182 electric utilities serve Iowa · EIA Form 861 2025, with monthly prices through August 2026
EIA Form 861 average-bill tables for 2025: total class revenue divided by sales and customers as filed. Prices are average realized rates, blending fixed and variable charges - not any single tariff.
| Utility | Ownership | Customers in state | Sales (GWh) | Residential rate |
|---|
| MidAmerican Energy Co | Investor Owned | 746,438 | 30,811 | 11.21¢ |
| Interstate Power and Light Co | Investor Owned | 506,498 | 13,913 | 17.77¢ |
| Adjustment 2025 | | 239,570 | 5,588 | 13.89¢ |
| Corridor Energy Cooperative | Cooperative | 35,447 | 564 | 14.18¢ |
| City of Ames - (IA) | Municipal | 28,239 | 673 | 12.12¢ |
| Eastern Iowa Light & Power Coop | Cooperative | 23,856 | 618 | 14.81¢ |
| Cedar Falls Utilities | Municipal | 20,245 | 840 | 11.56¢ |
| Maquoketa Valley Rrl Elec Coop | Cooperative | 17,339 | 357 | 13.80¢ |
| Iowa Lakes Electric Coop | Cooperative | 13,257 | 607 | 13.78¢ |
| Midland Power Coop | Cooperative | 12,708 | 555 | 13.66¢ |
| Board of Water Electric & Communications | Municipal | 11,727 | 874 | 12.89¢ |
| North West Rural Electric Coop | Cooperative | 10,459 | 763 | 9.42¢ |
| Allamakee-Clayton El Coop, Inc | Cooperative | 9,946 | 138 | — |
| East-Central Iowa Rural Elec Coop | Cooperative | 9,261 | 225 | 13.13¢ |
| Access Energy Coop | Cooperative | 9,108 | 429 | 14.81¢ |
| Consumers Energy Coop - (IA) | Cooperative | 7,765 | 235 | 14.85¢ |
| MiEnergy Cooperative | Cooperative | 7,310 | 275 | 17.20¢ |
| Indianola Municipal Utilities - (IA) | Municipal | 6,642 | 123 | — |
| T I P Rural Electric Coop | Cooperative | 6,613 | 146 | — |
| Chariton Valley Elec Coop, Inc | Cooperative | 6,344 | 99.2 | — |
| City of Spencer - (IA) | Municipal | 6,337 | 163 | — |
| Southwest Iowa Rural Elec Coop | Cooperative | 6,094 | 100 | — |
| Clarke Electric Coop Inc - (IA) | Cooperative | 5,812 | 116 | — |
| Western Iowa Power Coop | Cooperative | 5,573 | 94.2 | — |
| City of Pella - (IA) | Municipal | 5,383 | 194 | — |
| Heartland Power Coop | Cooperative | 5,322 | 437 | 12.84¢ |
| Waverly Municipal Elec Utility - (IA) | Municipal | 5,232 | 128 | — |
| Farmers Electric Coop, Inc - (IA) | Cooperative | 5,131 | 129 | — |
| Butler County Rural Elec Coop - (IA) | Cooperative | 5,107 | 279 | 14.50¢ |
| Guthrie County Rural E C A | Cooperative | 4,998 | 171 | — |
| Southern Iowa Elec Coop, Inc | Cooperative | 4,818 | 75.8 | — |
| Atlantic Municipal Utilities (IA) | Municipal | 4,682 | 185 | — |
| City of Webster City - (IA) | Municipal | 4,462 | 96.2 | — |
| Prairie Energy Coop | Cooperative | 4,308 | 338 | 14.14¢ |
| City of Mt Pleasant - (IA) | Municipal | 4,141 | 67.0 | — |
| Harrison County Rrl Elec Coop | Cooperative | 3,931 | 139 | — |
| City of Algona - (IA) | Municipal | 3,815 | 176 | — |
| Nishnabotna Valley R E C | Cooperative | 3,765 | 238 | — |
| Woodbury County Rural E C A | Cooperative | 3,468 | 118 | — |
| City of Estherville - (IA) | Municipal | 3,426 | 53.8 | — |
| City of Maquoketa - (IA) | Municipal | 3,406 | 69.5 | 13.56¢ |
| City of Onawa - (IA) | Municipal | 3,347 | 28.4 | — |
| City of Denison - (IA) | Municipal | 3,316 | 147 | — |
| Pella Cooperative Elec Assn | Cooperative | 3,234 | 64.2 | — |
| City of Independence - (IA) | Municipal | 3,214 | 76.7 | 14.45¢ |
| Eldridge City Utilities | Municipal | 3,016 | 39.5 | — |
| City of Sioux Center | Municipal | 2,975 | 130 | — |
| Harlan Municipal Utilities - (IA) | Municipal | 2,883 | 58.5 | — |
| City of Winterset - (IA) | Municipal | 2,847 | 49.6 | — |
| Raccoon Valley Electric Cooperative | Cooperative | 2,788 | 124 | — |
| City of Vinton - (IA) | Municipal | 2,602 | 39.2 | — |
| City of New Hampton - (IA) | Municipal | 2,516 | 63.8 | — |
| City of Orange City - (IA) | Municipal | 2,462 | 88.1 | — |
| City of Osage - (IA) | Municipal | 2,454 | 52.3 | — |
| Lyon Rural Electric Coop | Cooperative | 2,317 | 125 | — |
| Grundy County Rural Elec Coop | Cooperative | 2,265 | 92.5 | — |
| City of Sergeant Bluff - (IA) | Municipal | 2,193 | 32.4 | — |
| City of Forest City- (IA) | Municipal | 2,105 | 48.7 | — |
| City of Story City - (IA) | Municipal | 1,993 | 63.9 | — |
| Franklin Rural Electric Coop - (IA) | Cooperative | 1,982 | 89.0 | — |
| City of Tipton - (IA) | Municipal | 1,817 | 33.7 | — |
| Calhoun County Elec Coop Assn | Cooperative | 1,663 | 36.7 | — |
| City of Milford - (IA) | Municipal | 1,644 | 31.8 | — |
| City of Bellevue - (IA) | Municipal | 1,596 | 24.0 | — |
| City of West Liberty - (IA) | Municipal | 1,596 | 43.7 | — |
| City of Carlisle- (IA) | Municipal | 1,579 | 20.3 | — |
| Grundy Center Mun Light & Power | Municipal | 1,576 | 25.8 | — |
| City of Wilton - (IA) | Municipal | 1,558 | 23.2 | — |
| City of Guttenberg | Municipal | 1,542 | 17.8 | — |
| City of Sibley - (IA) | Municipal | 1,524 | 32.3 | — |
| Rock Rapids Municipal Utility - (IA) | Municipal | 1,490 | 27.7 | — |
| City of Pocahontas - (IA) | Municipal | 1,452 | 36.4 | — |
| City of Bloomfield - (IA) | Municipal | 1,405 | 26.4 | — |
| City of Lake View - (IA) | Municipal | 1,381 | 23.5 | — |
| City of Hawarden - (IA) | Municipal | 1,322 | 26.3 | — |
| Osceola Electric Coop, Inc | Cooperative | 1,276 | 108 | — |
| New London Municipal Utilities - (IA) | Municipal | 1,245 | 14.1 | — |
| City of Lake Mills - (IA) | Municipal | 1,236 | 19.0 | — |
| City of Lamoni - (IA) | Municipal | 1,215 | 23.7 | — |
| La Porte City Utilities | Municipal | 1,213 | 14.8 | — |
| Atchison-Holt Electric Coop | Cooperative | 1,209 | 17.3 | — |
| Cascade Municipal Utilities - (IA) | Municipal | 1,198 | 18.7 | — |
| City of Greenfield - (IA) | Municipal | 1,163 | 46.9 | — |
| City of Ogden - (IA) | Municipal | 1,151 | 13.1 | — |
| City of Sumner - (IA) | Municipal | 1,128 | 15.7 | — |
| City of Corning - (IA) | Municipal | 1,115 | 17.8 | — |
| City of Traer - (IA) | Municipal | 1,099 | 14.0 | — |
| City of State Center - (IA) | Municipal | 1,025 | 16.2 | — |
| City of Alta - (IA) | Municipal | 1,005 | 18.1 | — |
| City of Stuart - (IA) | Municipal | 979 | 15.9 | — |
| City of Hartley - (IA) | Municipal | 967 | 14.2 | — |
| City of Durant - (IA) | Municipal | 959 | 14.7 | — |
| City of Denver - (IA) | Municipal | 947 | 14.2 | — |
| City of Montezuma - (IA) | Municipal | 911 | 20.0 | — |
| Amana Society Service Co | Investor Owned | 889 | 62.4 | 17.02¢ |
| City of Woodbine - (IA) | Municipal | 883 | 14.7 | — |
| City of Remsen - (IA) | Municipal | 877 | 15.0 | — |
| West Point Utility System | Municipal | 860 | 9.6 | — |
| City of Akron - (IA) | Municipal | 836 | 17.2 | — |
| City of Brooklyn - (IA) | Municipal | 823 | 12.5 | — |
| City of Manning - (IA) | Municipal | 823 | 35.4 | — |
| City of Coon Rapids -(IA) | Municipal | 816 | 355 | 9.78¢ |
| City of Laurens - (IA) | Municipal | 810 | 23.5 | — |
| City of Sanborn - (IA) | Municipal | 808 | 27.5 | — |
| City of Mapleton- (IA) | Municipal | 773 | 13.8 | — |
| City of Lenox - (IA) | Municipal | 753 | 16.7 | — |
| City of Panora - (IA) | Municipal | 744 | 13.3 | — |
| City of Villisca - (IA) | Municipal | 719 | 11.0 | — |
| City of Strawberry Point -(IA) | Municipal | 716 | 8.5 | — |
| City of Glidden - (IA) | Municipal | 712 | 8.7 | — |
| City of Dysart - (IA) | Municipal | 711 | 8.1 | — |
| City of Lake Park - (IA) | Municipal | 664 | 11.3 | — |
| City of Paullina - (IA) | Municipal | 657 | 9.4 | — |
| Farmers Electric Coop - (IA) | Cooperative | 650 | 20.9 | — |
| Keosauqua Municipal Light & Pwr | Municipal | 637 | 12.6 | — |
| City of McGregor- (IA) | Municipal | 635 | 6.2 | — |
| Bancroft Municipal Utilities - (IA) | Municipal | 618 | 11.6 | — |
| City of West Bend - (IA) | Municipal | 617 | 20.3 | — |
| City of Anita - (IA) | Municipal | 611 | 8.8 | — |
| Gowrie Municipal Utilities - (IA) | Municipal | 611 | 7.4 | — |
| City of Preston - (IA) | Municipal | 602 | 7.5 | 13.75¢ |
| City of Alton | Municipal | 600 | 11.0 | — |
| City of Fairbank - (IA) | Municipal | 590 | 7.5 | — |
| City of Primghar - (IA) | Municipal | 585 | 9.2 | — |
| City of Aplington | Municipal | 556 | 7.1 | — |
| City of Fredericksburg - (IA) | Municipal | 538 | 13.1 | — |
| United Electric Coop, Inc - (MO) | Cooperative | 530 | 7.5 | — |
| City of Dayton - (IA) | Municipal | 528 | 5.0 | — |
| City of Wall Lake - (IA) | Municipal | 527 | 7.1 | — |
| City of Aurelia - (IA) | Municipal | 524 | 7.3 | — |
| City of Larchwood - (IA) | Municipal | 524 | 8.8 | — |
| City of Graettinger - (IA) | Municipal | 512 | 9.1 | — |
| City of Afton- (IA) | Municipal | 506 | 7.0 | — |
| City of Dike - (IA) | Municipal | 492 | 5.6 | — |
| Town of Manilla - (IA) | Municipal | 488 | 6.5 | — |
| City of Neola - (IA) | Municipal | 486 | 4.6 | — |
| City of Rockford- (IA) | Municipal | 474 | 5.8 | — |
| City of Buffalo - (IA) | Municipal | 470 | 5.4 | — |
| City of Fontanelle - (IA) | Municipal | 460 | 6.9 | — |
| City of Grand Junction - (IA) | Municipal | 448 | 4.8 | — |
| City of Danville - (IA) | Municipal | 430 | 5.1 | — |
| City of Earlville - (IA) | Municipal | 428 | 4.7 | — |
| City of Hinton | Municipal | 420 | 10.1 | — |
| City of Readlyn - (IA) | Municipal | 412 | 5.2 | — |
| City of Stratford - (IA) | Municipal | 404 | 5.1 | — |
| City of Sabula - (IA) | Municipal | 377 | 3.2 | — |
| City of Hopkinton - (IA) | Municipal | 375 | 4.9 | — |
| City of Anthon - (IA) | Municipal | 371 | 6.2 | — |
| City of Fonda - (IA) | Municipal | 366 | 4.4 | — |
| City of Stanton - (IA) | Municipal | 360 | 7.5 | — |
Showing the 150 largest of 182 utilities by in-state customers.
Source: U.S. Energy Information Administration, Forms EIA-861 (2025) and EIA-861M (monthly, preliminary).