Interstate Power and Light Co. electricity rates

Interstate Power and Light Co. (investor owned) residential customers paid about 18.6¢ per kWh (Jan–Aug 2026) — an average bill of $128 for 714 kWh a month.

What a month costs with Interstate Power and Light Co.

500 kWh / month$93

700 kWh / month · avg. use$130

900 kWh / month$167

1,200 kWh / month$223

Monthly cost at the average price of 18.6¢ per kWh. Real bills add or subtract fixed charges, tiers, time-of-use and fuel adjustments.

Price trend

Home priceAvg. billMonthly useBusiness rates

1Y3Y5YAll

Iowa averageU.S. averageInterstate Power and Light Co.

Aug 202617.1¢per kWh

vs. 1 year ago+10.2%15.5¢

vs. 5 years ago+17%14.6¢

Record high17.1¢Aug 2026

Avg. home bill$149872 kWh, Aug

EIA forecast, West North Central13.1¢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 West North Central region, which includes Iowa, Kansas, Minnesota, Missouri, Nebraska, North Dakota, South Dakota.

ZIP codes served

50001Ackworth50002Adair50003Adel50005Albion50006Alden50007Alleman50008Allerton50009Altoona50010Ames50012Ames50013Ames50014Ames50020Anita50021Ankeny50022Atlantic50023Ankeny50026Bagley50027Barnes City50028Baxter50029Bayard50031Beaver50032Berwick50034Blairsburg50035Bondurant50036Boone50037Boone50038Booneville50039Bouton50040Boxholm50043Buckeye50044Bussey50046Cambridge50047Carlisle50048Casey50049Chariton50050Churdan50051Clemons50052Clio50054Colfax50055Collins50056Colo50057Columbia50058Coon Rapids50060Corydon50061Cumming50062Melcher Dallas50063Dallas Center50064Dana50065Davis City50066Dawson50067Decatur50068Derby50069De Soto50070Dexter50071Dows50072Earlham50073Elkhart50074Ellston50075Ellsworth50078Ferguson50099Boone50101Galt50102Garden City50103Garden Grove50104Gibson50105Gilbert50106Gilman50107Grand Junction50108Grand River50109Granger50111Grimes50112Grinnell50115Guthrie Center50116Hamilton50118Hartford50119Harvey50120Haverhill50122Hubbard50123Humeston50124Huxley50125Indianola50126Iowa Falls50127Ira50128Jamaica50129Jefferson50130Jewell50131Johnston50132Kamrar50133Kellerton50134Kelley50135Kellogg50136Keswick50137Killduff50138Knoxville50139Lacona50140Lamoni50141Laurel50142Le Grand50143Leighton50144Leon50145Liberty Center50146Linden50147Lineville50148Liscomb50149Lorimor50150Lovilia50151Lucas50152Luther50153Lynnville50154Mc Callsburg50155Macksburg50156Madrid50157Malcom50158Marshalltown50160Martensdale50161Maxwell50162Melbourne50163Melcher Dallas50164Menlo50165Millerton50166Milo50167Minburn50168Mingo50169Mitchellville50170Monroe50171Montezuma50173Montour50174Murray50201Nevada50206New Providence50207New Sharon50208Newton50210New Virginia50211Norwalk50212Ogden50213Osceola50214Otley50216Panora50217Paton50218Patterson50219Pella50220Perry50222Peru50223Pilot Mound50225Pleasantville50226Polk City50227Popejoy50228Prairie City50229Prole50230Radcliffe

and 738 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 Interstate Power and Light Co.’s electricity rate?

About 18.6¢ per kWh for residential customers (Jan–Aug 2026 average, EIA-861M), including fixed charges spread over usage.

What is the average Interstate Power and Light Co. electric bill?

$128 a month in 2024, for an average of 714 kWh (EIA-861).

Is Interstate Power and Light Co. cheaper than the Iowa average?

No: 18.6¢ versus the Iowa average of 17.1¢ (Aug 2026).