Energy Informative Energy Informative $10,000 or more How Much Do Solar Panels Cost solar panels’ cost $15,000 and $40,000 they usually pay for themselves after five years one source Energy Informative http://energyinformative.org/solar-panels-cost/ $15,000 to $40,000 $15,000 and $40,000 for a 3kW to 8kW system http://energyinformative.org/solar-panels-cost/ average cost EnergyInformative http://energyinformative.org/solar-panels-cost/ solar panels cost http://energyinformative.org/solar-panels-cost/ solar panels cost tax incentives definitely not free total costs http://energyinformative.org/solar-panels-cost/#system-costs $500 per year on electricity bills average price solar panels cost http://energyinformative.org/solar-panels-cost/ $10,000 or more From a 2015 Article: http://energyinformative.org/solar-panels-cost/ $10,000 or more Energy Informative solar panel costs evidence costs $6 per watt $500 per year on electricity bills