Directory of Power Plants in Iowa
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Carroll Area Wind Farm | SRIV Partnership LLC | Templeton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 70.3 GWh | Dec 2014 | Dec 2023 | Wind |
| Crosswind Energy Project | Junction Hilltop Management LLC | Ruthven, IA | Southwest Power Pool (SWPP) | 57.8 GWh | May 2007 | Dec 2023 | Wind |
| Winnebago Wind Power Project | Avangrid Renewables LLC | Forest City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 52.4 GWh | Aug 2008 | Dec 2023 | Wind |
| University of Iowa Main Power Plant | University of Iowa | Iowa City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 49.2 GWh | Dec 1946 | Feb 2023 | Natural Gas : 56.3% Bituminous Coal : 21.0% Wood/Wood Waste Solids : 13.4% Other Biomass Solids : 9.4% |
| Otter Creek Ethanol Poet - Ashton | Otter Creek Ethanol LLC - Poet Ashton | Ashton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 44.6 GWh | Feb 2004 | Jul 2024 | Natural Gas |
| Arbor Hill Solar | MidAmerican Energy Co | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 43.3 GWh | Dec 2021 | Jul 2024 | Solar |
| Top of Iowa Windfarm III | Madison Gas & Electric Co | Kensett, IA | Midcontinent Independent System Operator, Inc. (MISO) | 40.5 GWh | Jan 2008 | Dec 2023 | Wind |
| Iowa Lakes Superior Wind Farm | Iowa Lakes Electric Coop | Superior, IA | Southwest Power Pool (SWPP) | 34.8 GWh | Mar 2009 | Dec 2023 | Wind |
| Hardin Hilltop Wind LLC | Junction Hilltop Management LLC | Jefferson, IA | Midcontinent Independent System Operator, Inc. (MISO) | 34.7 GWh | Apr 2007 | Dec 2023 | Wind |
| Lakota Wind Wind Farm | Iowa Lakes Electric Coop | Lakota, IA | Southwest Power Pool (SWPP) | 32.2 GWh | Feb 2009 | Dec 2023 | Wind |
| CED Mason City Wind | Consolidated Edison Development Inc. | Mason City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 26.5 GWh | Apr 2020 | Dec 2023 | Wind |
| CED Centerville Wind | Consolidated Edison Development Inc. | Centerville, IA | Midcontinent Independent System Operator, Inc. (MISO) | 25.8 GWh | Nov 2021 | Dec 2023 | Wind |
| Junction Hilltop Wind Farm | Junction Hilltop Management LLC | Dana, IA | Midcontinent Independent System Operator, Inc. (MISO) | 24.2 GWh | Feb 2012 | Dec 2023 | Wind |
| CED Manchester Wind | Consolidated Edison Development Inc. | Manchester, IA | Midcontinent Independent System Operator, Inc. (MISO) | 22.8 GWh | Mar 2022 | Dec 2023 | Wind |
| POET Biorefining - Jewell | POET Biorefining - Jewell | Jewell, IA | Midcontinent Independent System Operator, Inc. (MISO) | 21.3 GWh | Feb 2019 | Dec 2023 | Natural Gas |
| Duane Arnold Solar I (50 MW) | Interstate Power and Light Co | Palo, IA | Midcontinent Independent System Operator, Inc. (MISO) | 20.3 GWh | - | May 2024 | Solar |
| University of Northern Iowa | University of Northern Iowa | Cedar Falls, IA | Midcontinent Independent System Operator, Inc. (MISO) | 20.2 GWh | Oct 1982 | Jul 2024 | Natural Gas : 75.6% Petroleum Coke : 16.3% Bituminous Coal : 8.0% |
| Lake Mills Gas Recovery | WM Renewable Energy LLC | Lake Mills, IA | Midcontinent Independent System Operator, Inc. (MISO) | 19.2 GWh | Feb 2006 | Dec 2023 | Landfill Gas |
| POET Biorefining - Gowrie | POET Biorefining - Gowrie | Gowrie, IA | Midcontinent Independent System Operator, Inc. (MISO) | 17.9 GWh | Oct 2018 | Dec 2023 | Natural Gas |
| Pleasant Hill | MidAmerican Energy Co | Pleasant Hill, IA | Midcontinent Independent System Operator, Inc. (MISO) | 16.8 GWh | May 1990 | Dec 2023 | Natural Gas : 98.7% Distillate Fuel Oil : 1.3% |
| POET Biorefining-Hanlontown, LLC | POET Biorefining-Hanlontown, LLC | Hanlontown, IA | Midcontinent Independent System Operator, Inc. (MISO) | 16.1 GWh | Dec 2018 | Dec 2023 | Natural Gas |
| POET Biorefining LLC - Corning | POET Biorefining LLC - Corning | Corning, IA | Midcontinent Independent System Operator, Inc. (MISO) | 15.0 GWh | Sep 2018 | Dec 2023 | Natural Gas |
| NCAH Central Utility Plant | National Centers for Animal Health | Ames, IA | Midcontinent Independent System Operator, Inc. (MISO) | 15.0 GWh | May 1996 | Jul 2024 | Natural Gas : 99.5% |
| Franklin County Solar | MidAmerican Energy Co | Hampton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 13.6 GWh | Dec 2021 | Dec 2023 | Solar |
| Electrifarm | MidAmerican Energy Co | Waterloo, IA | Midcontinent Independent System Operator, Inc. (MISO) | 11.6 GWh | Apr 1975 | Dec 2023 | Natural Gas : 97.2% Distillate Fuel Oil : 2.8% |
| Leonardo Wind 1 LLC | Leonardo Wind 1 LLC | Alden, IA | Midcontinent Independent System Operator, Inc. (MISO) | 11.2 GWh | Nov 2016 | Dec 2023 | Wind |
| Sycamore (IA) | MidAmerican Energy Co | Johnston, IA | Midcontinent Independent System Operator, Inc. (MISO) | 10.7 GWh | Jul 1974 | Dec 2023 | Natural Gas : 99.7% |
| Optimum Wind 7 LLC | Optimum Wind 7 LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 10.1 GWh | Feb 2017 | Dec 2023 | Wind |
| Michelangelo Wind 4 LLC | Michelangelo Wind 4 LLC | Ames, IA | Midcontinent Independent System Operator, Inc. (MISO) | 9.3 GWh | Nov 2016 | Dec 2023 | Wind |
| Optimum Wind 6 LLC | Optimum Wind 6 LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 9.2 GWh | Feb 2017 | Dec 2023 | Wind |
| Michelangelo Wind 3 LLC | Michelangelo Wind 3 LLC | Huxley, IA | Midcontinent Independent System Operator, Inc. (MISO) | 8.6 GWh | Jan 2017 | Dec 2023 | Wind |
| Michelangelo Wind 1 LLC | Michelangelo Wind 1 LLC | Huxley, IA | Midcontinent Independent System Operator, Inc. (MISO) | 8.6 GWh | Feb 2017 | Dec 2023 | Wind |
| Optimum Wind 4 LLC | Optimum Wind 4 LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 8.3 GWh | Feb 2017 | Dec 2023 | Wind |
| Optimum Wind 5 LLC | Optimum Wind 5 LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 8.2 GWh | Feb 2017 | Dec 2023 | Wind |
| Burlington (IA) | Interstate Power and Light Co | Burlington, IA | Midcontinent Independent System Operator, Inc. (MISO) | 8.2 GWh | May 1968 | Jul 2024 | Natural Gas |
| Anchor Wind, LLC | Acciona Energy USA Global, LLC | Mechanicsville, IA | Midcontinent Independent System Operator, Inc. (MISO) | 7.8 GWh | Sep 2012 | Dec 2023 | Wind |
| Streeter Station | Cedar Falls Utilities | Cedar Falls, IA | Midcontinent Independent System Operator, Inc. (MISO) | 7.5 GWh | Aug 1963 | Dec 2023 | Natural Gas : 97.5% Bituminous Coal : 2.5% |
| Neal Energy Center Solar | MidAmerican Energy Co | Salix, IA | Midcontinent Independent System Operator, Inc. (MISO) | 7.3 GWh | Jan 2022 | Dec 2023 | Solar |
| Optimum Wind 3 LLC | Optimum Wind 3 LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 7.1 GWh | Feb 2017 | Dec 2023 | Wind |
| Roseman | Roseman Energy, LLC | Anita, IA | Midcontinent Independent System Operator, Inc. (MISO) | 6.9 GWh | Jan 2017 | Dec 2023 | Wind |
| August Wind Farm | August Wind Energy, LLC | Clearfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 6.8 GWh | Jan 2017 | Dec 2023 | Wind |
| Birch | Birch Power LLC | Clearfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 6.6 GWh | Jan 2017 | Dec 2023 | Wind |
| Green Energy Machine | Green Energy Machine, LLC | Anita, IA | Midcontinent Independent System Operator, Inc. (MISO) | 6.3 GWh | May 2016 | Dec 2023 | Wind |
| Davenport Water Pollution Control Plant | Davenport City of | Davenport, IA | Midcontinent Independent System Operator, Inc. (MISO) | 6.3 GWh | Apr 1995 | Dec 2023 | Other Biomass Gas : 78.4% Natural Gas : 21.6% |
| Archer Daniels Midland Des Moines | Archer Daniels Midland Co | Des Moines, IA | Midcontinent Independent System Operator, Inc. (MISO) | 6.1 GWh | Apr 1988 | Dec 2023 | Subbituminous Coal |
| Johnson County Hills Solar | MidAmerican Energy Co | Iowa City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.9 GWh | Dec 2021 | Dec 2023 | Solar |
| Waterloo Solar (IA) | MidAmerican Energy Co | Waterloo, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.9 GWh | Feb 2022 | Dec 2023 | Solar |
| Waverly Community Wind Project | Waverly Municipal Elec Utility | Waverly, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.8 GWh | Nov 2001 | Dec 2023 | Wind |
| Traer Wind Project | City of Traer - (IA) | Traer, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.8 GWh | Sep 2010 | Dec 2023 | Wind |
| Earl F Wisdom | Corn Belt Power Coop | Spencer, IA | Southwest Power Pool (SWPP) | 5.7 GWh | Mar 1960 | Dec 2023 | Natural Gas : 99.1% Distillate Fuel Oil : 0.9% |
| West Dubuque Solar | Interstate Power and Light Co | Dubuque, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.5 GWh | Aug 2017 | Dec 2023 | Solar |
| Venus Wind 3 LLC | Venus Wind 3 LLC | Grinnell, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.5 GWh | Feb 2017 | Dec 2023 | Wind |
| Ottumwa City of | Ottumwa City of | Ottumwa, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.3 GWh | Jul 1931 | Dec 2023 | Water |
| Fontanelle | Forward Fontanelle Power, LLC | Fontanelle, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.2 GWh | Jul 2012 | Dec 2023 | Wind |
| Wiota | Wiota Wind Energy, LLC #1 | Wiota, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.1 GWh | Apr 2012 | Dec 2023 | Wind |
| Roeder Family Wind Farm LLC | Consolidated Edison Development Inc. | Manly, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.1 GWh | Aug 2011 | Dec 2023 | Wind |
| Meadow Ridge | Meadow Ridge Wind Energy, LLC | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.0 GWh | Jun 2012 | Dec 2023 | Wind |
| Forest City Solar | Butter Solar, LLC | Forest City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.0 GWh | Aug 2019 | Dec 2023 | Solar |
| Buffalo Center Wind LLC | Buffalo Center Wind LLC | Little Cedar, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.0 GWh | Oct 2011 | Dec 2023 | Wind |
| Cumberland Rose | Cumberland Rose Wind Energy, LLC | Orient, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.9 GWh | Jul 2012 | Dec 2023 | Wind |
| Wind GEM | Wind GEM, LLC | Stuart, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.8 GWh | Aug 2015 | Dec 2023 | Wind |
| Greenfield Wind | Greenfield Wind Power, LLC | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.7 GWh | Jul 2012 | Dec 2023 | Wind |
| NLMU Wind | New London Municipal Utilities | New London, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.7 GWh | Oct 2011 | Dec 2023 | Wind |
| Windwalkers LLC | Consolidated Edison Development Inc. | Kensett, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.4 GWh | Aug 2011 | Dec 2023 | Wind |
| Iowa Distributed Wind Generation Project | City of Algona - (IA) | Algona, IA | Southwest Power Pool (SWPP) | 4.3 GWh | May 2000 | Dec 2023 | Wind |
| Iowa Hydro LLC | Renewable World Energies LLC | Maquoketa, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.3 GWh | Dec 1923 | Jul 2024 | Water |
| Bulldog | Bulldog Wind Energy, LLC | Orient, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.2 GWh | Sep 2010 | Dec 2023 | Wind |
| Sky Volt | Sky Volt, LLC | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.0 GWh | Jul 2012 | Dec 2023 | Wind |
| Wolverine | Wolverine Wind Energy, LLC | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.0 GWh | Sep 2010 | Dec 2023 | Wind |
| Osage (IA) | City of Osage - (IA) | Osage, IA | Midcontinent Independent System Operator, Inc. (MISO) | 3.8 GWh | Aug 1963 | Dec 2023 | Wind : 73.8% Solar : 26.2% |
| IA - City of Ames - Airport Road | Forefront Power, LLC | Ames, IA | Midcontinent Independent System Operator, Inc. (MISO) | 3.1 GWh | Nov 2020 | Dec 2023 | Solar |
| Eastern Iowa Solar | Central Iowa Power Cooperative | Wilton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 3.0 GWh | Oct 2016 | Dec 2023 | Solar |
| Maple City | Greenbacker Renewable Energy Corporation | Osage Township, IA | Associated Electric Cooperative, Inc. (AECI) | 2.9 GWh | Nov 2022 | Dec 2023 | Solar |
| Story City Wind Project | Hamilton Wind Energy LLC | Story City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.6 GWh | Sep 2010 | Dec 2023 | Wind |
| Iowa Lakes Community College Wind Farm | Iowa Lakes Community College | Estherville, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.5 GWh | Jan 2005 | Jul 2024 | Wind |
| New Hampton | City of New Hampton - (IA) | New Hampton, IA | Southwest Power Pool (SWPP) | 2.4 GWh | Mar 1967 | Dec 2023 | Distillate Fuel Oil : 93.1% Natural Gas : 6.9% |
| Cedar Falls Solar Farm | Altus Power America Management, LLC | Cedar Falls, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.3 GWh | Mar 2016 | Dec 2023 | Solar |
| Strawberry Point DPC Solar | SoCore Energy LLC | Strawberry Point, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Oct 2017 | Dec 2023 | Solar |
| Bloomfield Municipal Utilities Solar | AEP Onsite Partners, LLC | Bloomfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.1 GWh | Mar 2019 | Dec 2023 | Solar |
| Webster City | City of Webster City - (IA) | Webster City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Mar 1972 | Dec 2023 | Distillate Fuel Oil |
| River Hills | MidAmerican Energy Co | Des Moines, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Apr 1966 | Dec 2023 | Natural Gas |
| Allendorf | E&E Enterprises LLC | Allendorf, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | Sep 1998 | Dec 2022 | Wind |
| Ames GT | City of Ames - (IA) | Ames, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 GWh | Apr 1972 | Sep 2023 | Distillate Fuel Oil |
| Algona | City of Algona - (IA) | Algona, IA | Southwest Power Pool (SWPP) | 1.4 GWh | Nov 1965 | Dec 2023 | Distillate Fuel Oil : 86.8% Natural Gas : 13.2% |
| Lime Creek | Interstate Power and Light Co | Mason City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.3 GWh | Apr 1991 | Aug 2023 | Distillate Fuel Oil |
| Spencer Gas Turbine | City of Spencer - (IA) | Spencer, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.2 GWh | Dec 1969 | Dec 2023 | Kerosene |
| Coralville GT | MidAmerican Energy Co | Coralville, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.0 GWh | May 1970 | Dec 2023 | Natural Gas |
| Laurens | City of Laurens - (IA) | Laurens, IA | Southwest Power Pool (SWPP) | 955.0 MWh | Jun 1951 | Dec 2023 | Distillate Fuel Oil |
| Amana Society Service Company | Amana Society Service Co | Middle Amana, IA | Midcontinent Independent System Operator, Inc. (MISO) | 947.0 MWh | Apr 2001 | Dec 2023 | Distillate Fuel Oil |
| Estherville | City of Estherville - (IA) | Estherville, IA | Southwest Power Pool (SWPP) | 783.0 MWh | Nov 1946 | Dec 2023 | Distillate Fuel Oil |
| Merl Parr | MidAmerican Energy Co | Charles City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 756.0 MWh | Apr 1969 | Dec 2023 | Natural Gas |
| Sumner | City of Sumner - (IA) | Sumner, IA | Midcontinent Independent System Operator, Inc. (MISO) | 655.0 MWh | Jul 1956 | Dec 2023 | Distillate Fuel Oil |
| Milford | City of Milford - (IA) | Milford, IA | Southwest Power Pool (SWPP) | 616.0 MWh | Dec 1948 | Dec 2023 | Distillate Fuel Oil |
| West Bend | City of West Bend | West Bent, IA | Midcontinent Independent System Operator, Inc. (MISO) | 471.0 MWh | Nov 1954 | Dec 2023 | Distillate Fuel Oil |
| Coon Rapids II | City of Coon Rapids | Coon Rapids, IA | Southwest Power Pool (SWPP) | 451.0 MWh | Sep 2001 | Dec 2023 | Distillate Fuel Oil |
| Grundy Center City Light Plant | Grundy Center Mun Light & Power | Grundy Center, IA | Midcontinent Independent System Operator, Inc. (MISO) | 388.1 MWh | Oct 1963 | Dec 2022 | Distillate Fuel Oil |
| Alta Municipal Utilities | City of Alta - (IA) | Alta, IA | Southwest Power Pool (SWPP) | 372.0 MWh | Jul 1947 | Dec 2023 | Distillate Fuel Oil |
| Bancroft | Bancroft Municipal Utilities | Bancroft, IA | Midcontinent Independent System Operator, Inc. (MISO) | 320.0 MWh | Dec 1947 | Dec 2023 | Distillate Fuel Oil |
| Pella Peaking | City of Pella - (IA) | Pella, IA | Midcontinent Independent System Operator, Inc. (MISO) | 291.0 MWh | May 2003 | Dec 2023 | Distillate Fuel Oil |
| Graettinger | City of Graettinger - (IA) | Graettinger, IA | Midcontinent Independent System Operator, Inc. (MISO) | 255.0 MWh | Jul 1957 | Dec 2023 | Distillate Fuel Oil |