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

Southwestern Electric Coop Inc. (IL) electricity rates

Southwestern Electric Coop Inc. (IL) (cooperative) residential customers paid about 13.7¢ per kWh (2024 average) — an average bill of $154 for 1,124 kWh a month.

Avg. home price13.7¢per kWh
Residential customers24,822IL, 2024
Avg. monthly use1,124kWh
Commercial13.1¢per kWh
Industrial11.6¢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 Southwestern Electric Coop Inc. (IL)

500 kWh / month$68
900 kWh / month$123
1,200 kWh / month$164

Monthly cost at the average price of 13.7¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.

Price trend

11¢14¢17¢20¢23¢20222023202420252026Illinois averageU.S. average 11¢14¢17¢20¢23¢20222023202420252026Illinois averageU.S. average
Illinois averageU.S. average
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.

EIA publishes monthly figures only for larger utilities; this one reports yearly, so the chart shows the state.

ZIP codes served

61957Windsor62001Alhambra62002Alton62009Benld62010Bethalto62011Bingham62012Brighton62014Bunker Hill62015Butler62017Coffeen62018Cottage Hills62019Donnellson62021Dorsey62023Eagarville62024East Alton62025Edwardsville62026Edwardsville62032Fillmore62033Gillespie62034Glen Carbon62035Godfrey62040Granite City62046Hamel62048Hartford62049Hillsboro62051Irving62056Litchfield62058Livingston62059Lovejoy62060Madison62061Marine62062Maryville62067Moro62069Mount Olive62074New Douglas62075Nokomis62076Ohlman62077Panama62079Piasa62080Ramsey62084Roxana62085Sawyerville62086Sorento62087South Roxana62088Staunton62089Taylor Springs62090Venice62091Walshville62093Wilsonville62094Witt62095Wood River62097Worden62201East Saint Louis62202East Saint Louis62203East Saint Louis62204East Saint Louis62205East Saint Louis62206East Saint Louis62207East Saint Louis62208Fairview Heights62215Albers62216Aviston62218Bartelso62219Beckemeyer62220Belleville62221Belleville62222Belleville62223Belleville62225Scott Air Force Base62226Belleville62230Breese62231Carlyle62232Caseyville62234Collinsville62239Dupo62240East Carondelet62243Freeburg62245Germantown62246Greenville62249Highland62250Hoffman62252Huey62253Keyesport62254Lebanon62255Lenzburg62257Marissa62258Mascoutah62260Millstadt62262Mulberry Grove62264New Athens62265New Baden62266New Memphis62269O Fallon62273Pierron62275Pocahontas62281Saint Jacob62282Saint Libory62284Smithboro62285Smithton62289Summerfield62293Trenton62294Troy62401Effingham62411Altamont62414Beecher City62418Brownstown62422Cowden62424Dieterich62426Edgewood62431Herrick62434Ingraham62438Lakewood62443Mason62444Mode62458Saint Elmo62461Shumway62462Sigel62463Stewardson62465Strasburg62467Teutopolis62471Vandalia62473Watson62533Farmersville62534Findlay62538Harvel62550Moweaqua62553Oconee62560Raymond62565Shelbyville62571Tower Hill62572Waggoner62626Carlinville62630Chesterfield62640Girard62649Hettick62667Modesto62672Nilwood62674Palmyra62683Scottville62685Shipman62690Virden62801Centralia62807Alma62824Clay City62838Farina62839Flora62849Iuka62853Kell62854Kinmundy62858Louisville

and 9 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 Southwestern Electric Coop Inc. (IL)’s electricity rate?

About 13.7¢ per kWh for residential customers (2024 average, EIA-861), including fixed charges spread over usage.

What is the average Southwestern Electric Coop Inc. (IL) electric bill?

$154 a month in 2024, for an average of 1,124 kWh (EIA-861).

Is Southwestern Electric Coop Inc. (IL) cheaper than the Illinois average?

Yes: 13.7¢ versus the Illinois average of 19.3¢ (Aug 2026).