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Solar Payback Period Calculator

Enter System

Enter Cost of Electricity

Enter Yearly Energy Usage

The cost of your system in US dollars. Someone who pays 13 cents per kilowatt hour and uses 11,280 kilowatt hours per year would need a system starting around $10,000.

This is how much your electric company charges per kilowatt hour. This does not include any base fees your utility charges. The national average is around 20 cents per kilowatt hour.

The national average for yearly kilowatt hour usage is 10,715 kWh as per U.S. Energy Information Administration (EIA). You can get the accurate number from your monthly bills.



Include 30% Federal Tax Credit (Valid through 2022)

Default values are based on national averages for electricity cost and usage. Several factors will influence the ROI of your solar panels. This payback period is not guaranteed.

Your Solar system will pay for itself in -- years

Average American household pays a monthly electric bill of $118. Solar panels replaces the electricity you buy from your utility company, reducing or completely eliminating the electric bill. Solar is a big purchase up front but this investment quickly pays for itself in savings over the life of ownership.