The average cost to install solar panels in the U.S. typically ranges from $2.50 to $3.50 per watt. For a 6-kilowatt residential solar system, this translates to about $15,000 to $21,000 after federal tax credits. Costs include panel equipment, inverters, installation labor, and permits. Prices can vary based on regional labor rates, panel type, and energy requirements. Despite the up... https://solarsme.com/solar-panel-cost/