/W. The installation of a 5 kW solar panel system in Mercer County, NJ will cost about $11,900 after federal tax credits.","ap":"b"},"aq":"dM"}