Directory of Power Plants in Iowa
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Graettinger | City of Graettinger - (IA) | Graettinger, IA | Midcontinent Independent System Operator, Inc. (MISO) | 59.0 MWh | Jul 1957 | Dec 2024 | Distillate Fuel Oil |
| Grand Junction | City of Grand Junction - (IA) | Grand Junction, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.0 MWh | Nov 1994 | Dec 2024 | Distillate Fuel Oil |
| Great Pathfinder Wind | Great Pathfinder Wind | Stratford, IA | Midcontinent Independent System Operator, Inc. (MISO) | 782.7 GWh | Jan 2023 | Sep 2025 | Wind |
| Greater Des Moines | MidAmerican Energy Co | Pleasant Hill, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.2 TWh | Apr 2003 | Dec 2024 | Natural Gas |
| Green Energy Machine | Green Energy Machine, LLC | Anita, IA | Midcontinent Independent System Operator, Inc. (MISO) | 6.7 GWh | May 2016 | Dec 2024 | Wind |
| Greenfield Wind | Greenfield Wind Power, LLC | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.3 GWh | Jul 2012 | Dec 2024 | Wind |
| Grinnell College | Azimuth 180 Solar Electric, LLC | Grinnell, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 GWh | Mar 2024 | Dec 2024 | Solar |
| Hancock County Wind Energy Center | FPL Energy Hancock County Wind, LLC | Garner, IA | Midcontinent Independent System Operator, Inc. (MISO) | 251.5 GWh | Nov 2002 | Sep 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 |
| Harlan | Harlan Municipal Utilities - (IA) | Harlan, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 MWh | Jun 2001 | Dec 2024 | Distillate Fuel Oil |
| Hawkeye Power Partners LLC | Hawkeye Power Partners LLC | Garner, IA | Midcontinent Independent System Operator, Inc. (MISO) | 176.1 GWh | Mar 1999 | Dec 2024 | Wind |
| Hawkeye Wind Farm | Greenbacker Renewable Energy Corporation | Sumner, IA | Midcontinent Independent System Operator, Inc. (MISO) | 173.3 GWh | Sep 2012 | Dec 2024 | Wind |
| Heartland Divide II | Heartland Divide II | Audubon, IA | Midcontinent Independent System Operator, Inc. (MISO) | 790.3 GWh | Feb 2022 | Sep 2025 | Wind |
| Heartland Divide Wind Project, LLC | Heartland Divide Wind Project, LLC | Melville, IA | Midcontinent Independent System Operator, Inc. (MISO) | 424.1 GWh | Nov 2018 | Sep 2025 | Wind |
| Highland Wind Project (IA) | MidAmerican Energy Co | Primghar, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 TWh | May 2015 | Sep 2025 | Wind |
| Holliday Creek Solar | MidAmerican Energy Co | Fort Dodge, IA | Midcontinent Independent System Operator, Inc. (MISO) | 208.6 GWh | Jun 2022 | Sep 2025 | Solar |
| Hopkinton | City of Hopkinton - (IA) | Hopkinton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 11.0 MWh | Aug 1973 | Dec 2024 | Distillate Fuel Oil |
| Hy-Vee Customer Hosted 2.25MW Solar | Interstate Power and Light Co | Chariton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.5 GWh | Jun 2024 | Dec 2024 | Solar |
| 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 |
| Ida Grove II | MidAmerican Energy Co | Ida Grove, IA | Midcontinent Independent System Operator, Inc. (MISO) | 711.5 GWh | Nov 2019 | Sep 2025 | Wind |
| Ida Grove Wind | MidAmerican Energy Co | Ida Grove, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.1 TWh | Aug 2016 | Dec 2024 | Wind |
| Independence Wind Farm | Independence Wind Energy LLC | Manchester, IA | Midcontinent Independent System Operator, Inc. (MISO) | 210.9 GWh | Nov 2021 | Sep 2025 | Wind |
| Indianola | Indianola Municipal Utilities | Indianola, IA | Midcontinent Independent System Operator, Inc. (MISO) | 446.0 MWh | Dec 1965 | Dec 2024 | Distillate Fuel Oil |
| Intrepid | MidAmerican Energy Co | Schaller, IA | Midcontinent Independent System Operator, Inc. (MISO) | 549.4 GWh | Nov 2004 | Dec 2024 | Wind |
| Iowa Distributed Wind Generation Project | City of Algona - (IA) | Algona, IA | Southwest Power Pool (SWPP) | 4.6 GWh | May 2000 | Dec 2024 | Wind |
| Iowa Hydro LLC | Renewable World Energies LLC | Maquoketa, IA | Midcontinent Independent System Operator, Inc. (MISO) | 6.0 GWh | Dec 1923 | Sep 2025 | Water |
| Iowa Lakes Community College Wind Farm | Iowa Lakes Community College | Estherville, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | Jan 2005 | Sep 2025 | Wind |
| Iowa Lakes Superior Wind Farm | Iowa Lakes Electric Coop | Superior, IA | Southwest Power Pool (SWPP) | 36.0 GWh | Mar 2009 | Dec 2024 | Wind |
| Iowa State University | Iowa State University | Ames, IA | Midcontinent Independent System Operator, Inc. (MISO) | 80.9 GWh | Sep 1960 | Sep 2025 | Natural Gas |
| ISU Customer Hosted 1MW Solar Project | Interstate Power and Light Co | Ames, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 GWh | Apr 2024 | Dec 2024 | Solar |
| Ivester Wind Farm | MidAmerican Energy Co | Wellsburg, IA | Midcontinent Independent System Operator, Inc. (MISO) | 329.4 GWh | Nov 2018 | Sep 2025 | Wind |
| John Deere Dubuque Works | John Deere Dubuque Works | Dubuque, IA | Midcontinent Independent System Operator, Inc. (MISO) | 47.0 MWh | May 1994 | Aug 2025 | Distillate Fuel Oil |
| Johnson County Hills Solar | MidAmerican Energy Co | Iowa City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.6 GWh | Dec 2021 | Dec 2024 | Solar |
| Junction Hilltop Wind Farm | Junction Hilltop Management LLC | Dana, IA | Midcontinent Independent System Operator, Inc. (MISO) | 25.4 GWh | Feb 2012 | Dec 2024 | Wind |
| Keokuk | Union Electric Co - (MO) | Keokuk, IA | Midcontinent Independent System Operator, Inc. (MISO) | 888.3 GWh | Jul 1913 | Dec 2024 | Water |
| Kirkwood Wind Turbine | Kirkwood Community College | Cedar Rapids, IA | Midcontinent Independent System Operator, Inc. (MISO) | 223.0 MWh | Jan 2012 | Dec 2023 | Wind |
| Knoxville Industrial | MidAmerican Energy Co | Knoxville, IA | Midcontinent Independent System Operator, Inc. (MISO) | 39.0 MWh | Mar 2000 | Dec 2024 | Distillate Fuel Oil |
| Kossuth | Wisconsin Power & Light Co | Lu Verne, IA | Midcontinent Independent System Operator, Inc. (MISO) | 523.0 GWh | Sep 2020 | Sep 2025 | Wind |
| Kossuth County Wind | Kossuth County Wind, LLC | Lu Verne, IA | Midcontinent Independent System Operator, Inc. (MISO) | 278.8 GWh | Nov 2022 | Sep 2025 | Wind |
| La Porte | La Porte City Utilities | La Porte City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 30.0 MWh | Nov 2000 | Dec 2024 | Distillate Fuel Oil |
| Lake Mills | City of Lake Mills | Lake Mills, IA | Midcontinent Independent System Operator, Inc. (MISO) | 38.0 MWh | Dec 1955 | Dec 2024 | Distillate Fuel Oil |
| Lake Mills Gas Recovery | WM Renewable Energy LLC | Lake Mills, IA | Midcontinent Independent System Operator, Inc. (MISO) | 24.8 GWh | Feb 2006 | Dec 2024 | Landfill Gas |
| Lake Park | City of Lake Park - (IA) | Lake Park, IA | Midcontinent Independent System Operator, Inc. (MISO) | 46.0 MWh | Mar 2005 | Dec 2024 | Distillate Fuel Oil |
| Lakota Wind Wind Farm | Iowa Lakes Electric Coop | Lakota, IA | Southwest Power Pool (SWPP) | 34.7 GWh | Feb 2009 | Dec 2024 | Wind |
| Lamoni Municipal Utilities | City of Lamoni - (IA) | Lamoni, IA | Midcontinent Independent System Operator, Inc. (MISO) | 86.0 MWh | Feb 1940 | Dec 2024 | Distillate Fuel Oil |
| Laurel Wind Farm | MidAmerican Energy Co | Laurel, IA | Midcontinent Independent System Operator, Inc. (MISO) | 463.1 GWh | Nov 2011 | Dec 2024 | Wind |
| Laurens | City of Laurens - (IA) | Laurens, IA | Southwest Power Pool (SWPP) | 257.0 MWh | Jun 1951 | Dec 2024 | Distillate Fuel Oil |
| Ledyard Windpower, LLC | Duke Energy Renewables Services | Lakota, IA | Midcontinent Independent System Operator, Inc. (MISO) | 668.2 GWh | Nov 2022 | Sep 2025 | Wind |
| Lenox | City of Lenox - (IA) | Lenox, IA | Midcontinent Independent System Operator, Inc. (MISO) | 39.0 MWh | Aug 1948 | Dec 2024 | Distillate Fuel Oil |
| Leonardo Wind 1 LLC | Leonardo Wind 1 LLC | Alden, IA | Midcontinent Independent System Operator, Inc. (MISO) | 10.0 GWh | Nov 2016 | Dec 2024 | Wind |
| Lime Creek | Interstate Power and Light Co | Mason City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 115.0 MWh | Apr 1991 | Aug 2024 | Distillate Fuel Oil |
| Lost Lakes Wind Farm LLC | Lost Lakes Wind Farm LLC | Lake Park, IA | Midcontinent Independent System Operator, Inc. (MISO) | 243.7 GWh | Nov 2009 | Dec 2024 | Wind |
| Louisa | MidAmerican Energy Co | Muscatine, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.2 TWh | Sep 1983 | Sep 2025 | Subbituminous Coal : 99.2% Natural Gas : 0.8% |
| Lundgren Wind Project | MidAmerican Energy Co | Otho, IA | Midcontinent Independent System Operator, Inc. (MISO) | 804.2 GWh | Jul 2014 | Dec 2024 | Wind |
| Luther College Wind Project | Luther College Wind Energy Project LLC | Decorah, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.7 GWh | Sep 2011 | Dec 2024 | Wind |
| Macksburg Wind Project | MidAmerican Energy Co | Macksburg, IA | Midcontinent Independent System Operator, Inc. (MISO) | 329.9 GWh | Nov 2014 | Dec 2024 | Wind |
| Maple City | Greenbacker Renewable Energy Corporation | Osage Township, IA | Associated Electric Cooperative, Inc. (AECI) | 3.1 GWh | Nov 2022 | Dec 2024 | Solar |
| Marshalltown | Interstate Power and Light Co | Marshalltown, IA | Midcontinent Independent System Operator, Inc. (MISO) | 79.0 GWh | May 1978 | Dec 2024 | Natural Gas |
| Marshalltown Generating Station | Interstate Power and Light Co | Marshalltown, IA | Midcontinent Independent System Operator, Inc. (MISO) | 3.4 TWh | Mar 2017 | Sep 2025 | Natural Gas : 99.9% |
| McGregor | City of McGregor- (IA) | McGregor, IA | Midcontinent Independent System Operator, Inc. (MISO) | 7.0 MWh | Nov 1941 | Dec 2024 | Distillate Fuel Oil |
| Meadow Ridge | Meadow Ridge Wind Energy, LLC | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.3 GWh | Jun 2012 | Dec 2024 | Wind |
| Merl Parr | MidAmerican Energy Co | Charles City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 432.0 MWh | Apr 1969 | Dec 2024 | Natural Gas |
| Metro Methane Recovery Facility | WM Renewable Energy LLC | Mitchellville, IA | Midcontinent Independent System Operator, Inc. (MISO) | 80.3 GWh | Dec 1997 | Sep 2025 | Landfill Gas |
| Michelangelo Wind 1 LLC | Michelangelo Wind 1 LLC | Huxley, IA | Midcontinent Independent System Operator, Inc. (MISO) | 7.9 GWh | Feb 2017 | Dec 2024 | Wind |
| Michelangelo Wind 3 LLC | Michelangelo Wind 3 LLC | Huxley, IA | Midcontinent Independent System Operator, Inc. (MISO) | 8.6 GWh | Jan 2017 | Dec 2024 | Wind |
| Michelangelo Wind 4 LLC | Michelangelo Wind 4 LLC | Ames, IA | Midcontinent Independent System Operator, Inc. (MISO) | 10.4 GWh | Nov 2016 | Dec 2024 | Wind |
| Milford | City of Milford - (IA) | Milford, IA | Southwest Power Pool (SWPP) | 283.0 MWh | Dec 1948 | Dec 2024 | Distillate Fuel Oil |
| Montezuma | City of Montezuma - (IA) | Montezuma, IA | Midcontinent Independent System Operator, Inc. (MISO) | 119.0 MWh | Jul 1940 | Dec 2024 | Distillate Fuel Oil : 63.8% Natural Gas : 36.2% |
| Morning Light Wind Farm | MidAmerican Energy Co | Adair, IA | Midcontinent Independent System Operator, Inc. (MISO) | 413.3 GWh | Sep 2012 | Dec 2024 | Wind |
| Mt Pleasant | City of Mt Pleasant - (IA) | Mt Pleasant, IA | Associated Electric Cooperative, Inc. (AECI) | 33.0 MWh | Jan 2002 | Dec 2024 | Distillate Fuel Oil |
| Muscatine Plant #1 | Board of Water Electric & Communications | Muscatine, IA | Midcontinent Independent System Operator, Inc. (MISO) | 723.7 GWh | Mar 1958 | Sep 2025 | Subbituminous Coal : 99.7% |
| NCAH Central Utility Plant | National Centers for Animal Health | Ames, IA | Midcontinent Independent System Operator, Inc. (MISO) | 3.3 GWh | May 1996 | Aug 2025 | Natural Gas : 96.9% Distillate Fuel Oil : 3.1% |
| Neal Energy Center Solar | MidAmerican Energy Co | Salix, IA | Midcontinent Independent System Operator, Inc. (MISO) | 7.4 GWh | Jan 2022 | Dec 2024 | Solar |
| New Hampton | City of New Hampton - (IA) | New Hampton, IA | Southwest Power Pool (SWPP) | 676.0 MWh | Mar 1967 | Dec 2024 | Distillate Fuel Oil : 61.8% Natural Gas : 38.2% |
| New Harvest Wind Project LLC | Avangrid Power LLC | Schleswig, IA | Midcontinent Independent System Operator, Inc. (MISO) | 287.5 GWh | Nov 2011 | Dec 2024 | Wind |
| NLMU Wind | New London Municipal Utilities | New London, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.3 GWh | Oct 2011 | Dec 2024 | Wind |
| North English | MidAmerican Energy Co | Montezuma, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.3 TWh | Nov 2018 | Sep 2025 | Wind |
| North Generation Plant | City of Greenfield - (IA) | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 105.0 MWh | Dec 2001 | Dec 2024 | Distillate Fuel Oil |
| Northern Iowa Windpower II | Avangrid Power LLC | Kensett, IA | Midcontinent Independent System Operator, Inc. (MISO) | 130.2 GWh | Dec 2007 | Dec 2024 | Wind |
| O'Brien Wind | MidAmerican Energy Co | Primghar, IA | Midcontinent Independent System Operator, Inc. (MISO) | 875.9 GWh | Aug 2016 | Dec 2024 | Wind |
| Ogden | City of Ogden - (IA) | Ogden, IA | Midcontinent Independent System Operator, Inc. (MISO) | 10.0 MWh | Jun 1951 | Dec 2024 | Distillate Fuel Oil |
| Old Gold Energy Center, LLC | Old Gold Energy Center, LLC | Joice, IA | Midcontinent Independent System Operator, Inc. (MISO) | 78.4 GWh | Sep 2001 | Dec 2024 | Wind |
| Optimum Wind 3 LLC | Optimum Wind 3 LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 10.4 GWh | Feb 2017 | Dec 2024 | Wind |
| Optimum Wind 4 LLC | Optimum Wind 4 LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 10.5 GWh | Feb 2017 | Dec 2024 | Wind |
| Optimum Wind 5 LLC | Optimum Wind 5 LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 9.0 GWh | Feb 2017 | Dec 2024 | Wind |
| Optimum Wind 6 LLC | Optimum Wind 6 LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 8.7 GWh | Feb 2017 | Dec 2024 | Wind |
| Optimum Wind 7 LLC | Optimum Wind 7 LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 11.0 GWh | Feb 2017 | Dec 2024 | Wind |
| Orient Wind Farm | MidAmerican Energy Co | Orient, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 TWh | Nov 2018 | Sep 2025 | Wind |
| Osage (IA) | City of Osage - (IA) | Osage, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.6 GWh | Aug 1963 | Dec 2024 | Wind : 81.2% Solar : 18.8% |
| Osceola Windpower II | Osceola Windpower II | Harris, IA | Midcontinent Independent System Operator, Inc. (MISO) | 196.9 GWh | Aug 2008 | Sep 2025 | Wind |
| Osceola Windpower LLC | Osceola Windpower LLC | Harris, IA | Southwest Power Pool (SWPP) | 386.7 GWh | Jun 2008 | Sep 2025 | Wind |
| Otter Creek Ethanol Poet - Ashton | Otter Creek Ethanol LLC - Poet Ashton | Ashton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 43.5 GWh | Feb 2004 | Sep 2025 | Natural Gas |
| Ottumwa | Interstate Power and Light Co | Ottumwa, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.9 TWh | Apr 1981 | Sep 2025 | Subbituminous Coal : 99.7% |
| Ottumwa City of | Ottumwa City of | Ottumwa, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.5 GWh | Jul 1931 | Apr 2024 | Water |
| Palo Alto Wind Farm | MidAmerican Energy Co | Emmetsburg, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.4 TWh | Dec 2019 | Sep 2025 | Wind |
| Panora | City of Panora - (IA) | Panora, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.0 MWh | Dec 1987 | Dec 2024 | Distillate Fuel Oil |
| Pella Peaking | City of Pella - (IA) | Pella, IA | Midcontinent Independent System Operator, Inc. (MISO) | 227.0 MWh | May 2003 | Dec 2024 | Distillate Fuel Oil |
| Perry Customer Hosted 1MW Solar Project | Interstate Power and Light Co | Perry, IA | Midcontinent Independent System Operator, Inc. (MISO) | 739.0 MWh | Jun 2024 | Dec 2024 | Solar |
| Pioneer Prairie Wind Farm | Pioneer Prairie Wind Farm I, LLC | McIntire, IA | Midcontinent Independent System Operator, Inc. (MISO) | 864.6 GWh | Sep 2008 | Sep 2025 | Wind |
| Pleasant Creek Unit 1 | Interstate Power and Light Co | Palo, IA | Midcontinent Independent System Operator, Inc. (MISO) | 98.2 GWh | Feb 2024 | Sep 2025 | Solar |