Commonwealth Edison Co electricity rates in Illinois, 2025
Commonwealth Edison Co’s 3,020,130 residential customers paid an average of 17.71¢ per kWh in 2025, 0% above the Illinois average of 17.67¢. The typical home used 606 kWh a month, for an average bill of $107.
- 17.71¢avg ¢/kWh (2025)+2.50¢ (+16.4%) vs 2024
- $107Avg monthly billIllinois: $127
- 606 kWhAvg monthly useIllinois: 716 kWh
- 3,020,130Residential customersFull-service utility
| Sector | Customers | Sales (MWh) | Revenue | ¢/kWh 2025 | ¢/kWh 2024 | Change |
|---|---|---|---|---|---|---|
| Residential | 3,020,130 | 21,959,442 | $3,889,282,000 | 17.71¢ | 15.22¢ | +2.50¢ (+16.4%) |
| Commercial | 241,249 | 8,519,021 | $1,289,158,100 | 15.13¢ | 12.31¢ | +2.82¢ (+22.9%) |
| Industrial | 184 | 1,685,672 | $150,739,900 | 8.94¢ | 7.36¢ | +1.58¢ (+21.5%) |
| All sectors | 3,261,563 | 32,164,135 | $5,329,180,000 | 16.57¢ | 14.02¢ | +2.55¢ (+18.2%) |
How Commonwealth Edison Co compares
- Illinois residential average, 2025: 17.67¢ per kWh, 716 kWh a month, $127 average bill. U.S. average: 17.23¢, 874 kWh, $151.
- Among 24 full-service utilities in Illinois with at least 1,000 residential customers, Commonwealth Edison Co ranks 20 of 24 from lowest to highest average price.
- Latest monthly figure: Illinois homes paid 19.32¢ per kWh in August 2026 (preliminary), against 18.03¢ in August 2025. Summer months often run higher than the annual average.
- From 2024 to 2025 this average rose 16.4%; the state average rose 11.3%.
- Another 733,794 residential customers buy supply from a competitive supplier and pay Commonwealth Edison Co only for delivery, averaging 8.89¢ per kWh for that service.
- Commonwealth Edison Co is an investor-owned utility, a private company whose rates are set by the state utility commission. Balancing authority: PJM.
Where Commonwealth Edison Co serves
EIA lists 24 Illinois counties in its 2025 service territory: 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.
587 ZIP codes are matched to Commonwealth Edison Co in NREL’s 2024 ZIP file: 60001, 60002, 60004, 60005, 60006, 60007, 60008, 60009, 60010, 60011, 60012, 60013, 60014, 60015, 60016, 60017, 60018, 60019, 60020, 60021, 60022, 60025, 60026, 60029, 60030, 60031, 60033, 60034, 60035, 60037, 60038, 60039, 60040, 60041, 60042, 60043, 60044, 60045, 60046, 60047, 60048, 60050, 60051, 60053, 60055, 60056, 60060, 60061, 60062, 60064, 60065, 60067, 60068, 60069, 60070, 60071, 60072, 60073, 60074, 60075, and 527 more. Utility boundaries do not follow ZIP lines, so a ZIP can have more than one provider.
Illinois full-service utilities with similar rates
| Provider | ¢/kWh | Avg bill | Customers |
|---|---|---|---|
| Tri-County Electric Coop, Inc (IL) | 16.18¢ | $201 | 16,203 |
| Egyptian Electric Coop Assn | 16.21¢ | $196 | 13,695 |
| Wayne-White Counties Elec Coop | 16.39¢ | $176 | 11,792 |
| Ameren Illinois Company | 16.70¢ | $148 | 587,659 |
| Coles-Moultrie Electric Coop | 17.60¢ | $206 | 8,505 |
| Eastern Illinois Elec Coop | 17.68¢ | $228 | 11,001 |
| Menard Electric Coop | 19.45¢ | $199 | 9,036 |
| Mt Carmel Public Utility Co | 19.68¢ | $177 | 4,337 |
Sources
- U.S. Energy Information Administration, Annual Electric Power Industry Report, Form EIA-861, 2025 final data (f8612025.zip, file dated October 7, 2026): Sales to Ultimate Customers, Average Monthly Bill and Service Territory tables.
- EIA Form EIA-861, 2024 final data (f8612024.zip, file dated December 4, 2025), for the 2024 comparison.
- EIA Electric Power Monthly, Table 5.6.A (average price by state, August 2026 and August 2025; 2026 values are preliminary), file dated October 22, 2026.
- National Renewable Energy Laboratory via OpenEI, U.S. Electric Utility Companies and Rates: Look-up by Zipcode (2024) (investor-owned and other utilities, files dated November 10, 2025), used only to match ZIP codes to utilities.
Average price = residential revenue ÷ residential kWh sold, as reported to EIA. It includes fixed monthly charges, taxes passed through in revenue and seasonal tiers, averaged over the year. Your own rate depends on your tariff and usage.