EIA data through August 2026 · updated 2026-10-29

Commonwealth Edison Co. electricity rates

Commonwealth Edison Co. (investor owned) residential customers paid about 20.3¢ per kWh (Jan–Aug 2026) — an average bill of $89 for 583 kWh a month.

Avg. home price20.3¢per kWh
Residential customers3,727,675IL, 2024
Avg. monthly use583kWh
Commercial7.3¢per kWh
Industrial3.5¢per kWh
Illinois has retail electricity choice. Many households can buy electricity supply from a competing supplier, while the local utility still delivers it. The averages here combine utility and supplier sales as reported to the EIA; your state’s public utility commission lists licensed suppliers.

What a month costs with Commonwealth Edison Co.

500 kWh / month$102
900 kWh / month$183
1,200 kWh / month$244

Monthly cost at the average price of 20.3¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.

Price trend

11¢15¢19¢23¢27¢20222023202420252026Illinois averageU.S. averageCommonwealth Edison Co. 11¢15¢19¢23¢27¢20222023202420252026Illinois averageU.S. averageCommonwealth Edison Co.
Illinois averageU.S. averageCommonwealth Edison Co.
Aug 202619.3¢per kWh
vs. 1 year ago+7.2%18.0¢
vs. 5 years ago+50.4%12.8¢
Record high23.9¢May 2026
Avg. home bill$171886 kWh, Aug
EIA forecast, East North Central19.1¢Dec 2027

Hover or tap the chart for exact monthly values. Source: EIA-861M (monthly, latest months preliminary); forecast: EIA Short-Term Energy Outlook (October 2026) for the East North Central region, which includes Illinois, Indiana, Michigan, Ohio, Wisconsin.

ZIP codes served

60002Antioch60004Arlington Heights60005Arlington Heights60006Arlington Heights60007Elk Grove Village60008Rolling Meadows60009Elk Grove Village60010Barrington60011Barrington60012Crystal Lake60013Cary60014Crystal Lake60015Deerfield60016Des Plaines60017Des Plaines60018Des Plaines60019Des Plaines60020Fox Lake60021Fox River Grove60022Glencoe60025Glenview60026Glenview60029Golf60030Grayslake60031Gurnee60033Harvard60034Hebron60035Highland Park60038Palatine60039Crystal Lake60040Highwood60041Ingleside60042Island Lake60043Kenilworth60044Lake Bluff60045Lake Forest60046Lake Villa60047Lake Zurich60048Libertyville60050Mchenry60051Mchenry60053Morton Grove60055Palatine60056Mount Prospect60060Mundelein60061Vernon Hills60062Northbrook60064North Chicago60065Northbrook60067Palatine60068Park Ridge60069Lincolnshire60070Prospect Heights60071Richmond60072Ringwood60073Round Lake60074Palatine60075Russell60076Skokie60077Skokie60078Palatine60079Waukegan60081Spring Grove60082Techny60083Wadsworth60084Wauconda60085Waukegan60086North Chicago60087Waukegan60088Great Lakes60089Buffalo Grove60090Wheeling60091Wilmette60093Winnetka60094Palatine60095Palatine60096Winthrop Harbor60097Wonder Lake60098Woodstock60099Zion60101Addison60102Algonquin60103Bartlett60104Bellwood60105Bensenville60106Bensenville60107Streamwood60108Bloomingdale60109Burlington60110Carpentersville60111Clare60112Cortland60113Creston60115Dekalb60116Carol Stream60117Bloomingdale60118Dundee60119Elburn60120Elgin60121Elgin60122Elgin60123Elgin60124Elgin60126Elmhurst60128Carol Stream60129Esmond60130Forest Park60131Franklin Park60132Carol Stream60133Hanover Park60134Geneva60135Genoa60136Gilberts60137Glen Ellyn60138Glen Ellyn60139Glendale Heights60140Hampshire60141Hines60142Huntley60143Itasca60144Kaneville60145Kingston60146Kirkland60147Lafox60148Lombard60150Malta60151Maple Park60152Marengo60153Maywood60154Westchester60155Broadview60156Lake In The Hills60157Medinah60159Schaumburg60160Melrose Park60161Melrose Park60162Hillside60163Berkeley60164Melrose Park60165Stone Park60168Schaumburg60169Hoffman Estates60171River Grove60172Roselle60173Schaumburg60174Saint Charles60175Saint Charles60176Schiller Park60177South Elgin60178Sycamore

and 479 more.

Averages, not a quote. Prices here are what each utility’s residential customers paid on average (revenue ÷ kWh sold, fixed charges included), as reported to the U.S. Energy Information Administration. Your own rate depends on your plan, season and usage — check your bill or your utility’s tariff.

Questions

What is Commonwealth Edison Co.’s electricity rate?

About 20.3¢ per kWh for residential customers (Jan–Aug 2026 average, EIA-861M), including fixed charges spread over usage.

What is the average Commonwealth Edison Co. electric bill?

$89 a month in 2024, for an average of 583 kWh (EIA-861).

Is Commonwealth Edison Co. cheaper than the Illinois average?

No: 20.3¢ versus the Illinois average of 19.3¢ (Aug 2026).