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 |
|---|---|---|---|---|---|---|
| Mulligan Solar, LLC | Mulligan Solar | Broadwell, IL | 145 GWh | Jun 2022 | May 2026 | Solar |
| Ford County Wind Farm LLC | Ford Ridge | Ford County, IL | 469 GWh | Feb 2022 | May 2026 | Wind |
| Ledyard Windpower, LLC | Duke Energy Renewables Services | Lakota, IA | 603 GWh | Nov 2022 | May 2026 | Wind |
| Newton Solar BESS LLC | Vistra Corp | Newton, IL | 32 GWh | - | May 2026 | Solar |
| West Memphis Solar Station | Entergy Arkansas LLC | Crawfordsville, AR | 316 GWh | Nov 2024 | May 2026 | Solar |
| Big Cypress Solar, LLC | Big Cypress Solar, LLC | Crawfordsville, AR | 421 GWh | Nov 2023 | May 2026 | Solar |
| Muskegon Solar | Consumers Energy Co - (MI) | Muskegon, MI | 117 GWh | - | May 2026 | Solar |
| Indiana Crossroads Solar Park | Meadow Lake Solar Park | Reynolds, IN | 384 GWh | May 2023 | May 2026 | Solar |
| Northern Wind | Northern States Power Co - Minnesota | Lake Wilson, MN | 343 GWh | Dec 2022 | May 2026 | Wind |
| Great Pathfinder Wind | Great Pathfinder Wind | Stratford, IA | 731 GWh | Jan 2023 | May 2026 | Wind |
| Kossuth County Wind | Kossuth County Wind, LLC | Lu Verne, IA | 278 GWh | Nov 2022 | May 2026 | Wind |
| Driver Solar | Entergy Arkansas LLC | Osceola, AR | 333 GWh | Oct 2024 | May 2026 | Solar |
| Deerfield Wind Energy 2 | Deerfield Wind Energy 2, LLC | Port Hope, MI | 280 GWh | Feb 2023 | May 2026 | Wind |
| Buffalo Ridge Wind | Buffalo Ridge Wind, LLC | Lake Benton, MN | 428 GWh | Nov 2022 | May 2026 | Wind |
| Walleye Wind | Walleye Wind, LLC | Beaver Creek, MN | 459 GWh | Nov 2022 | May 2026 | Wind |
| Paris Solar | Wisconsin Electric Power Co | Union Grove, WI | 296 GWh | Nov 2024 | May 2026 | Solar |
| Prairie Ronde Solar Farm | Lightsource Renewable Energy Asset Management, LLC | Opelousas, LA | 257 GWh | Oct 2024 | May 2026 | Solar |
| Delta Wind Farm (MS) | AES Clean Energy | Dundee, MS | 514 GWh | Mar 2024 | May 2026 | Wind |
| Moraine Sands Wind Power | Moraine Sands Wind Power, LLC | Mason City, IL | 562 GWh | Nov 2023 | May 2026 | Wind |
| Elizabeth Solar Plant | Horus Louisiana 1, LLC | Pitkin, LA | 279 GWh | Jul 2024 | May 2026 | Solar |
| Newport Solar Project | Newport Solar, LLC | Newport, AR | 354 GWh | Sep 2023 | May 2026 | Solar |
| Crooked Lake Solar, LLC | Crooked Lake Solar, LLC | Blytheville, AR | 391 GWh | Apr 2024 | May 2026 | Solar |
| Maple Flats | Invenergy Services LLC | Louisville, IL | 503 GWh | Oct 2024 | May 2026 | Solar |
| Heartland Farms | Consumers Energy Co - (MI) | Middleton, MI | 462 GWh | Mar 2024 | May 2026 | Wind |
| Oak Ridge Solar | AES Clean Energy | Oak Ridge, LA | 413 GWh | Nov 2023 | May 2026 | Solar |
| Pearl River Solar Park LLC | Pearl River Solar Park, LLC | Morton, MS | 428 GWh | Jun 2024 | May 2026 | Solar |
| Ragsdale Solar LLC | Ragsdale Solar, LLC | Canton, MS | 242 GWh | Oct 2024 | May 2026 | Solar |
| Speedway Solar, LLC | Speedway Solar, LLC | Morrison Town, IN | 379 GWh | May 2025 | May 2026 | Solar |
| Woodruff County Solar | Arkansas Electric Coop Corp | Augusta, AR | 176 GWh | Sep 2024 | May 2026 | Solar |
| Wildflower Solar, LLC (MS) | Duke Energy Renewables Services | DeSoto, MS | 200 GWh | Apr 2024 | May 2026 | Solar |
| Cereal City Solar, LLC | Cereal City Solar, LLC | Battle Creek, MI | 199 GWh | Nov 2023 | May 2026 | Solar |
| Harvest Gold Solar | Harvest Gold Solar Power, LLC | Indianola, MS | 193 GWh | Jul 2024 | May 2026 | Solar |
| Double Back Diamond | Double Back Diamond Solar Power, LLC | Virden, IL | 961 GWh | Oct 2024 | May 2026 | Solar |
| Prairie Mist Solar | Prairie Mist Solar Project, LLC | Montrose, AR | 228 GWh | Aug 2024 | May 2026 | Solar |
| Altona Solar, LLC | Birch Creek Power, LLC | Centralia, MO | 66 GWh | Jul 2024 | May 2026 | Solar |
| Envoy Solar, LLC | Birch Creek Power, LLC | Mexico, MO | 109 GWh | Jan 2025 | May 2026 | Solar |
| Richland Township Solar, LLC | Birch Creek Power, LLC | Washburn, IL | 78 GWh | Dec 2024 | May 2026 | Solar |
| Earp Solar, LLC | Birch Creek Power, LLC | Monmouth, IL | 76 GWh | Mar 2024 | May 2026 | Solar |
| Kimmel Road Solar, LLC | Birch Creek Power, LLC | Du Quoin, IL | 111 GWh | Sep 2024 | May 2026 | Solar |
| Salt Creek Township Solar, LLC | Birch Creek Power, LLC | Mason City, IL | 110 GWh | Dec 2024 | May 2026 | Solar |
| Dunns Bridge I Solar | Dunns Bridge Solar Center LLC | Wheatfield, IN | 453 GWh | May 2023 | May 2026 | Solar |
| Long Lake Solar, LLC | Long Lake Solar, LLC | West Helena, AR | 492 GWh | Mar 2025 | May 2026 | Solar |
| Chickasaw Wind Farm | MidAmerican Energy Co | New Hampton, IA | 634 GWh | Nov 2023 | May 2026 | Wind |
| Sterlington Solar | Entergy Louisiana LLC | Sterlington, LA | 37 GWh | - | May 2026 | Solar |
| Winfield Solar | Winfield Solar I, LLC | Winfield, MO | 281 GWh | Apr 2025 | May 2026 | Solar |
| Branch Solar Project | Branch Solar, LLC | Coldwater, MI | 12 GWh | - | May 2026 | Solar |
| Blue Bird Solar, LLC | Blue Bird Solar, LLC | Warrenton, MO | 320 GWh | Nov 2024 | May 2026 | Solar |
| Genesee Solar Project | Genesee Solar Energy, LLC | Flint, MI | 29 GWh | Nov 2025 | May 2026 | Solar |
| Delta's Edge Solar | Cubico USA, LLC | Greenwood, MS | 145 GWh | Oct 2023 | May 2026 | Solar |
| Posey Solar | Southern Indiana Gas & Elec Co | Mount Vernon, IN | 405 GWh | Apr 2025 | May 2026 | Solar |
| Prairie Creek Solar | Sol Systems | Jacksonville, IL | 58 GWh | Oct 2023 | May 2026 | Solar |
| Indiana Crossroads Wind Farm II | Indiana Crossroads Wind Farm II LLC | Wolcott, IN | 593 GWh | Nov 2024 | May 2026 | Wind |
| Prescott Wind Farm | Prescott Wind Energy LLC | Prescott, IA | 162 GWh | Aug 2024 | May 2026 | Wind |
| Umbriel Solar | Umbriel Solar, LLC | Livington, TX | 317 GWh | Sep 2023 | May 2026 | Solar |
| Magnolia Power | Magnolia Power Holdings LLC | Plaquemine, LA | 2 TWh | Nov 2025 | May 2026 | Natural Gas |
| River Fork Solar, LLC | River Fork Solar, LLC | Albion, MI | 291 GWh | Sep 2024 | May 2026 | Solar |
| Quartz Solar, LLC | RWE Clean Energy | Wynne, AR | 299 GWh | Feb 2025 | May 2026 | Solar |
| Sunlight Road Solar | Sunlight Road Solar, LLC | Franklinton, LA | 116 GWh | Oct 2024 | May 2026 | Solar |
| Forgeview Solar | Forgeview Solar, LLC | Blytheville, AR | 187 GWh | Nov 2025 | May 2026 | Solar |
| Flat Fork Solar | Flat Fork Solar, LLC | Wheatley, AR | 339 GWh | Jul 2025 | May 2026 | Solar |
| Amite Solar, LLC | Amite Solar, LLC | Roseland, LA | 208 GWh | Feb 2025 | May 2026 | Solar |
| Bayou Galion Solar Project | Bayou Galion Solar Project, LLC | Mer Rouge, LA | 219 GWh | Oct 2024 | May 2026 | Solar |
| Pleasant Creek Unit 1 | Interstate Power and Light Co | Palo, IA | 98 GWh | Feb 2024 | May 2026 | Solar |
| Liberty County Solar Project | Liberty County Solar Project, LLC | Dayton, TX | 248 GWh | Aug 2024 | May 2026 | Solar |
| Unbridled Solar | Geronimo Power | Robards, KY | 316 GWh | Feb 2025 | May 2026 | Solar |
| Louise Solar | Geronimo Power | Taopi, MN | 91 GWh | Nov 2024 | May 2026 | Solar |
| Fillmore County Solar Project | Geronimo Power | Spring Valley, MN | 81 GWh | Nov 2024 | May 2026 | Solar |
| Cavalry Solar Hybrid | Cavalry Energy Center LLC | Monon, IN | 360 GWh | Apr 2024 | May 2026 | Solar |
| Walnut Bend Solar Station PV | Entergy Arkansas LLC | Moro, AR | 205 GWh | Aug 2024 | May 2026 | Solar |
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 |