Electric companies in Iowa

Every electric utility in Iowa

Largest first, by customers on its lines in Iowa (US EIA-861, 2025). “Live” is whether MassOutage can see its outages.

Electric utilities by county

Each county's utilities, largest in the state first. The county name opens its live outage page.

Adair County

MidAmerican Energy Co, Interstate Power and Light Co, Southwest Iowa Rural Elec Coop, Waverly Municipal Elec Utility, Farmers Electric Coop, Inc - (IA), Guthrie County Rural E C A, City of Greenfield - (IA), City of Stuart - (IA), City of Fontanelle - (IA), City of Orient - (IA), WAPA-- Western Area Power Administration

Adams County

MidAmerican Energy Co, Interstate Power and Light Co, Southwest Iowa Rural Elec Coop, City of Corning - (IA), Alliant Energy (Interstate Power & Light)

Allamakee County

Interstate Power and Light Co, Allamakee-Clayton El Coop, Inc, MiEnergy Cooperative, Alliant Energy (Interstate Power & Light)

Appanoose County

Interstate Power and Light Co, Chariton Valley Elec Coop, Inc, Southern Iowa Elec Coop, Inc, Alliant Energy (Interstate Power & Light)

Audubon County

MidAmerican Energy Co, Western Iowa Power Coop, Farmers Electric Coop, Inc - (IA), Guthrie County Rural E C A, Atlantic Municipal Utilities (IA), Nishnabotna Valley R E C, Raccoon Valley Electric Cooperative, City of Kimballton - (IA), WAPA-- Western Area Power Administration

Benton County

Interstate Power and Light Co, Corridor Energy Cooperative, East-Central Iowa Rural Elec Coop, T I P Rural Electric Coop, City of Vinton - (IA), City of Traer - (IA), Alliant Energy (Interstate Power & Light)

Black Hawk County

MidAmerican Energy Co, Interstate Power and Light Co, Cedar Falls Utilities, East-Central Iowa Rural Elec Coop, Grundy County Rural Elec Coop, La Porte City Utilities

Boone County

Interstate Power and Light Co, Midland Power Coop, City of Story City - (IA), City of Ogden - (IA), Alliant Energy (Interstate Power & Light)

Bremer County

MidAmerican Energy Co, Interstate Power and Light Co, Allamakee-Clayton El Coop, Inc, East-Central Iowa Rural Elec Coop, Waverly Municipal Elec Utility, Butler County Rural Elec Coop - (IA), City of Sumner - (IA), City of Denver - (IA), City of Readlyn - (IA), Alliant Energy (Interstate Power & Light)

Buchanan County

MidAmerican Energy Co, Interstate Power and Light Co, Maquoketa Valley Rrl Elec Coop, East-Central Iowa Rural Elec Coop, City of Independence - (IA), City of Fairbank - (IA), Alliant Energy (Interstate Power & Light)

Buena Vista County

MidAmerican Energy Co, Interstate Power and Light Co, Iowa Lakes Electric Coop, Raccoon Valley Electric Cooperative, City of Alta - (IA), City of Marathon - (IA)

Butler County

MidAmerican Energy Co, Interstate Power and Light Co, Cedar Falls Utilities, Butler County Rural Elec Coop - (IA), Grundy County Rural Elec Coop, Franklin Rural Electric Coop - (IA), City of Aplington, Alliant Energy (Interstate Power & Light)

Calhoun County

MidAmerican Energy Co, Midland Power Coop, Raccoon Valley Electric Cooperative, Calhoun County Elec Coop Assn, City of Farnhamville - (IA)

Carroll County

MidAmerican Energy Co, Interstate Power and Light Co, Western Iowa Power Coop, Raccoon Valley Electric Cooperative, City of Manning - (IA), City of Coon Rapids -(IA), City of Glidden - (IA), City of Breda - (IA), Alliant Energy (Interstate Power & Light)

Cass County

MidAmerican Energy Co, Interstate Power and Light Co, Southwest Iowa Rural Elec Coop, Waverly Municipal Elec Utility, Farmers Electric Coop, Inc - (IA), Guthrie County Rural E C A, Atlantic Municipal Utilities (IA), Nishnabotna Valley R E C, City of Anita - (IA), Alliant Energy (Interstate Power & Light), WAPA-- Western Area Power Administration

Cedar County

Interstate Power and Light Co, Corridor Energy Cooperative, Eastern Iowa Light & Power Coop, Maquoketa Valley Rrl Elec Coop, City of Tipton - (IA), City of Wilton - (IA), City of Durant - (IA), Alliant Energy (Interstate Power & Light)

Cerro Gordo County

MidAmerican Energy Co, Interstate Power and Light Co, Heartland Power Coop, Butler County Rural Elec Coop - (IA), Prairie Energy Coop, Franklin Rural Electric Coop - (IA), Alliant Energy (Interstate Power & Light)

Cherokee County

MidAmerican Energy Co, Interstate Power and Light Co, Iowa Lakes Electric Coop, North West Rural Electric Coop, Woodbury County Rural E C A, City of Aurelia - (IA), WAPA-- Western Area Power Administration

Chickasaw County

MidAmerican Energy Co, Interstate Power and Light Co, Allamakee-Clayton El Coop, Inc, MiEnergy Cooperative, Heartland Power Coop, Butler County Rural Elec Coop - (IA), City of New Hampton - (IA), City of Fredericksburg - (IA), City of Lawler - (IA), City of Alta Vista- (IA)

Clarke County

Interstate Power and Light Co, Clarke Electric Coop Inc - (IA), Alliant Energy (Interstate Power & Light)

Clay County

Interstate Power and Light Co, Iowa Lakes Electric Coop, North West Rural Electric Coop, City of Spencer - (IA), Alliant Energy (Interstate Power & Light), WAPA-- Western Area Power Administration

Clayton County

Interstate Power and Light Co, Maquoketa Valley Rrl Elec Coop, Allamakee-Clayton El Coop, Inc, East-Central Iowa Rural Elec Coop, City of Guttenberg, City of Strawberry Point -(IA), City of McGregor- (IA), Alliant Energy (Interstate Power & Light)

Clinton County

MidAmerican Energy Co, Interstate Power and Light Co, Eastern Iowa Light & Power Coop, Maquoketa Valley Rrl Elec Coop, City of Maquoketa - (IA), Alliant Energy (Interstate Power & Light)

Crawford County

MidAmerican Energy Co, North West Rural Electric Coop, Western Iowa Power Coop, Harrison County Rrl Elec Coop, Nishnabotna Valley R E C, City of Denison - (IA), Raccoon Valley Electric Cooperative, Town of Manilla - (IA), WAPA-- Western Area Power Administration

Dallas County

MidAmerican Energy Co, Interstate Power and Light Co, Midland Power Coop, Waverly Municipal Elec Utility, Guthrie County Rural E C A, Alliant Energy (Interstate Power & Light)

Davis County

Interstate Power and Light Co, Access Energy Coop, Chariton Valley Elec Coop, Inc, Southern Iowa Elec Coop, Inc, City of Bloomfield - (IA)

Decatur County

Interstate Power and Light Co, Southwest Iowa Rural Elec Coop, Clarke Electric Coop Inc - (IA), City of Lamoni - (IA), Grundy Electric Coop, Inc, Alliant Energy (Interstate Power & Light)

Delaware County

Interstate Power and Light Co, Maquoketa Valley Rrl Elec Coop, Allamakee-Clayton El Coop, Inc, East-Central Iowa Rural Elec Coop, City of Earlville - (IA), City of Hopkinton - (IA), Alliant Energy (Interstate Power & Light)

Des Moines County

Interstate Power and Light Co, Eastern Iowa Light & Power Coop, Access Energy Coop, New London Municipal Utilities - (IA), City of Danville - (IA), Alliant Energy (Interstate Power & Light)

Dickinson County

Interstate Power and Light Co, Iowa Lakes Electric Coop, City of Milford - (IA), Osceola Electric Coop, Inc, City of Lake Park - (IA), Federated Rural Electric Assn, Alliant Energy (Interstate Power & Light)

Dubuque County

Interstate Power and Light Co, Maquoketa Valley Rrl Elec Coop, Allamakee-Clayton El Coop, Inc, Cascade Municipal Utilities - (IA), Alliant Energy (Interstate Power & Light)

Emmet County

Interstate Power and Light Co, Iowa Lakes Electric Coop, City of Estherville - (IA), Federated Rural Electric Assn

Fayette County

Interstate Power and Light Co, Allamakee-Clayton El Coop, Inc, East-Central Iowa Rural Elec Coop, MiEnergy Cooperative, Butler County Rural Elec Coop - (IA), City of Fairbank - (IA)

Floyd County

MidAmerican Energy Co, Interstate Power and Light Co, Heartland Power Coop, Butler County Rural Elec Coop - (IA), Franklin Rural Electric Coop - (IA), City of Rockford- (IA), Alliant Energy (Interstate Power & Light)

Franklin County

MidAmerican Energy Co, Interstate Power and Light Co, Midland Power Coop, Butler County Rural Elec Coop - (IA), Prairie Energy Coop, Franklin Rural Electric Coop - (IA), Alliant Energy (Interstate Power & Light)

Fremont County

MidAmerican Energy Co, Southwest Iowa Rural Elec Coop, Atchison-Holt Electric Coop

Greene County

Interstate Power and Light Co, Midland Power Coop, Guthrie County Rural E C A, Raccoon Valley Electric Cooperative, Calhoun County Elec Coop Assn, City of Grand Junction - (IA), City of Paton - (IA)

Grundy County

Interstate Power and Light Co, Cedar Falls Utilities, Midland Power Coop, Grundy County Rural Elec Coop, Grundy Center Mun Light & Power, City of Dike - (IA), Alliant Energy (Interstate Power & Light)

Guthrie County

Interstate Power and Light Co, Midland Power Coop, Farmers Electric Coop, Inc - (IA), Guthrie County Rural E C A, Raccoon Valley Electric Cooperative, City of Stuart - (IA), City of Coon Rapids -(IA), City of Panora - (IA), Alliant Energy (Interstate Power & Light)

Hamilton County

MidAmerican Energy Co, Interstate Power and Light Co, Midland Power Coop, City of Webster City - (IA), Prairie Energy Coop, City of Story City - (IA), City of Stratford - (IA), City of Ellsworth - (IA), City of Stanhope - (IA), Pleasant Hill Community Line, Cass Electric Coop, Alliant Energy (Interstate Power & Light)

Hancock County

Interstate Power and Light Co, Heartland Power Coop, Prairie Energy Coop, City of Forest City- (IA), City of Corwith - (IA), Boone Valley Electric Coop

Hardin County

MidAmerican Energy Co, Interstate Power and Light Co, Midland Power Coop, Prairie Energy Coop, Grundy County Rural Elec Coop, Franklin Rural Electric Coop - (IA), Alliant Energy (Interstate Power & Light)

Harrison County

MidAmerican Energy Co, Western Iowa Power Coop, Harrison County Rrl Elec Coop, Nishnabotna Valley R E C, City of Woodbine - (IA), Burt County Public Power Dist

Henry County

Interstate Power and Light Co, Eastern Iowa Light & Power Coop, Access Energy Coop, City of Mt Pleasant - (IA), New London Municipal Utilities - (IA), City of Danville - (IA)

Howard County

Interstate Power and Light Co, MiEnergy Cooperative, Heartland Power Coop

Humboldt County

MidAmerican Energy Co, Midland Power Coop, Prairie Energy Coop, City of West Bend - (IA), City of Renwick - (IA), City of Livermore- (IA), Boone Valley Electric Coop

Ida County

MidAmerican Energy Co, Iowa Lakes Electric Coop, North West Rural Electric Coop, Western Iowa Power Coop, Woodbury County Rural E C A, Raccoon Valley Electric Cooperative

Iowa County

Interstate Power and Light Co, Corridor Energy Cooperative, East-Central Iowa Rural Elec Coop, T I P Rural Electric Coop, Amana Society Service Co, Farmers Electric Coop - (IA), Alliant Energy (Interstate Power & Light)

Jackson County

Interstate Power and Light Co, Eastern Iowa Light & Power Coop, Maquoketa Valley Rrl Elec Coop, City of Maquoketa - (IA), City of Bellevue - (IA), City of Preston - (IA), City of Sabula - (IA)

Jasper County

MidAmerican Energy Co, Interstate Power and Light Co, Consumers Energy Coop - (IA), Pella Cooperative Elec Assn, Alliant Energy (Interstate Power & Light)

Jefferson County

Interstate Power and Light Co, Access Energy Coop, T I P Rural Electric Coop, Alliant Energy (Interstate Power & Light)

Johnson County

MidAmerican Energy Co, Interstate Power and Light Co, Corridor Energy Cooperative, Eastern Iowa Light & Power Coop, East-Central Iowa Rural Elec Coop, T I P Rural Electric Coop, Farmers Electric Coop - (IA), Alliant Energy (Interstate Power & Light)

Jones County

Interstate Power and Light Co, Corridor Energy Cooperative, Eastern Iowa Light & Power Coop, Maquoketa Valley Rrl Elec Coop, Cascade Municipal Utilities - (IA), Alliant Energy (Interstate Power & Light)

Keokuk County

MidAmerican Energy Co, Interstate Power and Light Co, Access Energy Coop, T I P Rural Electric Coop

Kossuth County

MidAmerican Energy Co, Interstate Power and Light Co, Iowa Lakes Electric Coop, Midland Power Coop, Heartland Power Coop, Prairie Energy Coop, City of Algona - (IA), Bancroft Municipal Utilities - (IA), City of West Bend - (IA), City of Whittemore - (IA), City of Burt, Federated Rural Electric Assn, Alliant Energy (Interstate Power & Light)

Lee County

Interstate Power and Light Co, Access Energy Coop, West Point Utility System, Alliant Energy (Interstate Power & Light)

Linn County

Interstate Power and Light Co, Corridor Energy Cooperative, Eastern Iowa Light & Power Coop, Maquoketa Valley Rrl Elec Coop, East-Central Iowa Rural Elec Coop, City of Coggon - (IA), Alliant Energy (Interstate Power & Light)

Louisa County

Interstate Power and Light Co, Eastern Iowa Light & Power Coop, Access Energy Coop, Waverly Municipal Elec Utility

Lucas County

Interstate Power and Light Co, Chariton Valley Elec Coop, Inc, Clarke Electric Coop Inc - (IA), Alliant Energy (Interstate Power & Light)

Lyon County

MidAmerican Energy Co, Interstate Power and Light Co, North West Rural Electric Coop, Lyon Rural Electric Coop, Rock Rapids Municipal Utility - (IA), Osceola Electric Coop, Inc, City of Larchwood - (IA), Nobles Cooperative Electric, WAPA-- Western Area Power Administration

Madison County

MidAmerican Energy Co, Interstate Power and Light Co, Clarke Electric Coop Inc - (IA), Waverly Municipal Elec Utility, Farmers Electric Coop, Inc - (IA), City of Winterset - (IA)

Mahaska County

MidAmerican Energy Co, Interstate Power and Light Co, T I P Rural Electric Coop, City of Pella - (IA), Pella Cooperative Elec Assn

Marion County

MidAmerican Energy Co, Interstate Power and Light Co, Chariton Valley Elec Coop, Inc, Clarke Electric Coop Inc - (IA), City of Pella - (IA), Pella Cooperative Elec Assn

Marshall County

Interstate Power and Light Co, Midland Power Coop, Consumers Energy Coop - (IA), Grundy County Rural Elec Coop, City of State Center - (IA), Alliant Energy (Interstate Power & Light)

Mills County

MidAmerican Energy Co, Southwest Iowa Rural Elec Coop

Mitchell County

Interstate Power and Light Co, MiEnergy Cooperative, Heartland Power Coop, City of Osage - (IA), Alliant Energy (Interstate Power & Light)

Monona County

MidAmerican Energy Co, Western Iowa Power Coop, Harrison County Rrl Elec Coop, Woodbury County Rural E C A, City of Onawa - (IA), City of Mapleton- (IA), WAPA-- Western Area Power Administration

Monroe County

MidAmerican Energy Co, Interstate Power and Light Co, Chariton Valley Elec Coop, Inc, Alliant Energy (Interstate Power & Light)

Montgomery County

MidAmerican Energy Co, Interstate Power and Light Co, Southwest Iowa Rural Elec Coop, City of Villisca - (IA), City of Stanton - (IA)

Muscatine County

MidAmerican Energy Co, Interstate Power and Light Co, Eastern Iowa Light & Power Coop, Board of Water Electric & Communications, Waverly Municipal Elec Utility, City of West Liberty - (IA), City of Wilton - (IA), City of Durant - (IA), Alliant Energy (Interstate Power & Light)

O'Brien County

MidAmerican Energy Co, Interstate Power and Light Co, Iowa Lakes Electric Coop, North West Rural Electric Coop, Osceola Electric Coop, Inc, City of Hartley - (IA), City of Sanborn - (IA), City of Paullina - (IA), City of Primghar - (IA), WAPA-- Western Area Power Administration

Osceola County

Interstate Power and Light Co, Iowa Lakes Electric Coop, North West Rural Electric Coop, Lyon Rural Electric Coop, City of Sibley - (IA), Osceola Electric Coop, Inc, Federated Rural Electric Assn, Nobles Cooperative Electric

Page County

MidAmerican Energy Co, Southwest Iowa Rural Elec Coop, Atchison-Holt Electric Coop, United Electric Coop, Inc - (MO)

Palo Alto County

MidAmerican Energy Co, Interstate Power and Light Co, Iowa Lakes Electric Coop, City of West Bend - (IA), City of Graettinger - (IA)

Plymouth County

MidAmerican Energy Co, Iowa Lakes Electric Coop, North West Rural Electric Coop, Woodbury County Rural E C A, City of Remsen - (IA), City of Akron - (IA), City of Hinton, Town of Westfield - (IA), WAPA-- Western Area Power Administration

Pocahontas County

MidAmerican Energy Co, Interstate Power and Light Co, Iowa Lakes Electric Coop, Midland Power Coop, Calhoun County Elec Coop Assn, City of Pocahontas - (IA), City of Laurens - (IA), City of Fonda - (IA)

Polk County

MidAmerican Energy Co, Interstate Power and Light Co, Midland Power Coop, Consumers Energy Coop - (IA), Waverly Municipal Elec Utility

Pottawattamie County

MidAmerican Energy Co, Waverly Municipal Elec Utility, Atlantic Municipal Utilities (IA), Harrison County Rrl Elec Coop, Nishnabotna Valley R E C, City of Neola - (IA), City of Shelby - (IA), WAPA-- Western Area Power Administration, Omaha Public Power District

Poweshiek County

MidAmerican Energy Co, Interstate Power and Light Co, T I P Rural Electric Coop, Pella Cooperative Elec Assn, City of Montezuma - (IA), City of Brooklyn - (IA), Alliant Energy (Interstate Power & Light)

Ringgold County

Interstate Power and Light Co, Southwest Iowa Rural Elec Coop, Clarke Electric Coop Inc - (IA), United Electric Coop, Inc - (MO), Grundy Electric Coop, Inc, Alliant Energy (Interstate Power & Light), WAPA-- Western Area Power Administration

Sac County

MidAmerican Energy Co, Iowa Lakes Electric Coop, North West Rural Electric Coop, Western Iowa Power Coop, Raccoon Valley Electric Cooperative, Calhoun County Elec Coop Assn, City of Lake View - (IA), City of Wall Lake - (IA), City of Auburn - (IA)

Scott County

MidAmerican Energy Co, Interstate Power and Light Co, Eastern Iowa Light & Power Coop, Eldridge City Utilities, City of Durant - (IA), City of Buffalo - (IA), City of Long Grove - (IA), Alliant Energy (Interstate Power & Light)

Shelby County

MidAmerican Energy Co, Western Iowa Power Coop, Atlantic Municipal Utilities (IA), Harrison County Rrl Elec Coop, Nishnabotna Valley R E C, Harlan Municipal Utilities - (IA), City of Shelby - (IA), WAPA-- Western Area Power Administration

Sioux County

MidAmerican Energy Co, Interstate Power and Light Co, North West Rural Electric Coop, City of Sioux Center, City of Orange City - (IA), Lyon Rural Electric Coop, City of Hawarden - (IA), City of Alton, WAPA-- Western Area Power Administration

Story County

Interstate Power and Light Co, City of Ames - (IA), Midland Power Coop, Consumers Energy Coop - (IA), City of Story City - (IA), City of State Center - (IA), Alliant Energy (Interstate Power & Light)

Tama County

Interstate Power and Light Co, East-Central Iowa Rural Elec Coop, Consumers Energy Coop - (IA), T I P Rural Electric Coop, Grundy County Rural Elec Coop, City of Traer - (IA), City of Dysart - (IA), Alliant Energy (Interstate Power & Light)

Taylor County

MidAmerican Energy Co, Interstate Power and Light Co, Southwest Iowa Rural Elec Coop, City of Lenox - (IA), United Electric Coop, Inc - (MO), Alliant Energy (Interstate Power & Light), WAPA-- Western Area Power Administration

Union County

Interstate Power and Light Co, Southwest Iowa Rural Elec Coop, Clarke Electric Coop Inc - (IA), Farmers Electric Coop, Inc - (IA), City of Afton- (IA), Alliant Energy (Interstate Power & Light), WAPA-- Western Area Power Administration

Van Buren County

Interstate Power and Light Co, Access Energy Coop, Southern Iowa Elec Coop, Inc, Keosauqua Municipal Light & Pwr, Alliant Energy (Interstate Power & Light)

Wapello County

MidAmerican Energy Co, Interstate Power and Light Co, Access Energy Coop, T I P Rural Electric Coop, Chariton Valley Elec Coop, Inc, Southern Iowa Elec Coop, Inc, Alliant Energy (Interstate Power & Light)

Warren County

MidAmerican Energy Co, Interstate Power and Light Co, Indianola Municipal Utilities, Clarke Electric Coop Inc - (IA), Pella Cooperative Elec Assn, City of Carlisle- (IA), Alliant Energy (Interstate Power & Light)

Washington County

MidAmerican Energy Co, Interstate Power and Light Co, Eastern Iowa Light & Power Coop, Access Energy Coop, T I P Rural Electric Coop, Waverly Municipal Elec Utility, Farmers Electric Coop - (IA), Alliant Energy (Interstate Power & Light)

Wayne County

Interstate Power and Light Co, Chariton Valley Elec Coop, Inc, Clarke Electric Coop Inc - (IA), Grundy Electric Coop, Inc, Alliant Energy (Interstate Power & Light)

Webster County

MidAmerican Energy Co, Interstate Power and Light Co, Midland Power Coop, Prairie Energy Coop, Calhoun County Elec Coop Assn, Gowrie Municipal Utilities - (IA), City of Dayton - (IA), City of Stratford - (IA), City of Lehigh - (IA), City of Callender - (IA), Alliant Energy (Interstate Power & Light)

Winnebago County

Interstate Power and Light Co, Heartland Power Coop, Prairie Energy Coop, City of Forest City- (IA), City of Lake Mills - (IA)

Winneshiek County

Interstate Power and Light Co, Allamakee-Clayton El Coop, Inc, MiEnergy Cooperative, Alliant Energy (Interstate Power & Light)

Woodbury County

MidAmerican Energy Co, North West Rural Electric Coop, Western Iowa Power Coop, Woodbury County Rural E C A, City of Sergeant Bluff - (IA), City of Anthon - (IA), WAPA-- Western Area Power Administration

Worth County

Interstate Power and Light Co, Heartland Power Coop, Prairie Energy Coop, Grafton Electric - (IA), Freeborn Mower Electric Cooperative, Alliant Energy (Interstate Power & Light)

Wright County

MidAmerican Energy Co, Interstate Power and Light Co, Midland Power Coop, Prairie Energy Coop, Franklin Rural Electric Coop - (IA), City of Woolstock - (IA), Boone Valley Electric Coop, Cass Electric Coop

Electric companies in Iowa: FAQ

How many electric companies serve Iowa?

184 electric utilities serve Iowa, according to US EIA-861 service-territory filings and live outage feeds.

What is the largest electric company in Iowa?

MidAmerican Energy Co, with about 746,438 customers in Iowa (US EIA-861, 2025).

Which electric company serves my address in Iowa?

Your electric bill names it. Service territory is filed by county, so MassOutage lists the utilities serving each Iowa county; usually only one of them serves a given address, and a utility can tell you whether it serves yours.

Who do I call to report a power outage in Iowa?

Your electric utility. MassOutage has an outage phone line, report page or outage map on file for 0 of the 184 utilities serving Iowa, listed above; for the others, check your bill or the utility's website. For a downed power line, stay at least 35 feet away and call 911.