{"ak":{"by":"What do solar panels cost in Littleton, CO?","bz":"In Littleton, CO, the mean cost per watt for solar panels as recorded in August, 2025 is $3.67/W. After the federal tax credit, the estimated cost for a 5 kW solar panel system in Littleton, CO is roughly $12,845.","bA":"c"},"bB":"bb"}