{"$G":{"av":"What do solar panels cost in Londonderry CDP, NH?","aw":"The typical cost per watt for solar panels in Londonderry CDP, NH as of August, 2025 is $3.83/W. A 5 kW solar panel system will cost you around $13,405 in Londonderry CDP, NH after the federal tax credit is applied.","ax":"$"},"ay":"ef"}