Directory of Power Plants in Iowa

List of All Iowa Power Plants

Displaying Results 1 to 15 of 15
Plant NameUtilityLocationBalancing AuthorityAnnual GenerationPlant DateLast UpdateFuel Types
Osceola Windpower LLCOsceola Windpower LLCHarris, IASouthwest Power Pool (SWPP)410.1 GWhJun 2008Apr 2025 Wind
OgdenCity of Ogden - (IA)Ogden, IAMidcontinent Independent System Operator, Inc. (MISO)10.0 MWhJun 1951Dec 2024 Distillate Fuel Oil
Osage (IA)City of Osage - (IA)Osage, IAMidcontinent Independent System Operator, Inc. (MISO)5.6 GWhAug 1963Dec 2024 Wind : 81.2% Solar : 18.8%
Ottumwa City ofOttumwa City ofOttumwa, IAMidcontinent Independent System Operator, Inc. (MISO)4.5 GWhJul 1931Apr 2024 Water
OttumwaInterstate Power and Light CoOttumwa, IAMidcontinent Independent System Operator, Inc. (MISO)1.7 TWhApr 1981Apr 2025 Subbituminous Coal : 99.6%
Old Gold Energy Center, LLCOld Gold Energy Center, LLCJoice, IAMidcontinent Independent System Operator, Inc. (MISO)78.4 GWhSep 2001Dec 2024 Wind
Osceola Windpower IIOsceola Windpower IIHarris, IAMidcontinent Independent System Operator, Inc. (MISO)208.2 GWhAug 2008Apr 2025 Wind
Otter Creek Ethanol Poet - AshtonOtter Creek Ethanol LLC - Poet AshtonAshton, IAMidcontinent Independent System Operator, Inc. (MISO)42.6 GWhFeb 2004Apr 2025 Natural Gas
Optimum Wind 5 LLCOptimum Wind 5 LLCNevada, IAMidcontinent Independent System Operator, Inc. (MISO)9.0 GWhFeb 2017Dec 2024 Wind
Optimum Wind 6 LLCOptimum Wind 6 LLCNevada, IAMidcontinent Independent System Operator, Inc. (MISO)8.7 GWhFeb 2017Dec 2024 Wind
Optimum Wind 7 LLCOptimum Wind 7 LLCNevada, IAMidcontinent Independent System Operator, Inc. (MISO)11.0 GWhFeb 2017Dec 2024 Wind
Optimum Wind 4 LLCOptimum Wind 4 LLCNevada, IAMidcontinent Independent System Operator, Inc. (MISO)10.5 GWhFeb 2017Dec 2024 Wind
Optimum Wind 3 LLCOptimum Wind 3 LLCNevada, IAMidcontinent Independent System Operator, Inc. (MISO)10.4 GWhFeb 2017Dec 2024 Wind
O'Brien WindMidAmerican Energy CoPrimghar, IAMidcontinent Independent System Operator, Inc. (MISO)875.9 GWhAug 2016Dec 2024 Wind
Orient Wind FarmMidAmerican Energy CoOrient, IAMidcontinent Independent System Operator, Inc. (MISO)1.8 TWhNov 2018Apr 2025 Wind

Browse Power Plants By Iowa Counties

Figures are based on December 2024 generation numbers.
CountyState RankActive PlantsDec 2024 Generation
Shelby County, IA# 7812.0 MWh
Montgomery County, IA# 7717.0 MWh
Lyon County, IA# 76113.0 MWh
Page County, IA# 75244.0 MWh
Allamakee County, IA# 74272.5 MWh
Decatur County, IA# 73186.0 MWh
Warren County, IA# 721446.0 MWh
Dallas County, IA# 711739.0 MWh
Des Moines County, IA# 702849.0 MWh
Lucas County, IA# 6911.5 GWh
Davis County, IA# 6822.1 GWh
Clayton County, IA# 6742.2 GWh
Emmet County, IA# 6622.3 GWh
Henry County, IA# 6534.3 GWh
Jackson County, IA# 6454.8 GWh
Tama County, IA# 6355.6 GWh
Winneshiek County, IA# 6235.6 GWh
Scott County, IA# 6135.7 GWh
Cedar County, IA# 6046.0 GWh
Dubuque County, IA# 5966.7 GWh
Johnson County, IA# 58510.2 GWh
Appanoose County, IA# 57226.6 GWh
Black Hawk County, IA# 56948.6 GWh
Monroe County, IA# 551110.5 GWh
Marion County, IA# 545150.0 GWh
Bremer County, IA# 535180.2 GWh
Greene County, IA# 525212.2 GWh
Floyd County, IA# 513274.6 GWh
Crawford County, IA# 503287.5 GWh
Madison County, IA# 492330.0 GWh
Taylor County, IA# 484336.4 GWh
Dickinson County, IA# 475361.0 GWh
Hardin County, IA# 463362.5 GWh
Delaware County, IA# 455429.4 GWh
Howard County, IA# 443586.9 GWh
Adams County, IA# 434601.8 GWh
Mahaska County, IA# 421605.0 GWh
Worth County, IA# 417634.2 GWh
Osceola County, IA# 408661.0 GWh
CountyState RankActive PlantsDec 2024 Generation
Chickasaw County, IA# 392687.3 GWh
Muscatine County, IA# 386701.2 GWh
Buena Vista County, IA# 375748.4 GWh
Clinton County, IA# 363793.3 GWh
Plymouth County, IA# 351809.3 GWh
Grundy County, IA# 344812.3 GWh
Sac County, IA# 332855.4 GWh
Guthrie County, IA# 323859.6 GWh
Iowa County, IA# 313864.0 GWh
Cherokee County, IA# 301867.2 GWh
Union County, IA# 294982.6 GWh
Carroll County, IA# 285995.0 GWh
Story County, IA# 27181.0 TWh
Webster County, IA# 2651.0 TWh
Winnebago County, IA# 2571.1 TWh
Clay County, IA# 2431.1 TWh
Lee County, IA# 2341.2 TWh
Linn County, IA# 22231.3 TWh
Pocahontas County, IA# 2141.4 TWh
Boone County, IA# 2041.4 TWh
Hamilton County, IA# 1941.4 TWh
Franklin County, IA# 1861.4 TWh
Audubon County, IA# 1731.6 TWh
Palo Alto County, IA# 1651.6 TWh
Hancock County, IA# 1531.6 TWh
Kossuth County, IA# 1491.6 TWh
Mitchell County, IA# 1351.7 TWh
Cass County, IA# 1261.7 TWh
Wapello County, IA# 1121.8 TWh
Woodbury County, IA# 1031.8 TWh
Ida County, IA# 921.8 TWh
Poweshiek County, IA# 8102.0 TWh
Polk County, IA# 792.3 TWh
O'Brien County, IA# 632.6 TWh
Cerro Gordo County, IA# 562.7 TWh
Louisa County, IA# 423.6 TWh
Adair County, IA# 3184.0 TWh
Marshall County, IA# 274.6 TWh
Pottawattamie County, IA# 127.3 TWh