Directory of Power Plants in Iowa
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Hancock County Wind Energy Center | FPL Energy Hancock County Wind, LLC | Garner, IA | Midcontinent Independent System Operator, Inc. (MISO) | 255.5 GWh | Nov 2002 | Dec 2025 | Wind |
| Gowrie | Gowrie Municipal Utilities | Gowrie, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.0 MWh | Dec 2012 | Dec 2024 | Distillate Fuel Oil |
| POET Biorefining - Gowrie | POET Biorefining - Gowrie | Gowrie, IA | Midcontinent Independent System Operator, Inc. (MISO) | 20.9 GWh | Oct 2018 | Dec 2024 | Natural Gas |
| 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 |
| Rippey Wind Farm | Greenbacker Renewable Energy Corporation | Grand Junction, IA | Midcontinent Independent System Operator, Inc. (MISO) | 154.4 GWh | Jul 2012 | Dec 2024 | Wind |
| Elk Wind Farm | Greenbacker Renewable Energy Corporation | Greeley, IA | Midcontinent Independent System Operator, Inc. (MISO) | 178.3 GWh | Nov 2011 | Dec 2024 | Wind |
| Wolverine | Wolverine Wind Energy, LLC | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.9 GWh | Sep 2010 | Dec 2024 | Wind |
| Sky Volt | Sky Volt, LLC | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.1 GWh | Jul 2012 | Dec 2024 | Wind |
| Arbor Hill Solar | MidAmerican Energy Co | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 45.1 GWh | Dec 2021 | Dec 2025 | Solar |
| Arbor Hill Wind Farm | MidAmerican Energy Co | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.1 TWh | Nov 2018 | Dec 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 |
| Downtown Generation Plant | City of Greenfield - (IA) | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 58.0 MWh | Jun 2020 | Dec 2024 | Distillate Fuel Oil |
| Greenfield Wind | Greenfield Wind Power, LLC | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.3 GWh | Jul 2012 | Dec 2024 | Wind |
| Meadow Ridge | Meadow Ridge Wind Energy, LLC | Greenfield, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.3 GWh | Jun 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 |
| Venus Wind 3 LLC | Venus Wind 3 LLC | Grinnell, IA | Midcontinent Independent System Operator, Inc. (MISO) | 10.3 GWh | Feb 2017 | Dec 2024 | Wind |
| Franklin County Solar | MidAmerican Energy Co | Hampton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 11.7 GWh | Dec 2021 | Dec 2024 | Solar |
| POET Biorefining-Hanlontown, LLC | POET Biorefining-Hanlontown, LLC | Hanlontown, IA | Midcontinent Independent System Operator, Inc. (MISO) | 12.2 GWh | Dec 2018 | Dec 2024 | Natural Gas |
| Harlan | Harlan Municipal Utilities - (IA) | Harlan, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 MWh | Jun 2001 | Dec 2024 | Distillate Fuel Oil |
| Osceola Windpower LLC | Osceola Windpower LLC | Harris, IA | Southwest Power Pool (SWPP) | 393.8 GWh | Jun 2008 | Dec 2025 | Wind |
| Osceola Windpower II | Osceola Windpower II | Harris, IA | Midcontinent Independent System Operator, Inc. (MISO) | 200.3 GWh | Aug 2008 | Dec 2025 | Wind |
| Hopkinton | City of Hopkinton - (IA) | Hopkinton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 11.0 MWh | Aug 1973 | Dec 2024 | Distillate Fuel Oil |
| 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 1 LLC | Michelangelo Wind 1 LLC | Huxley, IA | Midcontinent Independent System Operator, Inc. (MISO) | 7.9 GWh | Feb 2017 | Dec 2024 | Wind |
| Ida Grove II | MidAmerican Energy Co | Ida Grove, IA | Midcontinent Independent System Operator, Inc. (MISO) | 726.6 GWh | Nov 2019 | Dec 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 |
| Indianola | Indianola Municipal Utilities | Indianola, IA | Midcontinent Independent System Operator, Inc. (MISO) | 446.0 MWh | Dec 1965 | Dec 2024 | 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 |
| 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% |
| Franklin County Wind Farm | Interstate Power and Light Co | Iowa Falls, IA | Midcontinent Independent System Operator, Inc. (MISO) | 190.7 GWh | Nov 2012 | Dec 2024 | Wind |
| Whispering Willow Wind Farm - East | Interstate Power and Light Co | Iowa Falls, IA | Midcontinent Independent System Operator, Inc. (MISO) | 425.2 GWh | Nov 2009 | Dec 2024 | 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 |
| POET Biorefining - Jewell | POET Biorefining - Jewell | Jewell, IA | Midcontinent Independent System Operator, Inc. (MISO) | 21.7 GWh | Feb 2019 | Dec 2024 | Natural Gas |
| Sycamore (IA) | MidAmerican Energy Co | Johnston, IA | Midcontinent Independent System Operator, Inc. (MISO) | 9.5 GWh | Jul 1974 | Dec 2024 | Natural Gas |
| 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 |
| Farmers Electric Cooperative - Kalona | Farmers Electric Coop - (IA) | Kalona, IA | Midcontinent Independent System Operator, Inc. (MISO) | 83.0 MWh | Feb 2001 | Dec 2024 | Distillate Fuel Oil |
| Windwalkers LLC | Consolidated Edison Development Inc. | Kensett, IA | Midcontinent Independent System Operator, Inc. (MISO) | 3.2 GWh | Aug 2011 | Oct 2024 | Wind |
| Top of Iowa Windfarm III | Madison Gas & Electric Co | Kensett, IA | Midcontinent Independent System Operator, Inc. (MISO) | 43.8 GWh | Jan 2008 | Dec 2024 | Wind |
| Barton Windpower LLC | Avangrid Power LLC | Kensett, IA | Midcontinent Independent System Operator, Inc. (MISO) | 360.9 GWh | May 2009 | Dec 2024 | Wind |
| Northern Iowa Windpower II | Avangrid Power LLC | Kensett, IA | Midcontinent Independent System Operator, Inc. (MISO) | 130.2 GWh | Dec 2007 | Dec 2024 | Wind |
| Roquette America | Roquette America | Keokuk, IA | Midcontinent Independent System Operator, Inc. (MISO) | 207.4 GWh | Jun 2004 | Dec 2025 | Natural Gas |
| Keokuk | Union Electric Co - (MO) | Keokuk, IA | Midcontinent Independent System Operator, Inc. (MISO) | 888.3 GWh | Jul 1913 | Dec 2024 | Water |
| Knoxville Industrial | MidAmerican Energy Co | Knoxville, IA | Midcontinent Independent System Operator, Inc. (MISO) | 39.0 MWh | Mar 2000 | Dec 2024 | Distillate Fuel Oil |
| 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 |
| Diamond Trail Wind Farm | MidAmerican Energy Co | Ladora, IA | Midcontinent Independent System Operator, Inc. (MISO) | 862.9 GWh | Nov 2020 | Dec 2025 | Wind |
| 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 |
| 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 |
| Flying Cloud Power Partners LLC | Avangrid Power LLC | Lake Park, IA | Midcontinent Independent System Operator, Inc. (MISO) | 81.0 GWh | Nov 2003 | Dec 2024 | Wind |
| 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 |
| Ledyard Windpower, LLC | Duke Energy Renewables Services | Lakota, IA | Midcontinent Independent System Operator, Inc. (MISO) | 595.9 GWh | Nov 2022 | Dec 2025 | 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 |
| Whispering Willow North | Interstate Power and Light Co | Latimer, IA | Midcontinent Independent System Operator, Inc. (MISO) | 733.9 GWh | Dec 2019 | Dec 2025 | Wind |
| 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 |
| Lenox | City of Lenox - (IA) | Lenox, IA | Midcontinent Independent System Operator, Inc. (MISO) | 39.0 MWh | Aug 1948 | Dec 2024 | Distillate Fuel Oil |
| Adams Wind | MidAmerican Energy Co | Lenox, IA | Midcontinent Independent System Operator, Inc. (MISO) | 474.5 GWh | Sep 2015 | Dec 2024 | Wind |
| Saratoga Wind Farm | Madison Gas & Electric Co | Lime Springs, IA | Midcontinent Independent System Operator, Inc. (MISO) | 270.2 GWh | Jan 2019 | Dec 2025 | Wind |
| Buffalo Center Wind LLC | Buffalo Center Wind LLC | Little Cedar, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.8 GWh | Oct 2011 | Dec 2024 | Wind |
| Kossuth | Wisconsin Power & Light Co | Lu Verne, IA | Midcontinent Independent System Operator, Inc. (MISO) | 532.5 GWh | Sep 2020 | Dec 2025 | Wind |
| Kossuth County Wind | Kossuth County Wind, LLC | Lu Verne, IA | Midcontinent Independent System Operator, Inc. (MISO) | 283.2 GWh | Nov 2022 | Dec 2025 | Wind |
| Macksburg Wind Project | MidAmerican Energy Co | Macksburg, IA | Midcontinent Independent System Operator, Inc. (MISO) | 329.9 GWh | Nov 2014 | Dec 2024 | Wind |
| CED Manchester Wind | Consolidated Edison Development Inc. | Manchester, IA | Midcontinent Independent System Operator, Inc. (MISO) | 31.0 GWh | Mar 2022 | Dec 2024 | Wind |
| Independence Wind Farm | Independence Wind Energy LLC | Manchester, IA | Midcontinent Independent System Operator, Inc. (MISO) | 211.5 GWh | Nov 2021 | Dec 2025 | Wind |
| Roeder Family Wind Farm LLC | Consolidated Edison Development Inc. | Manly, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.1 GWh | Aug 2011 | Dec 2024 | Wind |
| Iowa Hydro LLC | Renewable World Energies LLC | Maquoketa, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.8 GWh | Dec 1923 | Dec 2025 | Water |
| Alliant SBD 8602 Marion Sub | Industrial Energy Applications Inc | Marion, IA | Midcontinent Independent System Operator, Inc. (MISO) | 18.6 MWh | Jul 1986 | Dec 2024 | Distillate Fuel Oil |
| Marshalltown Generating Station | Interstate Power and Light Co | Marshalltown, IA | Midcontinent Independent System Operator, Inc. (MISO) | 3.2 TWh | Mar 2017 | Dec 2025 | Natural Gas : 99.9% |
| Alliant SBD 9107 JBS USA | Industrial Energy Applications Inc | Marshalltown, IA | Midcontinent Independent System Operator, Inc. (MISO) | 61.7 MWh | Jul 1992 | Dec 2025 | Distillate Fuel Oil |
| Vienna Wind Farm | MidAmerican Energy Co | Marshalltown, IA | Midcontinent Independent System Operator, Inc. (MISO) | 397.6 GWh | Oct 2012 | Dec 2024 | Wind |
| Marshalltown | Interstate Power and Light Co | Marshalltown, IA | Midcontinent Independent System Operator, Inc. (MISO) | 79.0 GWh | May 1978 | Dec 2024 | Natural Gas |
| CED Mason City Wind | Consolidated Edison Development Inc. | Mason City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 23.9 GWh | Apr 2020 | 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 |
| Rolling Hills Wind Farm | MidAmerican Energy Co | Massena, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 TWh | Nov 2011 | Dec 2025 | Wind |
| McGregor | City of McGregor- (IA) | McGregor, IA | Midcontinent Independent System Operator, Inc. (MISO) | 7.0 MWh | Nov 1941 | Dec 2024 | Distillate Fuel Oil |
| Pioneer Prairie Wind Farm | Pioneer Prairie Wind Farm I, LLC | McIntire, IA | Midcontinent Independent System Operator, Inc. (MISO) | 859.1 GWh | Sep 2008 | Dec 2025 | Wind |
| Anchor Wind, LLC | Acciona Energy USA Global, LLC | Mechanicsville, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.9 GWh | Sep 2012 | May 2024 | Wind |
| Heartland Divide Wind Project, LLC | Heartland Divide Wind Project, LLC | Melville, IA | Midcontinent Independent System Operator, Inc. (MISO) | 425.8 GWh | Nov 2018 | Dec 2025 | Wind |
| Amana Society Service Company | Amana Society Service Co | Middle Amana, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.0 GWh | Apr 2001 | Dec 2024 | Distillate Fuel Oil |
| Milford | City of Milford - (IA) | Milford, IA | Southwest Power Pool (SWPP) | 283.0 MWh | Dec 1948 | Dec 2024 | Distillate Fuel Oil |
| Metro Methane Recovery Facility | WM Renewable Energy LLC | Mitchellville, IA | Midcontinent Independent System Operator, Inc. (MISO) | 83.0 GWh | Dec 1997 | Dec 2025 | Landfill Gas |
| Prairie Wind Farm | MidAmerican Energy Co | Montezuma, IA | Midcontinent Independent System Operator, Inc. (MISO) | 591.8 GWh | Dec 2017 | Dec 2025 | Wind |
| North English | MidAmerican Energy Co | Montezuma, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.3 TWh | Nov 2018 | Dec 2025 | Wind |
| English Farms | Interstate Power and Light Co | Montezuma, IA | Midcontinent Independent System Operator, Inc. (MISO) | 571.0 GWh | Feb 2019 | Dec 2025 | Wind |
| 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% |
| 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 |
| Louisa | MidAmerican Energy Co | Muscatine, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.5 TWh | Sep 1983 | Dec 2025 | Subbituminous Coal : 99.4% Natural Gas : 0.6% |
| Muscatine Plant #1 | Board of Water Electric & Communications | Muscatine, IA | Midcontinent Independent System Operator, Inc. (MISO) | 748.1 GWh | Mar 1958 | Dec 2025 | Subbituminous Coal : 99.7% |
| Optimum Wind 7 LLC | Optimum Wind 7 LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 11.0 GWh | Feb 2017 | 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 6 LLC | Optimum Wind 6 LLC | Nevada, IA | Midcontinent Independent System Operator, Inc. (MISO) | 8.7 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 |
| 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% |
| Chickasaw Wind Farm | MidAmerican Energy Co | New Hampton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 645.4 GWh | Nov 2023 | Dec 2025 | Wind |
| NLMU Wind | New London Municipal Utilities | New London, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.3 GWh | Oct 2011 | Dec 2024 | Wind |
| Richland (IA) | Interstate Power and Light Co | Odebolt, IA | Midcontinent Independent System Operator, Inc. (MISO) | 497.5 GWh | Aug 2020 | Dec 2025 | Wind |
| Ogden | City of Ogden - (IA) | Ogden, IA | Midcontinent Independent System Operator, Inc. (MISO) | 10.0 MWh | Jun 1951 | Dec 2024 | Distillate Fuel Oil |