Joliet, IL is situated at 41.84 degrees latitude and -87.79 degrees longitude.

Solar systems installed in or near Joliet can expect to receive 4.61 solar exposure (measured in kWh per square meter per day) for each kW installed. This translates to an annual yield of 1,350.96 kWh* per installed kW, at a dollar value of $158.60/ $117.53 (Residential/Commercial) at the Illinois's average retail electricity charge.