Centralia electricity and gas rates
At typical use (853 kWh of electricity and 75 therms of gas a month), electricity and gas for a Centralia house cost about $261 a month: about $3,130 a year. Estimated from public rates, not anyone's actual bill.
Who supplies power and gas to Centralia houses and what a typical house uses: about 853.4 kWh of electricity and 75 therms of gas a month.
Electricity: Ameren Illinois
The City's municipal aggregation program electric rate is $0.1309 (June 2026 through May 2027).
| Charge | Price |
|---|---|
| Fixed charge | $14.51 a month |
| First 800 kWhs a month | 17.78¢ |
| Next kWhs above 800 a month | 15.64¢ |
Gas: Ameren Illinois
Ameren Rate GDS-1: $23.33 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.
| Charge | Price |
|---|---|
| Fixed charge | $23.33 a month |
| Per therm | 96.28¢ |
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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