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 2025 |
| Annual Generation | 655.1 TWh |
| Power Plants | 2,831 |
| Utilities | 1,296 |
| 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 | 35.7% Coal | 29% Wind | 14.9% Nuclear | 13.9% Solar | 4.5% Water | 1.5% Other Fuel | 0.6% |
Map of Midcontinent Independent System Operator, Inc.
Register Now for Comprehensive Access
Subscribe now to access all power plant data, utility information, FERC EQR data, and more for Midcontinent Independent System Operator, Inc..
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 |
|---|---|---|---|---|---|---|
| Alliant SBD 9403 Aegon DC | Industrial Energy Applications Inc | Cedar Rapids, IA | 10 MWh | Dec 1994 | Dec 2024 | Distillate Fuel Oil |
| Alliant SBG 9802 Toyota | Industrial Energy Applications Inc | Cedar Rapids, IA | 10 MWh | Nov 1998 | Dec 2024 | Natural Gas |
| Wilton | City of Wilton - (IA) | Wilton, IA | 9 MWh | Dec 1991 | Dec 2024 | Distillate Fuel Oil |
| Westbrook | City of Westbrook | Westbrook, MN | 9 MWh | Sep 2003 | Dec 2024 | Distillate Fuel Oil |
| Washington Island | Washington Island El Coop, Inc | Washington Island, WI | 9 MWh | Nov 1945 | Dec 2023 | Distillate Fuel Oil |
| Thomson Reuters Data Center Bldg ES101 | Ryan Companies US, Inc. | Eagan, MN | 9 MWh | Apr 2009 | Aug 2024 | Distillate Fuel Oil |
| Preston (IA) | City of Preston | Preston, IA | 9 MWh | Nov 1968 | Dec 2024 | Natural Gas : 89.7% Distillate Fuel Oil : 10.3% |
| Alliant SBD 9205 A Y McDonald | Industrial Energy Applications Inc | Dubuque, IA | 9 MWh | Feb 1990 | Dec 2024 | Distillate Fuel Oil |
| Coggon | Coggon Municipal Light Plant | Coggon, IA | 8 MWh | Sep 1957 | Dec 2024 | Distillate Fuel Oil |
| Stevens Community Medical Center | Stevens Community Medical Center | Morris, MN | 8 MWh | Apr 2004 | Dec 2023 | Distillate Fuel Oil |
| Cashton | Village of Cashton - (WI) | Cashton, WI | 8 MWh | Jul 1932 | Dec 2024 | Distillate Fuel Oil : 98.9% Natural Gas : 1.1% |
| McGregor | City of McGregor- (IA) | McGregor, IA | 7 MWh | Nov 1941 | Dec 2024 | Distillate Fuel Oil |
| Villisca Municipal Power Plant | City of Villisca - (IA) | Villisca, IA | 7 MWh | May 2003 | Dec 2024 | Distillate Fuel Oil |
| Earlville | City of Earlville - (IA) | Earlville, IA | 7 MWh | Jun 2001 | Dec 2024 | Distillate Fuel Oil |
| Evonik Industries AG | Evonik Degussa Corporation | Lafayette, IN | 7 MWh | Apr 1992 | Dec 2024 | Distillate Fuel Oil |
| Peru (IN) | City of Peru - (IN) | Peru, IN | 6 MWh | May 1949 | Dec 2024 | Distillate Fuel Oil |
| Lakefield Utilities | City of Lakefield - (MN) | Lakefield, MN | 6 MWh | Jan 1985 | Dec 2024 | Distillate Fuel Oil |
| Walton Street Substation | City of Farmington - (MO) | Farmington, MO | 6 MWh | Dec 2002 | Dec 2024 | Distillate Fuel Oil |
| Caro | Thumb Electric Coop of Mich | Caro, MI | 6 MWh | Jul 1949 | Dec 2023 | Distillate Fuel Oil |
| Alliant SBD 9206 Donaldson | Industrial Energy Applications Inc | Cresco, IA | 6 MWh | Oct 1995 | Dec 2024 | Distillate Fuel Oil |
| Gowrie | Gowrie Municipal Utilities | Gowrie, IA | 5 MWh | Dec 2012 | Dec 2024 | Distillate Fuel Oil |
| Kahoka | City of Kahoka | Kahoka, MO | 5 MWh | Dec 1940 | Dec 2024 | Distillate Fuel Oil |
| La Farge | La Farge Municipal Electric Co | La Farge, WI | 5 MWh | Sep 1990 | Dec 2024 | Distillate Fuel Oil |
| Viola | Village of Viola - (WI) | Viola, WI | 5 MWh | Dec 2001 | Dec 2024 | Distillate Fuel Oil |
| Panora | City of Panora - (IA) | Panora, IA | 5 MWh | Dec 1987 | Dec 2024 | Distillate Fuel Oil |
| Grand Junction | City of Grand Junction - (IA) | Grand Junction, IA | 4 MWh | Nov 1994 | Dec 2024 | Distillate Fuel Oil |
| Rockford | City of Rockford- (IA) | Rockford, IA | 4 MWh | Jul 1951 | Dec 2024 | Distillate Fuel Oil |
| Marceline | City of Marceline - (MO) | Marceline, MO | 4 MWh | Jul 1989 | Dec 2024 | Distillate Fuel Oil |
| Melrose 2 | Melrose Public Utilities | Melrose, MN | 3 MWh | Feb 2014 | Dec 2024 | Distillate Fuel Oil |
| Harlan | Harlan Municipal Utilities - (IA) | Harlan, IA | 2 MWh | Jun 2001 | Dec 2024 | Distillate Fuel Oil |
| Plant Four | City of Marquette - (MI) | Marquette, MI | 2 MWh | Apr 1979 | Dec 2024 | Distillate Fuel Oil |
| Fairfax | City of Fairfax - (MN) | Fairfax, MN | 2 MWh | Jul 2001 | Dec 2024 | Distillate Fuel Oil |
| Elroy | City of Elroy - (WI) | Elroy, WI | 2 MWh | Apr 1973 | Dec 2024 | Distillate Fuel Oil |
| Gilliam South | City of Stuart - (IA) | Stuart, IA | 2 MWh | Jan 2001 | Dec 2024 | Distillate Fuel Oil |
| Main Street (MI) | Village of Sebewaing - (MI) | Sebewaing, MI | 1 MWh | May 1947 | Dec 2023 | Distillate Fuel Oil |
| Springfield (MN) | Springfield Public Utils Comm - (MN) | Springfield, MN | 1 MWh | May 1994 | Dec 2024 | Distillate Fuel Oil |
| Lake Hallie | Standard Solar | Chippewa Falls, WI | 1 MWh | Nov 2024 | Dec 2024 | Solar |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #61 | Alcoa Power Generating, Inc. - Yadkin Division | 696.7 GWh | 4 |
| #27 | Associated Electric Cooperative, Inc. | 23.6 TWh | 47 |
| #13 | Duke Energy Carolinas | 112.5 TWh | 565 |
| #52 | Duke Energy Progress West | 4.3 TWh | 10 |
| #24 | Louisville Gas and Electric Company and Kentucky Utilities Company | 34.4 TWh | 25 |
| #1 | PJM Interconnection, LLC | 870.7 TWh | 2,465 |
| #6 | Southern Company Services, Inc. - Trans | 250.9 TWh | 417 |
| #5 | Southwest Power Pool | 299.9 TWh | 835 |
| #49 | Southwestern Power Administration | 5.2 TWh | 34 |
| #9 | Tennessee Valley Authority | 161.6 TWh | 204 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #1 | PJM Interconnection, LLC | 870.7 TWh | 2,465 |
| #2 | Midcontinent Independent System Operator, Inc. | 655.1 TWh | 2,831 |
| #4 | Electric Reliability Council of Texas, Inc. | 485.0 TWh | 1,313 |
| #5 | Southwest Power Pool | 299.9 TWh | 835 |
| #6 | Southern Company Services, Inc. - Trans | 250.9 TWh | 417 |
| #7 | California Independent System Operator | 188.0 TWh | 2,075 |
| #9 | Tennessee Valley Authority | 161.6 TWh | 204 |
| #10 | Florida Power & Light Co. | 148.9 TWh | 187 |
| #12 | New York Independent System Operator | 131.6 TWh | 1,211 |
| #13 | Duke Energy Carolinas | 112.5 TWh | 565 |