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 | Apr 2026 |
| Annual Generation | 664.4 TWh |
| Power Plants | 2,831 |
| Utilities | 1,296 |
| Ranked #2 out of 65 in terms of net annual generation | |
| Ranked #2 out of 54 in terms of annual generation from natural gas | |
| Power Plant Types | Natural Gas | 36.9% Coal | 27.6% Wind | 14.8% Nuclear | 13.6% Solar | 5% Water | 1.4% Other Fuel | 0.5% |
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 |
|---|---|---|---|---|---|---|
| Little Falls (MN) | ALLETE, Inc. | Little Falls, MN | 32 GWh | Dec 1905 | Dec 2024 | Water |
| Norway (MI) | City of Norway | Norway, MI | 27 GWh | May 1905 | Dec 2024 | Water |
| Wisconsin Rapids | Consolidated Water Power Co | Wisconsin Rapids, WI | 50 GWh | Dec 1902 | Dec 2024 | Water |
| Edison Sault | Cloverland Electric Co-op | Sault Ste. Marie, MI | 199 GWh | Jun 1901 | Dec 2024 | Water |
| Apple River | Northern States Power Co - Minnesota | Somerset, WI | 13 GWh | Dec 1900 | Dec 2024 | Water |
| Little Quinnesec Falls Hydro Project | Eagle Creek Renewable Energy, LLC | Niagara, WI | 57 GWh | Nov 1900 | Dec 2024 | Water |
| Biron | Consolidated Water Power Co | Biron, WI | 31 GWh | Dec 1895 | Dec 2024 | Water |
| Whiting | Consolidated Water Power Co | Whiting, WI | 25 GWh | Dec 1890 | Dec 2024 | Water |
| Panther Creek Wind Project | Greenbacker Renewable Energy Corporation | Pittsfield, IL | 148 GWh | - | Feb 2026 | Wind |
| Badger Wind, LLC | Badger Wind , LLC | Northwest McIntosh, ND | 134 GWh | - | Feb 2026 | Wind |
| Calhoun County Solar Project | AES Clean Energy | Sheridan Township, MI | 235 GWh | - | Feb 2026 | Solar |
| Darien Solar | Wisconsin Electric Power Co | Darien, WI | 355 GWh | - | Feb 2026 | Solar |
| Prairie Solar LLC | MN8 Energy LLC | Sidney, IL | 25 GWh | - | Feb 2026 | Solar |
| Muskegon Solar | Consumers Energy Co - (MI) | Muskegon, MI | 27 GWh | - | Feb 2026 | Solar |
| Speedway Solar, LLC | Speedway Solar, LLC | Morrison Town, IN | 258 GWh | - | Feb 2026 | Solar |
| Envoy Solar, LLC | Birch Creek Power, LLC | Mexico, MO | 108 GWh | - | Feb 2026 | Solar |
| Richland Township Solar, LLC | Birch Creek Power, LLC | Washburn, IL | 77 GWh | - | Feb 2026 | Solar |
| Salt Creek Township Solar, LLC | Birch Creek Power, LLC | Mason City, IL | 106 GWh | - | Feb 2026 | Solar |
| Long Lake Solar, LLC | Long Lake Solar, LLC | West Helena, AR | 433 GWh | - | Feb 2026 | Solar |
| Sterlington Solar | Entergy Louisiana LLC | Sterlington, LA | 11 GWh | - | Feb 2026 | Solar |
| Winfield Solar | Winfield Solar I, LLC | Winfield, MO | 219 GWh | - | Feb 2026 | Solar |
| Genesee Solar Project | Genesee Solar Energy, LLC | Flint, MI | 7 GWh | - | Feb 2026 | Solar |
| Posey Solar | Southern Indiana Gas & Elec Co | Mount Vernon, IN | 316 GWh | - | Feb 2026 | Solar |
| Magnolia Power | Magnolia Power Holdings LLC | Plaquemine, LA | 867 GWh | - | Feb 2026 | Natural Gas |
| Quartz Solar, LLC | Quartz Solar, LLC | Wynne, AR | 299 GWh | - | Feb 2026 | Solar |
| Forgeview Solar | Forgeview Solar, LLC | Blytheville, AR | 68 GWh | - | Feb 2026 | Solar |
| Flat Fork Solar | Flat Fork Solar, LLC | Wheatley, AR | 208 GWh | - | Feb 2026 | Solar |
| Amite Solar, LLC | Amite Solar, LLC | Roseland, LA | 205 GWh | - | Feb 2026 | Solar |
| Unbridled Solar | National Grid Renewables | Robards, KY | 312 GWh | - | Feb 2026 | Solar |
| Fairbanks Solar Project | Fairbanks Solar Energy Center LLC | Fairbanks, IN | 420 GWh | - | Feb 2026 | Solar |
| Sherco Solar II | Northern States Power Co - Minnesota | Becker, MN | 104 GWh | - | Feb 2026 | Solar |
| Shenandoah Hills Wind Farm | MidAmerican Energy Co | Blanchard, IA | 117 GWh | - | Feb 2026 | Wind |
| Pleasantville Solar Park | Pleasantville Solar Park LLC | Ipava, IL | 67 GWh | - | Feb 2026 | Solar |
| Adelite Solar, LLC | Birch Creek Development | Hamilton, MO | 2 GWh | - | Feb 2026 | Solar |
| Appleseed Solar | Appleseed Solar, LLC | Logansport, IN | 191 GWh | - | Feb 2026 | Solar |
| Carpenter Wind Farm LLC | EDP Renewables North America LLC | Remington, IN | 189 GWh | - | Feb 2026 | Wind |
| Coldwater River Solar | Coldwater River Solar, LLC | Coldwater, MI | 82 GWh | - | Feb 2026 | Solar |
| Heirloom Solar | Heirloom Solar (Ratts 1 Phase 2 Solar, LLC) | Petersburg, IN | 29 GWh | - | Feb 2026 | Solar |
| Crossroads Solar (IN) | Crossroads Solar, LLC - (IN) | Van Buren Township, IN | 41 GWh | - | Feb 2026 | Solar |
| Pine River Solar Park | DTE Electric Company | Alma, MI | 87 GWh | - | Feb 2026 | Solar |
| Sauk Solar Park | DTE Electric Company | Union City, MI | 223 GWh | - | Feb 2026 | Solar |
| Crossover Wind | Crossover Wind, LLC | Wynne, AR | 269 GWh | - | Feb 2026 | Wind |
| Eldorado Solar I | Sol Systems | Eldorado, IL | 320 GWh | - | Feb 2026 | Solar |
| Morris Solar | AES Clean Energy | Kirksville, MO | 285 GWh | - | Feb 2026 | Solar |
| RATTS 1 | Ratts 1 Solar LLC | Petersburg, IN | 81 GWh | - | Feb 2026 | Solar |
| White Tail Solar | White Tail Solar, LLC | Milan, MI | 32 GWh | - | Feb 2026 | Solar |
| Prosperity Wind | Prosperity Wind, LLC | Deland, IL | 833 GWh | - | Feb 2026 | Wind |
| Polaris Solar Park | DTE Electric Company | Ashley, MI | 76 GWh | - | Feb 2026 | Solar |
| Green River Solar | Green River Solar, LLC | Guston, KY | 316 GWh | - | Feb 2026 | Solar |
| Sebree Solar, LLC - Hybrid | Sebree Solar, LLC | Robards, KY | 190 GWh | - | Feb 2026 | Solar |
| Dunns Bridge II Solar | Dunns Bridge II Solar and Storage Generation LLC | San Pierre, IN | 811 GWh | - | Feb 2026 | Solar |
| Gibson Solar | Gibson Solar, LLC | Princeton, IN | 188 GWh | - | Feb 2026 | Solar |
| Wildwood Solar Plant | Wildwood Solar, LLC | Tutwiler, MS | 39 GWh | - | Feb 2026 | Solar |
| Wheatland | Origis Energy USA, Inc | Wheatland, IN | 19 GWh | - | Feb 2026 | Solar |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #60 | Alcoa Power Generating, Inc. - Yadkin Division | 582.3 GWh | 4 |
| #27 | Associated Electric Cooperative, Inc. | 23.9 TWh | 47 |
| #13 | Duke Energy Carolinas | 112.5 TWh | 565 |
| #52 | Duke Energy Progress West | 4.4 TWh | 10 |
| #23 | Louisville Gas and Electric Company and Kentucky Utilities Company | 34.0 TWh | 25 |
| #1 | PJM Interconnection, LLC | 881.5 TWh | 2,465 |
| #6 | Southern Company Services, Inc. - Trans | 250.9 TWh | 417 |
| #5 | Southwest Power Pool | 302.9 TWh | 835 |
| #51 | Southwestern Power Administration | 4.6 TWh | 34 |
| #9 | Tennessee Valley Authority | 163.1 TWh | 204 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #1 | PJM Interconnection, LLC | 881.5 TWh | 2,465 |
| #2 | Midcontinent Independent System Operator, Inc. | 664.4 TWh | 2,831 |
| #3 | Electric Reliability Council of Texas, Inc. | 488.2 TWh | 1,313 |
| #5 | Southwest Power Pool | 302.9 TWh | 835 |
| #6 | Southern Company Services, Inc. - Trans | 250.9 TWh | 417 |
| #7 | California Independent System Operator | 176.8 TWh | 2,075 |
| #9 | Tennessee Valley Authority | 163.1 TWh | 204 |
| #10 | Florida Power & Light Co. | 150.9 TWh | 187 |
| #12 | New York Independent System Operator | 134.4 TWh | 1,211 |
| #13 | Duke Energy Carolinas | 112.5 TWh | 565 |