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 | Apr 2026 |
| Annual Generation | 664.4 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 | 36.9% Coal | 27.6% Wind | 14.8% Nuclear | 13.6% Solar | 5% Water | 1.4% 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 |
|---|---|---|---|---|---|---|
| Lenape II | Lenape Solar II, LLC | Indianapolis, IN | 5 GWh | Oct 2015 | Dec 2024 | Solar |
| Viresco Turtle Lake | Viresco Turtle Lake | Turtle Lake, WI | 8 GWh | Aug 2013 | Dec 2024 | Other Biomass Gas |
| Maywood Photovoltaic Project | ENI New Energy US Inc | Indianapolis, IN | 11 GWh | Feb 2014 | Dec 2024 | Solar |
| Waterloo Solar, LLC | AES Distributed Energy | Waterloo, IN | 592 MWh | Dec 2011 | Dec 2024 | Solar |
| Cross Winds Energy Park | Consumers Energy Co - (MI) | Unionville, MI | 721 GWh | Nov 2014 | Dec 2024 | Wind |
| Richland Center Renewable Energy LLC | Richland Center Renewable Energy LLC | Richland Center, WI | 6 GWh | Feb 2013 | Dec 2024 | Other Biomass Gas |
| Lakeswind Power Partners | Lakeswind Power Partners | Pelican Rapids, MN | 151 GWh | Feb 2014 | Dec 2024 | Wind |
| Bison 4 Wind Energy Center | ALLETE, Inc. | New Salem, ND | 624 GWh | Dec 2014 | Dec 2024 | Wind |
| Lundgren Wind Project | MidAmerican Energy Co | Otho, IA | 804 GWh | Jul 2014 | Dec 2024 | Wind |
| Macksburg Wind Project | MidAmerican Energy Co | Macksburg, IA | 330 GWh | Nov 2014 | Dec 2024 | Wind |
| Wellsburg Wind Project | MidAmerican Energy Co | Wellsburg, IA | 469 GWh | Nov 2014 | Dec 2024 | Wind |
| Big Turtle Wind Farm, LLC | DTE Sustainable Generation | Harbor Beach, MI | 70 GWh | Nov 2014 | Dec 2024 | Wind |
| Beebe 1B | Beebe 1B Renewable Energy, LLC | Ithaca, MI | 127 GWh | Nov 2014 | Dec 2024 | Wind |
| Story City Wind Project | Hamilton Wind Energy LLC | Story City, IA | 5 GWh | Sep 2010 | Dec 2024 | Wind |
| Melrose 2 | Melrose Public Utilities | Melrose, MN | 3 MWh | Feb 2014 | Dec 2024 | Distillate Fuel Oil |
| Traer Wind Project | City of Traer - (IA) | Traer, IA | 6 GWh | Sep 2010 | Dec 2024 | Wind |
| Rockville Solar I LLC | Greenbacker Renewable Energy Corporation | Indianapolis, IN | 3 GWh | Mar 2014 | Dec 2024 | Solar |
| Rockville Solar II, LLC | Greenbacker Renewable Energy Corporation | Indianapolis, IN | 812 MWh | Jul 2014 | Dec 2024 | Solar |
| Thunder Spirit Wind, LLC | Montana-Dakota Utilities Co | Hettinger, ND | 523 GWh | Nov 2015 | Dec 2024 | Wind |
| St. Olaf Wind Turbine | St. Olaf College | Northfield, MN | 3 GWh | Aug 2006 | Dec 2024 | Wind |
| St. Olaf StandBy Generators | St. Olaf College | Northfield, MN | 31 MWh | May 1999 | Dec 2024 | Distillate Fuel Oil |
| East Chicago | Altus Power America Management, LLC | East Chicago, IN | 3 GWh | Feb 2013 | Dec 2024 | Solar |
| Griffith | Altus Power America Management, LLC | Griffith, IN | 3 GWh | Feb 2013 | Dec 2024 | Solar |
| Hoopeston Wind LLC | Hoopeston Wind LLC | Rossville, IL | 371 GWh | Feb 2015 | Dec 2024 | Wind |
| Michelangelo Wind 3 LLC | Michelangelo Wind 3 LLC | Huxley, IA | 9 GWh | Jan 2017 | Dec 2024 | Wind |
| Carroll Area Wind Farm | SRIV Partnership LLC | Templeton, IA | 54 GWh | Dec 2014 | Dec 2024 | Wind |
| Holland Energy Park | City of Holland | Holland, MI | 893 GWh | May 2017 | Dec 2024 | Natural Gas |
| Belmont | Marion Solar LLC | Indianapolis, IN | 5 GWh | Oct 2015 | Dec 2024 | Solar |
| Marion Solar LNG | Marion Solar LLC | Indianapolis, IN | 2 GWh | Sep 2015 | Dec 2024 | Solar |
| Univ Minnesota CHP Plant | University of Minnesota Central Utilities | Minneapolis, MN | 166 GWh | Oct 2017 | Dec 2024 | Natural Gas : 99.9% |
| Border Winds Wind Farm | Northern States Power Co - Minnesota | Rolla, ND | 614 GWh | Jul 2015 | Dec 2024 | Wind |
| Pleasant Valley Wind Farm | Northern States Power Co - Minnesota | Dexter, MN | 770 GWh | Jul 2015 | Dec 2024 | Wind |
| Optimum Wind 5 LLC | Optimum Wind 5 LLC | Nevada, IA | 9 GWh | Feb 2017 | Dec 2024 | Wind |
| Optimum Wind 6 LLC | Optimum Wind 6 LLC | Nevada, IA | 9 GWh | Feb 2017 | Dec 2024 | Wind |
| Optimum Wind 7 LLC | Optimum Wind 7 LLC | Nevada, IA | 11 GWh | Feb 2017 | Dec 2024 | Wind |
| Optimum Wind 4 LLC | Optimum Wind 4 LLC | Nevada, IA | 10 GWh | Feb 2017 | Dec 2024 | Wind |
| Optimum Wind 3 LLC | Optimum Wind 3 LLC | Nevada, IA | 10 GWh | Feb 2017 | Dec 2024 | Wind |
| Leonardo Wind 1 LLC | Leonardo Wind 1 LLC | Alden, IA | 10 GWh | Nov 2016 | Dec 2024 | Wind |
| Venus Wind 3 LLC | Venus Wind 3 LLC | Grinnell, IA | 10 GWh | Feb 2017 | Dec 2024 | Wind |
| Michelangelo Wind 1 LLC | Michelangelo Wind 1 LLC | Huxley, IA | 8 GWh | Feb 2017 | Dec 2024 | Wind |
| Michelangelo Wind 4 LLC | Michelangelo Wind 4 LLC | Ames, IA | 10 GWh | Nov 2016 | Dec 2024 | Wind |
| Hidden View Dairy, LLC | Hidden View Dairy, LLC | Rensselaer, IN | 4 GWh | Jan 2007 | Dec 2024 | Natural Gas |
| IND Solar Farm (Phase IIA) | Terraform Arcadia | Indianapolis, IN | 10 GWh | Nov 2014 | Dec 2024 | Solar |
| Duke Building 87 | Concord New Energy | Indianapolis, IN | 3 GWh | Nov 2014 | Dec 2024 | Solar |
| Duke Building 98 | Concord New Energy | Indianapolis, IN | 4 GWh | Nov 2014 | Dec 2024 | Solar |
| Duke Building 129 | Concord New Energy | Indianapolis, IN | 4 GWh | Nov 2014 | Dec 2024 | Solar |
| Lennon Generating | North American Natural Res | Lennon, MI | 30 GWh | Jan 2001 | Dec 2024 | Landfill Gas |
| East. Michigan Univ. Heating Plant | East. Michigan Univ. Heating Plant | Ypsilanti, MI | 37 GWh | Sep 1987 | Dec 2024 | Natural Gas |
| Coldwater Peaking Plant | Coldwater Board of Public Util | Coldwater, MI | 288 MWh | Jun 2015 | Dec 2024 | Natural Gas |
| Petit Jean | Today's Power, Inc. | Clinton, AR | 2 GWh | Nov 2023 | Dec 2024 | Solar |
| Star City School District | Today's Power, Inc. | Star City, AR | 3 GWh | Aug 2021 | Dec 2024 | Solar |
| North Arkansas Electric Cooperative | Today's Power, Inc. | Salem, AR | 2 GWh | Apr 2021 | Dec 2024 | Solar |
| NLRED 2MW | Today's Power, Inc. | North Little Rock, AR | 80 MWh | Nov 2024 | Dec 2024 | Solar |
| Marshall Solar Plus LLC | Western Minnesota Mun Pwr Agny | Marshall, MN | 539 MWh | Nov 2024 | Dec 2024 | Solar |
| USS Rosewood Solar LLC (CSG) | United States Solar Corporation | Montevideo, MN | 544 MWh | Jul 2024 | Dec 2024 | Solar |
| USS Slayton Solar LLC (CSG) | United States Solar Corporation | Slayton, MN | 627 MWh | Jul 2024 | Dec 2024 | Solar |
| Cedarville (IL) | Generate Capital | Freeport, IL | 1 GWh | Apr 2024 | Dec 2024 | Solar |
| Lake Hallie | Standard Solar | Chippewa Falls, WI | 1 MWh | Nov 2024 | Dec 2024 | Solar |
| SV CSG AFTON I | SV CSG Afton I, LLC | Afton, MN | 642 MWh | Jun 2024 | Dec 2024 | Solar |
| DSI Don Solar | DSI Don Solar LLC | Renville, MN | 579 MWh | Jun 2024 | Dec 2024 | Solar |
| Kankakee Solar 3 | Pivot Energy | Manteno, IL | 107 MWh | Oct 2024 | Dec 2024 | Solar |
| SAU Tech | Today's Power, Inc. | Bearden, AR | 2 GWh | Jun 2019 | Dec 2024 | Solar |
| South Central Electric Cooperative | Today's Power, Inc. | Arkadelphia, AR | 2 GWh | Jul 2019 | Dec 2024 | Solar |
| Portage Solar Plant | Portage Solar Plant | Portage, WI | 23 GWh | May 2023 | Dec 2024 | Solar |
| Veolia (Gum Springs) | Today's Power, Inc. | Arkadelphia, AR | 3 GWh | Jul 2024 | Dec 2024 | Solar |
| Woodruff Electric Cooperative | Today's Power, Inc. | Forrest City, AR | 2 GWh | Apr 2019 | Dec 2024 | Solar |
| Zeuber | Today's Power, Inc. | Little Rock, AR | 7 GWh | Nov 2023 | Dec 2024 | Solar |
| White River Medical Center | Entegrity Solar WRMC, LLC | Newport, AR | 5 GWh | Sep 2023 | Dec 2024 | Solar |
| Southside SD | Entegrity Solar Southside SD, LLC | Little Rock, AR | 2 GWh | May 2023 | Dec 2024 | Solar |
| Searcy Water II | Entegrity Solar SWU 2, LLC | Searcy, AR | 4 GWh | May 2021 | Dec 2024 | Solar |
| Searcy Water I | Entegrity Solar SWU, LLC | Searcy, AR | 834 MWh | May 2021 | Dec 2024 | Solar |
| Clinton Solar 2b | Pivot Energy | Centralia, IL | 81 MWh | Oct 2024 | Dec 2024 | Solar |
| Windshare LLC | Greenbacker Renewable Energy Corporation | Chandler, MN | 11 GWh | Feb 2006 | Dec 2024 | Wind |
| Rivercrest SD | Entegrity Solar Rivercrest SD, LLC | Wilson, AR | 2 GWh | Feb 2022 | Dec 2024 | Solar |
| LRWRA | Entegrity Solar LRWRA, LLC | Little Rock, AR | 2 GWh | Jul 2023 | Dec 2024 | Solar |
| Adams PV Plant | Adams PV Plant (WI) | Adams, WI | 17 GWh | Jun 2023 | Dec 2024 | Solar |
| Bunker Hill Solar | SoCore Energy LLC | Lyndon, IL | 4 GWh | Oct 2021 | Dec 2024 | Solar |
| DPC Madison | SoCore Energy LLC | Ridgeway, IA | 3 GWh | Jan 2019 | Dec 2024 | Solar |
| DPC York | SoCore Energy LLC | Thomson, IL | 3 GWh | Jul 2019 | Dec 2024 | Solar |
| GRE Cambridge Solar | SoCore Energy LLC | Cambridge, MN | 3 GWh | Nov 2019 | Dec 2024 | Solar |
| Round Grove 1 | SoCore Energy LLC | Lyndon, IL | 4 GWh | Oct 2021 | Dec 2024 | Solar |
| Round Grove 2 | SoCore Energy LLC | Lyndon, IL | 5 GWh | Oct 2021 | Dec 2024 | Solar |
| Fond du Lac Community Solar | SoCore Energy LLC | Fond Du Lac, WI | 2 GWh | Nov 2021 | Dec 2024 | Solar |
| Yorktown 1 Solar | SoCore Energy LLC | Lyndon, IL | 2 GWh | Dec 2023 | Dec 2024 | Solar |
| Yorktown 2 Solar | SoCore Energy LLC | Lyndon, IL | 2 GWh | Dec 2023 | Dec 2024 | Solar |
| Fayetteville Public Schools (SWEPCO) | Nabholz Solar FPS, LLC | Booneville, AR | 9 GWh | Jul 2023 | Dec 2024 | Solar |
| LaFayette Solar WI, LLC | Wisconsin Electric Power Co | Elkhorn, WI | 15 MWh | Nov 2024 | Dec 2024 | Solar |
| Hackbarth Solar WI, LLC | Wisconsin Electric Power Co | Fort Atkinson, WI | 30 MWh | Nov 2024 | Dec 2024 | Solar |
| Sherburne Solar Holdings, LLC | REA Investments, LLC | Princeton, MN | 4 GWh | Feb 2021 | Dec 2024 | Solar |
| Auburn Solar WI, LLC | Wisconsin Electric Power Co | Campbellsport, WI | 80 MWh | Nov 2024 | Dec 2024 | Solar |
| Antigo-Forrest Street Solar Project | Wisconsin Public Service Corp | Antigo, WI | 279 MWh | Oct 2024 | Dec 2024 | Solar |
| Marion Solar 4b LLC | Pivot Energy | Sandoval, IL | 970 MWh | Apr 2024 | Dec 2024 | Solar |
| Putnam Solar 1 | Pivot Energy | Granville, IL | 2 GWh | Apr 2024 | Dec 2024 | Solar |
| Putnam Solar 1B | Pivot Energy | Granville, IL | 2 GWh | May 2024 | Dec 2024 | Solar |
| Kankakee Solar 1 | Pivot Energy | Bourbonnais, IL | 2 GWh | Apr 2024 | Dec 2024 | Solar |
| Poet Bioprocessing Emmetsburg | Poet Bioprocessing Emmetsburg | Emmetsburg, IA | 18 GWh | Nov 2023 | Dec 2024 | Natural Gas : 83.1% Other Biomass Solids : 16.9% |
| Breezewood | Cypress Creek Renewables | Bloomington, IL | 732 MWh | Aug 2024 | Dec 2024 | Solar |
| Abel Solar | SoCore Energy LLC | Morrison, IL | 3 GWh | Nov 2021 | Dec 2024 | Solar |
| St. Clair Solar 3 | Pivot Energy | Washington Park, IL | 158 MWh | May 2024 | Dec 2024 | Solar |
| IMPA Rensselaer Solar Park | Indiana Municipal Power Agency | Rensselaer, IN | 985 MWh | Apr 2014 | Dec 2024 | Solar |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #60 | Alcoa Power Generating, Inc. - Yadkin Division | 582.3 GWh | 4 |
| #27 | Associated Electric Cooperative, Inc. | 23.9 TWh | 47 |
| #13 | Duke Energy Carolinas | 112.5 TWh | 565 |
| #52 | Duke Energy Progress West | 4.4 TWh | 10 |
| #23 | Louisville Gas and Electric Company and Kentucky Utilities Company | 34.0 TWh | 25 |
| #1 | PJM Interconnection, LLC | 881.5 TWh | 2,465 |
| #6 | Southern Company Services, Inc. - Trans | 250.9 TWh | 417 |
| #5 | Southwest Power Pool | 302.9 TWh | 835 |
| #51 | Southwestern Power Administration | 4.6 TWh | 34 |
| #9 | Tennessee Valley Authority | 163.1 TWh | 204 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #1 | PJM Interconnection, LLC | 881.5 TWh | 2,465 |
| #2 | Midcontinent Independent System Operator, Inc. | 664.4 TWh | 2,831 |
| #3 | Electric Reliability Council of Texas, Inc. | 488.2 TWh | 1,313 |
| #5 | Southwest Power Pool | 302.9 TWh | 835 |
| #6 | Southern Company Services, Inc. - Trans | 250.9 TWh | 417 |
| #7 | California Independent System Operator | 176.8 TWh | 2,075 |
| #9 | Tennessee Valley Authority | 163.1 TWh | 204 |
| #10 | Florida Power & Light Co. | 150.9 TWh | 187 |
| #12 | New York Independent System Operator | 134.4 TWh | 1,211 |
| #13 | Duke Energy Carolinas | 112.5 TWh | 565 |