Midcontinent Independent System Operator, Inc.
Balancing Authority Summary Information
Midcontinent Independent System Operator, Inc. is ranked #2 out of 64 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 | Jul 2026 |
| Annual Generation | 669.4 TWh |
| Power Plants | 3,038 |
| Utilities | 1,345 |
| Ranked #2 out of 64 in terms of net annual generation | |
| Ranked #2 out of 53 in terms of annual generation from natural gas | |
| Power Plant Types | Natural Gas | 37% Coal | 26.5% Wind | 14.9% Nuclear | 13.9% Solar | 5.7% Water | 1.4% 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 |
|---|---|---|---|---|---|---|
| Creston Solar (50 MW) | Interstate Power and Light Co | Creston, IA | 96 GWh | Sep 2024 | May 2026 | Solar |
| Pleasant Creek Unit 2 | Interstate Power and Light Co | Palo, IA | 269 GWh | Nov 2024 | May 2026 | Solar |
| Wever Solar (150MW) | Interstate Power and Light Co | Wever, IA | 278 GWh | Oct 2024 | May 2026 | Solar |
| Heartwood Solar | Heartwood Solar, LLC | Allen, MI | 22 GWh | - | May 2026 | Solar |
| White Tail Solar | White Tail Solar, LLC | Milan, MI | 99 GWh | Oct 2025 | May 2026 | Solar |
| Twin Lakes Solar LLC | Twin Lakes Solar LLC | Monticello, IN | 332 GWh | Nov 2024 | May 2026 | Solar |
| Sebree Solar, LLC | Sebree Solar, LLC | Robards, KY | 329 GWh | Aug 2025 | May 2026 | Solar |
| Fish Creek Solar Park | DTE Electric Company | Greenville, MI | 49 GWh | - | May 2026 | Solar |
| Mission Road Solar Park | DTE Electric Company | Rosebush, MI | 60 GWh | - | May 2026 | Solar |
| Polaris Solar Park | DTE Electric Company | Ashley, MI | 123 GWh | Jun 2025 | May 2026 | Solar |
| Hickory Solar | Hickory Solar LLC | Jerseyville, IL | 255 GWh | Aug 2024 | May 2026 | Solar |
| Hardy Hills Solar Energy LLC | Hardy Hills Solar LLC | Frankfort, IN | 360 GWh | Feb 2024 | May 2026 | Solar |
| RATTS 1 | Ratts 1 Solar LLC | Petersburg, IN | 174 GWh | Sep 2025 | May 2026 | Solar |
| Heirloom Solar | Heirloom Solar (Ratts 1 Phase 2 Solar, LLC) | Petersburg, IN | 64 GWh | Sep 2025 | May 2026 | Solar |
| Dunns Bridge II Solar | Dunns Bridge II Solar and Storage Generation LLC | San Pierre, IN | 774 GWh | Dec 2024 | May 2026 | Solar |
| Sherco Solar I | Northern States Power Co - Minnesota | Clear Lake, MN | 421 GWh | Sep 2024 | May 2026 | Solar |
| Crossett Solar | Cubico USA, LLC | Crossett, AR | 207 GWh | Aug 2024 | May 2026 | Solar |
| Crossroads Solar (IN) | Crossroads Solar, LLC - (IN) | Van Buren Township, IN | 142 GWh | Nov 2025 | May 2026 | Solar |
| Pine River Solar Park | DTE Electric Company | Alma, MI | 126 GWh | May 2025 | May 2026 | Solar |
| Sauk Solar Park | DTE Electric Company | Union City, MI | 228 GWh | Dec 2024 | May 2026 | Solar |
| Crossover Wind | Crossover Wind, LLC | Wynne, AR | 402 GWh | May 2025 | May 2026 | Wind |
| Eldorado Solar I | Sol Systems | Eldorado, IL | 317 GWh | Dec 2024 | May 2026 | Solar |
| Cooks Mill PV I | Cooks Mill PV I, LLC | Matoon, IL | 45 GWh | - | May 2026 | Solar |
| Cherry Valley PV I | Cherry Valley PV I, LLC | Cherry Valley, AR | 61 GWh | - | May 2026 | Solar |
| Crooked Creek PV I | Crooked Creek PV I, LLC | Salem, IL | 42 GWh | - | May 2026 | Solar |
| Morris Solar | AES Clean Energy | Kirksville, MO | 416 GWh | May 2025 | May 2026 | Solar |
| Wolf Run Solar | Wolf Run Solar LLC | Chapin, IL | 305 GWh | Oct 2024 | May 2026 | Solar |
| Coffeen Solar BESS | Vistra Corp | Coffeen, IL | 93 GWh | Nov 2024 | May 2026 | Solar |
| Baldwin Solar BESS | Vistra Corp | Baldwin, IL | 147 GWh | Nov 2024 | May 2026 | Solar |
| Coldwater River Solar | Coldwater River Solar, LLC | Coldwater, MI | 167 GWh | Jun 2025 | May 2026 | Solar |
| Lotus Wind | Lotus Wind, LLC | Modesto, IL | 135 GWh | - | May 2026 | Wind |
| Prosperity Wind | Prosperity Wind, LLC | Deland, IL | 932 GWh | Dec 2024 | May 2026 | Wind |
| Mondu Solar LLC | Mondu Solar LLC | Livonia, LA | 22 GWh | - | May 2026 | Solar |
| Green River Solar | Green River Solar, LLC | Guston, KY | 398 GWh | Apr 2025 | May 2026 | Solar |
| Dakota Range Wind | Northern States Power Co - Minnesota | Marvin, SD | 984 GWh | Dec 2021 | May 2026 | Wind |
| Fairbanks Solar Project | Fairbanks Solar Energy Center LLC | Fairbanks, IN | 510 GWh | Apr 2025 | May 2026 | Solar |
| Gibson Solar | Gibson Solar, LLC | Princeton, IN | 294 GWh | Jul 2025 | May 2026 | Solar |
| Wildwood Solar Plant | Wildwood Solar, LLC | Tutwiler, MS | 104 GWh | Nov 2025 | May 2026 | Solar |
| Wheatland | Origis Energy USA, Inc | Wheatland, IN | 107 GWh | - | May 2026 | Solar |
| Huck Finn Renewable Energy Center | Union Electric Co - (MO) | Vandalia, MO | 428 GWh | Nov 2024 | May 2026 | Solar |
| Boomtown Renewable Energy Center | Union Electric Co - (MO) | Carmi, IL | 290 GWh | Nov 2024 | May 2026 | Solar |
| Cass County Renewable Energy Center | Union Electric Co - (MO) | Beardstown, IL | 306 GWh | Nov 2024 | May 2026 | Solar |
| Sherco Solar II | Northern States Power Co - Minnesota | Becker, MN | 247 GWh | Aug 2025 | May 2026 | Solar |
| Shenandoah Hills Wind Farm | MidAmerican Energy Co | Blanchard, IA | 336 GWh | Nov 2025 | May 2026 | Wind |
| Pleasantville Solar Park | Pleasantville Solar Park LLC | Ipava, IL | 179 GWh | Oct 2025 | May 2026 | Solar |
| Adelite Solar, LLC | Birch Creek Development | Hamilton, MO | 14 GWh | - | May 2026 | Solar |
| Appleseed Solar | Appleseed Solar, LLC | Logansport, IN | 306 GWh | Jul 2025 | May 2026 | Solar |
| Carpenter Wind Farm LLC | Carpenter Wind Farm LLC | Remington, IN | 400 GWh | Nov 2025 | May 2026 | Wind |
| Eldorado Solar II | Sol Systems | Eldorado, IL | 140 GWh | Sep 2025 | May 2026 | Solar |
| Tilden Solar | Sol Systems | Coulterville, IL | 153 GWh | Oct 2025 | May 2026 | Solar |
| New Madrid Solar, LLC | New Madrid Solar, LLC | Marston, MO | 230 GWh | Oct 2025 | May 2026 | Solar |
| Vandalia Renewable Energy Center | Union Electric Co - (MO) | Vandalia, MO | 46 GWh | Oct 2025 | May 2026 | Solar |
| Kelso Solar | Kelso Solar, LLC | Benton, MO | 153 GWh | Nov 2025 | May 2026 | Solar |
| Kelso 2 Solar | Kelso 2 Solar, LLC | Benton, MO | 111 GWh | - | May 2026 | Solar |
| Salt Creek Wind | Salt Creek Wind, LLC | Traer, IA | 360 GWh | Nov 2025 | May 2026 | Wind |
| Apple River Solar, LLC | Geronimo Power | Amery, WI | 82 GWh | Nov 2025 | May 2026 | Solar |
| Redfield Solar | Redfield PV I, LLC | Sheridan, AR | 36 GWh | - | May 2026 | Solar |
| Petersburg Energy Center | Petersburg Energy Center, LLC | Petersburg, IN | 122 GWh | - | May 2026 | Solar |
| Jasper County Solar Project | Biscayne Falls SPV, LLC | Heber, IN | 26 GWh | Nov 2025 | May 2026 | Solar |
| Split Rail Solar Energy LLC | Invenergy Services LLC | Warrenton, MO | 102 GWh | - | May 2026 | Solar |
| Renegade Solar Energy LLC | Upper Michigan Energy Resources Company | Rock, MI | 40 GWh | - | May 2026 | Solar |
| Archtop Solar | Archtop Property Management LLC | Gibson City, IL | 64 GWh | - | May 2026 | Solar |
| Emily Solar, LLC | RWE Clean Energy | Casey, IL | 235 GWh | Nov 2025 | May 2026 | Solar |
| Lafitte Solar, LLC | RWE Clean Energy | Monroe, LA | 87 GWh | Nov 2025 | May 2026 | Solar |
| North Star Solar Project | North Star Solar PV LLC | North Branch, MN | 175 GWh | Nov 2016 | May 2026 | Solar |
| Marshall Solar Energy Project | Marshall Solar Energy Project | Marshall, MN | 92 GWh | Dec 2016 | May 2026 | Solar |
| Cardinal Point Wind | Cardinal Point LLC | Sciota, IL | 521 GWh | Feb 2020 | May 2026 | Wind |
| New Frontier Wind | Meadowlark Wind I LLC | Ruso, ND | 369 GWh | Nov 2018 | May 2026 | Wind |
| Domino Farms Solar | DTE Electric Company | Ann Arbor, MI | 844 MWh | Aug 2015 | May 2026 | Solar |
| Greenwood Solar Farm | DTE Electric Company | Avoca, MI | 2 GWh | Dec 2015 | May 2026 | Solar |
| Western Michigan Solar Gardens | Consumers Energy Co - (MI) | Kalamazoo, MI | 2 GWh | Jul 2016 | May 2026 | Solar |
| Grand Valley Solar Gardens | Consumers Energy Co - (MI) | Allendale, MI | 4 GWh | Mar 2016 | May 2026 | Solar |
| Sumrall II Solar Farm | Onward Energy | Sumrall, MS | 109 GWh | Nov 2017 | May 2026 | Solar |
| Demille Solar Farm | DTE Electric Company | Lapeer, MI | 37 GWh | Apr 2017 | May 2026 | Solar |
| Crowned Ridge Wind Energy Center | Crowned Ridge Wind, LLC | Watertown, SD | 788 GWh | Nov 2019 | May 2026 | Wind |
| Blazing Star Wind Farm 1 | Northern States Power Co - Minnesota | Hendricks, MN | 841 GWh | Mar 2020 | May 2026 | Wind |
| Crocker Wind Farm | Crocker Wind Farm, LLC | Conde, SD | 775 GWh | Oct 2019 | May 2026 | Wind |
| Prairie Wind Farm | MidAmerican Energy Co | Montezuma, IA | 611 GWh | Dec 2017 | May 2026 | Wind |
| Deerfield Wind Energy, LLC | Deerfield Wind Energy, LLC | Kinde, MI | 477 GWh | Jan 2017 | May 2026 | Wind |
| Warren DPC Solar | SoCore Energy LLC | Roberts, WI | 4 GWh | Apr 2017 | May 2026 | Solar |
| Liberty Pole DPC Solar | SoCore Energy LLC | Viroqua, WI | 2 GWh | Apr 2017 | May 2026 | Solar |
| Downsville DPC Solar | SoCore Energy LLC | Menomonee, WI | 2 GWh | Jan 2017 | May 2026 | Solar |
| Mt. Hope DPC Solar | SoCore Energy LLC | Mt. Hope, WI | 2 GWh | Dec 2016 | May 2026 | Solar |
| Medford DPC Solar | SoCore Energy LLC | Medford, WI | 3 GWh | Jan 2017 | May 2026 | Solar |
| Whistling Winds DPC Solar | SoCore Energy LLC | New Lisbon, WI | 2 GWh | May 2017 | May 2026 | Solar |
| Oliver Wind III, LLC | Oliver Wind III, LLC | Mandan, ND | 366 GWh | Dec 2016 | May 2026 | Wind |
| Montgomery County | Entergy Texas Inc. | Willis, TX | 6 TWh | Dec 2020 | May 2026 | Natural Gas |
| St. Charles Power Station (LA) | Entergy Louisiana LLC | La Place, LA | 5 TWh | Apr 2019 | May 2026 | Natural Gas |
| Lake Charles Power | Entergy Louisiana LLC | West Lake, LA | 7 TWh | Feb 2020 | May 2026 | Natural Gas |
| New Orleans Power | Entergy New Orleans, LLC | New Orleans, LA | 157 GWh | Apr 2020 | May 2026 | Natural Gas |
| New Auburn DPC Solar | SoCore Energy LLC | New Auburn, WI | 5 GWh | Dec 2017 | May 2026 | Solar |
| Tatanka Ridge | Tatanka Ridge LLC | Toronto, SD | 533 GWh | Dec 2020 | May 2026 | Wind |
| Saratoga Wind Farm | Madison Gas & Electric Co | Lime Springs, IA | 260 GWh | Jan 2019 | May 2026 | Wind |
| Orient Wind Farm | MidAmerican Energy Co | Orient, IA | 2 TWh | Nov 2018 | May 2026 | Wind |
| Beaver Creek Wind | MidAmerican Energy Co | Ogden, IA | 1 TWh | Nov 2017 | May 2026 | Wind |
| Pine River Wind Park | DTE Electric Company | Shepherd, MI | 380 GWh | Feb 2019 | May 2026 | Wind |
| Astoria Station | Otter Tail Power Co | Astoria, SD | 530 GWh | Mar 2021 | May 2026 | Natural Gas |
| Harvest Ridge Wind Farm | Harvest Ridge Wind Farm | Newman, IL | 707 GWh | Jun 2020 | May 2026 | Wind |
| Stuttgart Solar | Stuttgart Solar, LLC | Stuttgart, AR | 149 GWh | Dec 2017 | May 2026 | Solar |
| Red Pine Wind Project | EDF Renewable Asset Holdings, Inc. | Ivanhoe, MN | 765 GWh | Nov 2017 | May 2026 | Wind |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #61 | Alcoa Power Generating, Inc. - Yadkin Division | 442.5 GWh | 4 |
| #26 | Associated Electric Cooperative, Inc. | 23.4 TWh | 47 |
| #13 | Duke Energy Carolinas | 112.6 TWh | 577 |
| #50 | Duke Energy Progress West | 4.5 TWh | 15 |
| #23 | Louisville Gas and Electric Company and Kentucky Utilities Company | 33.9 TWh | 25 |
| #1 | PJM Interconnection, LLC | 882.8 TWh | 2,652 |
| #6 | Southern Company Services, Inc. - Trans | 253.5 TWh | 422 |
| #5 | Southwest Power Pool | 306.8 TWh | 856 |
| #53 | Southwestern Power Administration | 4.1 TWh | 34 |
| #9 | Tennessee Valley Authority | 163.4 TWh | 207 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #1 | PJM Interconnection, LLC | 882.8 TWh | 2,652 |
| #2 | Midcontinent Independent System Operator, Inc. | 669.4 TWh | 3,038 |
| #3 | Electric Reliability Council of Texas, Inc. | 494.1 TWh | 1,471 |
| #5 | Southwest Power Pool | 306.8 TWh | 856 |
| #6 | Southern Company Services, Inc. - Trans | 253.5 TWh | 422 |
| #7 | California Independent System Operator | 169.4 TWh | 2,135 |
| #9 | Tennessee Valley Authority | 163.4 TWh | 207 |
| #10 | Florida Power & Light Co. | 152.2 TWh | 187 |
| #12 | New York Independent System Operator | 134.3 TWh | 1,299 |
| #13 | Duke Energy Carolinas | 112.6 TWh | 577 |