{"$J":{"av":"What do solar panels cost in Northumberland County, PA?","aw":"The cost per watt for solar panels in Northumberland County, PA during August of 2025 averages $3.37/W. After the federal tax credit, the estimated cost for a 5 kW solar panel system in Northumberland County, PA is roughly $11,795.","ax":"e"},"ay":"dT"}