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 |
|---|---|---|---|---|---|---|
| Spring Prairie Solar WI, LLC | Wisconsin Electric Power Co | Burlington, WI | 13 GWh | Nov 2023 | Dec 2025 | Solar |
| Abel Solar | SoCore Energy LLC | Morrison, IL | 4 GWh | Nov 2021 | Dec 2025 | Solar |
| Bunker Hill Solar | SoCore Energy LLC | Lyndon, IL | 4 GWh | Oct 2021 | Dec 2025 | Solar |
| DPC Madison | SoCore Energy LLC | Ridgeway, IA | 3 GWh | Jan 2019 | Dec 2025 | Solar |
| DPC York | SoCore Energy LLC | Thomson, IL | 3 GWh | Jul 2019 | Dec 2025 | Solar |
| GRE Cambridge Solar | SoCore Energy LLC | Cambridge, MN | 4 GWh | Nov 2019 | Dec 2025 | Solar |
| Illinois PV Knox 1B | SoCore Energy LLC | Yates City, IL | 4 GWh | Aug 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 |
| Round Grove 1 | SoCore Energy LLC | Lyndon, IL | 4 GWh | Oct 2021 | Dec 2025 | Solar |
| Round Grove 2 | SoCore Energy LLC | Lyndon, IL | 5 GWh | Oct 2021 | Dec 2025 | Solar |
| Fond du Lac Community Solar | SoCore Energy LLC | Fond Du Lac, WI | 2 GWh | Nov 2021 | Dec 2025 | Solar |
| Illinois PV Knox 1A | SoCore Energy LLC | Yates City, IL | 3 GWh | Aug 2024 | Dec 2025 | Solar |
| Yorktown 1 Solar | SoCore Energy LLC | Lyndon, IL | 4 GWh | Dec 2023 | Dec 2025 | Solar |
| Yorktown 2 Solar | SoCore Energy LLC | Lyndon, IL | 4 GWh | Dec 2023 | Dec 2025 | Solar |
| Strix Solar | Madison Gas & Electric Co | Fitchburg, WI | 9 GWh | Dec 2024 | Dec 2025 | Solar |
| Sherburne Solar Holdings, LLC | REA Investments, LLC | Princeton, MN | 4 GWh | Feb 2021 | Dec 2025 | Solar |
| DSI Julie Solar | DSI Julie Solar LLC | Cold Spring, MN | 2 GWh | Nov 2024 | Dec 2025 | Solar |
| Clinton Schools | Interstate Power and Light Co | Clinton, IA | 9 MWh | Nov 2025 | 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 |
| Marion Solar 4b LLC | Pivot Energy | Sandoval, IL | 4 GWh | Apr 2024 | Dec 2025 | Solar |
| Putnam Solar 1 | Pivot Energy | Granville, IL | 4 GWh | Apr 2024 | Dec 2025 | Solar |
| Putnam Solar 1B | Pivot Energy | Granville, IL | 4 GWh | May 2024 | Dec 2025 | Solar |
| Kankakee Solar 1 | Pivot Energy | Bourbonnais, IL | 4 GWh | Apr 2024 | Dec 2025 | Solar |
| Poet Bioprocessing Emmetsburg | Poet Bioprocessing Emmetsburg | Emmetsburg, IA | 18 GWh | Nov 2023 | Dec 2025 | Natural Gas : 84.7% Other Biomass Solids : 15.3% |
| 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 |
| St. Clair Solar 3 | Pivot Energy | Washington Park, IL | 4 GWh | May 2024 | Dec 2025 | Solar |
| Kankakee Solar 3 | Pivot Energy | Manteno, IL | 3 GWh | Oct 2024 | Dec 2025 | Solar |
| DG Green Arrow | DG Green Arrow LLC | Pipestone, MN | 2 GWh | Feb 2025 | Dec 2025 | Solar |
| MN CSG 2019-105 | MN CSG 2019-105 LLC | Wabash, MN | 1 GWh | Apr 2025 | Dec 2025 | Solar |
| MN CSG 2019-67 | MN CSG 2019-67 LLC | Clear Lake, MN | 2 GWh | Feb 2025 | Dec 2025 | Solar |
| DIVOCSG 13 | DIVOCSG 13 LLC | Wabasha, MN | 1 GWh | Mar 2025 | Dec 2025 | Solar |
| Armstrong 1 | Greenbacker Renewable Energy Corporation | Greenwood, IL | 4 GWh | Nov 2024 | Dec 2025 | Solar |
| DIVOCSG 14 LLC | DIVOCSG 14 LLC | Wabasha, MN | 862 MWh | May 2025 | Dec 2025 | Solar |
| MN CSG 2019-79 | MN CSG 2019-79 LLC | Granite Falls, MN | 573 MWh | Apr 2025 | Dec 2025 | Solar |
| MN CSG 2019-22 | MN CSG 2019-22 LLC | Danube, MN | 2 GWh | Mar 2025 | Dec 2025 | Solar |
| Agrimony 2 | Greenbacker Renewable Energy Corporation | Warren, IL | 2 GWh | May 2025 | Dec 2025 | Solar |
| Agrimony 1 | Greenbacker Renewable Energy Corporation | Warren, IL | 2 GWh | Dec 2024 | Dec 2025 | Solar |
| MN CSG 2019-77 | MN CSG 2019-77 LLC | Northfield, MN | 1 GWh | Apr 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 |
| NLRED 2MW | Today's Power, Inc. | North Little Rock, AR | 5 GWh | Nov 2024 | Dec 2025 | Solar |
| North Arkansas Electric Cooperative | Today's Power, Inc. | Salem, AR | 2 GWh | Apr 2021 | Dec 2025 | Solar |
| Petit Jean | Today's Power, Inc. | Clinton, AR | 2 GWh | Nov 2023 | Dec 2025 | Solar |
| SAU Tech | Today's Power, Inc. | Bearden, AR | 2 GWh | Jun 2019 | Dec 2025 | Solar |
| South Central Electric Cooperative | Today's Power, Inc. | Arkadelphia, AR | 2 GWh | Jul 2019 | Dec 2025 | Solar |
| Star City School District | Today's Power, Inc. | Star City, AR | 2 GWh | Aug 2021 | Dec 2025 | Solar |
| Veolia (Gum Springs) | Today's Power, Inc. | Arkadelphia, AR | 10 GWh | Jul 2024 | Dec 2025 | Solar |
| Woodruff Electric Cooperative | Today's Power, Inc. | Forrest City, AR | 2 GWh | Apr 2019 | Dec 2025 | Solar |
| Zeuber | Today's Power, Inc. | Little Rock, AR | 7 GWh | Nov 2023 | Dec 2025 | Solar |
| City of Peru Hydro-Electric Generating S | City of Peru - (IL) | Utica, IL | 17 GWh | Aug 1996 | Dec 2025 | Water |
| City of Peru Rail Generating Station | City of Peru - (IL) | Peru, IL | 53 MWh | Aug 2011 | Dec 2025 | Distillate Fuel Oil |
| City of Peru Water Street Generating Sta | City of Peru - (IL) | Peru, IL | 33 MWh | Sep 1968 | Dec 2025 | Jet Fuel |
| USS Origami Solar | USS Origami Solar LLC | Fulton, IL | 1 GWh | Sep 2025 | Dec 2025 | Solar |
| USS Cattail Solar | USS Cattail Solar LLC | Fulton, IL | 1 GWh | Jul 2025 | Dec 2025 | 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 |
| USS University Park Solar | United States Solar Corporation | University Park, IL | 3 GWh | Apr 2025 | Dec 2025 | Solar |
| Macon County IL S1 | SolAmerica Energy, LLC | Decatur, IL | 316 MWh | Sep 2025 | Dec 2025 | Solar |
| Peoria County IL S2 | SolAmerica Energy, LLC | Peoria, IL | 2 GWh | May 2025 | Dec 2025 | Solar |
| Tazewell County IL S1 | SolAmerica Energy, LLC | Delavan, IL | 386 MWh | Sep 2025 | Dec 2025 | Solar |
| Richland Township Solar II, LLC | Birch Creek Power, LLC | Washburn, IL | 5 GWh | Aug 2025 | Dec 2025 | 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 |
| 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 |
| Edgar Solar 1 | Pivot Energy | Paris, IL | 5 GWh | Feb 2025 | Dec 2025 | Solar |
| LaSalle Solar 1 | Pivot Energy | Ransom, IL | 2 GWh | Apr 2025 | Dec 2025 | Solar |
| Clinton Solar 4b | Pivot Energy | Carlyle, IL | 2 GWh | May 2025 | Dec 2025 | Solar |
| Clinton Solar 2b | Pivot Energy | Centralia, IL | 4 GWh | Oct 2024 | Dec 2025 | Solar |
| Windshare LLC | Greenbacker Renewable Energy Corporation | Chandler, MN | 6 GWh | Feb 2006 | Dec 2025 | Wind |
| St. Clair Solar 5 | Pivot Energy | Lebanon, IL | 2 GWh | Jun 2025 | Dec 2025 | Solar |
| Bureau Solar 1 | Pivot Energy | Princeton, IL | 2 GWh | Aug 2025 | Dec 2025 | Solar |
| LaSalle Solar 6 | Pivot Energy | Ottawa, IL | 582 MWh | Oct 2025 | Dec 2025 | Solar |
| Peoria Solar 3 | Pivot Energy | Dunlap, IL | 219 MWh | Nov 2025 | Dec 2025 | Solar |
| Goldenrod (IL) | Generate Capital | Viola, IL | 6 GWh | Jul 2025 | Dec 2025 | Solar |
| DIVOCSG 11 - Sherburne | Madison Energy Investments LLC | Clear Lake, MN | 713 MWh | May 2024 | Dec 2025 | Solar |
| Novel Stumpf 1 Solar CSG | Novel Stumpf 1 Solar LLC | Red Wing, MN | 60 MWh | Nov 2025 | Dec 2025 | Solar |
| SV CSG Gander Farms 1 A | SV CSG Gander Farms 1 A, LLC | Carterville, IL | 188 MWh | Oct 2025 | Dec 2025 | Solar |
| Rocky Mountain Elk Solar Community Solar | Rocky Mountain Elk Solar, LLC | Sheffield, IL | 108 MWh | Nov 2025 | Dec 2025 | Solar |
| Buckheart Creek Solar I Community Solar | Buckheart Creek Solar 1, LLC | Canton, IL | 37 MWh | Nov 2025 | Dec 2025 | Solar |
| Enterprise MN - Buscho CSG | Standard Solar | Owatonna, MN | 26 MWh | Nov 2025 | Dec 2025 | Solar |
| Enterprise MN - Ferche CSG | Standard Solar | Paynesville, MN | 35 MWh | Nov 2025 | Dec 2025 | Solar |
| NL IL - 1875 North Road CSG | Standard Solar | Pontiac, IL | 3 GWh | Aug 2025 | Dec 2025 | Solar |
| NL IL - Piatt 1 - East CSG | Standard Solar | De Land, IL | 2 GWh | May 2025 | Dec 2025 | Solar |
| Tinta Wita 5 MW Solar PV System | Tinta Wita Energy LLC | Welch, MN | 7 GWh | Apr 2024 | Dec 2025 | Solar |
| NE IL - Esmen West | Standard Solar | Pontiac, IL | 2 GWh | Aug 2025 | Dec 2025 | Solar |
| NL IL - Kiwi | Standard Solar | Pinckneyville, IL | 2 GWh | May 2025 | Dec 2025 | Solar |
| South Belleville Solar, LLC | Dimension Energy LLC | Smithton Township, IL | 385 MWh | Oct 2025 | Dec 2025 | Solar |
| Spring Brook Solar WI, LLC | Wisconsin Electric Power Co | Whitewater, WI | 630 MWh | Sep 2025 | Dec 2025 | Solar |
| Rock LakeSolar WI, LLC | Wisconsin Electric Power Co | Waterloo, WI | 318 MWh | Oct 2025 | Dec 2025 | Solar |
| Antigo Solar Partners, LLC | Wisconsin Electric Power Co | Antigo, WI | 9 GWh | Oct 2025 | Dec 2025 | Solar |
| La Grange Solar Partners, LLC | Wisconsin Electric Power Co | Elkhorn, WI | 405 MWh | Oct 2025 | Dec 2025 | Solar |
| Medanos Solar LLC | Dimension Energy LLC | Homer, IL | 96 MWh | Nov 2025 | Dec 2025 | Solar |
| Drummer Creek I Solar LLC | Dimension Energy LLC | Gibson City, IL | 170 MWh | Nov 2025 | Dec 2025 | Solar |
| Bancroft (MN) | OneEnergy, Inc. | Albert Lea, MN | 589 MWh | Sep 2025 | Dec 2025 | Solar |
| Bridge Creek | OneEnergy, Inc. | Augusta, WI | 258 MWh | Oct 2025 | Dec 2025 | Solar |
| Bright Future | OneEnergy, Inc. | Hammond, WI | 361 MWh | Sep 2025 | Dec 2025 | Solar |
| Douglas (IA) | OneEnergy, Inc. | Riceville, IA | 804 MWh | Aug 2025 | Dec 2025 | 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 |