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 13 cents per kilowatt hour.
You can add a years worth of killowat hours from your monthly bills to get an accurate number. The national average for yearly kilowatt hour usage is 11,280 kWh.
*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.