{"$w":{"ak":"What do solar panels cost in Harnett County, NC?","al":"In Harnett County, NC, the mean cost per watt for solar panels as recorded in August, 2025 is $3.08/W. The installation of a 5 kW solar panel system in Harnett County, NC will cost about $10,780 after federal tax credits.","am":"b"},"an":"dL"}