Directory of Power Plants in Iowa
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Wever Solar (150MW) | Interstate Power and Light Co | Wever, IA | Midcontinent Independent System Operator, Inc. (MISO) | 28.5 GWh | - | Jan 2025 | Solar |
| Duane Arnold Solar II (150MW) | Interstate Power and Light Co | Palo, IA | Midcontinent Independent System Operator, Inc. (MISO) | 17.2 GWh | - | Jan 2025 | Solar |
| Creston Solar (50 MW) | Interstate Power and Light Co | Creston, IA | Midcontinent Independent System Operator, Inc. (MISO) | 18.1 GWh | - | Jan 2025 | Solar |
| Duane Arnold Solar I (50 MW) | Interstate Power and Light Co | Palo, IA | Midcontinent Independent System Operator, Inc. (MISO) | 80.9 GWh | - | Jan 2025 | Solar |
| Prescott Wind Farm | Prescott Wind Energy LLC | Prescott, IA | Midcontinent Independent System Operator, Inc. (MISO) | 67.0 GWh | - | Jan 2025 | Wind |
| Keokuk | Union Electric Co - (MO) | Keokuk, IA | Midcontinent Independent System Operator, Inc. (MISO) | 834.9 GWh | Jul 1913 | Dec 2023 | Water |
| Iowa Hydro LLC | Renewable World Energies LLC | Maquoketa, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.5 GWh | Dec 1923 | Jan 2025 | Water |
| Ottumwa City of | Ottumwa City of | Ottumwa, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.3 GWh | Jul 1931 | Dec 2023 | Water |
| Anita | City of Anita - (IA) | Anita, IA | Midcontinent Independent System Operator, Inc. (MISO) | 12.0 MWh | Sep 1939 | Dec 2023 | Distillate Fuel Oil |
| 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 |
| 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% |
| McGregor | City of McGregor- (IA) | McGregor, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.0 MWh | Nov 1941 | Dec 2023 | Distillate Fuel Oil |
| Bloomfield | City of Bloomfield - (IA) | Bloomfield, IA | Associated Electric Cooperative, Inc. (AECI) | 16.0 MWh | Mar 1945 | Dec 2023 | Distillate Fuel Oil |
| Forest City Light Plant | City of Forest City- (IA) | Forest City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 120.0 MWh | Dec 1945 | Dec 2023 | Distillate Fuel Oil |
| Estherville | City of Estherville - (IA) | Estherville, IA | Southwest Power Pool (SWPP) | 783.0 MWh | Nov 1946 | Dec 2023 | Distillate Fuel Oil |
| 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% |
| Bellevue | City of Bellevue - (IA) | Bellevue, IA | Midcontinent Independent System Operator, Inc. (MISO) | 52.0 MWh | Jun 1947 | Dec 2023 | Distillate Fuel Oil |
| Alta Municipal Utilities | City of Alta - (IA) | Alta, IA | Southwest Power Pool (SWPP) | 372.0 MWh | Jul 1947 | Dec 2023 | Distillate Fuel Oil |
| Bancroft | Bancroft Municipal Utilities | Bancroft, IA | Midcontinent Independent System Operator, Inc. (MISO) | 320.0 MWh | Dec 1947 | Dec 2023 | Distillate Fuel Oil |
| Lenox | City of Lenox - (IA) | Lenox, IA | Midcontinent Independent System Operator, Inc. (MISO) | 12.0 MWh | Aug 1948 | 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 |
| Summit Lake | Central Iowa Power Cooperative | Creston, IA | Midcontinent Independent System Operator, Inc. (MISO) | 72.1 GWh | Feb 1951 | Dec 2023 | Natural Gas |
| Cascade | Cascade Municipal Utilities | Cascade, IA | Midcontinent Independent System Operator, Inc. (MISO) | 3.0 MWh | Mar 1951 | Dec 2023 | Distillate Fuel Oil |
| Laurens | City of Laurens - (IA) | Laurens, IA | Southwest Power Pool (SWPP) | 955.0 MWh | Jun 1951 | Dec 2023 | Distillate Fuel Oil |
| Ogden | City of Ogden - (IA) | Ogden, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.0 MWh | Jun 1951 | Dec 2023 | Distillate Fuel Oil |
| Rockford | City of Rockford- (IA) | Rockford, IA | Midcontinent Independent System Operator, Inc. (MISO) | 14.0 MWh | Jul 1951 | Dec 2022 | Distillate Fuel Oil |
| Cargill Corn Milling Division | Cargill Inc North America Sweetners | Eddyville, IA | Midcontinent Independent System Operator, Inc. (MISO) | 76.3 GWh | Nov 1952 | Dec 2023 | Natural Gas |
| Walter Scott Jr Energy Center | MidAmerican Energy Co | Council Bluffs, IA | Midcontinent Independent System Operator, Inc. (MISO) | 6.3 TWh | Feb 1954 | Jan 2025 | Subbituminous Coal : 99.3% Distillate Fuel Oil : 0.6% |
| West Bend | City of West Bend | West Bent, IA | Midcontinent Independent System Operator, Inc. (MISO) | 471.0 MWh | Nov 1954 | Dec 2023 | Distillate Fuel Oil |
| Tipton | City of Tipton - (IA) | Tipton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 42.0 MWh | Oct 1955 | Dec 2023 | Distillate Fuel Oil |
| 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 |
| Stuart (IA) | City of Stuart - (IA) | Stuart, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.0 MWh | Jan 1956 | Dec 2022 | Distillate Fuel Oil |
| 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% |
| Winterset | City of Winterset - (IA) | Winterset, IA | Midcontinent Independent System Operator, Inc. (MISO) | 115.0 MWh | Jun 1956 | Dec 2023 | Distillate Fuel Oil : 61.6% Natural Gas : 38.4% |
| Sumner | City of Sumner - (IA) | Sumner, IA | Midcontinent Independent System Operator, Inc. (MISO) | 655.0 MWh | Jul 1956 | Dec 2023 | Distillate Fuel Oil |
| Graettinger | City of Graettinger - (IA) | Graettinger, IA | Midcontinent Independent System Operator, Inc. (MISO) | 255.0 MWh | Jul 1957 | Dec 2023 | Distillate Fuel Oil |
| Coggon | Coggon Municipal Light Plant | Coggon, IA | Midcontinent Independent System Operator, Inc. (MISO) | 14.0 MWh | Sep 1957 | Dec 2023 | Distillate Fuel Oil |
| Muscatine Plant #1 | Board of Water Electric & Communications | Muscatine, IA | Midcontinent Independent System Operator, Inc. (MISO) | 566.0 GWh | Mar 1958 | Jan 2025 | Subbituminous Coal : 99.8% |
| Waverly Municipal Electric North Plant | Waverly Municipal Elec Utility | Waverly, IA | Midcontinent Independent System Operator, Inc. (MISO) | 224.0 MWh | Jul 1958 | Dec 2023 | Distillate Fuel Oil : 52.5% Natural Gas : 47.5% |
| Prairie Creek | Interstate Power and Light Co | Cedar Rapids, IA | Midcontinent Independent System Operator, Inc. (MISO) | 66.4 GWh | Sep 1958 | Jan 2025 | Subbituminous Coal : 67.2% Natural Gas : 32.8% |
| Earl F Wisdom | Corn Belt Power Coop | Spencer, IA | Southwest Power Pool (SWPP) | 5.7 GWh | Mar 1960 | Dec 2023 | Natural Gas : 99.1% Distillate Fuel Oil : 0.9% |
| Iowa State University | Iowa State University | Ames, IA | Midcontinent Independent System Operator, Inc. (MISO) | 86.0 GWh | Sep 1960 | Jan 2025 | Natural Gas |
| Traer Main | City of Traer - (IA) | Traer, IA | Midcontinent Independent System Operator, Inc. (MISO) | 7.0 MWh | Dec 1962 | Dec 2023 | Distillate Fuel Oil : 93.4% Natural Gas : 6.6% |
| Streeter Station | Cedar Falls Utilities | Cedar Falls, IA | Midcontinent Independent System Operator, Inc. (MISO) | 7.5 GWh | Aug 1963 | Dec 2023 | Natural Gas : 97.5% Bituminous Coal : 2.5% |
| 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% |
| 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 |
| Story City | City of Story City - (IA) | Story City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 233.0 MWh | Dec 1963 | Dec 2023 | Distillate Fuel Oil : 95.6% Natural Gas : 4.4% |
| George Neal North | MidAmerican Energy Co | Sergeant Bluff, IA | Midcontinent Independent System Operator, Inc. (MISO) | 768.5 GWh | Apr 1964 | Jan 2025 | Subbituminous Coal : 98.4% Natural Gas : 1.6% |
| Algona | City of Algona - (IA) | Algona, IA | Southwest Power Pool (SWPP) | 1.4 GWh | Nov 1965 | Dec 2023 | Distillate Fuel Oil : 86.8% Natural Gas : 13.2% |
| River Hills | MidAmerican Energy Co | Des Moines, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Apr 1966 | Dec 2023 | Natural Gas |
| Atlantic | Atlantic Municipal Utilities | Atlantic, IA | Midcontinent Independent System Operator, Inc. (MISO) | 115.0 MWh | Aug 1966 | Dec 2023 | Natural Gas : 91.4% Distillate Fuel Oil : 8.6% |
| 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% |
| Rock Rapids | Rock Rapids Municipal Utility | Rock Rapids, IA | Southwest Power Pool (SWPP) | 13.0 MWh | Mar 1968 | Dec 2023 | Distillate Fuel Oil |
| Ames Electric Services Power Plant | City of Ames - (IA) | Ames, IA | Midcontinent Independent System Operator, Inc. (MISO) | 329.5 GWh | Apr 1968 | Dec 2023 | Natural Gas : 90.5% Other Biomass Solids : 9.5% |
| Burlington (IA) | Interstate Power and Light Co | Burlington, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.0 GWh | May 1968 | Jan 2025 | Natural Gas |
| Preston (IA) | City of Preston | Preston, IA | Midcontinent Independent System Operator, Inc. (MISO) | 54.0 MWh | Nov 1968 | Dec 2023 | Distillate Fuel Oil : 59.1% Natural Gas : 40.9% |
| Merl Parr | MidAmerican Energy Co | Charles City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 756.0 MWh | Apr 1969 | Dec 2023 | Natural Gas |
| 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% |
| Spencer Gas Turbine | City of Spencer - (IA) | Spencer, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.2 GWh | Dec 1969 | Dec 2023 | Kerosene |
| Coralville GT | MidAmerican Energy Co | Coralville, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.0 GWh | May 1970 | Dec 2023 | Natural Gas |
| Durant | City of Durant - (IA) | Durant, IA | Midcontinent Independent System Operator, Inc. (MISO) | 48.0 MWh | Jun 1970 | Dec 2023 | Distillate Fuel Oil |
| Sibley One | City of Sibley - (IA) | Sibley, IA | Midcontinent Independent System Operator, Inc. (MISO) | 16.0 MWh | Aug 1971 | Dec 2023 | Distillate Fuel Oil : 54.7% Natural Gas : 45.3% |
| Webster City | City of Webster City - (IA) | Webster City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 GWh | Mar 1972 | Dec 2023 | Distillate Fuel Oil |
| Ames GT | City of Ames - (IA) | Ames, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 GWh | Apr 1972 | Sep 2023 | Distillate Fuel Oil |
| State Center | City of State Center - (IA) | State Center, IA | Midcontinent Independent System Operator, Inc. (MISO) | 53.0 MWh | Jul 1972 | Dec 2023 | Distillate Fuel Oil : 69.0% Natural Gas : 31.0% |
| Hopkinton | City of Hopkinton - (IA) | Hopkinton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 MWh | Aug 1973 | Dec 2023 | Distillate Fuel Oil |
| Sycamore (IA) | MidAmerican Energy Co | Johnston, IA | Midcontinent Independent System Operator, Inc. (MISO) | 10.7 GWh | Jul 1974 | Dec 2023 | Natural Gas : 99.7% |
| West Liberty | City of West Liberty - (IA) | West Liberty, IA | Midcontinent Independent System Operator, Inc. (MISO) | 39.0 MWh | Sep 1974 | Dec 2023 | Distillate Fuel Oil |
| Electrifarm | MidAmerican Energy Co | Waterloo, IA | Midcontinent Independent System Operator, Inc. (MISO) | 11.6 GWh | Apr 1975 | Dec 2023 | Natural Gas : 97.2% Distillate Fuel Oil : 2.8% |
| Corning | City of Corning - (IA) | Corning, IA | Midcontinent Independent System Operator, Inc. (MISO) | 38.0 MWh | May 1975 | Dec 2023 | 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 |
| George Neal South | MidAmerican Energy Co | Salix, IA | Midcontinent Independent System Operator, Inc. (MISO) | 608.2 GWh | Jun 1979 | Jan 2025 | Subbituminous Coal : 98.1% |
| Ottumwa | Interstate Power and Light Co | Ottumwa, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.9 TWh | Apr 1981 | Jan 2025 | Subbituminous Coal : 99.7% |
| University of Northern Iowa | University of Northern Iowa | Cedar Falls, IA | Midcontinent Independent System Operator, Inc. (MISO) | 21.4 GWh | Oct 1982 | Jan 2025 | Natural Gas : 72.3% Petroleum Coke : 20.3% Bituminous Coal : 7.4% |
| Louisa | MidAmerican Energy Co | Muscatine, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.7 TWh | Sep 1983 | Jan 2025 | Subbituminous Coal : 98.6% Natural Gas : 1.4% |
| 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 |
| Sibley No Two | City of Sibley - (IA) | Sibley, IA | Midcontinent Independent System Operator, Inc. (MISO) | 18.0 MWh | Nov 1987 | Dec 2023 | Distillate Fuel Oil : 69.9% Natural Gas : 30.1% |
| Panora | City of Panora - (IA) | Panora, IA | Midcontinent Independent System Operator, Inc. (MISO) | 6.0 MWh | Dec 1987 | Dec 2023 | Distillate Fuel Oil |
| Archer Daniels Midland Des Moines | Archer Daniels Midland Co | Des Moines, IA | Midcontinent Independent System Operator, Inc. (MISO) | 6.1 GWh | Apr 1988 | Dec 2023 | Subbituminous Coal |
| Archer Daniels Midland Cedar Rapids | Archer Daniels Midland Co | Cedar Rapids, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.0 TWh | Oct 1988 | Jan 2025 | Subbituminous Coal : 57.9% Natural Gas : 28.4% Bituminous Coal : 13.8% |
| Alliant SBD 9201 Norplex | Industrial Energy Applications Inc | Postville, IA | Midcontinent Independent System Operator, Inc. (MISO) | 72.5 MWh | Nov 1988 | Jan 2025 | Distillate Fuel Oil |
| Alliant SBD 9205 A Y McDonald | Industrial Energy Applications Inc | Dubuque, IA | Midcontinent Independent System Operator, Inc. (MISO) | 9.8 MWh | Feb 1990 | Dec 2023 | Distillate Fuel Oil |
| Pleasant Hill | MidAmerican Energy Co | Pleasant Hill, IA | Midcontinent Independent System Operator, Inc. (MISO) | 16.8 GWh | May 1990 | Dec 2023 | Natural Gas : 98.7% Distillate Fuel Oil : 1.3% |
| 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 |
| Des Moines Wastewater Reclamation Fac | Des Moines Metro WRF | Des Moines, IA | Midcontinent Independent System Operator, Inc. (MISO) | 72.5 MWh | Jun 1991 | Dec 2023 | Natural Gas |
| Wilton | City of Wilton - (IA) | Wilton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 37.2 MWh | Dec 1991 | Dec 2023 | Distillate Fuel Oil |
| Alliant SBD 9106 Rockwell CR | Industrial Energy Applications Inc | Cedar Rapids, IA | Midcontinent Independent System Operator, Inc. (MISO) | 232.3 MWh | May 1992 | Dec 2023 | Distillate Fuel Oil |
| Alliant SBD 9107 JBS USA | Industrial Energy Applications Inc | Marshalltown, IA | Midcontinent Independent System Operator, Inc. (MISO) | 35.3 MWh | Jul 1992 | Jan 2025 | Distillate Fuel Oil |
| Alliant SBD 9301 Prairie Farms | Industrial Energy Applications Inc | Dubuque, IA | Midcontinent Independent System Operator, Inc. (MISO) | 47.0 MWh | Jun 1993 | Dec 2023 | Distillate Fuel Oil |
| John Deere Dubuque Works | John Deere Dubuque Works | Dubuque, IA | Midcontinent Independent System Operator, Inc. (MISO) | 92.0 MWh | May 1994 | Jan 2025 | Distillate Fuel Oil |
| Grand Junction | City of Grand Junction - (IA) | Grand Junction, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.0 MWh | Nov 1994 | Dec 2023 | Distillate Fuel Oil |
| Alliant SBD 9403 Aegon DC | Industrial Energy Applications Inc | Cedar Rapids, IA | Midcontinent Independent System Operator, Inc. (MISO) | 17.6 MWh | Dec 1994 | Dec 2023 | Distillate Fuel Oil |
| Davenport Water Pollution Control Plant | Davenport City of | Davenport, IA | Midcontinent Independent System Operator, Inc. (MISO) | 6.3 GWh | Apr 1995 | Dec 2023 | Other Biomass Gas : 78.4% Natural Gas : 21.6% |
| Alliant SBD 9206 Donaldson | Industrial Energy Applications Inc | Cresco, IA | Midcontinent Independent System Operator, Inc. (MISO) | 3.9 MWh | Oct 1995 | Dec 2023 | Distillate Fuel Oil |
| NCAH Central Utility Plant | National Centers for Animal Health | Ames, IA | Midcontinent Independent System Operator, Inc. (MISO) | 13.8 GWh | May 1996 | Dec 2024 | Natural Gas : 99.4% Distillate Fuel Oil : 0.6% |
| Alliant SBD 9203 Profol | American Profol Incorporated | Cedar Rapids, IA | Midcontinent Independent System Operator, Inc. (MISO) | 133.0 MWh | Aug 1996 | Nov 2024 | Distillate Fuel Oil |
| Metro Methane Recovery Facility | WM Renewable Energy LLC | Mitchellville, IA | Midcontinent Independent System Operator, Inc. (MISO) | 78.7 GWh | Dec 1997 | Jan 2025 | Landfill Gas |
| West Receiving | City of Denison - (IA) | Denison, IA | Southwest Power Pool (SWPP) | 12.0 MWh | Mar 1998 | Dec 2023 | Distillate Fuel Oil |
| Allendorf | E&E Enterprises LLC | Allendorf, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.7 GWh | Sep 1998 | Dec 2022 | Wind |
| Alliant SBG 9802 Toyota | Industrial Energy Applications Inc | Cedar Rapids, IA | Midcontinent Independent System Operator, Inc. (MISO) | 66.6 MWh | Nov 1998 | Dec 2023 | Natural Gas |