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 |
|---|---|---|---|---|---|---|
| Wisconsin Rapids | Consolidated Water Power Co | Wisconsin Rapids, WI | 50 GWh | Dec 1902 | Dec 2024 | Water |
| Indiana Crossroads Wind Farm II | Indiana Crossroads Wind Farm II LLC | Wolcott, IN | 590 GWh | Nov 2024 | Feb 2026 | Wind |
| Sauk DPC Solar | SoCore Energy LLC | Wonewoc, WI | 1 GWh | Dec 2016 | Dec 2024 | Solar |
| USS Wolf Solar LLC | United States Solar Corporation | Wood Lake, MN | 2 GWh | Jun 2023 | Dec 2024 | Solar |
| Woodbury Solar | MN CSG 2, LLC | Woodbury, MN | 4 GWh | Jun 2020 | Dec 2024 | Solar |
| Ridgewind | Ridgewind Power Partners LLC | Woodstock, MN | 81 GWh | Dec 2010 | Dec 2024 | Wind |
| Moraine II Wind LLC | Avangrid Power LLC | Woodstock, MN | 73 GWh | Jan 2009 | Dec 2024 | Wind |
| Grant County Wind LLC | Grant County Wind, LLC | Woodstock, MN | 55 GWh | Jul 2010 | Dec 2024 | Wind |
| Stoneray Power Partners, LLC | EDF Renewable Asset Holdings, Inc. | Woodstock, MN | 363 GWh | Jan 2019 | Feb 2026 | Wind |
| Rock Aetna Power Partners | Northern States Power Co - Minnesota | Woodstock, MN | 82 GWh | Nov 2022 | Dec 2024 | Wind |
| Kas Brothers Windfarm | Kas Brothers Windfarm LLC | Woodstock, MN | 2 GWh | Nov 2001 | Dec 2024 | Wind |
| Woodstock Windfarm | Consolidated Edison Development Inc. | Woodstock, MN | 28 GWh | Apr 1999 | Dec 2024 | Wind |
| Boeve Windfarm LLC | Boeve Windfarm LLC | Woodstock, MN | 5 GWh | Jul 2003 | Dec 2024 | Wind |
| K-Brink Windfarm LLC | K-brink Windfarm, LLC | Woodstock, MN | 3 GWh | Jan 2003 | Dec 2024 | Wind |
| Moraine Wind LLC | Avangrid Power LLC | Woodstock, MN | 61 GWh | Nov 2003 | Dec 2024 | Wind |
| Windcurrent Farms LLC | Windcurrent Farms LLC | Woodstock, MN | 5 GWh | Aug 2003 | Dec 2024 | Wind |
| Fey Windfarm LLC | Fey Windfarm LLC | Woodstock, MN | 5 GWh | Aug 2003 | Dec 2024 | Wind |
| Westridge Windfarm LLC | Westridge Windfarm LLC | Woodstock, MN | 288 MWh | Oct 2003 | Dec 2024 | Wind |
| CG Windfarm LLC | CG Windfarm LLC | Woodstock, MN | 144 MWh | Nov 2003 | Dec 2024 | Wind |
| Worthington Generation LLC | Hoosier Energy R E C, Inc | Worthington, IN | 195 GWh | May 2000 | Dec 2024 | Natural Gas |
| Worthington | City of Worthington - (MN) | Worthington, MN | 9 GWh | Jan 2002 | Dec 2024 | Wind : 98.9% Distillate Fuel Oil : 1.1% |
| Ewington Energy Systems, LLC | Ewington Energy Systems, LLC | Worthington, MN | 86 GWh | Dec 2007 | Dec 2024 | Wind |
| MP CSG 1 LLC | United States Solar Corporation | Wrenshall, MN | 2 GWh | Dec 2017 | Dec 2024 | Solar |
| Fox Energy Center | Wisconsin Public Service Corp | Wrightstown, WI | 4 TWh | May 2005 | Feb 2026 | Natural Gas |
| Wyandotte | Wyandotte Municipal Serv Comm | Wyandotte, MI | 110 MWh | Dec 1947 | Feb 2026 | Distillate Fuel Oil |
| Prairie View I & II LFGTE | Wabash Valley Power Assn, Inc | Wyatt, IN | 31 GWh | Sep 1994 | Dec 2023 | Landfill Gas |
| Quartz Solar, LLC | Quartz Solar, LLC | Wynne, AR | 299 GWh | - | Feb 2026 | Solar |
| Crossover Wind | Crossover Wind, LLC | Wynne, AR | 269 GWh | - | Feb 2026 | Wind |
| Wyoming 2 CSG, LLC | Ecoplexus, Inc | Wyoming, MN | 8 GWh | Feb 2018 | Dec 2024 | Solar |
| CF Industries Yazoo City Complex | CF Industries Nitrogen LLC | Yazoo City, MS | 126 GWh | Jun 1984 | Feb 2026 | Natural Gas |
| Lind Solar CSG | Terraform Arcadia | Young America, MN | 8 GWh | Jan 2017 | Dec 2024 | Solar |
| East. Michigan Univ. Heating Plant | East. Michigan Univ. Heating Plant | Ypsilanti, MI | 37 GWh | Sep 1987 | Dec 2024 | Natural Gas |
| FPL Energy Story Wind LLC | FPL Energy Story Wind LLC | Zearing, IA | 538 GWh | Nov 2008 | Feb 2026 | Wind |
| Garden Wind LLC | Garden Wind LLC | Zearing, IA | 359 GWh | Nov 2009 | Feb 2026 | Wind |
| Zeeland Farm Services | Zeeland Farm Services | Zeeland, MI | 13 GWh | Feb 2006 | Dec 2023 | Other Biomass Gas |
| Municipal Power Plant | City of Zeeland - (MI) | Zeeland, MI | 63 MWh | May 2002 | Dec 2024 | Natural Gas |
| Zeeland Generating Station | Consumers Energy Co - (MI) | Zeeland, MI | 5 TWh | May 2001 | Feb 2026 | Natural Gas |
| Riley Generating Station | City of Zeeland - (MI) | Zeeland, MI | 169 MWh | Jun 2006 | Dec 2024 | Natural Gas |
| Autumn Hills Generating Facility | North American Natural Res | Zeeland, MI | 9 GWh | Jun 2009 | May 2024 | Landfill Gas |
| Carina Community Solar | Carina Community Solar | Zumbro Falls, MN | 6 GWh | Jan 2018 | Dec 2024 | Solar |
| Huneke I CSG | Huneke I CSG LLC | Zumbrota, MN | 2 GWh | Apr 2018 | Dec 2024 | Solar |
| Huneke II CSG | Terraform Arcadia | Zumbrota, MN | 2 GWh | Aug 2018 | Dec 2024 | Solar |
| Zumbro Community Solar Garden | Zumbro Solar LLC | Zumbrota, MN | 2 GWh | Mar 2018 | Dec 2024 | Solar |
| FastSun 9 CSG | Altus Power America Management, LLC | Zumbrota, MN | 2 GWh | Feb 2020 | Dec 2024 | Solar |
| FastSun 10 CSG | Altus Power America Management, LLC | Zumbrota, MN | 2 GWh | Feb 2020 | Dec 2024 | Solar |
| FastSun 11 CSG | Altus Power America Management, LLC | Zumbrota, MN | 2 GWh | Feb 2020 | Dec 2024 | Solar |
| Goodhue Community Solar One LLC CSG | Madison Energy Holdings LLC | Zumbrota, MN | 2 GWh | Jan 2020 | Dec 2024 | Solar |
| Novel Huneke Solar LLC CSG | REA Investments, LLC | Zumbrota, MN | 2 GWh | Aug 2021 | Dec 2024 | Solar |
| T Luhman CSG | Madison Energy Holdings LLC | Zumbrota, MN | 2 GWh | Jul 2021 | Dec 2024 | Solar |
| Goodhue Community Solar Three LLC CSG | Madison Energy Holdings LLC | Zumbrota, MN | 2 GWh | Jan 2020 | Dec 2024 | Solar |
| Goodhue Community Solar Two LLC | Madison Energy Holdings LLC | Zumbrota, MN | 2 GWh | Mar 2020 | Dec 2024 | Solar |
| Huneke CSG 2, LLC | Madison Energy Holdings LLC | Zumbrota, MN | 2 GWh | Oct 2020 | Dec 2024 | Solar |
| Huneke CSG 1, LLC | Madison Energy Holdings LLC | Zumbrota, MN | 2 GWh | Sep 2020 | Dec 2024 | Solar |
| Brenda Luhman - CSG | Brenda Luhman Community Solar LLC | Zumbrota, MN | 2 GWh | Jul 2020 | 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 |