Independent profile. Kilowatt Atlas is not affiliated with ComEd, does not use its logo or branding and cannot take payments, start service or look up accounts. Figures come from public federal data for 2025.
Residential customers
3.75 million
3,753,924 homes
Average price
17.71 cents
Illinois average 17.67
Average bill
$107.32
Per month at 606 kWh
Price rank
17 of 18
Lowest to highest in Illinois
ComEd rates and average bill
ComEd reported 3,020,130 residential customers on bundled service in 2025, using 606 kWh a month on average at 17.71 cents per kWh. Bundled means the utility supplies the energy and delivers it, so the price covers both. Among the 18 Illinois utilities with at least 10,000 bundled residential customers, ComEd ranks 17 from the lowest price.
| Average | Cents per kWh | kWh per month | Monthly bill |
|---|---|---|---|
| ComEd | 17.71 | 606 | $107.32 |
| Illinois (all utilities) | 17.67 | 717 | $126.59 |
| United States | 17.23 | 874 | $150.68 |
Another 733,794 residential customers use ComEd for delivery only and buy their energy from a different supplier. EIA reports their delivery revenue at about 8.89 cents per kWh, or $61.15 a month, which does not include the supply price.
Source: U.S. Energy Information Administration, Form EIA-861 (final 2025 data), sales to ultimate customers. Price is revenue divided by sales and includes fixed charges.
Service area
EIA lists the counties where ComEd has distribution equipment. That covers 24 counties in Illinois. A county can be served by more than one utility, so confirm your address with the utility or your bill.
Illinois (24 counties)
Boone, Bureau, Carroll, Cook, DeKalb, DuPage, Ford, Grundy, Jo Daviess, Kane, Kankakee, Kendall, LaSalle, Lake, Lee, Livingston, Marshall, McHenry, Ogle, Stephenson, Whiteside, Will, Winnebago, Woodford
Not sure who serves your address? Use find my electric company.
Reliability
For 2025, ComEd reported an average of 38 minutes without power per customer and 0.54 interruptions per customer, with major event days left out. The typical interruption lasted about 70 minutes. For comparison, the median state averaged 127 minutes of outage per customer.
ComEd had about 89 fewer minutes of outage per customer than the median state. The Illinois figure across its utilities was 62 minutes. One interruption lasting 70 minutes and 0.54 interruptions a year per customer add up to the 38 minute total.
Source: U.S. Energy Information Administration, Form EIA-861 (final 2025 data), reliability schedule, measured under IEEE 1366. Utilities define events slightly differently, so compare with care.
Rate options and rooftop solar
- Time-of-use pricing. ComEd does not report a residential time-of-use program in its 2025 EIA filing. Ask the utility, because programs change. How time-of-use rates work.
- Rooftop solar and net metering. EIA shows 73,159 residential net-metered systems on the ComEd grid in 2025, with 552.3 megawatts of capacity. How net metering works.
Who owns and regulates it
A private company owned by shareholders. A state commission reviews its costs and sets or approves its rates in formal rate cases. In Illinois, that review is done by the Illinois Commerce Commission.
ComEd is an investor-owned utility based in Illinois.
ComEd operates in the PJM power market. Power markets set wholesale costs, but your retail rate is set by the rules described above.
ComEd compared with Illinois
Of the 23 utilities listed for Illinois, ComEd is the 1st largest by homes, at roughly 69.2% of the state total. Illinois has too few other investor-owned utilities with reported prices to compare ComEd with its type, so the state average of 17.67 cents per kWh is the fairest yardstick. Over a year, the typical ComEd bill runs about $231 below the state average, with monthly use 111 kWh lower. ComEd lists distribution equipment in 24 counties, so check your county and your bill before you assume it serves you. 73,159 of its residential customers use net metering, or 19.5 per 1,000 homes, against 22.9 for Illinois as a whole.
Source: U.S. Energy Information Administration, Form EIA-861 (final 2025 data). Peers are other utilities of the same type in Illinois with at least 1,000 residential customers and a reported price.
Other Illinois utilities
| Utility | Type | Homes | Cents per kWh |
|---|---|---|---|
| ComEd | Investor-owned | 3,753,924 | 17.71 |
| Ameren Illinois | Investor-owned | 1,062,810 | 16.70 |
| MidAmerican Energy | Investor-owned | 717,275 | 11.08 |
| City of Springfield | Municipal | 59,366 | 13.09 |
| City of Naperville | Municipal | 57,225 | 14.61 |
| Corn Belt Energy | Cooperative | 34,952 | 15.59 |
See every one on the electric companies in Illinois page.
Official site and where to get help
Kilowatt Atlas is not ComEd and does not take payments, start service or manage accounts. To pay a bill, report an outage or start service, use the website, app or phone number printed on your bill. Be careful with search ads and lookalike sites that offer to pay your bill for a fee.
- Want to understand a line on your bill? Read how to read your electric bill.
- Think your bill is high? Try the bill checker.
- Illinois allows retail choice in part or all of the state. See the provider guide.
ComEd questions
What is the average residential electric rate for ComEd?
ComEd residential customers on bundled service paid an average of 17.71 cents per kWh in 2025, with average use of 606 kWh a month and an average bill of $107.32 (EIA Form EIA-861). The Illinois average was 17.67 cents.
How many customers does ComEd have?
EIA reports about 3,753,924 residential customers for ComEd in 2025.
Who regulates ComEd?
A private company owned by shareholders. A state commission reviews its costs and sets or approves its rates in formal rate cases. See the regulator for Illinois on the Illinois state page.
How reliable is ComEd?
For 2025, ComEd reported an average of 38 minutes of outage per customer and 0.54 interruptions per customer, excluding major event days (IEEE 1366). Utilities measure outages in slightly different ways, so compare with care.