Midcontinent Independent System Operator, Inc.
Balancing Authority Summary Information
Midcontinent Independent System Operator, Inc. is ranked #2 out of 65 balancing authorities in terms of total annual electricity generation.
| Balancing Authority | Midcontinent Independent System Operator, Inc. |
|---|---|
| States | Arkansas Illinois Indiana Iowa Kentucky Louisiana Michigan Minnesota Mississippi Missouri Montana North Dakota South Dakota Texas Wisconsin |
| Last Update | Nov 2024 |
| Annual Generation | 632.0 TWh |
| Power Plants | 2,653 |
| Utilities | 1,202 |
| Ranked #2 out of 65 in terms of net annual generation | |
| Ranked #2 out of 53 in terms of annual generation from natural gas | |
| Power Plant Types | Natural Gas | 39.9% Coal | 26.1% Wind | 15.6% Nuclear | 14% Solar | 2.2% Water | 1.7% Other Fuel | 0.4% |
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Daily Net Generation for Midcontinent Independent System Operator, Inc. for the past 3 Years
| Plant Name | Utility | Location | Annual Generation | Plant Date | Last Update | Fuel Types |
|---|---|---|---|---|---|---|
| Webster City | City of Webster City - (IA) | Webster City, IA | 2 GWh | Mar 1972 | Dec 2023 | Distillate Fuel Oil |
| Waterloo | City of Waterloo - (IL) | Waterloo, IL | 462 MWh | May 1946 | Dec 2023 | Natural Gas : 73.4% Distillate Fuel Oil : 26.6% |
| Villisca Municipal Power Plant | City of Villisca - (IA) | Villisca, IA | 13 MWh | May 2003 | Dec 2023 | Distillate Fuel Oil |
| Truman | City of Truman | Truman, MN | 18 MWh | Aug 1938 | Dec 2023 | Distillate Fuel Oil |
| Traer Main | City of Traer - (IA) | Traer, IA | 7 MWh | Dec 1962 | Dec 2023 | Distillate Fuel Oil : 93.4% Natural Gas : 6.6% |
| Traer Wind Project | City of Traer - (IA) | Traer, IA | 6 GWh | Sep 2010 | Dec 2023 | Wind |
| Tipton | City of Tipton - (IA) | Tipton, IA | 42 MWh | Oct 1955 | Dec 2023 | Distillate Fuel Oil |
| Thief River Falls | City of Thief River Falls | Thief River Falls, MN | 3 GWh | Jul 1927 | Dec 2023 | Water : 99.8% |
| Sumner | City of Sumner - (IA) | Sumner, IA | 655 MWh | Jul 1956 | Dec 2023 | Distillate Fuel Oil |
| Sullivan (IL) | City of Sullivan - (IL) | Sullivan, IL | 212 MWh | May 1946 | Sep 2024 | Distillate Fuel Oil |
| Gilliam South | City of Stuart - (IA) | Stuart, IA | 1 MWh | Jan 2001 | Dec 2023 | Distillate Fuel Oil |
| Stuart (IA) | City of Stuart - (IA) | Stuart, IA | 1 MWh | Jan 1956 | Dec 2022 | Distillate Fuel Oil |
| South Strawberry | City of Strawberry Point | Strawberry Point, IA | 12 MWh | Dec 2001 | Dec 2023 | Distillate Fuel Oil |
| Story City | City of Story City - (IA) | Story City, IA | 233 MWh | Dec 1963 | Dec 2023 | Distillate Fuel Oil : 95.6% Natural Gas : 4.4% |
| State Center | City of State Center - (IA) | State Center, IA | 53 MWh | Jul 1972 | Dec 2023 | Distillate Fuel Oil : 69.0% Natural Gas : 31.0% |
| St Louis | City of St Louis - (MI) | St. Louis, MI | 175 MWh | Dec 1918 | Dec 2023 | Water : 95.4% Distillate Fuel Oil : 4.6% |
| St James | City of St James - (MN) | St James, MN | 38 MWh | Jun 2002 | Dec 2023 | Distillate Fuel Oil |
| St. Charles Power Plant | City of St Charles - (MN) | St. Charles, MN | 82 MWh | Nov 2004 | Dec 2023 | Distillate Fuel Oil |
| Interstate | City of Springfield - (IL) | Springfield, IL | 40 GWh | Aug 1997 | Dec 2023 | Natural Gas : 99.9% |
| Factory | City of Springfield - (IL) | Springfield, IL | 64 MWh | Jul 1973 | Dec 2023 | Distillate Fuel Oil |
| Reynolds | City of Springfield - (IL) | Springfield, IL | 66 MWh | Oct 1970 | Dec 2023 | Distillate Fuel Oil |
| Dallman | City of Springfield - (IL) | Springfield, IL | 534 GWh | May 1968 | Sep 2024 | Bituminous Coal : 99.0% Natural Gas : 1.0% |
| Spencer Gas Turbine | City of Spencer - (IA) | Spencer, IA | 1 GWh | Dec 1969 | Dec 2023 | Kerosene |
| Sibley No Two | City of Sibley - (IA) | Sibley, IA | 18 MWh | Nov 1987 | Dec 2023 | Distillate Fuel Oil : 69.9% Natural Gas : 30.1% |
| Sibley One | City of Sibley - (IA) | Sibley, IA | 16 MWh | Aug 1971 | Dec 2023 | Distillate Fuel Oil : 54.7% Natural Gas : 45.3% |
| Rockford | City of Rockford- (IA) | Rockford, IA | 14 MWh | Jul 1951 | Dec 2022 | Distillate Fuel Oil |
| Upper Sterling | City of Rock Falls - (IL) | Rock Falls, IL | 9 GWh | May 1988 | Dec 2023 | Water |
| Industrial Park | City of Rock Falls - (IL) | Rock Falls, IL | 561 MWh | Jun 2001 | Dec 2023 | Distillate Fuel Oil |
| Avenue A Generator Sets | City of Rock Falls - (IL) | Rock Falls, IL | 171 MWh | Aug 2000 | Dec 2023 | Distillate Fuel Oil |
| Water Reclamation Plant | City of Rochester | Rochester, MN | 3 GWh | Feb 2003 | Dec 2023 | Other Biomass Gas |
| Red Bud | City of Red Bud - (IL) | Red Bud, IL | 123 MWh | Feb 1959 | Dec 2023 | Distillate Fuel Oil |
| Princeton (IL) | City of Princeton - (IL) | Princeton, IL | 1 GWh | Jun 1953 | Dec 2023 | Natural Gas : 99.0% Distillate Fuel Oil : 1.0% |
| Preston (IA) | City of Preston | Preston, IA | 54 MWh | Nov 1968 | Dec 2023 | Distillate Fuel Oil : 59.1% Natural Gas : 40.9% |
| Frank Jenkins | City of Portland - (MI) | Portland, MI | 101 MWh | Apr 1950 | Dec 2023 | Distillate Fuel Oil : 79.0% Natural Gas : 21.0% |
| West Diesel Generation Unit | City of Pocahontas - (IA) | Pocahontas, IA | 10 MWh | May 2006 | Dec 2023 | Distillate Fuel Oil |
| Peru (IN) | City of Peru - (IN) | Peru, IN | 1 MWh | May 1949 | Dec 2023 | Distillate Fuel Oil |
| Peru (IL) | City of Peru - (IL) | City of Peru, IL | 19 GWh | Sep 1968 | Sep 2024 | Water : 99.0% Distillate Fuel Oil : 0.8% |
| Pella Peaking | City of Pella - (IA) | Pella, IA | 291 MWh | May 2003 | Dec 2023 | Distillate Fuel Oil |
| Panora | City of Panora - (IA) | Panora, IA | 6 MWh | Dec 1987 | Dec 2023 | Distillate Fuel Oil |
| Owatonna | City of Owatonna - (MN) | Owatonna, MN | 1 GWh | Mar 1982 | Dec 2023 | Natural Gas |
| Osage (IA) | City of Osage - (IA) | Osage, IA | 4 GWh | Aug 1963 | Dec 2023 | Wind : 73.8% Solar : 26.2% |
| Ogden | City of Ogden - (IA) | Ogden, IA | 5 MWh | Jun 1951 | Dec 2023 | Distillate Fuel Oil |
| Norway (MI) | City of Norway | Norway, MI | 28 GWh | May 1905 | Dec 2023 | Water |
| Murray | City of North Little Rock - (AR) | North Little Rock, AR | 142 GWh | Sep 1988 | Dec 2023 | Water |
| New Lisbon | City of New Lisbon | New Lisbon, WI | 50 MWh | Dec 1965 | Dec 2023 | Distillate Fuel Oil |
| Mountain Lake | City of Mountain Lake - (MN) | Mountain Lake, MN | 2 GWh | Apr 1954 | Dec 2023 | Wind : 97.8% Natural Gas : 2.0% |
| Montezuma | City of Montezuma - (IA) | Montezuma, IA | 138 MWh | Jul 1940 | Dec 2023 | Distillate Fuel Oil : 65.1% Natural Gas : 34.9% |
| McGregor | City of McGregor- (IA) | McGregor, IA | 4 MWh | Nov 1941 | Dec 2023 | Distillate Fuel Oil |
| Marshfield Utilities Gas Plant | City of Marshfield - (WI) | Marshfield, WI | 9 GWh | May 2011 | Dec 2023 | Natural Gas |
| Marshall (MN) | City of Marshall - (MN) | Marshall, MN | 58 MWh | Jun 1969 | Dec 2023 | Distillate Fuel Oil |
| Marshall (MI) | City of Marshall - (MI) | Marshall, MI | 611 MWh | May 1928 | Dec 2023 | Water |
| Marshall (IL) | City of Marshall - (IL) | Marshall, IL | 202 MWh | Mar 2002 | Dec 2023 | Distillate Fuel Oil |
| James R Smith | City of Marquette - (MI) | Marquette, MI | 16 GWh | Dec 1918 | Dec 2023 | Water |
| Plant Four | City of Marquette - (MI) | Marquette, MI | 26 MWh | Apr 1979 | Dec 2023 | Distillate Fuel Oil |
| Marquette Energy Center | City of Marquette - (MI) | Marquette, MI | 153 GWh | Jul 2017 | Dec 2023 | Natural Gas : 98.9% Distillate Fuel Oil : 1.1% |
| Marceline | City of Marceline - (MO) | Marceline, MO | 7 MWh | Jul 1989 | Dec 2023 | Distillate Fuel Oil |
| Maquoketa 1 | City of Maquoketa - (IA) | Maquoketa, IA | 27 MWh | May 1956 | Dec 2023 | Natural Gas : 87.4% Distillate Fuel Oil : 12.6% |
| Chatham | City of Lowell - (MI) | Lowell, MI | 48 MWh | Aug 2013 | Dec 2023 | Natural Gas |
| Lenox | City of Lenox - (IA) | Lenox, IA | 12 MWh | Aug 1948 | Dec 2023 | Distillate Fuel Oil |
| Lamoni Municipal Utilities | City of Lamoni - (IA) | Lamoni, IA | 135 MWh | Feb 1940 | Dec 2023 | Distillate Fuel Oil |
| Lakefield Utilities | City of Lakefield - (MN) | Lakefield, MN | 13 MWh | Jan 1985 | Dec 2023 | Distillate Fuel Oil |
| Lake Park | City of Lake Park - (IA) | Lake Park, IA | 46 MWh | Mar 2005 | Dec 2023 | Distillate Fuel Oil |
| Lake Mills | City of Lake Mills | Lake Mills, IA | 32 MWh | Dec 1955 | Dec 2023 | Distillate Fuel Oil |
| Lake Crystal | City of Lake Crystal - (MN) | Lake Crystal, MN | 9 MWh | Apr 1952 | Dec 2023 | Distillate Fuel Oil |
| Kaukauna City Hydro | City of Kaukauna | Kaukauna, WI | 28 GWh | Nov 1940 | Dec 2023 | Water |
| Kaukauna Gas Turbine | City of Kaukauna | Kaukauna, WI | 741 MWh | Apr 1969 | Dec 2023 | Natural Gas |
| Little Chute | City of Kaukauna | Combined Locks, WI | 20 GWh | May 1948 | Dec 2023 | Water |
| New Badger | City of Kaukauna | Kaukauna, WI | 47 GWh | Dec 2013 | Sep 2024 | Water |
| Rapide Croche | City of Kaukauna | Kaukana, WI | 15 GWh | Dec 1925 | Dec 2023 | Water |
| Combined Locks | City of Kaukauna | Combined Locks, WI | 39 GWh | Jan 1988 | Dec 2023 | Water |
| Kimberly Mill | City of Kaukauna | Appleton, WI | 12 GWh | Dec 1925 | Dec 2023 | Water |
| Kahoka | City of Kahoka | Kahoka, MO | 17 MWh | Dec 1940 | Dec 2023 | Distillate Fuel Oil |
| Janesville | City of Janesville - (MN) | Janesville, MN | 69 MWh | Apr 1955 | Dec 2023 | Distillate Fuel Oil : 93.5% Natural Gas : 6.5% |
| Jackson (MO) | City of Jackson - (MO) | Jackson, MO | 137 MWh | Dec 1935 | Dec 2023 | Distillate Fuel Oil : 59.8% Natural Gas : 40.2% |
| Hopkinton | City of Hopkinton - (IA) | Hopkinton, IA | 2 MWh | Aug 1973 | Dec 2023 | Distillate Fuel Oil |
| 491 E 48th Street | City of Holland | Holland, MI | 65 GWh | Apr 1992 | Dec 2023 | Natural Gas |
| Holland Energy Park | City of Holland | Holland, MI | 947 GWh | May 2017 | Dec 2023 | Natural Gas |
| Hillsboro | City of Hillsboro - (ND) | Hillsboro, ND | 15 MWh | Jun 2002 | Dec 2023 | Distillate Fuel Oil |
| Highland | City of Highland | Highland, IL | 105 MWh | Feb 1967 | Dec 2023 | Distillate Fuel Oil |
| Halstad | City of Halstad - (MN) | Halstad, MN | 10 MWh | Aug 2007 | Dec 2023 | Distillate Fuel Oil |
| North Generation Plant | City of Greenfield - (IA) | Greenfield, IA | 45 MWh | Dec 2001 | Dec 2023 | Distillate Fuel Oil |
| Downtown Generation Plant | City of Greenfield - (IA) | Greenfield, IA | 6 MWh | Jun 2020 | Dec 2023 | Distillate Fuel Oil |
| Granite Falls | City of Granite Falls - (MN) | Granite Falls, MN | 604 MWh | Jul 1932 | Dec 2023 | Water |
| Grand Marais | City of Grand Marais - (MN) | Grand Marais, MN | 93 MWh | Jan 2004 | Dec 2023 | Distillate Fuel Oil |
| Grand Junction | City of Grand Junction - (IA) | Grand Junction, IA | 1 MWh | Nov 1994 | Dec 2023 | Distillate Fuel Oil |
| Graettinger | City of Graettinger - (IA) | Graettinger, IA | 255 MWh | Jul 1957 | Dec 2023 | Distillate Fuel Oil |
| Geneseo | City of Geneseo - (IL) | Geneseo, IL | 8 GWh | Jun 1957 | Sep 2024 | Wind : 73.4% Solar : 21.3% Distillate Fuel Oil : 5.2% |
| Forest City Light Plant | City of Forest City- (IA) | Forest City, IA | 120 MWh | Dec 1945 | Dec 2023 | Distillate Fuel Oil |
| Flora Site A | City of Flora - (IL) | Flora, IL | 40 MWh | Nov 2001 | Dec 2023 | Distillate Fuel Oil |
| Flora Site B | City of Flora - (IL) | Flora, IL | 27 MWh | Nov 2001 | Dec 2023 | Distillate Fuel Oil |
| Fennimore | City of Fennimore - (WI) | Fennimore, WI | 28 MWh | Jan 1952 | Dec 2023 | Distillate Fuel Oil |
| Walton Street Substation | City of Farmington - (MO) | Farmington, MO | 12 MWh | Dec 2002 | Dec 2023 | Distillate Fuel Oil |
| Overall Road Station | City of Farmington - (MO) | Farmington, MO | 32 MWh | Feb 2003 | Dec 2023 | Distillate Fuel Oil |
| Elm Street Substation Generators | City of Farmington - (MO) | Farmington, MO | 32 MWh | Sep 2002 | Dec 2023 | Distillate Fuel Oil |
| Farmer City | City of Farmer City - (IL) | Farmer City, IL | 36 MWh | Mar 1951 | Dec 2023 | Distillate Fuel Oil |
| Fairfax | City of Fairfax - (MN) | Fairfax, MN | 35 MWh | Jul 2001 | Dec 2023 | Distillate Fuel Oil |
| Elroy | City of Elroy - (WI) | Elroy, WI | 1 MWh | Apr 1973 | Dec 2023 | Distillate Fuel Oil |
| Elk River City of | City of Elk River | Elk River, MN | 32 MWh | Feb 1948 | Dec 2023 | Distillate Fuel Oil |
| Earlville | City of Earlville - (IA) | Earlville, IA | 12 MWh | Jun 2001 | Dec 2023 | Distillate Fuel Oil |
| Durant | City of Durant - (IA) | Durant, IA | 48 MWh | Jun 1970 | Dec 2023 | Distillate Fuel Oil |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #61 | Alcoa Power Generating, Inc. - Yadkin Division | 903.4 GWh | 4 |
| #26 | Associated Electric Cooperative, Inc. | 22.4 TWh | 47 |
| #13 | Duke Energy Carolinas | 110.9 TWh | 556 |
| #51 | Duke Energy Progress West | 4.1 TWh | 10 |
| #24 | Louisville Gas and Electric Company and Kentucky Utilities Company | 33.1 TWh | 20 |
| #1 | PJM Interconnection, LLC | 843.4 TWh | 2,305 |
| #21 | Public Service Company of Colorado | 45.2 TWh | 201 |
| #5 | Southwest Power Pool | 290.4 TWh | 762 |
| #52 | Southwestern Power Administration | 3.6 TWh | 31 |
| #9 | Tennessee Valley Authority | 157.6 TWh | 170 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #1 | PJM Interconnection, LLC | 843.4 TWh | 2,305 |
| #2 | Midcontinent Independent System Operator, Inc. | 632.0 TWh | 2,653 |
| #3 | Electric Reliability Council of Texas, Inc. | 462.2 TWh | 1,139 |
| #5 | Southwest Power Pool | 290.4 TWh | 762 |
| #6 | Southern Company Services, Inc. - Trans | 248.1 TWh | 393 |
| #7 | California Independent System Operator | 192.0 TWh | 1,943 |
| #9 | Tennessee Valley Authority | 157.6 TWh | 170 |
| #10 | Florida Power & Light Co. | 147.6 TWh | 159 |
| #12 | New York Independent System Operator | 129.8 TWh | 1,100 |
| #13 | Duke Energy Carolinas | 110.9 TWh | 556 |