State
Iowa
Who serves its customers, 2025
| Kind of utility | Customers | Share of customers |
|---|---|---|
| Investor owned | 1,253,825 | 72.8% |
| Cooperative | 161,312 | 9.4% |
| Public (municipal, state, federal, and districts) | 68,249 | 4.0% |
| Other | 239,578 | 13.9% |
Customers of full-service and energy-only providers, as EIA counts them; delivery-only customers are the same people, so they are not counted twice.
U.S. Energy Information Administration · Annual Electric Power Industry Report (Form EIA-861) · data for 2025 · as of Oct 7, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by Oct 7, 2027. Last checked for an update: Oct 31, 2026.
Average price by sector, 2025
| Sector | Average price (cents per kWh) |
|---|---|
| Residential | 13.62 |
| Commercial | 10.84 |
| Industrial | 7.15 |
Revenue from every kind of service over sales counted once, as EIA computes its state averages.
Capacity and generation by fuel
| Fuel | Capacity | Net generation in 2025 |
|---|---|---|
| Wind | 13,411.1 MW | 43,572,980 MWh |
| Subbituminous coal | 5,227.7 MW | 18,921,855 MWh |
| Natural gas | 4,349.7 MW | 9,123,952 MWh |
| Distillate fuel oil | 847.5 MW | 65,244 MWh |
| Solar | 700.6 MW | 1,285,669 MWh |
| Hydro | 184.4 MW | 1,149,742 MWh |
| Petroleum coke | 34.4 MW | 3,738 MWh |
| KER | 23.8 MW | 86 MWh |
| Landfill gas | 15.2 MW | 114,656 MWh |
| Batteries | 10.7 MW | -592 MWh |
| Other biogas | 8.2 MW | 4,085 MWh |
| Other | 4 MW | 0 MWh |
| RC | 0 MWh | |
| OBS | 83,478 MWh | |
| AB | 0 MWh | |
| Bituminous coal | 179,839 MWh | |
| Wood | 0 MWh | |
| TDF | 0 MWh | |
| SLW | 0 MWh |
Balancing authorities serving it: AECI, MISO, SWPP.
U.S. Energy Information Administration · Annual Electric Generator Report (Form EIA-860) · data for 2025 · as of Sep 10, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by Sep 10, 2027. Last checked for an update: Oct 31, 2026.
U.S. Energy Information Administration · Power Plant Operations Report (Form EIA-923) · data for 2025 · as of Sep 11, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by Sep 11, 2027. Last checked for an update: Oct 31, 2026.
Interconnection queue, as of the end of 2025
| Type | Active capacity (MW) | Projects |
|---|---|---|
| Solar | 4,940 | 35 |
| Wind | 7,291 | 36 |
| Storage | 3,290 | 22 |
| Gas | 6,129 | 16 |
| Hybrid | 1,015 | 7 |
| Other | 1,272 | 7 |
Requests still active in an interconnection queue at the end of 2025. Most never get built. Credit: Lawrence Berkeley National Laboratory and GridTracker.
Lawrence Berkeley National Laboratory and GridTracker · Queued Up: Interconnection Queue Data File (Lawrence Berkeley National Laboratory) · data for 2025 · as of May 7, 2026 · retrieved Oct 31, 2026 · CC-BY-4.0 May be out of date. The next release was due by May 7, 2027. Last checked for an update: Oct 31, 2026.
Utilities
| Utility | Ownership, as EIA reports it | Customers | Sales (MWh) |
|---|---|---|---|
| MidAmerican Energy Co | Investor Owned | 746,438 | 30,810,704 |
| Interstate Power and Light Co | Investor Owned | 506,498 | 13,913,310 |
| Adjustment 2025 | 239,570 | 5,587,665 | |
| Corridor Energy Cooperative | Cooperative | 35,447 | 563,759 |
| City of Ames - (IA) | Municipal | 28,239 | 672,597 |
| Eastern Iowa Light & Power Coop | Cooperative | 23,856 | 618,224 |
| Cedar Falls Utilities | Municipal | 20,245 | 840,252 |
| Maquoketa Valley Rrl Elec Coop | Cooperative | 17,339 | 356,992 |
| Iowa Lakes Electric Coop | Cooperative | 13,257 | 607,253 |
| Midland Power Coop | Cooperative | 12,708 | 554,743 |
| Board of Water Electric & Communications | Municipal | 11,727 | 873,678 |
| North West Rural Electric Coop | Cooperative | 10,459 | 763,301 |
| East-Central Iowa Rural Elec Coop | Cooperative | 9,261 | 225,351 |
| Access Energy Coop | Cooperative | 9,108 | 428,668 |
| Consumers Energy Coop - (IA) | Cooperative | 7,765 | 235,462 |
| MiEnergy Cooperative | Cooperative | 7,310 | 274,773 |
| Heartland Power Coop | Cooperative | 5,322 | 436,942 |
| Butler County Rural Elec Coop - (IA) | Cooperative | 5,107 | 279,257 |
| Prairie Energy Coop | Cooperative | 4,308 | 337,573 |
| City of Maquoketa - (IA) | Municipal | 3,406 | 69,467 |
| City of Independence - (IA) | Municipal | 3,214 | 76,658 |
| Amana Society Service Co | Investor Owned | 889 | 62,435 |
| City of Coon Rapids -(IA) | Municipal | 816 | 354,891 |
| City of Preston - (IA) | Municipal | 602 | 7,476 |
| Federated Rural Electric Assn | Cooperative | 59 | 1,138 |
| Palmetto Solar, LLC | Behind the Meter | 8 | 0 |
| Freeborn Mower Electric Cooperative | Cooperative | 6 | 123 |
A utility with too few reported figures for its own page is listed here with what it reported.
Power plants (314)
| Plant | County | Nameplate capacity | Operator |
|---|---|---|---|
| Walter Scott Jr Energy Center | Pottawattamie | 1,648.3 MW | MidAmerican Energy Co |
| Louisa | Louisa | 811.9 MW | MidAmerican Energy Co |
| Ottumwa | Wapello | 725.9 MW | Interstate Power and Light Co |
| Marshalltown Generating Station | Marshall | 708.8 MW | Interstate Power and Light Co |
| George Neal South | Woodbury | 695.9 MW | MidAmerican Energy Co |
| Emery Station | Cerro Gordo | 602.8 MW | Interstate Power and Light Co |
| George Neal North | Woodbury | 584.1 MW | MidAmerican Energy Co |
| Greater Des Moines | Polk | 576.3 MW | MidAmerican Energy Co |
| Highland Wind Project (IA) | O'Brien | 502 MW | MidAmerican Energy Co |
| Orient Wind Farm | Adair | 500.8 MW | MidAmerican Energy Co |
| Rolling Hills Wind Farm | Cass | 484.2 MW | MidAmerican Energy Co |
| Beaver Creek Wind | Boone | 340 MW | MidAmerican Energy Co |
| North English | Poweshiek | 340 MW | MidAmerican Energy Co |
| Palo Alto Wind Farm | Palo Alto | 340 MW | MidAmerican Energy Co |
| Arbor Hill Wind Farm | Adair | 310 MW | MidAmerican Energy Co |
| Ida Grove Wind | Ida | 301.1 MW | MidAmerican Energy Co |
| Pioneer Prairie Wind Farm | Mitchell | 300 MW | Pioneer Prairie Wind Farm I, LLC |
| Upland Prairie | Clay | 299.3 MW | Interstate Power and Light Co |
| Archer Daniels Midland Cedar Rapids | Linn | 294.6 MW | Archer Daniels Midland Co |
| Burlington (IA) | Des Moines | 290.8 MW | Interstate Power and Light Co |
| Pomeroy Wind Farm | Pocahontas | 286.4 MW | MidAmerican Energy Co |
| Muscatine Plant #1 | Muscatine | 275.5 MW | Board of Water Electric & Communications |
| Lundgren Wind Project | Webster | 270.9 MW | MidAmerican Energy Co |
| Electrifarm | Black Hawk | 264.1 MW | MidAmerican Energy Co |
| Southern Hills Wind Farm | Union | 254.1 MW | MidAmerican Energy Co |
| Diamond Trail Wind Farm | Iowa | 252.5 MW | MidAmerican Energy Co |
| O'Brien Wind | O'Brien | 250.3 MW | MidAmerican Energy Co |
| Great Pathfinder Wind | Hamilton | 224.4 MW | Great Pathfinder Wind |
| Shenandoah Hills Wind Farm | Page | 214.3 MW | MidAmerican Energy Co |
| Glaciers Edge Wind Project | Cherokee | 211.7 MW | EDF Renewable Asset Holdings, Inc. |
| Eclipse Wind Farm | Guthrie | 207.1 MW | MidAmerican Energy Co |
| Ledyard Windpower, LLC | Kossuth | 207 MW | Deriva Energy |
| Plymouth Wind | Plymouth | 202.7 MW | MidAmerican Energy Co |
| Chickasaw Wind Farm | Chickasaw | 202.4 MW | MidAmerican Energy Co |
| Whispering Willow North | Franklin | 201.3 MW | Interstate Power and Light Co |
| Century | Hamilton | 201.2 MW | MidAmerican Energy Co |
| Ida Grove II | Ida | 201 MW | MidAmerican Energy Co |
| FPL Energy Crystal Lake Wind II LLC | Hancock | 200 MW | FPL Energy Crystal Lake Wind II LLC |
| Heartland Divide II | Audubon | 200 MW | Heartland Divide II |
| Golden Plains | Winnebago | 199.8 MW | Interstate Power and Light Co |
| Whispering Willow Wind Farm - East | Franklin | 199.7 MW | Interstate Power and Light Co |
| Turtle Creek Wind Farm LLC | Mitchell | 199.2 MW | Turtle Creek Wind Farm LLC |
| Prairie Creek | Linn | 198.8 MW | Interstate Power and Light Co |
| Marshalltown | Marshall | 189 MW | Interstate Power and Light Co |
| Exira | Audubon | 181.5 MW | Western Minnesota Mun Pwr Agny |
| Archer Daniels Midland Clinton | Clinton | 180 MW | Archer Daniels Midland Co |
| Pleasant Hill | Polk | 179.8 MW | MidAmerican Energy Co |
| Intrepid | Buena Vista | 175.5 MW | MidAmerican Energy Co |
| Adair Wind Farm | Adair | 174.8 MW | MidAmerican Energy Co |
| English Farms | Poweshiek | 171.5 MW | Interstate Power and Light Co |
| Salt Creek Wind | Tama | 169.4 MW | Salt Creek Wind, LLC |
| Prairie Wind Farm | Mahaska | 168 MW | MidAmerican Energy Co |
| Walnut Wind Farm | Pottawattamie | 165.2 MW | MidAmerican Energy Co |
| Carroll Wind Farm | Carroll | 159.1 MW | MidAmerican Energy Co |
| Barton Windpower LLC | Worth | 158 MW | Avangrid Power LLC |
| Sycamore (IA) | Polk | 157.6 MW | MidAmerican Energy Co |
| Adams Wind | Adams | 154.3 MW | MidAmerican Energy Co |
| Kossuth | Kossuth | 152.2 MW | Wisconsin Power & Light Co |
| Vienna Wind Farm | Marshall | 150.2 MW | MidAmerican Energy Co |
| FPL Energy Crystal Lake Wind LLC | Hancock | 150 MW | FPL Energy Crystal Lake Wind LLC |
| FPL Energy Story Wind LLC | Story | 150 MW | FPL Energy Story Wind LLC |
| Garden Wind LLC | Hardin | 150 MW | Garden Wind LLC |
| Pleasant Creek Unit 2 | Linn | 150 MW | Interstate Power and Light Co |
| Wever Solar (150MW) | Lee | 150 MW | Interstate Power and Light Co |
| Wellsburg Wind Project | Grundy | 140.8 MW | MidAmerican Energy Co |
| Richland (IA) | Sac | 130.9 MW | Interstate Power and Light Co |
| River Hills | Polk | 128 MW | MidAmerican Energy Co |
| Keokuk | Lee | 124.8 MW | Union Electric Co - (MO) |
| Laurel Wind Farm | Marshall | 123.4 MW | MidAmerican Energy Co |
| Macksburg Wind Project | Madison | 119.6 MW | MidAmerican Energy Co |
| Earl F Wisdom | Clay | 119.1 MW | Corn Belt Power Coop |
| Summit Lake | Union | 118.7 MW | Central Iowa Power Cooperative |
| Storm Lake 1 | Buena Vista | 113.9 MW | ALLETE Clean Energy |
| Contrail Wind Farm | Taylor | 112.4 MW | MidAmerican Energy Co |
| Morning Light Wind Farm | Adair | 110.9 MW | MidAmerican Energy Co |
| Ames Electric Services Power Plant | Story | 108.8 MW | City of Ames - (IA) |
| Victory Wind Farm | Carroll | 105 MW | MidAmerican Energy Co |
| Heartland Divide Wind Project, LLC | Audubon | 103.5 MW | Heartland Divide Wind Project, LLC |
| Holliday Creek Solar | Webster | 100 MW | MidAmerican Energy Co |
| Lost Lakes Wind Farm LLC | Dickinson | 100 MW | Lost Lakes Wind Farm LLC |
| New Harvest Wind Project LLC | Crawford | 100 MW | Avangrid Power LLC |
| Wapello Solar LLC | Louisa | 100 MW | Wapello Solar LLC |
| Crane Creek Wind Energy Center | Howard | 99 MW | Wisconsin Public Service Corp |
| Franklin County Wind Farm | Franklin | 99 MW | Interstate Power and Light Co |
| Osceola Windpower LLC | Osceola | 98.2 MW | Osceola Windpower LLC |
| Hancock County Wind Energy Center | Hancock | 98 MW | FPL Energy Hancock County Wind, LLC |
| Ivester Wind Farm | Grundy | 90.8 MW | MidAmerican Energy Co |
| Lime Creek | Cerro Gordo | 90.2 MW | Interstate Power and Light Co |
| Roquette America | Lee | 84.4 MW | Roquette America |
| Storm Lake II | Buena Vista | 80.2 MW | ALLETE Clean Energy |
| Charles City Wind Farm | Floyd | 80 MW | MidAmerican Energy Co |
| Northern Iowa Windpower II | Worth | 80 MW | Avangrid Power LLC |
| Old Gold Energy Center, LLC | Worth | 80 MW | Old Gold Energy Center, LLC |
| Pocahontas Prairie Wind Farm | Pocahontas | 80 MW | MidAmerican Energy Co |
| Sac County Wind, LLC | Sac | 80 MW | Sac County Wind |
| Ames GT | Story | 78.7 MW | City of Ames - (IA) |
| Coralville GT | Johnson | 72 MW | MidAmerican Energy Co |
| Kossuth County Wind | Kossuth | 70 MW | Kossuth County Wind, LLC |
| Crystal Lake 3 LLC | Winnebago | 66 MW | Crystal Lake 3 LLC |
| Saratoga Wind Farm | Howard | 66 MW | Madison Gas & Electric Co |
| Independence Wind Farm | Delaware | 55.4 MW | Independence Wind Energy LLC |
| Red Rock Hydro Plant | Marion | 55.2 MW | Western Minnesota Mun Pwr Agny |
| Streeter Station | Black Hawk | 51.5 MW | Cedar Falls Utilities |
| Creston Solar (50 MW) | Union | 50 MW | Interstate Power and Light Co |
| Pleasant Creek Unit 1 | Linn | 50 MW | Interstate Power and Light Co |
| Rippey Wind Farm | Greene | 50 MW | Greenbacker Renewable Energy Corporation |
| Osceola Windpower II | Osceola | 49.6 MW | Osceola Windpower II |
| Flying Cloud Power Partners LLC | Dickinson | 43.5 MW | Avangrid Power LLC |
| Gas Turbine (IA) | Black Hawk | 43.4 MW | Cedar Falls Utilities |
| Cerro Gordo Wind Farm | Cerro Gordo | 42 MW | Cerro Gordo Wind Farm |
| Hawkeye Power Partners LLC | Cerro Gordo | 42 MW | Hawkeye Power Partners LLC |
| Indianola | Warren | 40.9 MW | Indianola Municipal Utilities - (IA) |
| Elk Wind Farm | Delaware | 40.8 MW | Greenbacker Renewable Energy Corporation |
| University of Iowa Main Power Plant | Johnson | 40.5 MW | University of Iowa |
| Cargill Corn Milling Division | Monroe | 40 MW | Cargill Inc North America Sweetners |
| Iowa State University | Story | 39.8 MW | Iowa State University |
| Prescott Wind Farm | Adams | 38.7 MW | Prescott Wind Energy LLC |
| Merl Parr | Floyd | 36 MW | MidAmerican Energy Co |
| Hawkeye Wind Farm | Bremer | 35 MW | Greenbacker Renewable Energy Corporation |
| Top of Iowa Windfarm III | Worth | 29.7 MW | Madison Gas & Electric Co |
| Pella Peaking | Marion | 28 MW | City of Pella - (IA) |
| New Hampton | Chickasaw | 26.5 MW | City of New Hampton - (IA) |
| Waverly Municipal Electric North Plant | Bremer | 25.1 MW | Waverly Municipal Elec Utility - (IA) |
| Arbor Hill Solar | Adair | 25 MW | MidAmerican Energy Co |
| Maquoketa 1 | Jackson | 24.4 MW | City of Maquoketa - (IA) |
| Mt Pleasant | Henry | 24 MW | City of Mt Pleasant - (IA) |
| Spencer Gas Turbine | Clay | 23.8 MW | City of Spencer - (IA) |
| Forest City Light Plant | Winnebago | 22 MW | City of Forest City- (IA) |
| Amana Society Service Company | Iowa | 21.6 MW | Amana Society Service Co |
| Webster City | Hamilton | 21.3 MW | City of Webster City - (IA) |
| Crosswind Energy Project | Palo Alto | 21 MW | Crosswind Holdco LLC |
| Carroll Area Wind Farm | Carroll | 20.7 MW | SRIV Partnership LLC |
| Shenandoah | Page | 20 MW | MidAmerican Energy Co |
| Winnebago Wind Power Project | Winnebago | 20 MW | Avangrid Power LLC |
| Osage (IA) | Mitchell | 19 MW | City of Osage - (IA) |
| Waterloo Lundquist | Black Hawk | 18 MW | MidAmerican Energy Co |
| Lake Mills | Winnebago | 17.7 MW | City of Lake Mills - (IA) |
| Winterset | Madison | 17.6 MW | City of Winterset - (IA) |
| Vinton | Benton | 17.5 MW | City of Vinton - (IA) |
| Algona | Kossuth | 16.1 MW | City of Algona - (IA) |
| Knoxville Industrial | Marion | 16 MW | MidAmerican Energy Co |
| Alliant SBD 9106 Rockwell CR | Linn | 16 MW | Industrial Energy Applications Inc |
| Estherville | Emmet | 15.6 MW | City of Estherville - (IA) |
| Hardin Hilltop Wind LLC | Greene | 14.7 MW | Hardin Holdco LLC |
| NCAH Central Utility Plant | Story | 14.1 MW | National Centers for Animal Health |
| West Liberty | Muscatine | 14 MW | City of West Liberty - (IA) |
| Story City | Story | 13.9 MW | City of Story City - (IA) |
| South Plant (IA) | Bremer | 12 MW | Waverly Municipal Elec Utility - (IA) |
| Alliant SBD 9107 JBS USA | Marshall | 11.4 MW | Industrial Energy Applications Inc |
| Metro Methane Recovery Facility | Polk | 11.2 MW | WM Renewable Energy LLC |
| Iowa Lakes Superior Wind Farm | Dickinson | 10.5 MW | Iowa Lakes Electric Coop |
| Lakota Wind Wind Farm | Kossuth | 10.5 MW | Iowa Lakes Electric Coop |
| Lamoni Municipal Utilities | Decatur | 10.5 MW | City of Lamoni - (IA) |
| Atlantic | Cass | 10 MW | Atlantic Municipal Utilities (IA) |
| Bellevue | Jackson | 9.8 MW | City of Bellevue - (IA) |
| Montezuma | Poweshiek | 9.8 MW | City of Montezuma - (IA) |
| Tipton | Cedar | 9.3 MW | City of Tipton - (IA) |
| Wilton | Muscatine | 9.2 MW | City of Wilton - (IA) |
| John Deere Dubuque Works | Dubuque | 9 MW | John Deere Dubuque Works |
| Grundy Center City Light Plant | Grundy | 8.7 MW | Grundy Center Mun Light & Power |
| Bloomfield | Davis | 8.5 MW | City of Bloomfield - (IA) |
| Junction Hilltop Wind Farm | Greene | 8 MW | Junction Hilltop Management LLC |
| Maquoketa 2 | Jackson | 8 MW | City of Maquoketa - (IA) |
| NLMU Diesel | Henry | 8 MW | New London Municipal Utilities - (IA) |
| North Generation Plant | Adair | 8 MW | City of Greenfield - (IA) |
| Archer Daniels Midland Des Moines | Polk | 7.9 MW | Archer Daniels Midland Co |
| CED Centerville Wind | Appanoose | 7.9 MW | RWE Clean Energy |
| CED Manchester Wind | Delaware | 7.9 MW | RWE Clean Energy |
| Manning | Carroll | 7.9 MW | City of Manning - (IA) |
| CED Mason City Wind | Cerro Gordo | 7.5 MW | RWE Clean Energy |
| Laurens | Pocahontas | 7.5 MW | City of Laurens - (IA) |
| Otter Creek Ethanol Poet - Ashton | Osceola | 7.5 MW | Otter Creek Ethanol LLC - Poet Ashton |
| University of Northern Iowa | Black Hawk | 7.5 MW | University of Northern Iowa |
| Cascade | Dubuque | 7.2 MW | Cascade Municipal Utilities - (IA) |
| State Center | Marshall | 7.1 MW | City of State Center - (IA) |
| Franklin County Solar | Franklin | 7 MW | MidAmerican Energy Co |
| Corning | Adams | 6.8 MW | City of Corning - (IA) |
| West Bend | Palo Alto | 6.7 MW | City of West Bend - (IA) |
| Milford | Dickinson | 6.5 MW | City of Milford - (IA) |
| Lenox | Taylor | 6.1 MW | City of Lenox - (IA) |
| Alliant SBD0201 Ingredion | Linn | 6.1 MW | Industrial Energy Applications Inc |
| Farmers Electric Cooperative - Kalona | Johnson | 6 MW | Farmers Electric Coop - (IA) |
| Allendorf | Osceola | 5.8 MW | E&E Enterprises LLC |
| Alliant SBD 8602 Marion Sub | Linn | 5.6 MW | Industrial Energy Applications Inc |
| Alliant SBD 9203 Profol | Linn | 5.6 MW | American Profol Incorporated |
| Coon Rapids II | Carroll | 5.4 MW | City of Coon Rapids -(IA) |
| La Porte | Black Hawk | 5.4 MW | La Porte City Utilities |
| Sumner | BREMER | 5.4 MW | City of Sumner - (IA) |
| Sibley One | Osceola | 5.2 MW | City of Sibley - (IA) |
| Deer Run Battery | Linn | 5 MW | Interstate Power and Light Co |
| Downtown Generation Plant | Adair | 5 MW | City of Greenfield - (IA) |
| Grinnell Customer Hosted Solar | Poweshiek | 5 MW | Interstate Power and Light Co |
| POET Biorefining - Gowrie | Webster | 5 MW | POET Biorefining - Gowrie |
| POET Biorefining - Jewell | Hamilton | 5 MW | POET Biorefining - Jewell |
| POET Biorefining LLC - Corning | Adams | 5 MW | POET Biorefining LLC - Corning |
| Cedar Rapids Community Solar | Linn | 4.5 MW | Interstate Power and Light Co |
| Panora | GUTHRIE | 4.5 MW | City of Panora - (IA) |
| Durant | Cedar | 4.4 MW | City of Durant - (IA) |
| Gilliam South | Adair | 4.3 MW | City of Stuart - (IA) |
| Bancroft | Kossuth | 4.2 MW | Bancroft Municipal Utilities - (IA) |
| Alliant SBD 9403 Aegon DC | Linn | 4.1 MW | Industrial Energy Applications Inc |
| Hopkinton | Delaware | 4.1 MW | City of Hopkinton - (IA) |
| Alta Municipal Utilities | Buena Vista | 4 MW | City of Alta - (IA) |
| Lake Mills Gas Recovery | Winnebago | 4 MW | WM Renewable Energy LLC |
| Lake Park | Dickinson | 4 MW | City of Lake Park - (IA) |
| Neal Energy Center Solar | Woodbury | 4 MW | MidAmerican Energy Co |
| POET Biorefining-Hanlontown, LLC | Worth | 4 MW | POET Biorefining-Hanlontown, LLC |
| Traer East | Tama | 4 MW | City of Traer - (IA) |
| Villisca Municipal Power Plant | Montgomery | 4 MW | City of Villisca - (IA) |
| West Diesel Generation Unit | Pocahontas | 4 MW | City of Pocahontas - (IA) |
| Grinnell College | Poweshiek | 3.9 MW | Azimuth 180 Solar Electric, LLC |
| Ogden | Boone | 3.9 MW | City of Ogden - (IA) |
| West Dubuque Solar | Dubuque | 3.8 MW | Interstate Power and Light Co |
| Alliant SBD 9205 A Y McDonald | Dubuque | 3.6 MW | Industrial Energy Applications Inc |
| Preston (IA) | Jackson | 3.6 MW | City of Preston - (IA) |
| South Strawberry | Clayton | 3.6 MW | City of Strawberry Point -(IA) |
| Waverly Solar - (IA) | Bremer | 3.6 MW | SE Municipal Iowa, LLC |
| Alliant SBD 9301 Prairie Farms | Dubuque | 3.5 MW | Industrial Energy Applications Inc |
| Poet Bioprocessing Emmetsburg | Palo Alto | 3.5 MW | Poet Bioprocessing Emmetsburg |
| Traer Main | Tama | 3.5 MW | City of Traer - (IA) |
| Harlan | Shelby | 3.4 MW | Harlan Municipal Utilities - (IA) |
| Indianola Solar | Warren | 3.4 MW | SE Municipal Iowa, LLC |
| Ottumwa City of | Wapello | 3.2 MW | City of Ottumwa - (IA) |
| Graettinger | Palo Alto | 3.1 MW | City of Graettinger - (IA) |
| Forest City Solar | Winnebago | 3 MW | Green Street Power Partners |
| Johnson County Hills Solar | Johnson | 3 MW | MidAmerican Energy Co |
| Leonardo Wind 1 LLC | Hardin | 3 MW | Novis Renewables, LLC |
| Michelangelo Wind 1 LLC | Story | 3 MW | Novis Renewables, LLC |
| Michelangelo Wind 3 LLC | Story | 3 MW | Michelangelo Wind 3 LLC |
| Michelangelo Wind 4 LLC | Boone | 3 MW | Novis Renewables, LLC |
| Optimum Wind 3 LLC | Story | 3 MW | Novis Renewables, LLC |
| Optimum Wind 4 LLC | Story | 3 MW | Novis Renewables, LLC |
| Optimum Wind 5 LLC | Story | 3 MW | Novis Renewables, LLC |
| Optimum Wind 6 LLC | Story | 3 MW | Novis Renewables, LLC |
| Optimum Wind 7 LLC | Story | 3 MW | Novis Renewables, LLC |
| Venus Wind 3 LLC | Poweshiek | 3 MW | Novis Renewables, LLC |
| Waterloo Solar (IA) | Black Hawk | 3 MW | MidAmerican Energy Co |
| Rockford | Floyd | 2.9 MW | City of Rockford- (IA) |
| Anita | Cass | 2.9 MW | City of Anita - (IA) |
| Stuart (IA) | Guthrie | 2.8 MW | City of Stuart - (IA) |
| ASSC Digester Power Plant | Iowa | 2.8 MW | Amana Society Service Co |
| Des Moines Wastewater Reclamation Fac | Polk | 2.8 MW | Des Moines Metro WRF |
| Oakdale Renewable Energy Plant | Johnson | 2.8 MW | University of Iowa |
| Waverly Community Wind Project | Bremer | 2.7 MW | Waverly Municipal Elec Utility - (IA) |
| REG Mason City Solar | Cerro Gordo | 2.6 MW | REG Mason City, LLC |
| Decorah Battery | Winneshiek | 2.5 MW | Interstate Power and Light Co |
| Douglas (IA) | Mitchell | 2.5 MW | OneEnergy, Inc. |
| Gowrie | Webster | 2.5 MW | Gowrie Municipal Utilities - (IA) |
| Little Cedar | Mitchell | 2.5 MW | OneEnergy, Inc. |
| Rock Rapids | Lyon | 2.5 MW | Rock Rapids Municipal Utility - (IA) |
| Brooklyn | Poweshiek | 2.3 MW | City of Brooklyn - (IA) |
| Brooklyn City North Plant | Poweshiek | 2.3 MW | City of Brooklyn - (IA) |
| Hy-Vee Customer Hosted 2.25MW Solar | Lucas | 2.3 MW | Interstate Power and Light Co |
| Iowa Distributed Wind Generation Project | Kossuth | 2.3 MW | City of Algona - (IA) |
| Dike City Power Plant | Grundy | 2.2 MW | City of Dike - (IA) |
| Alliant SBD 9201 Norplex | Allamakee | 2.1 MW | Industrial Energy Applications Inc |
| Anderson Erickson | Polk | 2 MW | Anderson Erickson Dairy |
| Coggon | Linn | 2 MW | Coggon Municipal Light Plant - (IA) |
| IA - City of Ames - Airport Road | Story | 2 MW | Forefront Power, LLC |
| Primghar | O'Brien | 2 MW | City of Primghar - (IA) |
| Traer South | Tama | 2 MW | City of Traer - (IA) |
| Wind GEM | Adair | 1.9 MW | Wind GEM, LLC |
| August Wind Farm | Taylor | 1.8 MW | August Wind Energy, LLC |
| Birch | Taylor | 1.8 MW | Birch Power LLC |
| Dayton (IA) | Webster | 1.8 MW | City of Dayton - (IA) |
| Earlville | Delaware | 1.8 MW | City of Earlville - (IA) |
| Eastern Iowa Solar | Muscatine | 1.8 MW | Central Iowa Power Cooperative |
| Hampton Substation Energy Storage | Franklin | 1.8 MW | Corn Belt Power Coop |
| Roseman | Cass | 1.8 MW | Roseman Energy, LLC |
| Wapsie Valley Creamery Back Up Generator | Buchanan | 1.8 MW | Wapsie Valley Creamery |
| West Receiving | Crawford | 1.8 MW | City of Denison - (IA) |
| Grand Junction | Greene | 1.7 MW | City of Grand Junction - (IA) |
| Green Energy Machine | Cass | 1.7 MW | Green Energy Machine, LLC |
| Iowa Lakes Community College Wind Farm | Emmet | 1.7 MW | Iowa Lakes Community College |
| Alliant SBD 9206 Donaldson | Howard | 1.6 MW | Industrial Energy Applications Inc |
| Bloomfield Municipal Utilities Solar | Davis | 1.6 MW | Onsite Partners, LLC |
| Cumberland Rose | Adair | 1.6 MW | Cumberland Rose Wind Energy, LLC |
| Davenport Water Pollution Control Plant | Scott | 1.6 MW | Davenport, City of - (IA) |
| Fontanelle | Adair | 1.6 MW | Forward Fontanelle Power, LLC |
| Greenfield Wind | Adair | 1.6 MW | Greenfield Wind Power, LLC |
| Luther College Wind Project | Winneshiek | 1.6 MW | Luther College Wind Energy Project LLC |
| Meadow Ridge | Adair | 1.6 MW | Meadow Ridge Wind Energy, LLC |
| Roeder Family Wind Farm LLC | Worth | 1.6 MW | RWE Clean Energy |
| Sky Volt | Adair | 1.6 MW | Sky Volt, LLC |
| Windwalkers LLC | Worth | 1.6 MW | RWE Clean Energy |
| Wiota | Cass | 1.6 MW | Wiota Wind Energy, LLC #1 |
| Buffalo Center Wind LLC | Mitchell | 1.5 MW | Buffalo Center Wind LLC |
| Bulldog | Adair | 1.5 MW | Bulldog Wind Energy, LLC |
| Cedar Falls Solar Farm | Black Hawk | 1.5 MW | Altus Power America Management, LLC |
| DPC Madison | Winneshiek | 1.5 MW | SoCore Energy LLC |
| Maple City | Mitchell | 1.5 MW | Altus Power America Management, LLC |
| McGregor | Clayton | 1.5 MW | City of McGregor- (IA) |
| NLMU Wind | Henry | 1.5 MW | New London Municipal Utilities - (IA) |
| Story City Wind Project | Story | 1.5 MW | Hamilton Wind Energy LLC |
| Traer Wind Project | Tama | 1.5 MW | City of Traer - (IA) |
| Wolverine | Adair | 1.5 MW | Wolverine Wind Energy, LLC |
| Creston School Customer Hosted Solar | Union | 1.4 MW | Interstate Power and Light Co |
| ISU Customer Hosted 1MW Solar Project | Story | 1.4 MW | Interstate Power and Light Co |
| Clinton Schools | Clinton | 1.3 MW | Interstate Power and Light Co |
| Strawberry Point DPC Solar | Clayton | 1.3 MW | SoCore Energy LLC |
| Iowa Hydro LLC | Jackson | 1.2 MW | Zero6 Energy Hydro |
| Knoxville Battery Energy Storage | Marion | 1.1 MW | MidAmerican Energy Co |
| Sibley No Two | Osceola | 1.1 MW | City of Sibley - (IA) |
| AgriReNew | Scott | 1 MW | AgriReNew |
| Fareway Customer Hosted 1 MW Solar | Boone | 1 MW | Interstate Power and Light Co |
| Perry Customer Hosted 1MW Solar Project | Dallas | 1 MW | Interstate Power and Light Co |
| Coggon Solar LLC | Linn | 0 MW | Clenera DevCo LLC |
| Hawkeye Solar II, LLC | Clinton | 0 MW | Hawkeye Solar II, LLC |
| Hawkeye Solar, LLC | Clinton | 0 MW | Hawkeye Solar, LLC |
| Mills Solar Project | Mills | 0 MW | MidAmerican Energy Co |
| MPW Solar 1 | Muscatine | 0 MW | MPW Solar 1, LLC |
| Rock Creek Solar | Clinton | 0 MW | Rock Creek Solar LLC |
| Silver Queen Wind Farm | Crawford | 0 MW | Silver Queen Wind Farm, LLC |
| Teeple Creek | Allamakee | 0 MW | OneEnergy, Inc. |