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 | Mar 2026 |
| Annual Generation | 659.4 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 | 36.2% Coal | 28.4% Wind | 14.7% Nuclear | 13.9% Solar | 4.8% Water | 1.5% 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 |
|---|---|---|---|---|---|---|
| Courtenay Wind Farm | Northern States Power Co - Minnesota | Courtenay, ND | 423 GWh | Nov 2016 | Dec 2025 | Wind |
| Apple Blossom Wind Farm | Apple Blossom Wind, LLC | Pigeon, MI | 256 GWh | Oct 2017 | Dec 2025 | Wind |
| Black Oak Wind Farm | Black Oak Wind, LLC | Sauk Centre, MN | 305 GWh | Nov 2016 | Dec 2025 | Wind |
| Brookfield | DTE Electric Company | Pigeon, MI | 255 GWh | Jan 2014 | Dec 2025 | Wind |
| Highland Wind Project (IA) | MidAmerican Energy Co | Primghar, IA | 2 TWh | May 2015 | Dec 2025 | Wind |
| Sugar Creek Wind One LLC | Sugar Creek Wind One LLC | TBD, IL | 582 GWh | Oct 2020 | Dec 2025 | Wind |
| Lincoln Land Wind | Lincoln Land Wind, LLC | TBD, IL | 1 TWh | Oct 2021 | Dec 2025 | Wind |
| Zimmerman Energy | Landfill Energy Systems | Argos, IN | 40 GWh | Oct 2014 | Dec 2025 | Landfill Gas |
| Waxdale | S.C. Johnson & Son, Inc. | Sturtevant, WI | 37 GWh | Nov 2003 | Dec 2025 | Natural Gas : 43.0% Landfill Gas : 35.1% Wind : 13.4% Solar : 8.5% |
| Boomtown Renewable Energy Center | Union Electric Co - (MO) | Carmi, IL | 286 GWh | Nov 2024 | Dec 2025 | Solar |
| Huck Finn Renewable Energy Center | Union Electric Co - (MO) | Vandalia, MO | 417 GWh | Nov 2024 | Dec 2025 | Solar |
| Wildwood Solar Plant | Wildwood Solar, LLC | Tutwiler, MS | 12 GWh | - | Dec 2025 | Solar |
| Pleasantville Solar Park | Pleasantville Solar Park LLC | Ipava, IL | 28 GWh | - | Dec 2025 | Solar |
| Shenandoah Hills Wind Farm | MidAmerican Energy Co | Blanchard, IA | 27 GWh | - | Dec 2025 | Wind |
| Gibson Solar | Gibson Solar, LLC | Princeton, IN | 142 GWh | - | Dec 2025 | Solar |
| Appleseed Solar | Appleseed Solar, LLC | Logansport, IN | 150 GWh | - | Dec 2025 | Solar |
| Sherco Solar II | Northern States Power Co - Minnesota | Becker, MN | 78 GWh | - | Dec 2025 | Solar |
| Fairbanks Solar Project | Fairbanks Solar Energy Center LLC | Fairbanks, IN | 358 GWh | - | Dec 2025 | Solar |
| Cass County Renewable Energy Center | Union Electric Co - (MO) | Beardstown, IL | 332 GWh | Nov 2024 | Dec 2025 | Solar |
| Dakota Range Wind | Northern States Power Co - Minnesota | Marvin, SD | 1 TWh | Dec 2021 | Dec 2025 | Wind |
| Green River Solar | Green River Solar, LLC | Guston, KY | 271 GWh | - | Dec 2025 | Solar |
| Carpenter Wind Farm LLC | EDP Renewables North America LLC | Remington, IN | 61 GWh | - | Dec 2025 | Wind |
| Sherco Solar I | Northern States Power Co - Minnesota | Clear Lake, MN | 419 GWh | Sep 2024 | Dec 2025 | Solar |
| Creston Solar (50 MW) | Interstate Power and Light Co | Creston, IA | 97 GWh | Sep 2024 | Dec 2025 | Solar |
| Pleasant Creek Unit 2 | Interstate Power and Light Co | Palo, IA | 274 GWh | Nov 2024 | Dec 2025 | Solar |
| Wever Solar (150MW) | Interstate Power and Light Co | Wever, IA | 260 GWh | Oct 2024 | Dec 2025 | Solar |
| White Tail Solar | White Tail Solar, LLC | Milan, MI | 12 GWh | - | Dec 2025 | Solar |
| Twin Lakes Solar LLC | Twin Lakes Solar LLC | Monticello, IN | 329 GWh | Nov 2024 | Dec 2025 | Solar |
| Sebree Solar, LLC - Hybrid | Sebree Solar, LLC | Robards, KY | 130 GWh | - | Dec 2025 | Solar |
| Polaris Solar Park | DTE Electric Company | Ashley, MI | 59 GWh | - | Dec 2025 | Solar |
| Hickory Solar | Hickory Solar LLC | Jerseyville, IL | 250 GWh | Aug 2024 | Dec 2025 | Solar |
| Hardy Hills Solar Energy LLC | Hardy Hills Solar LLC | Frankfort, IN | 363 GWh | Feb 2024 | Dec 2025 | Solar |
| RATTS 1 | Ratts 1 Solar LLC | Petersburg, IN | 47 GWh | - | Dec 2025 | Solar |
| Heirloom Solar | Heirloom Solar (Ratts 1 Phase 2 Solar, LLC) | Petersburg, IN | 17 GWh | - | Dec 2025 | Solar |
| Dunns Bridge II Solar | Dunns Bridge II Solar and Storage Generation LLC | San Pierre, IN | 796 GWh | - | Dec 2025 | Solar |
| Prosperity Wind | Prosperity Wind, LLC | Deland, IL | 678 GWh | - | Dec 2025 | Wind |
| Crossett Solar | Cubico USA, LLC | Crossett, AR | 209 GWh | Aug 2024 | Dec 2025 | Solar |
| Crossroads Solar (IN) | Crossroads Solar, LLC - (IN) | Van Buren Township, IN | 6 GWh | - | Dec 2025 | Solar |
| Pine River Solar Park | DTE Electric Company | Alma, MI | 78 GWh | - | Dec 2025 | Solar |
| Sauk Solar Park | DTE Electric Company | Union City, MI | 209 GWh | - | Dec 2025 | Solar |
| Crossover Wind | Crossover Wind, LLC | Wynne, AR | 176 GWh | - | Dec 2025 | Wind |
| Eldorado Solar I | Sol Systems | Eldorado, IL | 308 GWh | - | Dec 2025 | Solar |
| Morris Solar | AES Clean Energy | Kirksville, MO | 238 GWh | - | Dec 2025 | Solar |
| Wolf Run Solar | Wolf Run Solar LLC | Chapin, IL | 314 GWh | Oct 2024 | Dec 2025 | Solar |
| Coffeen Solar BESS | Vistra Corp | Coffeen, IL | 85 GWh | Nov 2024 | Dec 2025 | Solar |
| Baldwin Solar BESS | Vistra Corp | Baldwin, IL | 140 GWh | Nov 2024 | Dec 2025 | Solar |
| Coldwater River Solar | Coldwater River Solar, LLC | Coldwater, MI | 52 GWh | - | Dec 2025 | Solar |
| Clinton LFGTE | Wabash Valley Power Assn, Inc | Clinton, IL | 16 GWh | Jan 2006 | Dec 2025 | Landfill Gas |
| St. Paul Intl Airport Red & Blue Parking | Metropolitan Airports Commission | St. Paul, MN | 3 GWh | Nov 2015 | Dec 2025 | Solar |
| North Star Solar Project | North Star Solar PV LLC | North Branch, MN | 181 GWh | Nov 2016 | Dec 2025 | Solar |
| Marshall Solar Energy Project | Marshall Solar Energy Project | Marshall, MN | 97 GWh | Dec 2016 | Dec 2025 | Solar |
| Cardinal Point Wind | Cardinal Point LLC | Sciota, IL | 510 GWh | Feb 2020 | Dec 2025 | Wind |
| New Frontier Wind | Meadowlark Wind I LLC | Ruso, ND | 387 GWh | Nov 2018 | Dec 2025 | Wind |
| Domino Farms Solar | DTE Electric Company | Ann Arbor, MI | 1 GWh | Aug 2015 | Dec 2025 | Solar |
| Greenwood Solar Farm | DTE Electric Company | Avoca, MI | 2 GWh | Dec 2015 | Dec 2025 | Solar |
| Western Michigan Solar Gardens | Consumers Energy Co - (MI) | Kalamazoo, MI | 2 GWh | Jul 2016 | Dec 2025 | Solar |
| Grand Valley Solar Gardens | Consumers Energy Co - (MI) | Allendale, MI | 4 GWh | Mar 2016 | Dec 2025 | Solar |
| Sumrall II Solar Farm | Onward Energy | Sumrall, MS | 110 GWh | Nov 2017 | Dec 2025 | Solar |
| Demille Solar Farm | DTE Electric Company | Lapeer, MI | 36 GWh | Apr 2017 | Dec 2025 | Solar |
| Crowned Ridge Wind Energy Center | Crowned Ridge Wind, LLC | Watertown, SD | 812 GWh | Nov 2019 | Dec 2025 | Wind |
| Blazing Star Wind Farm 1 | Northern States Power Co - Minnesota | Hendricks, MN | 873 GWh | Mar 2020 | Dec 2025 | Wind |
| Crocker Wind Farm | Crocker Wind Farm, LLC | Conde, SD | 787 GWh | Oct 2019 | Dec 2025 | Wind |
| Prairie Wind Farm | MidAmerican Energy Co | Montezuma, IA | 592 GWh | Dec 2017 | Dec 2025 | Wind |
| Deerfield Wind Energy, LLC | Deerfield Wind Energy, LLC | Kinde, MI | 475 GWh | Jan 2017 | Dec 2025 | Wind |
| Warren DPC Solar | SoCore Energy LLC | Roberts, WI | 4 GWh | Apr 2017 | Dec 2025 | Solar |
| Liberty Pole DPC Solar | SoCore Energy LLC | Viroqua, WI | 2 GWh | Apr 2017 | Dec 2025 | Solar |
| Downsville DPC Solar | SoCore Energy LLC | Menomonee, WI | 2 GWh | Jan 2017 | Dec 2025 | Solar |
| Mt. Hope DPC Solar | SoCore Energy LLC | Mt. Hope, WI | 2 GWh | Dec 2016 | Dec 2025 | Solar |
| Medford DPC Solar | SoCore Energy LLC | Medford, WI | 3 GWh | Jan 2017 | Dec 2025 | Solar |
| Whistling Winds DPC Solar | SoCore Energy LLC | New Lisbon, WI | 2 GWh | May 2017 | Dec 2025 | Solar |
| Oliver Wind III, LLC | Oliver Wind III, LLC | Mandan, ND | 380 GWh | Dec 2016 | Dec 2025 | Wind |
| Montgomery County | Entergy Texas Inc. | Willis, TX | 6 TWh | Dec 2020 | Dec 2025 | Natural Gas |
| St. Charles Power Station (LA) | Entergy Louisiana LLC | La Place, LA | 6 TWh | Apr 2019 | Dec 2025 | Natural Gas |
| Lake Charles Power | Entergy Louisiana LLC | West Lake, LA | 7 TWh | Feb 2020 | Dec 2025 | Natural Gas |
| New Orleans Power | Entergy New Orleans, LLC | New Orleans, LA | 181 GWh | Apr 2020 | Dec 2025 | Natural Gas |
| New Auburn DPC Solar | SoCore Energy LLC | New Auburn, WI | 4 GWh | Dec 2017 | Dec 2025 | Solar |
| Tatanka Ridge | Tatanka Ridge LLC | Toronto, SD | 594 GWh | Dec 2020 | Dec 2025 | Wind |
| Saratoga Wind Farm | Madison Gas & Electric Co | Lime Springs, IA | 270 GWh | Jan 2019 | Dec 2025 | Wind |
| Orient Wind Farm | MidAmerican Energy Co | Orient, IA | 2 TWh | Nov 2018 | Dec 2025 | Wind |
| Beaver Creek Wind | MidAmerican Energy Co | Ogden, IA | 1 TWh | Nov 2017 | Dec 2025 | Wind |
| Pine River Wind Park | DTE Electric Company | Shepherd, MI | 381 GWh | Feb 2019 | Dec 2025 | Wind |
| Astoria Station | Otter Tail Power Co | Astoria, SD | 455 GWh | Mar 2021 | Dec 2025 | Natural Gas |
| Harvest Ridge Wind Farm | Harvest Ridge Wind Farm | Newman, IL | 667 GWh | Jun 2020 | Dec 2025 | Wind |
| Stuttgart Solar | Stuttgart Solar, LLC | Stuttgart, AR | 153 GWh | Dec 2017 | Dec 2025 | Solar |
| Red Pine Wind Project | EDF Renewable Asset Holdings, Inc. | Ivanhoe, MN | 774 GWh | Nov 2017 | Dec 2025 | Wind |
| Porter Way Community Solar Garden | AEP Onsite Partners, LLC | Waconia, MN | 5 GWh | Jan 2018 | Dec 2025 | Solar |
| Upland Prairie | Interstate Power and Light Co | Spencer, IA | 1 TWh | Feb 2019 | Dec 2025 | Wind |
| English Farms | Interstate Power and Light Co | Montezuma, IA | 571 GWh | Feb 2019 | Dec 2025 | Wind |
| Heartland Divide Wind Project, LLC | Heartland Divide Wind Project, LLC | Melville, IA | 426 GWh | Nov 2018 | Dec 2025 | Wind |
| Dundas Solar Holdings LLC CSG | Altus Power America Management, LLC | Northfield, MN | 8 GWh | Feb 2018 | Dec 2025 | Solar |
| Waterville CSG Solar Holdings LLC | Altus Power America Management, LLC | Waterville, MN | 8 GWh | Feb 2018 | Dec 2025 | Solar |
| Turtle Creek Wind Farm LLC | Turtle Creek Wind Farm LLC | St. Ansgar, IA | 720 GWh | Nov 2018 | Dec 2025 | Wind |
| LA3 West Baton Rouge Solar Facility | Sol Systems | West Baton Rouge, LA | 113 GWh | Aug 2020 | Dec 2025 | Solar |
| Blazing Star 2 Wind Farm | Northern States Power Co - Minnesota | Hendricks, MN | 865 GWh | Dec 2020 | Dec 2025 | Wind |
| Sherburne Community Solar | AEP Onsite Partners, LLC | Clear Lake, MN | 8 GWh | Feb 2018 | Dec 2025 | Solar |
| Foxtail Wind, LLC | Foxtail Wind, LLC | Forbes, ND | 623 GWh | Dec 2019 | Dec 2025 | Wind |
| Meadow Lake Wind Farm VI LLC | Meadow Lake Wind Farm VI LLC | Remington, IN | 642 GWh | Oct 2018 | Dec 2025 | Wind |
| Bishop Hill III | Invenergy Services LLC | Cambridge, IL | 429 GWh | May 2018 | Dec 2025 | Wind |
| Ivester Wind Farm | MidAmerican Energy Co | Wellsburg, IA | 328 GWh | Nov 2018 | Dec 2025 | Wind |
| Pegasus Wind | Pegasus Wind, LLC | Reese, MI | 387 GWh | Nov 2019 | Dec 2025 | Wind |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #60 | Alcoa Power Generating, Inc. - Yadkin Division | 610.0 GWh | 4 |
| #27 | Associated Electric Cooperative, Inc. | 24.1 TWh | 47 |
| #13 | Duke Energy Carolinas | 112.4 TWh | 565 |
| #52 | Duke Energy Progress West | 4.3 TWh | 10 |
| #23 | Louisville Gas and Electric Company and Kentucky Utilities Company | 34.3 TWh | 25 |
| #1 | PJM Interconnection, LLC | 879.0 TWh | 2,465 |
| #6 | Southern Company Services, Inc. - Trans | 250.9 TWh | 417 |
| #5 | Southwest Power Pool | 300.1 TWh | 835 |
| #51 | Southwestern Power Administration | 4.8 TWh | 34 |
| #9 | Tennessee Valley Authority | 162.4 TWh | 204 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #1 | PJM Interconnection, LLC | 879.0 TWh | 2,465 |
| #2 | Midcontinent Independent System Operator, Inc. | 659.4 TWh | 2,831 |
| #3 | Electric Reliability Council of Texas, Inc. | 484.9 TWh | 1,313 |
| #5 | Southwest Power Pool | 300.1 TWh | 835 |
| #6 | Southern Company Services, Inc. - Trans | 250.9 TWh | 417 |
| #7 | California Independent System Operator | 179.9 TWh | 2,075 |
| #9 | Tennessee Valley Authority | 162.4 TWh | 204 |
| #10 | Florida Power & Light Co. | 150.5 TWh | 187 |
| #12 | New York Independent System Operator | 134.0 TWh | 1,211 |
| #13 | Duke Energy Carolinas | 112.4 TWh | 565 |