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Mt. Vernon electricity and gas rates

At typical use (853 kWh of electricity and 75 therms of gas a month), electricity and gas for a Mt. Vernon house cost about $246 a month: about $2,950 a year. Estimated from public rates, not anyone's actual bill.

Who supplies power and gas to Mt. Vernon houses and what a typical house uses: about 853.4 kWh of electricity and 75 therms of gas a month.

Electricity: Ameren Illinois

Supply is the City aggregation's Homefield Energy rate of 11.378 cents per kWh (June 2026 to May 2027).

ChargePrice
Fixed charge$14.51 a month
First 800 kWhs a month16.08¢
Next kWhs above 800 a month13.93¢

Gas: Ameren Illinois

Ameren Rate GDS-1: $23.33 monthly customer charge plus 48.344 cents per therm, Rider GER 2.692 cents per therm and the October 2026 supply price of 45.24 cents per therm.

ChargePrice
Fixed charge$23.33 a month
Per therm96.28¢

Sources

  1. City electric aggregation
  2. Homefield Energy Mount Vernon
  3. CUB 2026 electric rates
  4. CUB gas Oct 2026
  5. EIA electricity
  6. EIA gas consumption
  7. EIA gas customers

Checked October 30, 2026. Every number here comes from the public sources listed, matched by our checker.

Rates change every year; this page shows when it was last checked. Nothing here is legal, tax or insurance advice.

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