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.
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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 |
|---|---|---|---|---|---|---|
| Storm Lake II | ALLETE Clean Energy | Alta, IA | 114 GWh | Mar 1999 | Dec 2024 | Wind |
| Alsey | Prairie Power, Inc | Alsey, IL | 39 GWh | May 1999 | Dec 2024 | Natural Gas |
| Ninth Street Hydropower Project | Eagle Creek Renewable Energy, LLC | Alpena, MI | 7 GWh | Aug 1990 | Dec 2024 | Water |
| Four Mile Hydropower Project | Eagle Creek Renewable Energy, LLC | Alpena, MI | 9 GWh | Aug 1990 | Dec 2024 | Water |
| Norway Point Hydropower Project | Eagle Creek Renewable Energy, LLC | Alpena, MI | 15 GWh | Aug 1990 | Dec 2024 | Water |
| Decorative Panels Intl | Decorative Panels International, Inc. | Alpena, MI | 43 GWh | Oct 1957 | Dec 2023 | Natural Gas : 79.6% Wood/Wood Waste Solids : 20.4% |
| Alpena Cement Plant | Lafarge Corp | Alpena, MI | 177 GWh | Dec 1951 | Sep 2025 | Petroleum Coke : 83.7% Natural Gas : 16.3% |
| John P Madgett | Dairyland Power Coop | Alma, WI | 1 TWh | Oct 1979 | Sep 2025 | Subbituminous Coal : 99.8% |
| Pine River Solar Park | DTE Electric Company | Alma, MI | 67 GWh | - | Sep 2025 | Solar |
| Grand Valley Solar Gardens | Consumers Energy Co - (MI) | Allendale, MI | 4 GWh | Mar 2016 | Sep 2025 | Solar |
| Allegan Dam | Consumers Energy Co - (MI) | Allegan, MI | 12 GWh | Dec 1934 | Dec 2024 | Water |
| Alexandria | City of Alexandria - (MN) | Alexandria, MN | 43 MWh | Dec 1947 | Dec 2024 | Distillate Fuel Oil |
| D G Hunter | City of Alexandria - (LA) | Alexandria, LA | 69 GWh | Apr 1965 | Dec 2024 | Natural Gas |
| Leonardo Wind 1 LLC | Leonardo Wind 1 LLC | Alden, IA | 10 GWh | Nov 2016 | Dec 2024 | Wind |
| The Andersons Albion Ethanol LLC | The Andersons Albion Ethanol LLC | Albion, MI | 63 GWh | Jul 2006 | Dec 2024 | Natural Gas |
| River Fork Solar, LLC | River Fork Solar, LLC | Albion, MI | 274 GWh | Sep 2024 | Sep 2025 | Solar |
| Shipsterns Solar, LLC | Shipsterns Solar, LLC | Albion, MI | 35 GWh | Sep 2023 | Dec 2024 | Solar |
| REG Juhl Glenville Wind, LLC | REG Juhl Glenville Wind, LLC | Albert Lea, MN | 9 GWh | Nov 2020 | Dec 2024 | Wind |
| Goose Lake MN DPC-GM | ENGIE Generation North America LLC | Albert Lea, MN | 3 GWh | Jan 2019 | Dec 2024 | Solar |
| FastSun 3 CSG | Altus Power America Management, LLC | Albany, MN | 2 GWh | Nov 2019 | Dec 2024 | Solar |
| Novel Reber Solar CSG | REA Investments, LLC | Albany, MN | 2 GWh | Oct 2019 | Dec 2024 | Solar |
| Schwinghamer Project CSG | Schwinghamer Community Solar LLC | Albany, MN | 2 GWh | Nov 2019 | Dec 2024 | Solar |
| Stearns Community Solar One LLC CSG | Madison Energy Holdings LLC | Albany, MN | 2 GWh | Nov 2019 | Dec 2024 | Solar |
| Albany Solar | Enel Green Power NA, Inc. | Albany, MN | 19 GWh | Nov 2016 | Dec 2024 | Solar |
| Stearns Solar I | Stearns Solar I LLC | Albany, MN | 2 GWh | Aug 2019 | May 2024 | Solar |
| Novel MNDot Solar CSG | REA Investments, LLC | Afton, MN | 2 GWh | Oct 2020 | Dec 2024 | Solar |
| SV CSG AFTON I | SV CSG Afton I, LLC | Afton, MN | 642 MWh | Jun 2024 | Dec 2024 | Solar |
| Blue Elk IV Solar, LLC | Blue Elk IV Solar, LLC | Adrian, MI | 38 GWh | Nov 2023 | Dec 2024 | Solar |
| Adrian Energy Associates LLC | NextEra Renewable Fuels, LLC | Adrian, MI | 8 GWh | Nov 1994 | Dec 2024 | Landfill Gas |
| Castle Rock | Wisconsin River Power Company | Adams, WI | 92 GWh | Jul 1950 | Dec 2024 | Water |
| Adams PV Plant | Adams PV Plant (WI) | Adams, WI | 17 GWh | Jun 2023 | Dec 2024 | Solar |
| Adams Wind Farm | Consolidated Edison Development Inc. | Adams, MN | 20 GWh | Aug 2003 | Dec 2024 | Wind |
| Adair Wind Farm | MidAmerican Energy Co | Adair, IA | 555 GWh | Nov 2008 | Dec 2024 | Wind |
| Eclipse Wind Farm | MidAmerican Energy Co | Adair, IA | 826 GWh | Aug 2012 | Sep 2025 | Wind |
| Morning Light Wind Farm | MidAmerican Energy Co | Adair, IA | 413 GWh | Sep 2012 | Dec 2024 | Wind |
| Ada Cogeneration LP | Ada Cogeneration LLC | Ada, MI | 158 GWh | Sep 1990 | Dec 2024 | Natural Gas |
| Ada Dam | Eagle Creek Renewable Energy, LLC | Ada, MI | 2 GWh | Feb 1984 | Dec 2024 | Water |
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 |