Rock Falls electricity and gas rates
At typical use (693 kWh of electricity and 75 therms of gas a month), electricity and gas for a Rock Falls house cost about $190 a month: about $2,280 a year. Estimated from public rates, not anyone's actual bill.
Who supplies power and gas to Rock Falls houses and what a typical house uses: about 693 kWh of electricity and 75 therms of gas a month.
Electricity: City of Rock Falls Electric Department
Rate R residential, beginning 5-1-2026: monthly charge $17.30 and $0.1441 per kWh, plus $0.007 CCR per kWh.
| Charge | Price |
|---|---|
| Fixed charge | $17.30 a month |
| Per kWh | 15.11¢ |
Gas: Nicor Gas
Rate 1 Residential Service: monthly customer charge and distribution charge, plus gas cost, each plus Rock Falls' 5.15% municipal utility tax (Nicor Rider 8).
| Charge | Price |
|---|---|
| Fixed charge | $22.40 a month |
| Per therm | 60.40¢ |
Sources
Checked October 31, 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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