gas prices in midlothian, illinois
Electricity in Midlothian. ^ Electricity prices in Midlothian, IL in May 2017 averaged 13.71 Â¢/kWh, or about 5% more than the average U.S. price. Natural Gas in Midlothian. ^ Natural gas prices in Midlothian, IL in April 2017 averaged 10.13 $/Mcf, or about 11% less than the average U.S. price.