Directory of Power Plants in Iowa
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Louisa | MidAmerican Energy Co | Muscatine, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.7 TWh | Sep 1983 | Aug 2024 | Subbituminous Coal : 98.7% Natural Gas : 1.3% |
| University of Northern Iowa | University of Northern Iowa | Cedar Falls, IA | Midcontinent Independent System Operator, Inc. (MISO) | 19.9 GWh | Oct 1982 | Aug 2024 | Natural Gas : 75.2% Petroleum Coke : 16.6% Bituminous Coal : 8.1% |
| Ottumwa | Interstate Power and Light Co | Ottumwa, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.4 TWh | Apr 1981 | Aug 2024 | Subbituminous Coal : 99.3% |
| George Neal South | MidAmerican Energy Co | Salix, IA | Midcontinent Independent System Operator, Inc. (MISO) | 776.5 GWh | Jun 1979 | Aug 2024 | Subbituminous Coal : 98.5% Distillate Fuel Oil : 1.5% |
| Marshalltown | Interstate Power and Light Co | Marshalltown, IA | Midcontinent Independent System Operator, Inc. (MISO) | 122.1 GWh | May 1978 | Dec 2023 | Natural Gas |
| Corning | City of Corning - (IA) | Corning, IA | Midcontinent Independent System Operator, Inc. (MISO) | 38.0 MWh | May 1975 | 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% |
| 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 |
| Sycamore (IA) | MidAmerican Energy Co | Johnston, IA | Midcontinent Independent System Operator, Inc. (MISO) | 10.7 GWh | Jul 1974 | Dec 2023 | Natural Gas : 99.7% |
| Hopkinton | City of Hopkinton - (IA) | Hopkinton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 2.0 MWh | Aug 1973 | Dec 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% |
| Ames GT | City of Ames - (IA) | Ames, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.6 GWh | Apr 1972 | Sep 2023 | Distillate Fuel Oil |
| 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 |
| 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% |
| Durant | City of Durant - (IA) | Durant, IA | Midcontinent Independent System Operator, Inc. (MISO) | 48.0 MWh | Jun 1970 | Dec 2023 | Distillate Fuel Oil |
| Coralville GT | MidAmerican Energy Co | Coralville, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.0 GWh | May 1970 | 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 |
| Merl Parr | MidAmerican Energy Co | Charles City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 756.0 MWh | Apr 1969 | Dec 2023 | 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% |
| Burlington (IA) | Interstate Power and Light Co | Burlington, IA | Midcontinent Independent System Operator, Inc. (MISO) | 6.4 GWh | May 1968 | Aug 2024 | Natural Gas |
| 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% |
| Rock Rapids | Rock Rapids Municipal Utility | Rock Rapids, IA | Southwest Power Pool (SWPP) | 13.0 MWh | Mar 1968 | Dec 2023 | Distillate Fuel Oil |
| 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% |
| 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% |
| River Hills | MidAmerican Energy Co | Des Moines, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.8 GWh | Apr 1966 | Dec 2023 | Natural Gas |
| 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% |
| George Neal North | MidAmerican Energy Co | Sergeant Bluff, IA | Midcontinent Independent System Operator, Inc. (MISO) | 873.1 GWh | Apr 1964 | Aug 2024 | Subbituminous Coal : 98.5% Natural Gas : 1.5% |
| 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% |
| 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 |
| 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% |
| 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% |
| Iowa State University | Iowa State University | Ames, IA | Midcontinent Independent System Operator, Inc. (MISO) | 86.8 GWh | Sep 1960 | Aug 2024 | Natural Gas : 99.5% |
| 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% |
| Prairie Creek | Interstate Power and Light Co | Cedar Rapids, IA | Midcontinent Independent System Operator, Inc. (MISO) | 75.2 GWh | Sep 1958 | Aug 2024 | Subbituminous Coal : 68.0% Natural Gas : 32.0% |
| 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% |
| Muscatine Plant #1 | Board of Water Electric & Communications | Muscatine, IA | Midcontinent Independent System Operator, Inc. (MISO) | 501.7 GWh | Mar 1958 | Aug 2024 | Subbituminous Coal : 99.8% |
| Coggon | Coggon Municipal Light Plant | Coggon, IA | Midcontinent Independent System Operator, Inc. (MISO) | 14.0 MWh | Sep 1957 | 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 |
| Sumner | City of Sumner - (IA) | Sumner, IA | Midcontinent Independent System Operator, Inc. (MISO) | 655.0 MWh | Jul 1956 | Dec 2023 | Distillate Fuel Oil |
| 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% |
| 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% |
| Stuart (IA) | City of Stuart - (IA) | Stuart, IA | Midcontinent Independent System Operator, Inc. (MISO) | 1.0 MWh | Jan 1956 | Dec 2022 | 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 |
| Tipton | City of Tipton - (IA) | Tipton, IA | Midcontinent Independent System Operator, Inc. (MISO) | 42.0 MWh | Oct 1955 | Dec 2023 | Distillate Fuel Oil |
| 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 |
| Walter Scott Jr Energy Center | MidAmerican Energy Co | Council Bluffs, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.5 TWh | Feb 1954 | Aug 2024 | Subbituminous Coal : 99.1% Distillate Fuel Oil : 0.7% |
| 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 |
| Rockford | City of Rockford- (IA) | Rockford, IA | Midcontinent Independent System Operator, Inc. (MISO) | 14.0 MWh | Jul 1951 | Dec 2022 | 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 |
| Cascade | Cascade Municipal Utilities | Cascade, IA | Midcontinent Independent System Operator, Inc. (MISO) | 3.0 MWh | Mar 1951 | 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 |
| Milford | City of Milford - (IA) | Milford, IA | Southwest Power Pool (SWPP) | 616.0 MWh | Dec 1948 | 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 |
| Bancroft | Bancroft Municipal Utilities | Bancroft, IA | Midcontinent Independent System Operator, Inc. (MISO) | 320.0 MWh | Dec 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 |
| Bellevue | City of Bellevue - (IA) | Bellevue, IA | Midcontinent Independent System Operator, Inc. (MISO) | 52.0 MWh | Jun 1947 | Dec 2023 | Distillate Fuel Oil |
| University of Iowa Main Power Plant | University of Iowa | Iowa City, IA | Midcontinent Independent System Operator, Inc. (MISO) | 49.2 GWh | Dec 1946 | Feb 2023 | Natural Gas : 56.3% Bituminous Coal : 21.0% Wood/Wood Waste Solids : 13.4% Other Biomass Solids : 9.4% |
| Estherville | City of Estherville - (IA) | Estherville, IA | Southwest Power Pool (SWPP) | 783.0 MWh | Nov 1946 | 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 |
| Bloomfield | City of Bloomfield - (IA) | Bloomfield, IA | Associated Electric Cooperative, Inc. (AECI) | 16.0 MWh | Mar 1945 | Dec 2023 | Distillate Fuel Oil |
| McGregor | City of McGregor- (IA) | McGregor, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.0 MWh | Nov 1941 | 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% |
| 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 |
| Anita | City of Anita - (IA) | Anita, IA | Midcontinent Independent System Operator, Inc. (MISO) | 12.0 MWh | Sep 1939 | Dec 2023 | Distillate Fuel Oil |
| Ottumwa City of | Ottumwa City of | Ottumwa, IA | Midcontinent Independent System Operator, Inc. (MISO) | 5.3 GWh | Jul 1931 | Dec 2023 | Water |
| Iowa Hydro LLC | Renewable World Energies LLC | Maquoketa, IA | Midcontinent Independent System Operator, Inc. (MISO) | 4.5 GWh | Dec 1923 | Aug 2024 | Water |
| Keokuk | Union Electric Co - (MO) | Keokuk, IA | Midcontinent Independent System Operator, Inc. (MISO) | 834.9 GWh | Jul 1913 | Dec 2023 | Water |
| Duane Arnold Solar I (50 MW) | Interstate Power and Light Co | Palo, IA | Midcontinent Independent System Operator, Inc. (MISO) | 20.3 GWh | - | May 2024 | Solar |