ElectricBillMath

Commonwealth Edison Co: average rate and electric bill (2025)

Commonwealth Edison Co (investor-owned utility, Illinois) served 3,020,130 homes in 2025. The average customer used 606 kWh a month and paid $107, an average price of 17.7¢ per kWh including fixed charges, riders and taxes. That is about the same as the Illinois average of 17.7¢.

17.7¢average price per kWh
$107average monthly bill
606kWh per month, average home
23 of 27utilities in Illinois, cheapest first

What a bill costs at Commonwealth Edison Co's average price

Monthly usageEstimated bill
500 kWh$89
1,000 kWh$177
1,500 kWh$266

The average price spreads fixed monthly charges over all kWh. At low usage your price per kWh is higher, at high usage lower. Your current tariff can differ from the 2025 average, especially after a rate case.

Calculate your bill · Heat pump vs furnace with this rate

Delivery-only customers

733,794 customers of Commonwealth Edison Co bought their electricity supply from another provider and paid Commonwealth Edison Co only for delivery: an average of 8.9¢/kWh. Their total price is that delivery charge plus their supplier's energy price (Illinois average for supplier energy: 10.8¢/kWh).

Compare with other utilities in Illinois

Name¢/kWhAvg. bill
MidAmerican Energy Co10.0$74
City of Springfield13.1$113
City of Naperville14.6$112
Southeastern IL Elec Coop, Inc14.8$181
Southwestern Electric Coop Inc15.4$178
Corn Belt Energy Corporation15.6$148
Ameren Illinois Company16.7$148
Sunrun Inc.17.0$112
Commonwealth Edison Co17.7$107

Source: U.S. Energy Information Administration, Form EIA-861 annual data 2025 (released October 2026), utility ID 4110. Average price = residential revenue ÷ residential kWh sold; average bill = revenue ÷ customers ÷ 12.