Directory of Power Plants in Iowa
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Wolverine | Wolverine Wind Energy, LLC | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.0 GWh | Sep 2010 | 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 |
| Greenfield Wind | Greenfield Wind Power, LLC | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.7 GWh | Jul 2012 | Dec 2023 | Wind |
| Sky Volt | Sky Volt, LLC | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.0 GWh | Jul 2012 | Dec 2023 | Wind |
| Arbor Hill Solar | MidAmerican Energy Co | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 42.6 GWh | Dec 2021 | Sep 2024 | Solar |
| Downtown Generation Plant | City of Greenfield - (IA) | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 6.0 MWh | Jun 2020 | Dec 2023 | Distillate Fuel Oil |
| North Generation Plant | City of Greenfield - (IA) | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 45.0 MWh | Dec 2001 | Dec 2023 | Distillate Fuel Oil |
| Arbor Hill Wind Farm | MidAmerican Energy Co | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.1 TWh | Nov 2018 | Sep 2024 | Wind |
| Venus Wind 3 LLC | Venus Wind 3 LLC | Grinnell, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.5 GWh | Feb 2017 | Dec 2023 | Wind |
| 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 |
| Franklin County Solar | MidAmerican Energy Co | Hampton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 13.6 GWh | Dec 2021 | Dec 2023 | Solar |
| 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 |
| Harlan | Harlan Municipal Utilities - (IA) | Harlan, IA | Midcontinent Independent System Operator, Inc. (MISO) | 6.0 MWh | Jun 2001 | Dec 2023 | Distillate Fuel Oil |
| Osceola Windpower LLC | Osceola Windpower LLC | Harris, IA | Southwest Power Pool (SWPP) | 405.8 GWh | Jun 2008 | Sep 2024 | Wind |
| Osceola Windpower II | Osceola Windpower II | Harris, IA | Midcontinent Independent System Operator, Inc. (MISO) | 200.3 GWh | Aug 2008 | Sep 2024 | Wind |
| Hopkinton | City of Hopkinton - (IA) | Hopkinton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 MWh | Aug 1973 | Dec 2023 | Distillate Fuel Oil |
| Michelangelo Wind 1 LLC | Michelangelo Wind 1 LLC | Huxley, IA | Midcontinent Independent System Operator, Inc. (MISO) | 8.6 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 |
| Ida Grove Wind | MidAmerican Energy Co | Ida Grove, IA | Midcontinent Independent System Operator, Inc. (MISO) | 939.8 GWh | Aug 2016 | Dec 2023 | Wind |
| Ida Grove II | MidAmerican Energy Co | Ida Grove, IA | Midcontinent Independent System Operator, Inc. (MISO) | 736.2 GWh | Nov 2019 | Sep 2024 | Wind |
| University of Iowa Main Power Plant | University of Iowa | Iowa City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 3.8 GWh | Dec 1946 | Sep 2024 | Natural Gas : 51.7% Other Biomass Solids : 19.1% Wood/Wood Waste Solids : 18.4% Bituminous Coal : 10.8% |
| Johnson County Hills Solar | MidAmerican Energy Co | Iowa City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.9 GWh | Dec 2021 | Dec 2023 | Solar |
| Franklin County Wind Farm | Interstate Power and Light Co | Iowa Falls, IA | Midcontinent Independent System Operator, Inc. (MISO) | 236.2 GWh | Nov 2012 | Dec 2023 | Wind |
| Whispering Willow Wind Farm - East | Interstate Power and Light Co | Iowa Falls, IA | Midcontinent Independent System Operator, Inc. (MISO) | 459.4 GWh | Nov 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 |
| POET Biorefining - Jewell | POET Biorefining - Jewell | Jewell, IA | Midcontinent Independent System Operator, Inc. (MISO) | 21.3 GWh | Feb 2019 | Dec 2023 | Natural Gas |
| Sycamore (IA) | MidAmerican Energy Co | Johnston, IA | Midcontinent Independent System Operator, Inc. (MISO) | 10.7 GWh | Jul 1974 | Dec 2023 | Natural Gas : 99.7% |
| Old Gold Energy Center, LLC | Old Gold Energy Center, LLC | Joice, IA | Midcontinent Independent System Operator, Inc. (MISO) | 106.8 GWh | Sep 2001 | Dec 2023 | Wind |
| Farmers Electric Cooperative - Kalona | Farmers Electric Coop - (IA) | Kalona, IA | Midcontinent Independent System Operator, Inc. (MISO) | 53.0 MWh | Feb 2001 | Dec 2023 | Distillate Fuel Oil |
| Windwalkers LLC | Consolidated Edison Development Inc. | Kensett, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.4 GWh | Aug 2011 | Dec 2023 | Wind |
| Barton Windpower LLC | Avangrid Renewables LLC | Kensett, IA | Midcontinent Independent System Operator, Inc. (MISO) | 349.7 GWh | May 2009 | Dec 2023 | Wind |
| 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 |
| Northern Iowa Windpower II | Avangrid Renewables LLC | Kensett, IA | Midcontinent Independent System Operator, Inc. (MISO) | 129.1 GWh | Dec 2007 | Dec 2023 | Wind |
| Roquette America | Roquette America | Keokuk, IA | Midcontinent Independent System Operator, Inc. (MISO) | 207.5 GWh | Jun 2004 | Sep 2024 | Natural Gas : 99.3% |
| Keokuk | Union Electric Co - (MO) | Keokuk, IA | Midcontinent Independent System Operator, Inc. (MISO) | 834.9 GWh | Jul 1913 | Dec 2023 | Water |
| Knoxville Industrial | MidAmerican Energy Co | Knoxville, IA | Midcontinent Independent System Operator, Inc. (MISO) | 57.0 MWh | Mar 2000 | Dec 2023 | Distillate Fuel Oil |
| La Porte | La Porte City Utilities | La Porte City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 98.0 MWh | Nov 2000 | Dec 2023 | Distillate Fuel Oil |
| Diamond Trail Wind Farm | MidAmerican Energy Co | Ladora, IA | Midcontinent Independent System Operator, Inc. (MISO) | 853.8 GWh | Nov 2020 | Sep 2024 | Wind |
| 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 |
| Lake Mills | City of Lake Mills | Lake Mills, IA | Midcontinent Independent System Operator, Inc. (MISO) | 32.0 MWh | Dec 1955 | Dec 2023 | Distillate Fuel Oil |
| Flying Cloud Power Partners LLC | Avangrid Renewables LLC | Lake Park, IA | Midcontinent Independent System Operator, Inc. (MISO) | 86.7 GWh | Nov 2003 | Dec 2023 | Wind |
| Lost Lakes Wind Farm LLC | Lost Lakes Wind Farm LLC | Lake Park, IA | Midcontinent Independent System Operator, Inc. (MISO) | 260.8 GWh | Nov 2009 | Dec 2023 | Wind |
| Lake Park | City of Lake Park - (IA) | Lake Park, IA | Midcontinent Independent System Operator, Inc. (MISO) | 46.0 MWh | Mar 2005 | Dec 2023 | Distillate Fuel Oil |
| Ledyard Windpower, LLC | Duke Energy Renewables Services | Lakota, IA | Midcontinent Independent System Operator, Inc. (MISO) | 797.7 GWh | Nov 2022 | Sep 2024 | Wind |
| Lakota Wind Wind Farm | Iowa Lakes Electric Coop | Lakota, IA | Southwest Power Pool (SWPP) | 32.2 GWh | Feb 2009 | Dec 2023 | Wind |
| Lamoni Municipal Utilities | City of Lamoni - (IA) | Lamoni, IA | Midcontinent Independent System Operator, Inc. (MISO) | 135.0 MWh | Feb 1940 | Dec 2023 | Distillate Fuel Oil |
| Lansing | Interstate Power and Light Co | Lansing, IA | Midcontinent Independent System Operator, Inc. (MISO) | 631.5 GWh | Dec 1969 | May 2023 | Subbituminous Coal : 99.7% |
| Whispering Willow North | Interstate Power and Light Co | Latimer, IA | Midcontinent Independent System Operator, Inc. (MISO) | 792.9 GWh | Dec 2019 | Sep 2024 | Wind |
| Laurel Wind Farm | MidAmerican Energy Co | Laurel, IA | Midcontinent Independent System Operator, Inc. (MISO) | 431.3 GWh | Nov 2011 | Dec 2023 | Wind |
| Laurens | City of Laurens - (IA) | Laurens, IA | Southwest Power Pool (SWPP) | 955.0 MWh | Jun 1951 | Dec 2023 | Distillate Fuel Oil |
| Adams Wind | MidAmerican Energy Co | Lenox, IA | Midcontinent Independent System Operator, Inc. (MISO) | 440.1 GWh | Sep 2015 | Dec 2023 | Wind |
| Lenox | City of Lenox - (IA) | Lenox, IA | Midcontinent Independent System Operator, Inc. (MISO) | 12.0 MWh | Aug 1948 | Dec 2023 | Distillate Fuel Oil |
| Saratoga Wind Farm | Madison Gas & Electric Co | Lime Springs, IA | Midcontinent Independent System Operator, Inc. (MISO) | 276.5 GWh | Jan 2019 | Sep 2024 | Wind |
| 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 |
| Kossuth | Wisconsin Power & Light Co | Lu Verne, IA | Midcontinent Independent System Operator, Inc. (MISO) | 537.0 GWh | Sep 2020 | Sep 2024 | Wind |
| Kossuth County Wind | Kossuth County Wind, LLC | Lu Verne, IA | Midcontinent Independent System Operator, Inc. (MISO) | 292.4 GWh | Nov 2022 | Sep 2024 | Wind |
| Macksburg Wind Project | MidAmerican Energy Co | Macksburg, IA | Midcontinent Independent System Operator, Inc. (MISO) | 322.3 GWh | Nov 2014 | Dec 2023 | Wind |
| Independence Wind Farm | Independence Wind Energy LLC | Manchester, IA | Midcontinent Independent System Operator, Inc. (MISO) | 218.4 GWh | Nov 2021 | Sep 2024 | Wind |
| CED Manchester Wind | Consolidated Edison Development Inc. | Manchester, IA | Midcontinent Independent System Operator, Inc. (MISO) | 22.8 GWh | Mar 2022 | 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 |
| Iowa Hydro LLC | Renewable World Energies LLC | Maquoketa, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.6 GWh | Dec 1923 | Sep 2024 | Water |
| Maquoketa 1 | City of Maquoketa - (IA) | Maquoketa, IA | Midcontinent Independent System Operator, Inc. (MISO) | 27.0 MWh | May 1956 | Dec 2023 | Natural Gas : 87.4% Distillate Fuel Oil : 12.6% |
| Alliant SBD 8602 Marion Sub | Industrial Energy Applications Inc | Marion, IA | Midcontinent Independent System Operator, Inc. (MISO) | 14.7 MWh | Jul 1986 | Dec 2023 | Distillate Fuel Oil |
| Alliant SBD 9107 JBS USA | Industrial Energy Applications Inc | Marshalltown, IA | Midcontinent Independent System Operator, Inc. (MISO) | 34.3 MWh | Jul 1992 | Sep 2024 | Distillate Fuel Oil |
| Marshalltown | Interstate Power and Light Co | Marshalltown, IA | Midcontinent Independent System Operator, Inc. (MISO) | 122.1 GWh | May 1978 | Dec 2023 | Natural Gas |
| Vienna Wind Farm | MidAmerican Energy Co | Marshalltown, IA | Midcontinent Independent System Operator, Inc. (MISO) | 403.3 GWh | Oct 2012 | Dec 2023 | Wind |
| Marshalltown Generating Station | Interstate Power and Light Co | Marshalltown, IA | Midcontinent Independent System Operator, Inc. (MISO) | 3.3 TWh | Mar 2017 | Sep 2024 | Natural Gas |
| 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 |
| 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 |
| Rolling Hills Wind Farm | MidAmerican Energy Co | Massena, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 TWh | Nov 2011 | Sep 2024 | Wind |
| McGregor | City of McGregor- (IA) | McGregor, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.0 MWh | Nov 1941 | Dec 2023 | Distillate Fuel Oil |
| Pioneer Prairie Wind Farm | Pioneer Prairie Wind Farm I, LLC | McIntire, IA | Midcontinent Independent System Operator, Inc. (MISO) | 834.2 GWh | Sep 2008 | Sep 2024 | Wind |
| Anchor Wind, LLC | Acciona Energy USA Global, LLC | Mechanicsville, IA | Midcontinent Independent System Operator, Inc. (MISO) | 7.8 GWh | Sep 2012 | Dec 2023 | Wind |
| Heartland Divide Wind Project, LLC | Heartland Divide Wind Project, LLC | Melville, IA | Midcontinent Independent System Operator, Inc. (MISO) | 429.2 GWh | Nov 2018 | Sep 2024 | Wind |
| 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 |
| Milford | City of Milford - (IA) | Milford, IA | Southwest Power Pool (SWPP) | 616.0 MWh | Dec 1948 | Dec 2023 | Distillate Fuel Oil |
| Metro Methane Recovery Facility | WM Renewable Energy LLC | Mitchellville, IA | Midcontinent Independent System Operator, Inc. (MISO) | 79.1 GWh | Dec 1997 | Sep 2024 | Landfill Gas |
| North English | MidAmerican Energy Co | Montezuma, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.4 TWh | Nov 2018 | Sep 2024 | Wind |
| Prairie Wind Farm | MidAmerican Energy Co | Montezuma, IA | Midcontinent Independent System Operator, Inc. (MISO) | 587.3 GWh | Dec 2017 | Sep 2024 | Wind |
| English Farms | Interstate Power and Light Co | Montezuma, IA | Midcontinent Independent System Operator, Inc. (MISO) | 581.3 GWh | Feb 2019 | Sep 2024 | Wind |
| Montezuma | City of Montezuma - (IA) | Montezuma, IA | Midcontinent Independent System Operator, Inc. (MISO) | 138.0 MWh | Jul 1940 | Dec 2023 | Distillate Fuel Oil : 65.1% Natural Gas : 34.9% |
| Mt Pleasant | City of Mt Pleasant - (IA) | Mt Pleasant, IA | Associated Electric Cooperative, Inc. (AECI) | 59.0 MWh | Jan 2002 | Dec 2023 | Distillate Fuel Oil |
| Louisa | MidAmerican Energy Co | Muscatine, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.6 TWh | Sep 1983 | Sep 2024 | Subbituminous Coal : 98.6% Natural Gas : 1.4% |
| Muscatine Plant #1 | Board of Water Electric & Communications | Muscatine, IA | Midcontinent Independent System Operator, Inc. (MISO) | 519.3 GWh | Mar 1958 | Sep 2024 | Subbituminous Coal : 99.8% |
| Optimum Wind 3 LLC | Optimum Wind 3 LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 7.1 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 7 LLC | Optimum Wind 7 LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 10.1 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 |
| Optimum Wind 6 LLC | Optimum Wind 6 LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 9.2 GWh | Feb 2017 | Dec 2023 | 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% |
| Chickasaw Wind Farm | MidAmerican Energy Co | New Hampton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 412.9 GWh | Nov 2023 | Sep 2024 | Wind |
| NLMU Wind | New London Municipal Utilities | New London, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.7 GWh | Oct 2011 | Dec 2023 | Wind |
| Richland | Interstate Power and Light Co | Odebolt, IA | Midcontinent Independent System Operator, Inc. (MISO) | 520.1 GWh | Aug 2020 | Sep 2024 | Wind |
| Ogden | City of Ogden - (IA) | Ogden, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.0 MWh | Jun 1951 | Dec 2023 | Distillate Fuel Oil |
| Beaver Creek Wind | MidAmerican Energy Co | Ogden, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.4 TWh | Nov 2017 | Sep 2024 | Wind |
| Bulldog | Bulldog Wind Energy, LLC | Orient, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.2 GWh | Sep 2010 | 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 |
| Orient Wind Farm | MidAmerican Energy Co | Orient, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 TWh | Nov 2018 | Sep 2024 | Wind |
| Maple City | Greenbacker Renewable Energy Corporation | Osage Township, IA | Associated Electric Cooperative, Inc. (AECI) | 2.9 GWh | Nov 2022 | Dec 2023 | Solar |
| 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% |