This is a list of electricity-generating power stations in the U.S. state of Iowa, sorted by type and name. In 2024, Iowa had a total summer capacity of 23.2 GW through all of its power plants, and a net generation of 70,464 GWh. In 2025, the electrical energy generation mix was 58.9% wind, 25.7% coal, 11.7% natural gas, 1.8% solar, 1.5% hydroelectric, 0.3% biomass, and 0.1% petroleum. Small-scale solar, which includes customer-owned photovoltaic panels, delivered 552 GWh to the state's electrical grid in 2025.
Iowa has been among the top-five energy-consuming states, due in large part to its productive agriculture industry. State regulators implemented the nation's first renewable portfolio standard (RPS) applied to investor-owned utilities in 1983. The modest goal of 105 MW was soon met, and was exceeded nearly 100 times over by the end of 2019. All electrical utility customers have had the option to support further expansion of renewable generation since 2004, and regulators have also taken steps to encourage greater efficiency of energy use. Iowa has produced more electricity than it has consumed since 2008.
During 2019, wind power from about 5,100 turbines (10,200 MW) throughout Iowa generated 41% of electricity, which was the highest share among the United States. Wind is a durable resource year-round and throughout the state, and trends mildest during summer months and in southeastern regions. The historic 142 MW Keokuk hydroelectric station on the Mississippi River is Iowa's longest serving facility since 1913.
Nuclear power stations Name Location Coordinates Capacity(MW) Refs Yearopened NoteDuane Arnold Energy Center (DAEC) Linn County 680 Staff Writer (January 27, 2006). "FPL Energy Completes Purchase of Majority Interest in Duane Arnold Energy Center". NextEra Energy. Retrieved January 29, 2018. 1975 retired in 2020, solar farm proposed for site
Fossil-fuel power stations Data from the U.S. Energy Information Administration serves as a general reference.
Coal-fired plants A useful mapSierra Club - Beyond Coal of active and retiring coal generation plants is provided by the Sierra Club. Name Location Coordinates Summercapacity(MW) Refs Yearopened Note ADM Cedar Rapids Power Plant Linn County 295 1988 capacity increased until 2000.includes a 35MW naturalgas turbine added 2016. ADM Clinton Power Plant Clinton County 180 2009 George Neal Energy Center Woodbury County 1140 1975 (Unit 3)1979 (Unit 4) Units 1&2 retired in 2016 Lansing Generating Station Allamakee County 250 1977 closed Louisa Generating Station Louisa County 750 1983 Muscatine Generating Station Muscatine County 225 1958 capacity increased until 2000 Ottumwa Generating Station Wapello County 725 1981 Walter Scott Jr. Energy Center Pottawattamie County 1650 1978 (Unit 3)2007 (Unit 4) Units 1&2 retired in 2015
Natural gas-fired plants Many generating stations fueled by gas in Iowa are peaker plants that use simple cycle combustion turbines (SCCT). Combined cycle combustion turbines (CCCT) and steam turbines (ST) alone may also be used for base load or peaking generation. Name Location Coordinates Summercapacity(MW) Refs Type Yearopened Note Ames Steam Turbine Story County 95 ST 1968 63MW added 1982 Burlington Generating Station Des Moines County 245 1968 Coal retirement in 2021.Includes 47MW natural gas. Turbines added 1996–1998. Coralville Gas Turbine Johnson County 66 SCCT 1970 Earl F. Wisdom Station Clay County 113 STSCCT 1960 (ST)2004 (SCCT) 38MW ST76MW SCCT Electrifarm Power Plant Black Hawk County 183 SCCT 1975 (Unit 1)1978 (Units 2&3) Emery Generating Station Cerro Gordo County 535 CCCT 2004 Exira Station Audubon County 140 SCCT 2004 (Units 1&2)2007 (Unit 3) Greater Des Moines Energy Center Polk County 485 CCCT 2004 Marshalltown Generating Station Marshall County 820 SCCTCCCT 1978 (SCCT)2007 (CCCT) 170MW SCCT650MW CCCT Pleasant Hill Gas Turbine Polk County 156 SCCT 1990 (Units 1&2)1994 (Unit 3) Prairie Creek Generating Station Linn County 142 ST 1967 includes 29MW coal-fired capacity opened 1958 River Hills Gas Turbine Polk County 118 SCCT 1966-1968 Riverside Gas Turbine Scott County 114 ST 1961 Sycamore Gas Turbine Polk County 144 SCCT 1974
Renewable power stations Data from the U.S. Energy Information Administration serves as a general reference.
Biomass Name Location Coordinates Capacity(MW) Refs Fuel Yearopened Note AgriReNew Scott County 1.0 biomass methane 2013 gas turbine Davenport Water Pollution Control Scott County 1.6 wastewater methane 1995 Des Moines Wastewater Reclamation Polk County 2.8 wastewater methane 1991 facility upgrades 2015, 2020 Lake Mills Gas Recovery Winnebago County 4.0 landfill gas 2006 Metro Methane Recovery Polk County 11.2 landfill gas 1998 4.8MW added 2014
Hydroelectric plants Name Location Coordinates Capacity (MW) Refs Yearopened Note 5 in 1 Dam Hydro Plant Linn County 2.1 1986 damaged in 2008 flood Keokuk Energy Center Lee County 142 1913 Maquoketa Hydro Plant Jackson County 1.2 1924 Ottumwa Hydro Plant Wapello County 3.2 1931 Red Rock Hydroelectric Project Marion County 43.2 2021
Wind farms
Name Location Coordinates Capacity (MW) Refs Yearopened Note Adair Wind Farm Adair County 175 2008 Adams Wind Farm Adams County 154 2015 Arbor Hill Wind Farm Adair County 250 2018 Barton Wind Farm Worth County 160 2009 Beaver Creek Wind Farm I & II Boone CountyGreene County 340 2017/2018 Carol Wind Farm Carol County 159 2008 Century Wind Farm Wright CountyHamilton County 201 2005/2007 Crystal Lake Wind Farm I, II, III Winnebago CountyHancock County 416 2008/2009 Diamond Trail Wind Farm Iowa County 252 2020 Eclipse Wind Project Audubon CountyGuthrie County 200 2012 Endeavor Wind Farm I & II(Osceola Wind) Osceola County 148 2008 English Farms Wind Poweshiek County 172 2019 Garden Wind Farm Hardin County 150 2009 Glaciers Edge Wind Cherokee County 200 2019 Golden Plains Wind Farm Kossuth CountyWinnebago County 200 2020 Heartland Divide IIAudubon County2002022 Highland Wind Energy Center O'Brien County 502 2015 Ida Grove Wind Farm I & II Ida County 503 2016/2019 Intrepid Wind Farm Buena Vista County 175 2004/2005 Kossuth Wind Farm Kossuth County 150 2020 Lundgren Wind Farm Webster County 251 2014 North English Wind Farm I & II Poweshiek County 340 2018/2019 O'Brien Wind Farm O'Brien County 250 2016 Orient Wind Farm Adair County 501 2018/2019 Palo Alto Wind Farm I & II Palo Alto County 340 2019/2020 Pioneer Prairie Wind Farm Mitchell CountyHoward County 293 EDP Renewables Signs 115-MW PPA with TVA Renewable Energy World, February 18, 2010. 2008 Pomeroy Wind Farm Pocahontas CountyCalhoun County 296 Pomeroy Wind Farm 2007/2008 Prairie Wind Mahaska County 168 2018 Rolling Hills Wind Farm Adair CountyAdams CountyCass County 444 2011 Southern Hills Wind Farm Adair CountyAdams CountyUnion County 254 2020 Storm Lake Wind Farm(Buena Vista Wind) Buena Vista County 185 1999 Story County Wind Farm I & II Story County 300 Ken Black. Wind energy part of economic strategy Times-Republican, January 23, 2010. 2008/2009 Top of Iowa Wind Farm I, II, III Worth County 190 2007/2008 Turtle Creek Wind Farm Mitchell County 200 2018 Upland Prairie Wind Farm Clay County 299 2019 Vienna Wind Farm Marshall County 150 2012/2013 Walnut Wind Farm Pottawattamie County 165 2008 Wellsburg Wind Project Grundy County 141 2014 Whispering Willow Wind FarmEast & North Franklin County 400 Alliant Energy's 200-MW Iowa Wind Facility Begins Commercial Operation Renewable Energy World, 14 December 2009. 2009/2020
Solar farms
Project nameLocationCoordinatesCapacity(MWAC)Refs.YearopenedNoteBloomfield Solar Davis County 1.6 2019 Cedar Falls Solar Blackhawk County 1.5 2016 Decorah DPC Solar(Madison Solar) Winneshiek County 1.5 2019 Downtown Dubuque Solar Garden Dubuque County .9 2017 Eastern Iowa Solar Muscatine County 1.8 2016 Forest City Solar Winnebago County 3.0 2019 Marshalltown GS Solar Marshall County 2.0 2020 South Sioux City Solar Dakota County 2.3 2017 Southwestern Solar Adams County 2.0 2018 Strawberry Point DPC Solar Clayton County 1.3 2017 SunSmart Ames Story County 2.0 2020 West Dubuque Solar Dubuque County 3.5 2017
References