Directory of Power Plants in Iowa
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Storm Lake 1 | ALLETE Clean Energy | Alta, IA | Midcontinent Independent System Operator, Inc. (MISO) | 86.9 GWh | Apr 1999 | Dec 2025 | Wind |
| Metro Methane Recovery Facility | WM Renewable Energy LLC | Mitchellville, IA | Midcontinent Independent System Operator, Inc. (MISO) | 85.0 GWh | Dec 1997 | May 2026 | Landfill Gas |
| Prairie Creek | Interstate Power and Light Co | Cedar Rapids, IA | Midcontinent Independent System Operator, Inc. (MISO) | 82.8 GWh | Sep 1958 | May 2026 | Subbituminous Coal : 62.1% Natural Gas : 37.9% |
| Iowa State University | Iowa State University | Ames, IA | Midcontinent Independent System Operator, Inc. (MISO) | 71.0 GWh | Sep 1960 | May 2026 | Natural Gas : 97.7% Distillate Fuel Oil : 2.3% |
| Winnebago Wind Power Project | Avangrid Power LLC | Forest City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 61.3 GWh | Aug 2008 | Dec 2025 | Wind |
| Old Gold Energy Center, LLC | Old Gold Energy Center, LLC | Joice, IA | Midcontinent Independent System Operator, Inc. (MISO) | 57.1 GWh | Sep 2001 | Dec 2025 | Wind |
| Crosswind Energy Project | Junction Hilltop Management LLC | Ruthven, IA | Southwest Power Pool (SWPP) | 55.3 GWh | May 2007 | Dec 2024 | Wind |
| Carroll Area Wind Farm | SRIV Partnership LLC | Templeton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 53.8 GWh | Dec 2014 | Dec 2025 | Wind |
| Pleasant Hill | MidAmerican Energy Co | Pleasant Hill, IA | Midcontinent Independent System Operator, Inc. (MISO) | 48.7 GWh | May 1990 | Dec 2025 | Natural Gas |
| Arbor Hill Solar | MidAmerican Energy Co | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 45.1 GWh | Dec 2021 | May 2026 | Solar |
| Otter Creek Ethanol Poet - Ashton | Otter Creek Ethanol LLC - Poet Ashton | Ashton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 44.6 GWh | Feb 2004 | May 2026 | Natural Gas |
| Top of Iowa Windfarm III | Madison Gas & Electric Co | Kensett, IA | Midcontinent Independent System Operator, Inc. (MISO) | 39.9 GWh | Jan 2008 | Dec 2025 | Wind |
| Iowa Lakes Superior Wind Farm | Iowa Lakes Electric Coop | Superior, IA | Southwest Power Pool (SWPP) | 34.7 GWh | Mar 2009 | Dec 2025 | Wind |
| Lakota Wind Wind Farm | Iowa Lakes Electric Coop | Lakota, IA | Southwest Power Pool (SWPP) | 33.5 GWh | Feb 2009 | Dec 2025 | Wind |
| Hardin Hilltop Wind LLC | Junction Hilltop Management LLC | Jefferson, IA | Midcontinent Independent System Operator, Inc. (MISO) | 32.4 GWh | Apr 2007 | Dec 2024 | Wind |
| Lake Mills Gas Recovery | WM Renewable Energy LLC | Lake Mills, IA | Midcontinent Independent System Operator, Inc. (MISO) | 31.7 GWh | Feb 2006 | Dec 2025 | Landfill Gas |
| Sycamore (IA) | MidAmerican Energy Co | Johnston, IA | Midcontinent Independent System Operator, Inc. (MISO) | 30.5 GWh | Jul 1974 | Dec 2025 | Natural Gas |
| CED Mason City Wind | RWE Clean Energy | Mason City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 29.5 GWh | Apr 2020 | Dec 2025 | Wind |
| CED Manchester Wind | RWE Clean Energy | Manchester, IA | Midcontinent Independent System Operator, Inc. (MISO) | 28.5 GWh | Mar 2022 | Dec 2025 | Wind |
| Burlington (IA) | Interstate Power and Light Co | Burlington, IA | Midcontinent Independent System Operator, Inc. (MISO) | 26.5 GWh | May 1968 | May 2026 | Natural Gas |
| CED Centerville Wind | RWE Clean Energy | Centerville, IA | Midcontinent Independent System Operator, Inc. (MISO) | 26.0 GWh | Nov 2021 | Dec 2025 | Wind |
| University of Northern Iowa | University of Northern Iowa | Cedar Falls, IA | Midcontinent Independent System Operator, Inc. (MISO) | 24.1 GWh | Oct 1982 | May 2026 | Natural Gas : 71.2% Petroleum Coke : 20.2% Bituminous Coal : 8.4% |
| Junction Hilltop Wind Farm | Junction Hilltop Management LLC | Dana, IA | Midcontinent Independent System Operator, Inc. (MISO) | 23.6 GWh | Feb 2012 | Dec 2025 | Wind |
| Marshalltown | Interstate Power and Light Co | Marshalltown, IA | Midcontinent Independent System Operator, Inc. (MISO) | 20.3 GWh | May 1978 | Dec 2025 | Natural Gas |
| Poet Bioprocessing Emmetsburg | Poet Bioprocessing Emmetsburg | Emmetsburg, IA | Midcontinent Independent System Operator, Inc. (MISO) | 18.1 GWh | Nov 2023 | Dec 2025 | Natural Gas : 84.7% Other Biomass Solids : 15.3% |
| Electrifarm | MidAmerican Energy Co | Waterloo, IA | Midcontinent Independent System Operator, Inc. (MISO) | 16.7 GWh | Apr 1975 | Dec 2025 | Natural Gas |
| POET Biorefining LLC - Corning | POET Biorefining LLC - Corning | Corning, IA | Midcontinent Independent System Operator, Inc. (MISO) | 14.0 GWh | Sep 2018 | Dec 2025 | Natural Gas |
| POET Biorefining-Hanlontown, LLC | POET Biorefining-Hanlontown, LLC | Hanlontown, IA | Midcontinent Independent System Operator, Inc. (MISO) | 13.4 GWh | Dec 2018 | Dec 2025 | Natural Gas |
| Franklin County Solar | MidAmerican Energy Co | Hampton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 13.2 GWh | Dec 2021 | Dec 2025 | Solar |
| POET Biorefining - Jewell | POET Biorefining - Jewell | Jewell, IA | Midcontinent Independent System Operator, Inc. (MISO) | 11.2 GWh | Feb 2019 | Dec 2025 | Natural Gas |
| Michelangelo Wind 1 LLC | Novis Renewables, LLC | Huxley, IA | Midcontinent Independent System Operator, Inc. (MISO) | 10.2 GWh | Feb 2017 | Dec 2025 | Wind |
| Michelangelo Wind 4 LLC | Novis Renewables, LLC | Ames, IA | Midcontinent Independent System Operator, Inc. (MISO) | 9.9 GWh | Nov 2016 | Dec 2025 | Wind |
| Michelangelo Wind 3 LLC | Michelangelo Wind 3 LLC | Huxley, IA | Midcontinent Independent System Operator, Inc. (MISO) | 9.9 GWh | Jan 2017 | Dec 2025 | Wind |
| Venus Wind 3 LLC | Novis Renewables, LLC | Grinnell, IA | Midcontinent Independent System Operator, Inc. (MISO) | 9.5 GWh | Feb 2017 | Dec 2025 | Wind |
| Optimum Wind 6 LLC | Novis Renewables, LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 9.5 GWh | Feb 2017 | Dec 2025 | Wind |
| Optimum Wind 7 LLC | Novis Renewables, LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 9.2 GWh | Feb 2017 | Dec 2025 | Wind |
| Optimum Wind 5 LLC | Novis Renewables, LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 8.7 GWh | Feb 2017 | Dec 2025 | Wind |
| Cedar Rapids Community Solar | Interstate Power and Light Co | Cedar Rapids, IA | Midcontinent Independent System Operator, Inc. (MISO) | 8.7 GWh | Jan 2024 | Dec 2025 | Solar |
| Leonardo Wind 1 LLC | Novis Renewables, LLC | Alden, IA | Midcontinent Independent System Operator, Inc. (MISO) | 8.7 GWh | Nov 2016 | Dec 2025 | Wind |
| Optimum Wind 4 LLC | Novis Renewables, LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 8.2 GWh | Feb 2017 | Dec 2025 | Wind |
| Streeter Station | Cedar Falls Utilities | Cedar Falls, IA | Midcontinent Independent System Operator, Inc. (MISO) | 7.8 GWh | Aug 1963 | Dec 2024 | Natural Gas : 94.0% Bituminous Coal : 6.0% |
| Neal Energy Center Solar | MidAmerican Energy Co | Salix, IA | Midcontinent Independent System Operator, Inc. (MISO) | 7.4 GWh | Jan 2022 | Dec 2024 | Solar |
| Optimum Wind 3 LLC | Novis Renewables, LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 7.4 GWh | Feb 2017 | Dec 2025 | Wind |
| Roseman | Roseman Energy, LLC | Anita, IA | Midcontinent Independent System Operator, Inc. (MISO) | 6.8 GWh | Jan 2017 | Dec 2025 | Wind |
| Birch | Birch Power LLC | Clearfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 6.6 GWh | Jan 2017 | Dec 2025 | Wind |
| Davenport Water Pollution Control Plant | Davenport, City of - (IA) | Davenport, IA | Midcontinent Independent System Operator, Inc. (MISO) | 6.4 GWh | Apr 1995 | Dec 2025 | Other Biomass Gas : 63.5% Natural Gas : 36.5% |
| West Dubuque Solar | Interstate Power and Light Co | Dubuque, IA | Midcontinent Independent System Operator, Inc. (MISO) | 6.3 GWh | Aug 2017 | Dec 2025 | Solar |
| August Wind Farm | August Wind Energy, LLC | Clearfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 6.2 GWh | Jan 2017 | Nov 2025 | Wind |
| Iowa Hydro LLC | Zero6 Energy Hydro | Maquoketa, IA | Midcontinent Independent System Operator, Inc. (MISO) | 6.1 GWh | Dec 1923 | May 2026 | Water |
| Green Energy Machine | Green Energy Machine, LLC | Anita, IA | Midcontinent Independent System Operator, Inc. (MISO) | 6.0 GWh | May 2016 | Dec 2025 | Wind |
| Waterloo Solar (IA) | MidAmerican Energy Co | Waterloo, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.7 GWh | Feb 2022 | Dec 2025 | Solar |
| Johnson County Hills Solar | MidAmerican Energy Co | Iowa City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.7 GWh | Dec 2021 | Dec 2025 | Solar |
| Traer Wind Project | City of Traer - (IA) | Traer, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.6 GWh | Sep 2010 | Dec 2025 | Wind |
| Osage (IA) | City of Osage - (IA) | Osage, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.5 GWh | Aug 1963 | Dec 2025 | Wind : 81.8% Solar : 18.2% |
| Wiota | Wiota Wind Energy, LLC #1 | Wiota, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.2 GWh | Apr 2012 | Dec 2025 | Wind |
| Story City Wind Project | Hamilton Wind Energy LLC | Story City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.2 GWh | Sep 2010 | Dec 2025 | Wind |
| NLMU Wind | New London Municipal Utilities - (IA) | New London, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.0 GWh | Oct 2011 | Dec 2025 | Wind |
| Wind GEM | Wind GEM, LLC | Stuart, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.9 GWh | Aug 2015 | Dec 2025 | Wind |
| Fontanelle | Forward Fontanelle Power, LLC | Fontanelle, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.9 GWh | Jul 2012 | Dec 2025 | Wind |
| Roeder Family Wind Farm LLC | RWE Clean Energy | Manly, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.9 GWh | Aug 2011 | Dec 2025 | Wind |
| Wolverine | Wolverine Wind Energy, LLC | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.8 GWh | Sep 2010 | Dec 2025 | Wind |
| Forest City Solar | Green Street Power Partners | Forest City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.6 GWh | Aug 2019 | Dec 2025 | Solar |
| Sky Volt | Sky Volt, LLC | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.5 GWh | Jul 2012 | Dec 2025 | Wind |
| Greenfield Wind | Greenfield Wind Power, LLC | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.4 GWh | Jul 2012 | Dec 2025 | Wind |
| Bulldog | Bulldog Wind Energy, LLC | Orient, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.3 GWh | Sep 2010 | Dec 2025 | Wind |
| Hy-Vee Customer Hosted 2.25MW Solar | Interstate Power and Light Co | Chariton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.3 GWh | Jun 2024 | Dec 2025 | Solar |
| Earl F Wisdom | Corn Belt Power Coop | Spencer, IA | Southwest Power Pool (SWPP) | 4.1 GWh | Mar 1960 | Dec 2025 | Natural Gas : 98.9% |
| Buffalo Center Wind LLC | Buffalo Center Wind LLC | Little Cedar, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.0 GWh | Oct 2011 | Dec 2025 | Wind |
| Cumberland Rose | Cumberland Rose Wind Energy, LLC | Orient, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.0 GWh | Jul 2012 | Dec 2025 | Wind |
| Iowa Distributed Wind Generation Project | City of Algona - (IA) | Algona, IA | Southwest Power Pool (SWPP) | 3.7 GWh | May 2000 | Dec 2025 | Wind |
| Waverly Community Wind Project | Waverly Municipal Elec Utility - (IA) | Waverly, IA | Midcontinent Independent System Operator, Inc. (MISO) | 3.5 GWh | Nov 2001 | Dec 2025 | Wind |
| IA - City of Ames - Airport Road | Forefront Power, LLC | Ames, IA | Midcontinent Independent System Operator, Inc. (MISO) | 3.1 GWh | Nov 2020 | Dec 2024 | Solar |
| Maple City | Altus Power America Management, LLC | Osage Township, IA | Associated Electric Cooperative, Inc. (AECI) | 3.0 GWh | Nov 2022 | Dec 2025 | Solar |
| Ottumwa City of | City of Ottumwa - (IA) | Ottumwa, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.9 GWh | Jul 1931 | Dec 2025 | Water |
| DPC Madison | SoCore Energy LLC | Ridgeway, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.8 GWh | Jan 2019 | Dec 2025 | Solar |
| Eastern Iowa Solar | Central Iowa Power Cooperative | Wilton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.7 GWh | Oct 2016 | Oct 2025 | Solar |
| Merl Parr | MidAmerican Energy Co | Charles City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.6 GWh | Apr 1969 | Dec 2025 | Natural Gas |
| ISU Customer Hosted 1MW Solar Project | Interstate Power and Light Co | Ames, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.5 GWh | Apr 2024 | Dec 2025 | Solar |
| Coralville GT | MidAmerican Energy Co | Coralville, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.5 GWh | May 1970 | Dec 2025 | Natural Gas |
| Windwalkers LLC | RWE Clean Energy | Kensett, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.5 GWh | Aug 2011 | Dec 2025 | Wind |
| Cedar Falls Solar Farm | Altus Power America Management, LLC | Cedar Falls, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.4 GWh | Mar 2016 | Dec 2025 | Solar |
| Meadow Ridge | Meadow Ridge Wind Energy, LLC | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.3 GWh | Jun 2012 | Dec 2025 | Wind |
| Strawberry Point DPC Solar | SoCore Energy LLC | Strawberry Point, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Oct 2017 | Dec 2025 | Solar |
| River Hills | MidAmerican Energy Co | Des Moines, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 GWh | Apr 1966 | Dec 2025 | Natural Gas |
| Bloomfield Municipal Utilities Solar | Onsite Partners, LLC | Bloomfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Mar 2019 | Dec 2024 | Solar |
| POET Biorefining - Gowrie | POET Biorefining - Gowrie | Gowrie, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Oct 2018 | Dec 2025 | Natural Gas |
| Luther College Wind Project | Luther College Wind Energy Project LLC | Decorah, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.9 GWh | Sep 2011 | Dec 2025 | Wind |
| Fareway Customer Hosted 1 MW Solar | Interstate Power and Light Co | Boone, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.9 GWh | Apr 2024 | Dec 2025 | Solar |
| Archer Daniels Midland Des Moines | Archer Daniels Midland Co | Des Moines, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.9 GWh | Apr 1988 | Dec 2024 | Natural Gas |
| Perry Customer Hosted 1MW Solar Project | Interstate Power and Light Co | Perry, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.9 GWh | Jun 2024 | Dec 2025 | Solar |
| Grinnell College | Azimuth 180 Solar Electric, LLC | Grinnell, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 GWh | Mar 2024 | Dec 2024 | Solar |
| Creston School Customer Hosted Solar | Interstate Power and Light Co | Creston, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.4 GWh | Jul 2025 | Dec 2025 | Solar |
| Amana Society Service Company | Amana Society Service Co | Middle Amana, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.4 GWh | Apr 2001 | Dec 2025 | Distillate Fuel Oil |
| Lime Creek | Interstate Power and Light Co | Mason City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.1 GWh | Apr 1991 | Dec 2025 | Distillate Fuel Oil |
| Gas Turbine (IA) | Cedar Falls Utilities | Cedar Falls, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.1 GWh | Dec 1967 | Dec 2025 | Natural Gas |
| New Hampton | City of New Hampton - (IA) | New Hampton, IA | Southwest Power Pool (SWPP) | 920.0 MWh | Mar 1967 | Dec 2025 | Distillate Fuel Oil : 61.4% Natural Gas : 38.6% |
| Douglas (IA) | OneEnergy, Inc. | Riceville, IA | Midcontinent Independent System Operator, Inc. (MISO) | 804.0 MWh | Aug 2025 | Dec 2025 | Solar |
| Mt Pleasant | City of Mt Pleasant - (IA) | Mt Pleasant, IA | Associated Electric Cooperative, Inc. (AECI) | 802.0 MWh | Jan 2002 | Dec 2025 | Distillate Fuel Oil |
| Pella Peaking | City of Pella - (IA) | Pella, IA | Midcontinent Independent System Operator, Inc. (MISO) | 752.0 MWh | May 2003 | Dec 2025 | Distillate Fuel Oil |
| Algona | City of Algona - (IA) | Algona, IA | Southwest Power Pool (SWPP) | 449.0 MWh | Nov 1965 | Dec 2025 | Distillate Fuel Oil : 95.0% Natural Gas : 5.0% |