Directory of Power Plants in Iowa
| Plant Name | Utility | Location | Balancing Authority | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|---|
| Duane Arnold Solar I (50 MW) | Interstate Power and Light Co | Palo, IA | (MISO) | 20.3 GWh | - | May 2024 | Solar |
| Keokuk | Union Electric Co - (MO) | Keokuk, IA | (MISO) | 988.5 GWh | Jul 1913 | Dec 2022 | Water |
| Iowa Hydro LLC | Renewable World Energies LLC | Maquoketa, IA | (MISO) | 4.1 GWh | Dec 1923 | Jun 2024 | Water |
| Ottumwa City of | Ottumwa City of | Ottumwa, IA | (MISO) | 5.8 GWh | Jul 1931 | Dec 2023 | Water |
| Anita | City of Anita - (IA) | Anita, IA | (MISO) | 14.3 MWh | Sep 1939 | Dec 2023 | Distillate Fuel Oil |
| Lamoni Municipal Utilities | City of Lamoni - (IA) | Lamoni, IA | (MISO) | 158.9 MWh | Feb 1940 | Dec 2023 | Distillate Fuel Oil |
| Montezuma | City of Montezuma - (IA) | Montezuma, IA | (MISO) | 147.1 MWh | Jul 1940 | Dec 2023 | Distillate Fuel Oil : 64.4% Natural Gas : 35.6% |
| McGregor | City of McGregor- (IA) | McGregor, IA | (MISO) | 4.7 MWh | Nov 1941 | Dec 2023 | Distillate Fuel Oil |
| Bloomfield | City of Bloomfield - (IA) | Bloomfield, IA | (AECI) | 16.0 MWh | Mar 1945 | Dec 2023 | Distillate Fuel Oil |
| Forest City Light Plant | City of Forest City- (IA) | Forest City, IA | (MISO) | 135.6 MWh | Dec 1945 | Dec 2023 | Distillate Fuel Oil |
| Estherville | City of Estherville - (IA) | Estherville, IA | (SWPP) | 804.9 MWh | Nov 1946 | Dec 2023 | Distillate Fuel Oil |
| University of Iowa Main Power Plant | University of Iowa | Iowa City, IA | (MISO) | 52.8 GWh | Dec 1946 | Feb 2023 | Natural Gas : 56.0% Bituminous Coal : 20.6% Wood/Wood Waste Solids : 13.3% Other Biomass Solids : 10.0% |
| Bellevue | City of Bellevue - (IA) | Bellevue, IA | (MISO) | 54.0 MWh | Jun 1947 | Dec 2023 | Distillate Fuel Oil |
| Alta Municipal Utilities | City of Alta - (IA) | Alta, IA | (SWPP) | 383.7 MWh | Jul 1947 | Dec 2023 | Distillate Fuel Oil |
| Bancroft | Bancroft Municipal Utilities | Bancroft, IA | (MISO) | 34.6 MWh | Dec 1947 | Dec 2022 | Distillate Fuel Oil |
| Lenox | City of Lenox - (IA) | Lenox, IA | (MISO) | 13.6 MWh | Aug 1948 | Dec 2023 | Distillate Fuel Oil |
| Milford | City of Milford - (IA) | Milford, IA | (SWPP) | 635.5 MWh | Dec 1948 | Dec 2023 | Distillate Fuel Oil |
| Summit Lake | Central Iowa Power Cooperative | Creston, IA | (MISO) | 78.2 GWh | Feb 1951 | Dec 2023 | Natural Gas |
| Cascade | Cascade Municipal Utilities | Cascade, IA | (MISO) | 6.4 MWh | Mar 1951 | Dec 2023 | Distillate Fuel Oil |
| Laurens | City of Laurens - (IA) | Laurens, IA | (SWPP) | 978.4 MWh | Jun 1951 | Dec 2023 | Distillate Fuel Oil |
| Ogden | City of Ogden - (IA) | Ogden, IA | (MISO) | 7.1 MWh | Jun 1951 | Dec 2023 | Distillate Fuel Oil |
| Rockford | City of Rockford- (IA) | Rockford, IA | (MISO) | 15.5 MWh | Jul 1951 | Dec 2022 | Distillate Fuel Oil |
| Cargill Corn Milling Division | Cargill Inc North America Sweetners | Eddyville, IA | (MISO) | 86.8 GWh | Nov 1952 | Dec 2023 | Natural Gas |
| Walter Scott Jr Energy Center | MidAmerican Energy Co | Council Bluffs, IA | (MISO) | 6.4 TWh | Feb 1954 | Jun 2024 | Subbituminous Coal : 99.2% Distillate Fuel Oil : 0.6% |
| West Bend | City of West Bend | West Bent, IA | (MISO) | 483.3 MWh | Nov 1954 | Dec 2023 | Distillate Fuel Oil |
| Tipton | City of Tipton - (IA) | Tipton, IA | (MISO) | 50.2 MWh | Oct 1955 | Dec 2023 | Distillate Fuel Oil |
| Lake Mills | City of Lake Mills | Lake Mills, IA | (MISO) | 37.0 MWh | Dec 1955 | Dec 2023 | Distillate Fuel Oil |
| Stuart (IA) | City of Stuart - (IA) | Stuart, IA | (MISO) | 3.0 MWh | Jan 1956 | Dec 2022 | Distillate Fuel Oil |
| Maquoketa 1 | City of Maquoketa - (IA) | Maquoketa, IA | (MISO) | 13.2 MWh | May 1956 | Dec 2023 | Natural Gas : 87.4% Distillate Fuel Oil : 12.6% |
| Winterset | City of Winterset - (IA) | Winterset, IA | (MISO) | 119.3 MWh | Jun 1956 | Dec 2023 | Distillate Fuel Oil : 61.6% Natural Gas : 38.4% |
| Sumner | City of Sumner - (IA) | Sumner, IA | (MISO) | 673.5 MWh | Jul 1956 | Dec 2023 | Distillate Fuel Oil |
| Graettinger | City of Graettinger - (IA) | Graettinger, IA | (MISO) | 261.9 MWh | Jul 1957 | Dec 2023 | Distillate Fuel Oil |
| Coggon | Coggon Municipal Light Plant | Coggon, IA | (MISO) | 15.7 MWh | Sep 1957 | Dec 2023 | Distillate Fuel Oil |
| Muscatine Plant #1 | Board of Water Electric & Communications | Muscatine, IA | (MISO) | 513.4 GWh | Mar 1958 | Jun 2024 | Subbituminous Coal : 99.8% |
| Waverly Municipal Electric North Plant | Waverly Municipal Elec Utility | Waverly, IA | (MISO) | 237.9 MWh | Jul 1958 | Dec 2023 | Distillate Fuel Oil : 53.3% Natural Gas : 46.7% |
| Prairie Creek | Interstate Power and Light Co | Cedar Rapids, IA | (MISO) | 85.8 GWh | Sep 1958 | Jun 2024 | Subbituminous Coal : 71.9% Natural Gas : 28.1% |
| Earl F Wisdom | Corn Belt Power Coop | Spencer, IA | (SWPP) | 2.5 GWh | Mar 1960 | Dec 2022 | Natural Gas : 81.7% Distillate Fuel Oil : 18.3% |
| Iowa State University | Iowa State University | Ames, IA | (MISO) | 89.7 GWh | Sep 1960 | Jun 2024 | Natural Gas : 99.5% |
| Streeter Station | Cedar Falls Utilities | Cedar Falls, IA | (MISO) | 8.8 GWh | Aug 1963 | Dec 2023 | Natural Gas : 95.7% Bituminous Coal : 4.3% |
| Osage (IA) | City of Osage - (IA) | Osage, IA | (MISO) | 4.2 GWh | Aug 1963 | Dec 2023 | Wind : 75.8% Solar : 24.2% |
| Grundy Center City Light Plant | Grundy Center Mun Light & Power | Grundy Center, IA | (MISO) | 494.2 MWh | Oct 1963 | Dec 2022 | Distillate Fuel Oil |
| Story City | City of Story City - (IA) | Story City, IA | (MISO) | 313.6 MWh | Dec 1963 | Dec 2023 | Distillate Fuel Oil : 92.1% Natural Gas : 7.9% |
| George Neal North | MidAmerican Energy Co | Sergeant Bluff, IA | (MISO) | 1.1 TWh | Apr 1964 | Jun 2024 | Subbituminous Coal : 98.6% Natural Gas : 1.4% |
| Algona | City of Algona - (IA) | Algona, IA | (SWPP) | 1.4 GWh | Nov 1965 | Dec 2023 | Distillate Fuel Oil : 86.5% Natural Gas : 13.5% |
| River Hills | MidAmerican Energy Co | Des Moines, IA | (MISO) | 1.8 GWh | Apr 1966 | Dec 2023 | Natural Gas |
| Atlantic | Atlantic Municipal Utilities | Atlantic, IA | (MISO) | 127.9 MWh | Aug 1966 | Dec 2023 | Natural Gas : 90.7% Distillate Fuel Oil : 9.3% |
| New Hampton | City of New Hampton - (IA) | New Hampton, IA | (SWPP) | 2.5 GWh | Mar 1967 | Dec 2023 | Distillate Fuel Oil : 90.0% Natural Gas : 10.0% |
| Rock Rapids | Rock Rapids Municipal Utility | Rock Rapids, IA | (SWPP) | 13.9 MWh | Mar 1968 | Dec 2023 | Distillate Fuel Oil |
| Ames Electric Services Power Plant | City of Ames - (IA) | Ames, IA | (MISO) | 359.7 GWh | Apr 1968 | Dec 2023 | Natural Gas : 90.6% Other Biomass Solids : 9.4% |
| Burlington (IA) | Interstate Power and Light Co | Burlington, IA | (MISO) | 10.1 GWh | May 1968 | Jun 2024 | Natural Gas |
| Preston (IA) | City of Preston | Preston, IA | (MISO) | 54.8 MWh | Nov 1968 | Dec 2023 | Distillate Fuel Oil : 58.6% Natural Gas : 41.4% |
| Merl Parr | MidAmerican Energy Co | Charles City, IA | (MISO) | 809.6 MWh | Apr 1969 | Dec 2023 | Natural Gas |
| Lansing | Interstate Power and Light Co | Lansing, IA | (MISO) | 683.0 GWh | Dec 1969 | May 2023 | Subbituminous Coal : 99.7% |
| Spencer Gas Turbine | City of Spencer - (IA) | Spencer, IA | (MISO) | 1.2 GWh | Dec 1969 | Dec 2023 | Kerosene |
| Coralville GT | MidAmerican Energy Co | Coralville, IA | (MISO) | 1.3 GWh | May 1970 | Dec 2023 | Natural Gas |
| Durant | City of Durant - (IA) | Durant, IA | (MISO) | 49.9 MWh | Jun 1970 | Dec 2023 | Distillate Fuel Oil |
| Sibley One | City of Sibley - (IA) | Sibley, IA | (MISO) | 18.9 MWh | Aug 1971 | Dec 2023 | Distillate Fuel Oil : 53.8% Natural Gas : 46.2% |
| Webster City | City of Webster City - (IA) | Webster City, IA | (MISO) | 2.1 GWh | Mar 1972 | Dec 2023 | Distillate Fuel Oil |
| Ames GT | City of Ames - (IA) | Ames, IA | (MISO) | 1.6 GWh | Apr 1972 | Sep 2023 | Distillate Fuel Oil |
| State Center | City of State Center - (IA) | State Center, IA | (MISO) | 58.8 MWh | Jul 1972 | Dec 2023 | Distillate Fuel Oil : 69.6% Natural Gas : 30.4% |
| Hopkinton | City of Hopkinton - (IA) | Hopkinton, IA | (MISO) | 3.7 MWh | Aug 1973 | Dec 2023 | Distillate Fuel Oil |
| Sycamore (IA) | MidAmerican Energy Co | Johnston, IA | (MISO) | 10.9 GWh | Jul 1974 | Dec 2023 | Natural Gas : 99.7% |
| West Liberty | City of West Liberty - (IA) | West Liberty, IA | (MISO) | 39.0 MWh | Sep 1974 | Dec 2023 | Distillate Fuel Oil |
| Electrifarm | MidAmerican Energy Co | Waterloo, IA | (MISO) | 11.8 GWh | Apr 1975 | Dec 2023 | Natural Gas : 97.1% Distillate Fuel Oil : 2.9% |
| Corning | City of Corning - (IA) | Corning, IA | (MISO) | 39.7 MWh | May 1975 | Dec 2023 | Distillate Fuel Oil |
| Marshalltown | Interstate Power and Light Co | Marshalltown, IA | (MISO) | 127.9 GWh | May 1978 | Dec 2023 | Natural Gas |
| George Neal South | MidAmerican Energy Co | Salix, IA | (MISO) | 1.1 TWh | Jun 1979 | Jun 2024 | Subbituminous Coal : 98.8% Distillate Fuel Oil : 1.2% |
| Ottumwa | Interstate Power and Light Co | Ottumwa, IA | (MISO) | 2.4 TWh | Apr 1981 | Jun 2024 | Subbituminous Coal : 99.6% |
| University of Northern Iowa | University of Northern Iowa | Cedar Falls, IA | (MISO) | 22.9 GWh | Oct 1982 | Jun 2024 | Natural Gas : 78.5% Petroleum Coke : 14.4% Bituminous Coal : 7.1% |
| Louisa | MidAmerican Energy Co | Muscatine, IA | (MISO) | 3.3 TWh | Sep 1983 | Jun 2024 | Subbituminous Coal : 98.8% Natural Gas : 1.2% |
| Alliant SBD 8602 Marion Sub | Industrial Energy Applications Inc | Marion, IA | (MISO) | 16.7 MWh | Jul 1986 | Dec 2023 | Distillate Fuel Oil |
| Sibley No Two | City of Sibley - (IA) | Sibley, IA | (MISO) | 20.5 MWh | Nov 1987 | Dec 2023 | Distillate Fuel Oil : 69.0% Natural Gas : 31.0% |
| Panora | City of Panora - (IA) | Panora, IA | (MISO) | 7.6 MWh | Dec 1987 | Dec 2023 | Distillate Fuel Oil |
| Archer Daniels Midland Des Moines | Archer Daniels Midland Co | Des Moines, IA | (MISO) | 8.6 GWh | Apr 1988 | Dec 2023 | Subbituminous Coal |
| Archer Daniels Midland Cedar Rapids | Archer Daniels Midland Co | Cedar Rapids, IA | (MISO) | 1.1 TWh | Oct 1988 | Jun 2024 | Subbituminous Coal : 59.2% Natural Gas : 29.4% Bituminous Coal : 11.4% |
| Alliant SBD 9201 Norplex | Industrial Energy Applications Inc | Postville, IA | (MISO) | 88.2 MWh | Nov 1988 | Jun 2024 | Distillate Fuel Oil |
| Alliant SBD 9205 A Y McDonald | Industrial Energy Applications Inc | Dubuque, IA | (MISO) | 10.9 MWh | Feb 1990 | Dec 2023 | Distillate Fuel Oil |
| Pleasant Hill | MidAmerican Energy Co | Pleasant Hill, IA | (MISO) | 17.5 GWh | May 1990 | Dec 2023 | Natural Gas : 98.6% Distillate Fuel Oil : 1.4% |
| Lime Creek | Interstate Power and Light Co | Mason City, IA | (MISO) | 1.4 GWh | Apr 1991 | Aug 2023 | Distillate Fuel Oil |
| Des Moines Wastewater Reclamation Fac | Des Moines Metro WRF | Des Moines, IA | (MISO) | 78.7 MWh | Jun 1991 | Dec 2023 | Natural Gas |
| Wilton | City of Wilton - (IA) | Wilton, IA | (MISO) | 40.3 MWh | Dec 1991 | Dec 2023 | Distillate Fuel Oil |
| Alliant SBD 9106 Rockwell CR | Industrial Energy Applications Inc | Cedar Rapids, IA | (MISO) | 246.9 MWh | May 1992 | Dec 2023 | Distillate Fuel Oil |
| Alliant SBD 9107 JBS USA | Industrial Energy Applications Inc | Marshalltown, IA | (MISO) | 42.1 MWh | Jul 1992 | Jun 2024 | Distillate Fuel Oil |
| Alliant SBD 9301 Prairie Farms | Industrial Energy Applications Inc | Dubuque, IA | (MISO) | 49.5 MWh | Jun 1993 | Dec 2023 | Distillate Fuel Oil |
| John Deere Dubuque Works | John Deere Dubuque Works | Dubuque, IA | (MISO) | 128.0 MWh | May 1994 | Jun 2024 | Distillate Fuel Oil |
| Grand Junction | City of Grand Junction - (IA) | Grand Junction, IA | (MISO) | 1.5 MWh | Nov 1994 | Dec 2023 | Distillate Fuel Oil |
| Alliant SBD 9403 Aegon DC | Industrial Energy Applications Inc | Cedar Rapids, IA | (MISO) | 18.9 MWh | Dec 1994 | Dec 2023 | Distillate Fuel Oil |
| Davenport Water Pollution Control Plant | Davenport City of | Davenport, IA | (MISO) | 6.9 GWh | Apr 1995 | Dec 2023 | Other Biomass Gas : 79.8% Natural Gas : 20.2% |
| Alliant SBD 9206 Donaldson | Industrial Energy Applications Inc | Cresco, IA | (MISO) | 4.3 MWh | Oct 1995 | Dec 2023 | Distillate Fuel Oil |
| NCAH Central Utility Plant | National Centers for Animal Health | Ames, IA | (MISO) | 15.3 GWh | May 1996 | Jun 2024 | Natural Gas : 99.2% Distillate Fuel Oil : 0.8% |
| Alliant SBD 9203 Profol | American Profol Incorporated | Cedar Rapids, IA | (MISO) | 149.8 MWh | Aug 1996 | May 2024 | Distillate Fuel Oil |
| Metro Methane Recovery Facility | WM Renewable Energy LLC | Mitchellville, IA | (MISO) | 85.7 GWh | Dec 1997 | Jun 2024 | Landfill Gas |
| West Receiving | City of Denison - (IA) | Denison, IA | (SWPP) | 20.0 MWh | Mar 1998 | Dec 2023 | Distillate Fuel Oil |
| Allendorf | E&E Enterprises LLC | Allendorf, IA | (MISO) | 1.8 GWh | Sep 1998 | Dec 2022 | Wind |
| Alliant SBG 9802 Toyota | Industrial Energy Applications Inc | Cedar Rapids, IA | (MISO) | 82.3 MWh | Nov 1998 | Dec 2023 | Natural Gas |
| Storm Lake II | ALLETE Clean Energy | Alta, IA | (MISO) | 140.7 GWh | Mar 1999 | Dec 2023 | Wind |
| Hawkeye Power Partners LLC | Hawkeye Power Partners LLC | Garner, IA | (MISO) | 184.9 GWh | Mar 1999 | Dec 2023 | Wind |
| Storm Lake 1 | ALLETE Clean Energy | Alta, IA | (MISO) | 104.7 GWh | Apr 1999 | Dec 2023 | Wind |
| Waterloo Lundquist | MidAmerican Energy Co | Waterloo, IA | (MISO) | 75.5 MWh | Mar 2000 | Dec 2023 | Distillate Fuel Oil |
| Knoxville Industrial | MidAmerican Energy Co | Knoxville, IA | (MISO) | 61.9 MWh | Mar 2000 | Dec 2023 | Distillate Fuel Oil |