{"aN":{"dj":"What do solar panels cost in Harwood Heights, IL?","dk":"As of August, 2025, the average per-watt cost for solar panels in Harwood Heights, IL is $3.94/W. In Harwood Heights, IL, the cost of installing a 5 kW solar panel system is approximately $13,790 after applying the federal tax credit.","dl":"q"},"dm":"ak"}