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 | Oct 2026 |
| Annual Generation | 677.7 TWh |
| Power Plants | 3,095 |
| Utilities | 1,372 |
| 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 | 37.1% Coal | 26.2% Wind | 15% Nuclear | 13.8% Solar | 6.1% 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 |
|---|---|---|---|---|---|---|
| Ruthton Ridge LLC | CHI Operations Inc | Lake Benton, MN | 5 GWh | Dec 2000 | Dec 2024 | Wind |
| Tsar Nicholas LLC | CHI Operations Inc | Hendricks, MN | 4 GWh | Jan 2001 | Dec 2024 | Wind |
| Sun River LLC | CHI Operations Inc | Hendricks, MN | 4 GWh | Jan 2001 | Dec 2024 | Wind |
| Soliloquoy Ridge LLC | CHI Operations Inc | Lake Benton, MN | 5 GWh | Dec 2000 | Dec 2024 | Wind |
| Julia Hills LLC | CHI Operations Inc | Hendricks, MN | 4 GWh | Jan 2001 | Dec 2024 | Wind |
| Jessica Mills LLC | CHI Operations Inc | Hendricks, MN | 4 GWh | Jan 2001 | Dec 2024 | Wind |
| Jack River LLC | CHI Operations Inc | Hendricks, MN | 4 GWh | Jan 2001 | Dec 2024 | Wind |
| Autumn Hills LLC | CHI Operations Inc | Hendricks, MN | 4 GWh | Jan 2001 | Dec 2024 | Wind |
| Winters Spawn LLC | CHI Operations Inc | Lake Benton, MN | 5 GWh | Dec 2000 | Dec 2024 | Wind |
| Spartan Hills LLC | CHI Operations Inc | Lake Benton, MN | 5 GWh | Dec 2000 | Dec 2024 | Wind |
| Oak Point Cogen | Chevron Oronite Co LLC | Belle Chasse, LA | 98 GWh | Sep 1999 | Dec 2025 | Natural Gas |
| Cherry Valley PV I | Cherry Valley PV I, LLC | Cherry Valley, AR | 129 GWh | - | Jul 2026 | Solar |
| Chalmette Refining LLC | Chalmette Refining LLC | Chalmette, LA | 6 GWh | Feb 1990 | Dec 2025 | Other Fuel |
| CG Windfarm LLC | CG Windfarm LLC | Woodstock, MN | 144 MWh | Nov 2003 | Dec 2024 | Wind |
| CF Industries Yazoo City Complex | CF Industries Nitrogen LLC | Yazoo City, MS | 88 GWh | Jun 1984 | Jul 2026 | Natural Gas |
| Cerro Gordo Wind Farm | Cerro Gordo Wind Farm | Union, IA | 170 GWh | Jul 2020 | Jul 2026 | Wind |
| Cereal City Solar, LLC | Cereal City Solar, LLC | Battle Creek, MI | 204 GWh | Nov 2023 | Jul 2026 | Solar |
| Central Michigan University | Central Michigan University | Mt. Pleasant, MI | 28 GWh | Nov 1987 | Jul 2026 | Natural Gas |
| Summit Lake | Central Iowa Power Cooperative | Creston, IA | 109 GWh | Feb 1951 | Dec 2025 | Natural Gas : 99.8% |
| Eastern Iowa Solar | Central Iowa Power Cooperative | Wilton, IA | 3 GWh | Oct 2016 | Oct 2025 | Solar |
| Trigen St. Louis | Centerstream STL, LLC | St Louis, MO | 7 GWh | May 1999 | Jul 2026 | Natural Gas |
| Centaurus Community Solar | Centaurus Community Solar | Maynard, MN | 3 GWh | Aug 2017 | Dec 2025 | Solar |
| Gas Turbine (IA) | Cedar Falls Utilities | Cedar Falls, IA | 1 GWh | Dec 1967 | Dec 2025 | Natural Gas |
| Streeter Station | Cedar Falls Utilities | Cedar Falls, IA | 14 GWh | Aug 1963 | Dec 2025 | Natural Gas : 96.4% Bituminous Coal : 3.6% |
| Cavalry Solar Hybrid | Cavalry Energy Center LLC | Monon, IN | 367 GWh | Apr 2024 | Jul 2026 | Solar |
| Cattail (CSG) | Cattail Solar, LLC | Fulton, IL | 4 GWh | May 2022 | Dec 2025 | Solar |
| Caterpillar | Caterpillar Inc | Lafayette, IN | 21 GWh | Nov 1983 | Jul 2026 | Natural Gas |
| Cataract (MI) | Cataract Hydro, LLC | Gwinn, MI | 5 GWh | Jan 1988 | Dec 2025 | Water |
| Cashton Greens Wind Farm | Cashton Greens Wind Farm LLC | Cashton, WI | 10 GWh | Apr 2012 | Dec 2025 | Wind |
| Skalbeck Solar | Cascade Solar LLC | Sacred Heart, MN | 2 GWh | Oct 2022 | Dec 2025 | Solar |
| Cascade | Cascade Municipal Utilities - (IA) | Cascade, IA | 31 MWh | Mar 1951 | Dec 2025 | Distillate Fuel Oil |
| Carville Energy LLC | Carville Energy LLC | St Gabriel, LA | 3 TWh | May 2003 | Jul 2026 | Natural Gas |
| Carstensen Wind | Carstensen Wind, LLC (Longroad) | Pipestone, MN | 3 GWh | Nov 2004 | Dec 2025 | Wind |
| Carpenter Wind Farm LLC | Carpenter Wind Farm LLC | Remington, IN | 467 GWh | Nov 2025 | Jul 2026 | Wind |
| Carleton College | Carleton College | Northfield, MN | 8 GWh | Aug 2004 | Dec 2025 | Wind : 99.5% |
| Carina Community Solar | Carina Community Solar | Zumbro Falls, MN | 6 GWh | Jan 2018 | Dec 2025 | Solar |
| Cargill Corn Milling Division | Cargill Inc North America Sweetners | Eddyville, IA | 112 GWh | Nov 1952 | Dec 2025 | Natural Gas |
| Logansport Solar | Cardinal Renewables | Logansport, IN | 20 GWh | Aug 2021 | Dec 2025 | Solar |
| Cardinal Point Wind | Cardinal Point LLC | Sciota, IL | 525 GWh | Feb 2020 | Jul 2026 | Wind |
| Captain Solar, LLC | Captain Solar, LLC | Mt. Morris, MI | 4 GWh | Nov 2020 | Dec 2025 | Solar |
| Capella Community Solar | Capella Community Solar | Pipestone, MN | 9 GWh | Sep 2017 | Dec 2025 | Solar |
| Platt Solar | Cannon River LLC | Hadley, MN | 2 GWh | Dec 2022 | Dec 2025 | Solar |
| Camp Ripley Solar | Camp Riley Solar Facility | Little Falls, MN | 14 GWh | Oct 2016 | Dec 2025 | Solar |
| Caelum Community Solar | Caelum Community Solar | Foley, MN | 3 GWh | Sep 2017 | Dec 2025 | Solar |
| Cadillac Renewable Energy | Cadillac Renewable Energy LLC | Cadillac, MI | 169 GWh | Jul 1993 | Dec 2025 | Wood/Wood Waste Solids |
| West Group Data Center | CADC MSP01, LLC | Eagan, MN | 37 MWh | Apr 2005 | Jul 2026 | Distillate Fuel Oil |
| Byrne Solar, LLC | Byrne Solar, LLC | Lowell, MI | 10 GWh | Sep 2023 | Dec 2025 | Solar |
| Butler Ridge | Butler Ridge Wind Energy Center | Mayville, WI | 137 GWh | Jan 2009 | Jul 2026 | Wind |
| Bullhead Solar, LLC | Bullhead Solar, LLC | Fayette, MI | 4 GWh | Dec 2020 | Dec 2025 | Solar |
| Bulldog | Bulldog Wind Energy, LLC | Orient, IA | 4 GWh | Sep 2010 | Dec 2025 | Wind |
| Buffalo Ridge Wind | Buffalo Ridge Wind, LLC | Lake Benton, MN | 430 GWh | Nov 2022 | Jul 2026 | Wind |
| Buffalo Garden | Buffalo Garden LLC | Waseca, MN | 2 GWh | Feb 2020 | Dec 2025 | Solar |
| Buffalo Center Wind LLC | Buffalo Center Wind LLC | Little Cedar, IA | 4 GWh | Oct 2011 | Dec 2025 | Wind |
| Buckheart Creek Solar I Community Solar | Buckheart Creek Solar 1, LLC | Canton, IL | 37 MWh | Nov 2025 | Dec 2025 | Solar |
| B&K Energy Systems LLC | Brewster | Brewster, MN | 5 GWh | Nov 2003 | Dec 2025 | Wind |
| S&P Windfarm LLC | Brewster | Brewster, MN | 5 GWh | Nov 2003 | Dec 2025 | Wind |
| DL Windy Acres LLC | Brewster | Brewster, MN | 5 GWh | Nov 2003 | Dec 2025 | Wind |
| Jack Fusco Energy Center | Brazos Valley Energy | Thompsons, TX | 4 TWh | Apr 2003 | Jul 2026 | Natural Gas |
| Branch Solar Project | Branch Solar, LLC | Coldwater, MI | 83 GWh | - | Jul 2026 | Solar |
| Brainerd Public Utilities | Brainerd Public Utilities | Brainerd, MN | 13 GWh | Dec 1916 | Dec 2025 | Water |
| Whiting Refinery | BP PLC | Whiting, IN | 328 GWh | Dec 1947 | Dec 2025 | Other Gas : 87.1% Natural Gas : 12.9% |
| Whiting Clean Energy | BP Alternative Energy | Whiting, IN | 3 TWh | Mar 2002 | Jul 2026 | Natural Gas |
| Bos Dairy, LLC | Bos Dairy, LLC | Fair Oaks, IN | 7 GWh | Dec 2004 | Dec 2025 | Natural Gas |
| Indianapolis Motor Speedway Solar PV | Boralex US Operations LLC | Indianapolis, IN | 13 GWh | May 2014 | Dec 2025 | Solar |
| International Falls Power | Boise White Paper LLC | International Falls, MN | 57 GWh | Dec 1923 | Jul 2026 | Water |
| Boise Cascade International Falls | Boise White Paper LLC | International Falls, MN | 338 GWh | Dec 1926 | Jul 2026 | Black Liquor : 63.6% Natural Gas : 22.5% Wood/Wood Waste Solids : 12.6% Sludge Waste : 1.3% |
| Boeve Windfarm LLC | Boeve Windfarm LLC | Woodstock, MN | 4 GWh | Jul 2003 | Dec 2025 | Wind |
| Muscatine Plant #1 | Board of Water Electric & Communications | Muscatine, IA | 711 GWh | Mar 1958 | Jul 2026 | Subbituminous Coal : 99.8% |
| Blue Water Renewables Inc | Blue Water Renewables Inc | Kimball Township, MI | 20 GWh | Nov 2011 | Dec 2025 | Landfill Gas |
| Blue Goose Solar CSG | Blue Goose Solar | Morrison, IL | 4 GWh | Nov 2020 | Dec 2025 | Solar |
| Blue Elk VII Solar, LLC | Blue Elk VII Solar, LLC | Flint, MI | 21 GWh | Oct 2023 | Dec 2025 | Solar |
| Blue Elk IV Solar, LLC | Blue Elk IV Solar, LLC | Adrian, MI | 37 GWh | Nov 2023 | Dec 2025 | Solar |
| Blue Elk III Solar, LLC | Blue Elk III Solar, LLC | Eaton Rapids, MI | 37 GWh | Nov 2023 | Dec 2025 | Solar |
| Blue Elk II Solar, LLC | Blue Elk II Solar, LLC | Mason, MI | 35 GWh | Apr 2024 | Dec 2025 | Solar |
| Blue Elk I Solar, LLC | Blue Elk I Solar, LLC | Adrian, MI | 1 GWh | Oct 2025 | Dec 2025 | Solar |
| Blue Earth | Blue Earth Light & Water | Blue Earth, MN | 81 MWh | Oct 1960 | Dec 2025 | Distillate Fuel Oil |
| Blue Bird Solar, LLC | Blue Bird Solar, LLC | Warrenton, MO | 327 GWh | Nov 2024 | Jul 2026 | Solar |
| Black Oak Wind Farm | Black Oak Wind, LLC | Sauk Centre, MN | 309 GWh | Nov 2016 | Jul 2026 | Wind |
| Bisson Windfarm LLC | Bisson Windfarm LLC | Pipestone, MN | 288 MWh | Sep 2003 | Dec 2024 | Wind |
| Bishop Hill II Wind Farm | Bishop Hill Energy II, LLC | Cambridge, IL | 334 GWh | Sep 2012 | Dec 2025 | Wind |
| Jasper County Solar Project | Biscayne Falls SPV, LLC | Heber, IN | 52 GWh | Nov 2025 | Jul 2026 | Solar |
| Birch | Birch Power LLC | Clearfield, IA | 7 GWh | Jan 2017 | Dec 2025 | Wind |
| Richland Township Solar, LLC | Birch Creek Power, LLC | Washburn, IL | 80 GWh | Dec 2024 | Jul 2026 | Solar |
| Altona Solar, LLC | Birch Creek Power, LLC | Centralia, MO | 67 GWh | Jul 2024 | Jul 2026 | Solar |
| Envoy Solar, LLC | Birch Creek Power, LLC | Mexico, MO | 110 GWh | Jan 2025 | Jul 2026 | Solar |
| Richland Township Solar II, LLC | Birch Creek Power, LLC | Washburn, IL | 5 GWh | Aug 2025 | Dec 2025 | Solar |
| Earp Solar, LLC | Birch Creek Power, LLC | Monmouth, IL | 78 GWh | Mar 2024 | Jul 2026 | Solar |
| Kimmel Road Solar, LLC | Birch Creek Power, LLC | Du Quoin, IL | 114 GWh | Sep 2024 | Jul 2026 | Solar |
| Salt Creek Township Solar, LLC | Birch Creek Power, LLC | Mason City, IL | 117 GWh | Dec 2024 | Jul 2026 | Solar |
| Adelite Solar, LLC | Birch Creek Development | Hamilton, MO | 20 GWh | - | Jul 2026 | Solar |
| Archer Daniels Midland Peoria | BioUrja Renewables LLC | Peoria, IL | 73 GWh | Dec 1987 | Dec 2025 | Natural Gas |
| BioTown Ag | Bio Town Biogas, LLC | Reynolds, IN | 37 GWh | May 2011 | Dec 2025 | Other Biomass Gas |
| Billerud Quinnesec Mill | Billerud Quinnesec Mill | Norway, MI | 318 GWh | Sep 1985 | Dec 2025 | Black Liquor : 64.2% Wood/Wood Waste Solids : 32.7% Natural Gas : 3.1% |
| Escanaba Mill | Billerud Escanaba LLC | Escanaba, MI | 455 GWh | Dec 1968 | Jul 2026 | Black Liquor : 46.5% Natural Gas : 31.7% Wood/Wood Waste Solids : 21.0% Residual Fuel Oil : 0.7% |
| R D Green | Big Rivers Electric Corp | Robards, KY | 491 GWh | Nov 1979 | Jul 2026 | Natural Gas |
| D B Wilson | Big Rivers Electric Corp | Centertown, KY | 1 TWh | Aug 1984 | Jul 2026 | Bituminous Coal : 98.9% Distillate Fuel Oil : 1.1% |
| Big River Solar | Big River Solar, LLC | Norris City, IL | 316 GWh | Jul 2022 | Jul 2026 | Solar |
| Big Lake Holdco Solar CSG | Big Lake Holdco LLC | Big Lake, MN | 12 GWh | Aug 2017 | Dec 2025 | Solar |
| Big Cypress Solar, LLC | Big Cypress Solar, LLC | Crawfordsville, AR | 410 GWh | Nov 2023 | Jul 2026 | Solar |
| Big Blue | Big Blue Wind Farm LLC (MN) | Blue Earth, MN | 71 GWh | Nov 2012 | Dec 2025 | Wind |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #61 | Alcoa Power Generating, Inc. - Yadkin Division | 433.0 GWh | 4 |
| #26 | Associated Electric Cooperative, Inc. | 22.9 TWh | 47 |
| #13 | Duke Energy Carolinas | 113.4 TWh | 578 |
| #50 | Duke Energy Progress West | 4.6 TWh | 15 |
| #23 | Louisville Gas and Electric Company and Kentucky Utilities Company | 34.2 TWh | 25 |
| #1 | PJM Interconnection, LLC | 890.9 TWh | 2,806 |
| #6 | Southern Company Services, Inc. - Trans | 259.3 TWh | 423 |
| #5 | Southwest Power Pool | 314.5 TWh | 876 |
| #53 | Southwestern Power Administration | 3.5 TWh | 37 |
| #9 | Tennessee Valley Authority | 166.2 TWh | 209 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #1 | PJM Interconnection, LLC | 890.9 TWh | 2,806 |
| #2 | Midcontinent Independent System Operator, Inc. | 677.7 TWh | 3,095 |
| #3 | Electric Reliability Council of Texas, Inc. | 506.3 TWh | 1,487 |
| #5 | Southwest Power Pool | 314.5 TWh | 876 |
| #6 | Southern Company Services, Inc. - Trans | 259.3 TWh | 423 |
| #7 | California Independent System Operator | 168.7 TWh | 2,170 |
| #9 | Tennessee Valley Authority | 166.2 TWh | 209 |
| #10 | Florida Power & Light Co. | 153.0 TWh | 188 |
| #12 | New York Independent System Operator | 134.1 TWh | 1,334 |
| #13 | Duke Energy Carolinas | 113.4 TWh | 578 |