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 | Mar 2026 |
| Annual Generation | 659.4 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 | 36.2% Coal | 28.4% Wind | 14.7% Nuclear | 13.9% Solar | 4.8% Water | 1.5% 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 |
|---|---|---|---|---|---|---|
| Marshalltown Generating Station | Interstate Power and Light Co | Marshalltown, IA | 3 TWh | Mar 2017 | Dec 2025 | Natural Gas : 99.9% |
| Demille Solar Farm | DTE Electric Company | Lapeer, MI | 36 GWh | Apr 2017 | Dec 2025 | Solar |
| Turrill Solar Farm | DTE Electric Company | Lapeer, MI | 25 GWh | Apr 2017 | Dec 2024 | Solar |
| Warren DPC Solar | SoCore Energy LLC | Roberts, WI | 4 GWh | Apr 2017 | Dec 2025 | Solar |
| Liberty Pole DPC Solar | SoCore Energy LLC | Viroqua, WI | 2 GWh | Apr 2017 | Dec 2025 | Solar |
| Flambeau Solar Partners | Flambeau Solar Partners, LLC | Phillips, WI | 4 GWh | Apr 2017 | Dec 2024 | Solar |
| Lafayette DPC Solar | SoCore Energy LLC | Chippewa Falls, WI | 2 GWh | May 2017 | Dec 2024 | Solar |
| Conrath DPC Solar | SoCore Energy LLC | Conrath, WI | 1 GWh | May 2017 | Dec 2024 | Solar |
| Whistling Winds DPC Solar | SoCore Energy LLC | New Lisbon, WI | 2 GWh | May 2017 | Dec 2025 | Solar |
| Mapleton Community Solar | Mapleton Community Solar | Mapleton, MN | 5 GWh | May 2017 | Dec 2024 | Solar |
| Lemond Solar | Adapture Renewables, Inc. | Owatonna, MN | 9 GWh | May 2017 | Dec 2024 | Solar |
| POET Biorefining - North Manchester, LLC | POET Biorefining - North Manchester, LLC | North Manchester, IN | 17 GWh | May 2017 | Dec 2024 | Natural Gas |
| Holland Energy Park | City of Holland | Holland, MI | 893 GWh | May 2017 | Dec 2024 | Natural Gas |
| Smithland Hydroelectric Plant | American Mun Power-Ohio, Inc | Smithland, KY | 336 GWh | Jun 2017 | Dec 2025 | Water |
| O'Shea Solar Farm | DTE Electric Company | Detroit, MI | 3 GWh | Jun 2017 | Dec 2024 | Solar |
| Webster Holdco Solar CSG | Webster Holdco LLC | Webster, MN | 7 GWh | Jun 2017 | Dec 2024 | Solar |
| Dodge Holdco Solar CSG | Dodge Holdco LLC | Kasson, MN | 8 GWh | Jun 2017 | Dec 2024 | Solar |
| Hwy 14 Holdco Solar CSG | Hwy 14 Holdco, LLC | Byron, MN | 8 GWh | Jun 2017 | Dec 2024 | Solar |
| Forest Lake Solar CSG | Forest Lake Holdco LLC | Scandia, MN | 7 GWh | Jun 2017 | Dec 2024 | Solar |
| Marquette Energy Center | City of Marquette - (MI) | Marquette, MI | 162 GWh | Jul 2017 | Dec 2024 | Natural Gas : 99.2% Distillate Fuel Oil : 0.8% |
| Spica Community Solar | Spica Community Solar | Lake Lillian, MN | 3 GWh | Jul 2017 | Dec 2024 | Solar |
| Pegasus Community Solar | Pegasus Community Solar | Brooten, MN | 3 GWh | Jul 2017 | Dec 2024 | Solar |
| Equuleus Community Solar Gardens | MN8 Energy LLC | Rosemount, MN | 9 GWh | Jul 2017 | Dec 2024 | Solar |
| Spring Mill Solar RES | Hoosier Energy R E C, Inc | Mitchell, IN | 2 GWh | Aug 2017 | Dec 2024 | Solar |
| Decatur Co. Solar RES (IN) | Hoosier Energy R E C, Inc | Greensburg, IN | 1 GWh | Aug 2017 | Dec 2024 | Solar |
| Jackson Co. Solar RES | Hoosier Energy R E C, Inc | Columbus, IN | 1 GWh | Aug 2017 | Dec 2024 | Solar |
| Big Lake Holdco Solar CSG | Big Lake Holdco LLC | Big Lake, MN | 8 GWh | Aug 2017 | Dec 2024 | Solar |
| Antlia Community Solar | Antlia Community Solar | Edgerton, MN | 3 GWh | Aug 2017 | Dec 2024 | Solar |
| Centaurus Community Solar | Centaurus Community Solar | Maynard, MN | 3 GWh | Aug 2017 | Dec 2024 | Solar |
| Gemini Community Solar | Gemini Community Solar | Scandia, MN | 5 GWh | Aug 2017 | Dec 2024 | Solar |
| West Dubuque Solar | Interstate Power and Light Co | Dubuque, IA | 6 GWh | Aug 2017 | Dec 2024 | Solar |
| Quilt Block Wind Farm LLC | Quilt Block Wind Farm LLC | Darlington, WI | 381 GWh | Aug 2017 | Dec 2025 | Wind |
| Aries Community Solar | Aries Community Solar | Claremont, MN | 7 GWh | Sep 2017 | Dec 2024 | Solar |
| Vega Community Solar | Vega Community Solar | Glenwood, MN | 8 GWh | Sep 2017 | Dec 2024 | Solar |
| Capella Community Solar | Capella Community Solar | Pipestone, MN | 9 GWh | Sep 2017 | Dec 2024 | Solar |
| Caelum Community Solar | Caelum Community Solar | Foley, MN | 3 GWh | Sep 2017 | Dec 2024 | Solar |
| Andromeda Community Solar | Andromeda Community Solar | Lester Prairie, MN | 8 GWh | Sep 2017 | Dec 2024 | Solar |
| TCLP Solar Phase 1 | Heritage Sustainable Energy. LLC | Traverse City, MI | 1 GWh | Sep 2017 | Dec 2024 | Solar |
| GRE Marshan Solar | SoCore Energy LLC | Hastings, MN | 2 GWh | Oct 2017 | Dec 2024 | Solar |
| Strawberry Point DPC Solar | SoCore Energy LLC | Strawberry Point, IA | 2 GWh | Oct 2017 | Dec 2024 | Solar |
| Sand Lake DPC Solar | SoCore Energy LLC | Centuria, WI | 2 GWh | Oct 2017 | Dec 2024 | Solar |
| Koppelman Sun CSG | National Grid Renewables | Eagle Lake, MN | 8 GWh | Oct 2017 | Dec 2024 | Solar |
| Rengstorf Solar CSG | National Grid Renewables | Coutland, MN | 9 GWh | Oct 2017 | Dec 2024 | Solar |
| Waterford Holdco CSG | Waterford Holdco LLC | Waterford, MN | 4 GWh | Oct 2017 | Dec 2024 | Solar |
| B.R. Corcoran CSG | Minnesota Solar CSG 19, LLC | Corcoran, MN | 8 GWh | Oct 2017 | Dec 2024 | Solar |
| B.R. Sartell CSG | Minnesota Solar CSG 21, LLC | Sartell, MN | 4 GWh | Oct 2017 | Dec 2024 | Solar |
| B.R. Sauk Rapids CSG | Minnesota Solar CSG 9, LLC | Sauk Rapids, MN | 8 GWh | Oct 2017 | Dec 2024 | Solar |
| Montgomery Winsted CSG | Minnesota Solar CSG 4, LLC | Winsted, MN | 5 GWh | Oct 2017 | Dec 2024 | Solar |
| Apple Blossom Wind Farm | Apple Blossom Wind, LLC | Pigeon, MI | 256 GWh | Oct 2017 | Dec 2025 | Wind |
| Univ Minnesota CHP Plant | University of Minnesota Central Utilities | Minneapolis, MN | 166 GWh | Oct 2017 | Dec 2024 | Natural Gas : 99.9% |
| Sumrall II Solar Farm | Onward Energy | Sumrall, MS | 110 GWh | Nov 2017 | Dec 2025 | Solar |
| Spartan PV 1, LLC | NJR Clean Energy Ventures Corporation | East Lansing, MI | 12 GWh | Nov 2017 | Dec 2024 | Solar |
| Michael Solar | SoCore Energy LLC | Freeport, MN | 7 GWh | Nov 2017 | Dec 2024 | Solar |
| Kramer Solar CSG | National Grid Renewables | Hector, MN | 6 GWh | Nov 2017 | Dec 2024 | Solar |
| Beaver Creek Wind | MidAmerican Energy Co | Ogden, IA | 1 TWh | Nov 2017 | Dec 2025 | Wind |
| CF Novel Solar CSG Gardens Two, LLC | Cypress Creek Renewables | Minnesota Lake, MN | 3 GWh | Nov 2017 | Dec 2024 | Solar |
| CF Novel Solar CSG Gardens Eleven, LLC | Cypress Creek Renewables | Mankato, MN | 5 GWh | Nov 2017 | Dec 2024 | Solar |
| Crater Community Solar | Crater Community Solar | Granite Falls, MN | 5 GWh | Nov 2017 | Dec 2024 | Solar |
| Red Pine Wind Project | EDF Renewable Asset Holdings, Inc. | Ivanhoe, MN | 774 GWh | Nov 2017 | Dec 2025 | Wind |
| DodgeSun CSG | National Grid Renewables | Kasson, MN | 9 GWh | Nov 2017 | Dec 2024 | Solar |
| Richmond CSG | SoCore Energy LLC | Richmond, MN | 9 GWh | Nov 2017 | Dec 2024 | Solar |
| Northfield Holdco CSG | Northfield Holdco LLC | Northfield, MN | 8 GWh | Nov 2017 | Dec 2024 | Solar |
| PopeSun CSG, LLC | Cypress Creek Renewables | Starbuck, MN | 8 GWh | Nov 2017 | Dec 2024 | Solar |
| CF Novel Solar CSG Gardens Five, LLC | Cypress Creek Renewables | Waseca, MN | 6 GWh | Nov 2017 | Dec 2024 | Solar |
| CGSun, LLC Community Solar | Cypress Creek Renewables | Cottage Grove, MN | 7 GWh | Nov 2017 | Dec 2024 | Solar |
| CF Novel Solar CSG Gardens Seven, LLC | Cypress Creek Renewables | Clear Lake, MN | 5 GWh | Nov 2017 | Dec 2024 | Solar |
| MontSun Community Solar | Generate Capital | Montrose, MN | 9 GWh | Nov 2017 | Dec 2024 | Solar |
| WaveSun Community Solar | Generate Capital | Waverly, MN | 8 GWh | Nov 2017 | Dec 2024 | Solar |
| Tatanka Wi | HQC Tatanka Wi Solar Power Generation LLC | Buffalo, MN | 11 GWh | Nov 2017 | Dec 2024 | Solar |
| Prairie Wind Farm | MidAmerican Energy Co | Montezuma, IA | 592 GWh | Dec 2017 | Dec 2025 | Wind |
| New Auburn DPC Solar | SoCore Energy LLC | New Auburn, WI | 4 GWh | Dec 2017 | Dec 2025 | Solar |
| Nesvold Watertown Solar | SoCore Energy LLC | Watertown, MN | 9 GWh | Dec 2017 | Dec 2024 | Solar |
| Lahr 1, LLC | SoCore Energy LLC | Wakefield Township, MN | 9 GWh | Dec 2017 | Dec 2024 | Solar |
| Stuttgart Solar | Stuttgart Solar, LLC | Stuttgart, AR | 153 GWh | Dec 2017 | Dec 2025 | Solar |
| Johnson Solar CSG | National Grid Renewables | Edgerton, MN | 9 GWh | Dec 2017 | Dec 2024 | Solar |
| Gopher CSG | SoCore Energy LLC | Taylor Falls, MN | 8 GWh | Dec 2017 | Dec 2024 | Solar |
| Taylors Falls CSG | SoCore Energy LLC | Taylor Falls, MN | 8 GWh | Dec 2017 | Dec 2024 | Solar |
| LeSun CSG, LLC | Cypress Creek Renewables | Waterville, MN | 8 GWh | Dec 2017 | Dec 2024 | Solar |
| WrightSun CSG, LLC | Cypress Creek Renewables | St. Michael, MN | 6 GWh | Dec 2017 | Dec 2024 | Solar |
| Scandia CSG | DG Minnesota CSG, LLC | Scandia, MN | 9 GWh | Dec 2017 | Dec 2024 | Solar |
| MP CSG 1 LLC | United States Solar Corporation | Wrenshall, MN | 2 GWh | Dec 2017 | Dec 2024 | Solar |
| WasecaSun | National Grid Renewables | Waseca, MN | 9 GWh | Jan 2018 | Dec 2024 | Solar |
| Carina Community Solar | Carina Community Solar | Zumbro Falls, MN | 6 GWh | Jan 2018 | Dec 2024 | Solar |
| Lyra Community Solar | Lyra Community Solar | Waterville, MN | 5 GWh | Jan 2018 | Dec 2024 | Solar |
| DG AMP Solar Coldwater | DG AMP Solar, LLC | Coldwater, MI | 2 GWh | Jan 2018 | Dec 2024 | Solar |
| Porter Way Community Solar Garden | AEP Onsite Partners, LLC | Waconia, MN | 5 GWh | Jan 2018 | Dec 2025 | Solar |
| Veseli Community Solar Garden | Veseli Solar I LLC | Webster, MN | 2 GWh | Jan 2018 | Dec 2024 | Solar |
| Lake Waconia Community Solar Garden | Lake Waconia Solar LLC | Waconia, MN | 2 GWh | Jan 2018 | Dec 2024 | Solar |
| Lake Waconia IV Community Solar Garden | Lake Waconia Solar IV LLC | Waconia, MN | 2 GWh | Jan 2018 | Dec 2024 | Solar |
| Berryville School District Solar | Today's Power, Inc. | Berryville, AR | 2 GWh | Jan 2018 | Dec 2024 | Solar |
| Owatonna Energy Station | Southern Minnesota Mun P Agny | Owatonna, MN | 13 GWh | Feb 2018 | Dec 2024 | Natural Gas |
| Westside Energy Station | Rochester Public Utilities | Rochester, MN | 37 GWh | Feb 2018 | Dec 2024 | Natural Gas |
| Armstrong Solar | ETCAP NES CS MN 06 LLC | Glenwood, MN | 5 GWh | Feb 2018 | Dec 2024 | Solar |
| Taurus Community Solar | Taurus Community Solar | Montevideo, MN | 6 GWh | Feb 2018 | Dec 2024 | Solar |
| Argo Navis Community Solar | Argo Navis Community Solar | Scandia, MN | 5 GWh | Feb 2018 | Dec 2024 | Solar |
| Delphinus Community Solar | Delphinus Community Solar | Sauk Rapids, MN | 3 GWh | Feb 2018 | Dec 2024 | Solar |
| Cottage Grove CSG, LLC | Ecoplexus, Inc | Cottage Grove, MN | 8 GWh | Feb 2018 | Dec 2024 | Solar |
| Fox CSG, LLC | Ecoplexus, Inc | Taylors Falls, MN | 7 GWh | Feb 2018 | Dec 2024 | Solar |
| SunE Stolee CSG, LLC | Ecoplexus, Inc | Kenyon, MN | 5 GWh | Feb 2018 | Dec 2024 | Solar |
| Wyoming 2 CSG, LLC | Ecoplexus, Inc | Wyoming, MN | 8 GWh | Feb 2018 | Dec 2024 | Solar |
Surrounding Balancing Authorities
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #60 | Alcoa Power Generating, Inc. - Yadkin Division | 610.0 GWh | 4 |
| #27 | Associated Electric Cooperative, Inc. | 24.1 TWh | 47 |
| #13 | Duke Energy Carolinas | 112.4 TWh | 565 |
| #52 | Duke Energy Progress West | 4.3 TWh | 10 |
| #23 | Louisville Gas and Electric Company and Kentucky Utilities Company | 34.3 TWh | 25 |
| #1 | PJM Interconnection, LLC | 879.0 TWh | 2,465 |
| #6 | Southern Company Services, Inc. - Trans | 250.9 TWh | 417 |
| #5 | Southwest Power Pool | 300.1 TWh | 835 |
| #51 | Southwestern Power Administration | 4.8 TWh | 34 |
| #9 | Tennessee Valley Authority | 162.4 TWh | 204 |
Balancing Authorities with Similar Net Generation
| Rank | Balancing Authority | Annual Net Generation | # Power Plants |
|---|---|---|---|
| #1 | PJM Interconnection, LLC | 879.0 TWh | 2,465 |
| #2 | Midcontinent Independent System Operator, Inc. | 659.4 TWh | 2,831 |
| #3 | Electric Reliability Council of Texas, Inc. | 484.9 TWh | 1,313 |
| #5 | Southwest Power Pool | 300.1 TWh | 835 |
| #6 | Southern Company Services, Inc. - Trans | 250.9 TWh | 417 |
| #7 | California Independent System Operator | 179.9 TWh | 2,075 |
| #9 | Tennessee Valley Authority | 162.4 TWh | 204 |
| #10 | Florida Power & Light Co. | 150.5 TWh | 187 |
| #12 | New York Independent System Operator | 134.0 TWh | 1,211 |
| #13 | Duke Energy Carolinas | 112.4 TWh | 565 |