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 |
|---|---|---|---|---|---|---|
| West Memphis Solar Station | Entergy Arkansas LLC | Crawfordsville, AR | 316 GWh | Nov 2024 | May 2026 | Solar |
| Paris Solar | Wisconsin Electric Power Co | Union Grove, WI | 296 GWh | Nov 2024 | May 2026 | Solar |
| Blue Bird Solar, LLC | Blue Bird Solar, LLC | Warrenton, MO | 320 GWh | Nov 2024 | May 2026 | Solar |
| IMPA Richmond 8 Solar Park | Indiana Municipal Power Agency | Richmond, IN | 10 GWh | Nov 2024 | Dec 2025 | Solar |
| Indiana Crossroads Wind Farm II | Indiana Crossroads Wind Farm II LLC | Wolcott, IN | 593 GWh | Nov 2024 | May 2026 | Wind |
| 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 |
| Lobelia 1 | Greenbacker Renewable Energy Corporation | Harvard, IL | 5 GWh | Nov 2024 | Dec 2025 | Solar |
| Pleasant Creek Unit 2 | Interstate Power and Light Co | Palo, IA | 269 GWh | Nov 2024 | May 2026 | Solar |
| Marshall Solar Plus LLC | Western Minnesota Mun Pwr Agny | Marshall, MN | 17 GWh | Nov 2024 | Dec 2025 | Solar |
| Schmidt CSG 1 | SunVest Solar LLC | Belleville, IL | 4 GWh | Nov 2024 | Dec 2025 | Solar |
| SV CSG Wagner A LLC | SunVest Solar LLC | Sparta, IL | 5 GWh | Nov 2024 | Dec 2025 | Solar |
| SV CSG Wagner B LLC | SunVest Solar LLC | Baldwin, IL | 5 GWh | Nov 2024 | Dec 2025 | Solar |
| Twin Lakes Solar LLC | Twin Lakes Solar LLC | Monticello, IN | 332 GWh | Nov 2024 | May 2026 | Solar |
| Auburn Solar WI, LLC | Wisconsin Electric Power Co | Campbellsport, WI | 9 GWh | Nov 2024 | Dec 2025 | Solar |
| Hackbarth Solar WI, LLC | Wisconsin Electric Power Co | Fort Atkinson, WI | 9 GWh | Nov 2024 | Dec 2025 | Solar |
| LaFayette Solar WI, LLC | Wisconsin Electric Power Co | Elkhorn, WI | 10 GWh | Nov 2024 | Dec 2025 | Solar |
| Macomb 2A | SoCore Energy LLC | Macomb, IL | 4 GWh | Nov 2024 | Dec 2025 | Solar |
| Rockford Plant | SoCore Energy LLC | Rockford, IL | 3 GWh | Nov 2024 | Dec 2025 | Solar |
| DSI Julie Solar | DSI Julie Solar LLC | Cold Spring, MN | 2 GWh | Nov 2024 | Dec 2025 | Solar |
| Lake Wilson Solar | Lake Wilson Solar, LLC | Lake Wilson, MN | 1 GWh | Nov 2024 | Dec 2025 | Solar |
| Lake Lilian Solar | Lake Lilian Solar, LLC | Lilian Lake, MN | 2 GWh | Nov 2024 | Dec 2025 | 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 |
| MN CSG 2019-82 | MN CSG 2019-82 LLC | Atwater, MN | 1 GWh | Nov 2024 | Dec 2025 | Solar |
| MN CSG 2019-60 | MN CSG 2019-60 LLC | Buffalo Lake, MN | 2 GWh | Nov 2024 | Dec 2025 | Solar |
| Lake Hallie | Standard Solar | Chippewa Falls, WI | 1 MWh | Nov 2024 | Dec 2024 | Solar |
| Armstrong 1 | Greenbacker Renewable Energy Corporation | Greenwood, IL | 4 GWh | Nov 2024 | Dec 2025 | Solar |
| Huck Finn Renewable Energy Center | Union Electric Co - (MO) | Vandalia, MO | 428 GWh | Nov 2024 | May 2026 | Solar |
| NLRED 2MW | Today's Power, Inc. | North Little Rock, AR | 5 GWh | Nov 2024 | Dec 2025 | 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 |
| Illinois PV Knox 3A | SoCore Energy LLC | Galesburg, IL | 3 GWh | Nov 2024 | Dec 2025 | Solar |
| Illinois PV Knox 3B | SoCore Energy LLC | Galesburg, IL | 3 GWh | Nov 2024 | Dec 2025 | Solar |
| Dunns Bridge II Solar | Dunns Bridge II Solar and Storage Generation LLC | San Pierre, IN | 774 GWh | Dec 2024 | May 2026 | Solar |
| Strix Solar | Madison Gas & Electric Co | Fitchburg, WI | 9 GWh | Dec 2024 | Dec 2025 | Solar |
| Sauk Solar Park | DTE Electric Company | Union City, MI | 228 GWh | Dec 2024 | May 2026 | Solar |
| Eldorado Solar I | Sol Systems | Eldorado, IL | 317 GWh | Dec 2024 | May 2026 | Solar |
| Prosperity Wind | Prosperity Wind, LLC | Deland, IL | 932 GWh | Dec 2024 | May 2026 | Wind |
| Agrimony 1 | Greenbacker Renewable Energy Corporation | Warren, IL | 2 GWh | Dec 2024 | Dec 2025 | Solar |
| Clinton Solar 2 | Pivot Energy | Centralia, IL | 4 GWh | Dec 2024 | Dec 2025 | Solar |
| Marion Solar 2 | Pivot Energy | Sandoval, IL | 2 GWh | Dec 2024 | Dec 2025 | Solar |
| Richland Township Solar, LLC | Birch Creek Power, LLC | Washburn, IL | 78 GWh | Dec 2024 | May 2026 | Solar |
| Salt Creek Township Solar, LLC | Birch Creek Power, LLC | Mason City, IL | 110 GWh | Dec 2024 | May 2026 | Solar |
| Surrey Road | Greenbacker Renewable Energy Corporation | Clare, MI | 4 GWh | Dec 2024 | Dec 2025 | Solar |
| Panther Creek Wind Project | Greenbacker Renewable Energy Corporation | Pittsfield, IL | 150 GWh | Jan 2025 | May 2026 | Wind |
| Envoy Solar, LLC | Birch Creek Power, LLC | Mexico, MO | 109 GWh | Jan 2025 | May 2026 | Solar |
| Raymond Solar WI, LLC | Wisconsin Electric Power Co | Franksville, WI | 8 GWh | Jan 2025 | Dec 2025 | Solar |
| Lowe's - 1845 - Chicago Brickyard, IL | North Narragansett Avenue Solar Project 2022, LLC | Chicago, IL | 1 GWh | Jan 2025 | Dec 2025 | Solar |
| DG Green Arrow | DG Green Arrow LLC | Pipestone, MN | 2 GWh | Feb 2025 | Dec 2025 | Solar |
| MN CSG 2019-67 | MN CSG 2019-67 LLC | Clear Lake, MN | 2 GWh | Feb 2025 | Dec 2025 | Solar |
| Edgar Solar 1 | Pivot Energy | Paris, IL | 5 GWh | Feb 2025 | Dec 2025 | Solar |
| Princeton Solar | Altorfer Inc. | Princeton, IL | 904 MWh | Feb 2025 | Dec 2025 | Solar |
| Calhoun County Solar Project | AES Clean Energy | Sheridan Township, MI | 250 GWh | Feb 2025 | May 2026 | Solar |
| Darien Solar | Wisconsin Electric Power Co | Darien, WI | 366 GWh | Feb 2025 | May 2026 | Solar |
| Quartz Solar, LLC | RWE Clean Energy | Wynne, AR | 299 GWh | Feb 2025 | May 2026 | Solar |
| Amite Solar, LLC | Amite Solar, LLC | Roseland, LA | 208 GWh | Feb 2025 | May 2026 | Solar |
| Unbridled Solar | Geronimo Power | Robards, KY | 316 GWh | Feb 2025 | May 2026 | Solar |
| Long Lake Solar, LLC | Long Lake Solar, LLC | West Helena, AR | 492 GWh | Mar 2025 | May 2026 | Solar |
| Rock County Customer Hosted Solar | Wisconsin Power & Light Co | Janesville, WI | 2 GWh | Mar 2025 | Dec 2025 | Solar |
| Janesville Community Solar | Wisconsin Power & Light Co | Janesville, WI | 3 GWh | Mar 2025 | Dec 2025 | Solar |
| Caledonia Solar WI, LLC | Wisconsin Electric Power Co | Caledonia, WI | 9 GWh | Mar 2025 | Dec 2025 | Solar |
| DIVOCSG 13 | DIVOCSG 13 LLC | Wabasha, MN | 1 GWh | Mar 2025 | Dec 2025 | Solar |
| MN CSG 2019-22 | MN CSG 2019-22 LLC | Danube, MN | 2 GWh | Mar 2025 | Dec 2025 | Solar |
| UW Kegonsa Customer Hosted Solar | Wisconsin Power & Light Co | Stoughton, WI | 2 GWh | Apr 2025 | Dec 2025 | Solar |
| Green River Solar | Green River Solar, LLC | Guston, KY | 398 GWh | Apr 2025 | May 2026 | Solar |
| MN CSG 2019-105 | MN CSG 2019-105 LLC | Wabash, MN | 1 GWh | Apr 2025 | Dec 2025 | Solar |
| Fairbanks Solar Project | Fairbanks Solar Energy Center LLC | Fairbanks, IN | 510 GWh | Apr 2025 | May 2026 | Solar |
| MN CSG 2019-79 | MN CSG 2019-79 LLC | Granite Falls, MN | 573 MWh | Apr 2025 | Dec 2025 | Solar |
| MN CSG 2019-77 | MN CSG 2019-77 LLC | Northfield, MN | 1 GWh | Apr 2025 | Dec 2025 | Solar |
| USS University Park Solar | United States Solar Corporation | University Park, IL | 3 GWh | Apr 2025 | Dec 2025 | Solar |
| LaSalle Solar 1 | Pivot Energy | Ransom, IL | 2 GWh | Apr 2025 | Dec 2025 | Solar |
| Toyota Boshoku | Onyx Asset Services Group | Lawrenceville, IL | 5 GWh | Apr 2025 | Dec 2025 | Solar |
| Novel Swenson Solar LLC CSG | Novel Swenson Solar HQ LLC | North Branch, MN | 922 MWh | Apr 2025 | Dec 2025 | Solar |
| Winfield Solar | Winfield Solar I, LLC | Winfield, MO | 281 GWh | Apr 2025 | May 2026 | Solar |
| Posey Solar | Southern Indiana Gas & Elec Co | Mount Vernon, IN | 405 GWh | Apr 2025 | May 2026 | Solar |
| IMPA Tipton 2 Solar Park | Indiana Municipal Power Agency | Tipton, IN | 3 GWh | Apr 2025 | Dec 2025 | Solar |
| IMPA Veedersburg Solar Park | Indiana Municipal Power Agency | Veedersburg, IN | 1 GWh | Apr 2025 | Dec 2025 | Solar |
| Speedway Solar, LLC | Speedway Solar, LLC | Morrison Town, IN | 379 GWh | May 2025 | May 2026 | Solar |
| IMPA Winamac Solar Park | Indiana Municipal Power Agency | Winamac, IN | 2 GWh | May 2025 | Dec 2025 | Solar |
| Pine River Solar Park | DTE Electric Company | Alma, MI | 126 GWh | May 2025 | May 2026 | Solar |
| Crossover Wind | Crossover Wind, LLC | Wynne, AR | 402 GWh | May 2025 | May 2026 | Wind |
| Morris Solar | AES Clean Energy | Kirksville, MO | 416 GWh | May 2025 | May 2026 | Solar |
| DIVOCSG 14 LLC | DIVOCSG 14 LLC | Wabasha, MN | 862 MWh | May 2025 | Dec 2025 | Solar |
| Agrimony 2 | Greenbacker Renewable Energy Corporation | Warren, IL | 2 GWh | May 2025 | Dec 2025 | Solar |
| Peoria County IL S2 | SolAmerica Energy, LLC | Peoria, IL | 2 GWh | May 2025 | Dec 2025 | Solar |
| Clinton Solar 4b | Pivot Energy | Carlyle, IL | 2 GWh | May 2025 | Dec 2025 | Solar |
| NL IL - Piatt 1 - East CSG | Standard Solar | De Land, IL | 2 GWh | May 2025 | Dec 2025 | Solar |
| NL IL - Kiwi | Standard Solar | Pinckneyville, IL | 2 GWh | May 2025 | Dec 2025 | Solar |
| Marathon Petroleum - Robinson Refinery | Onyx Asset Services Group | Robinson, IL | 5 GWh | May 2025 | Dec 2025 | Solar |
| Polaris Solar Park | DTE Electric Company | Ashley, MI | 123 GWh | Jun 2025 | May 2026 | Solar |
| Coldwater River Solar | Coldwater River Solar, LLC | Coldwater, MI | 167 GWh | Jun 2025 | May 2026 | Solar |
| Franklin CSG 1 | Franklin CSG 1 LLC | Franklin, MN | 913 MWh | Jun 2025 | Dec 2025 | Solar |
| Bavaria Solar LLC | Bavaria Solar LLC | Lake Wilson, MN | 845 MWh | Jun 2025 | Dec 2025 | Solar |
| St. Clair Solar 5 | Pivot Energy | Lebanon, IL | 2 GWh | Jun 2025 | Dec 2025 | Solar |
| Tully 1 | Greenbacker Renewable Energy Corporation | Morris, IL | 2 GWh | Jun 2025 | Dec 2025 | Solar |
| Flat Fork Solar | Flat Fork Solar, LLC | Wheatley, AR | 339 GWh | Jul 2025 | May 2026 | Solar |
| Nortera Customer Hosted Solar | Wisconsin Power & Light Co | Fairwater, WI | 307 MWh | Jul 2025 | Dec 2025 | Solar |
| Creston School Customer Hosted Solar | Interstate Power and Light Co | Creston, IA | 1 GWh | Jul 2025 | Dec 2025 | Solar |
| Gibson Solar | Gibson Solar, LLC | Princeton, IN | 294 GWh | Jul 2025 | 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 |