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%

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Daily Net Generation for Midcontinent Independent System Operator, Inc. for the past 3 Years

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Plant Name	Utility	Location	Annual Generation	Plant Date	Last Update	Fuel Types
Pegasus Wind	Pegasus Wind, LLC	Reese, MI	376 GWh	Nov 2019	Jul 2026	Wind
Tuscola Bay Wind	Tuscola Bay Wind LLC	Reese, MI	355 GWh	Nov 2012	Jul 2026	Wind
Tuscola Wind II LLC	Tuscola Wind II LLC	Reese, MI	293 GWh	Oct 2013	Jul 2026	Wind
Meadow Lake Wind Farm VI LLC	Meadow Lake Wind Farm VI LLC	Remington, IN	663 GWh	Oct 2018	Jul 2026	Wind
Carpenter Wind Farm LLC	Carpenter Wind Farm LLC	Remington, IN	467 GWh	Nov 2025	Jul 2026	Wind
Plymouth Wind	MidAmerican Energy Co	Remsen, IA	759 GWh	Dec 2021	Jul 2026	Wind
IMPA Rensselaer Solar Park	Indiana Municipal Power Agency	Rensselaer, IN	1 GWh	Apr 2014	Dec 2025	Solar
Rensselaer Solar Site 2	Indiana Municipal Power Agency	Rensselaer, IN	7 GWh	Nov 2018	Dec 2025	Solar
Hidden View Dairy, LLC	Hidden View Dairy, LLC	Rensselaer, IN	6 GWh	Jan 2007	Dec 2025	Natural Gas
Krause CSG	Standard Solar	Renville, MN	2 GWh	Apr 2018	Dec 2025	Solar
Kerria Solar, LLC	Geronimo Power	Renville, MN	2 GWh	Sep 2020	Dec 2025	Solar
DSI Don Solar	DSI Don Solar LLC	Renville, MN	2 GWh	Jun 2024	Dec 2025	Solar
Allie L.L.C. (CSG)	Allie L.L.C.	Renville, MN	2 GWh	Jul 2022	Dec 2025	Solar
Novel Schroeder Solar LLC CSG	REA Investments, LLC	Renville, MN	2 GWh	Dec 2022	Dec 2025	Solar
Southern Minnesota Beet Sugar	Southern Minnesota Beet Sugar	Renville, MN	28 GWh	Aug 1976	May 2026	Subbituminous Coal : 70.1% Natural Gas : 29.2% Residual Fuel Oil : 0.6%
BioTown Ag	Bio Town Biogas, LLC	Reynolds, IN	37 GWh	May 2011	Dec 2025	Other Biomass Gas
Indiana Crossroads Solar Park	Meadow Lake Solar Park	Reynolds, IN	380 GWh	May 2023	Jul 2026	Solar
Cedar Hills Wind Farm	Montana-Dakota Utilities Co	Rhame, ND	48 GWh	May 2010	Dec 2025	Wind
Rhinelander Mill	Ahlstrom-Munksjo	Rhinelander, WI	8 GWh	Nov 1917	Jul 2026	Water
Hat Rapids	Wisconsin Public Service Corp	Rhinelander, WI	7 GWh	May 1923	Dec 2025	Water
Hodag Solar	Wisconsin Public Service Corp	Rhinelander, WI	13 GWh	Dec 2021	Dec 2025	Solar
Rice Lake Solar Array	Onsite Partners, LLC	Rice Lake, WI	7 GWh	May 2019	Dec 2025	Solar
Rice Lake II	Onsite Partners, LLC	Rice Lake, WI	5 GWh	Aug 2024	Dec 2025	Solar
Douglas (IA)	OneEnergy, Inc.	Riceville, IA	804 MWh	Aug 2025	Dec 2025	Solar
Crane Creek Wind Energy Center	Wisconsin Public Service Corp	Riceville, IA	284 GWh	Nov 2009	Dec 2025	Wind
Richland Center Renewable Energy LLC	Richland Center Renewable Energy LLC	Richland Center, WI	7 GWh	Feb 2013	Dec 2025	Other Biomass Gas
Lineage MS	Madison Energy Holdings LLC	Richland, MS	971 MWh	Nov 2021	Sep 2025	Solar
Lewis & Clark	Montana-Dakota Utilities Co	Richland, MT	12 GWh	Sep 1958	Jul 2026	Natural Gas
IMPA Richmond 8 Solar Park	Indiana Municipal Power Agency	Richmond, IN	10 GWh	Nov 2024	Dec 2025	Solar
Richmond CSG	SoCore Energy LLC	Richmond, MN	9 GWh	Nov 2017	Dec 2025	Solar
Ridge Farm	Ridge Farm Solar 1 LLC	Ridge Farm, IL	4 GWh	Nov 2020	Dec 2025	Solar
DPC Madison	SoCore Energy LLC	Ridgeway, IA	3 GWh	Jan 2019	Dec 2025	Solar
Fiber Recovery, Inc.	Fiber Recovery, Inc	Ringle, WI	7 GWh	Dec 2007	Dec 2024	Landfill Gas
Riverview Energy Systems	Riverview Energy Systems	Riverview, MI	36 MWh	Dec 1987	Dec 2025	Landfill Gas
Surbrook Solar, LLC	Surbrook Solar, LLC	Rives Junction, MI	20 GWh	Aug 2024	Dec 2025	Solar
Sebree Solar I	Sebree Solar, LLC	Robards, KY	449 GWh	Aug 2025	Jul 2026	Solar
Unbridled Solar	Geronimo Power	Robards, KY	317 GWh	Feb 2025	Jul 2026	Solar
R D Green	Big Rivers Electric Corp	Robards, KY	491 GWh	Nov 1979	Jul 2026	Natural Gas
Warren DPC Solar	SoCore Energy LLC	Roberts, WI	4 GWh	Apr 2017	Jul 2026	Solar
Marathon Petroleum - Robinson Refinery	Onyx Asset Services Group	Robinson, IL	5 GWh	May 2025	Dec 2025	Solar
Westside Solar	Westside Solar, LLC (Ecofin)	Rochester, MN	19 GWh	Nov 2022	Dec 2025	Solar
Water Reclamation Plant	City of Rochester - (MN)	Rochester, MN	4 GWh	Feb 2003	Dec 2025	Other Biomass Gas : 99.8%
4710 Hosting	Epic Hosting, LLC	Rochester, MN	63 MWh	May 2012	Dec 2025	Distillate Fuel Oil
Westside Energy Station	Rochester Public Utilities	Rochester, MN	57 GWh	Feb 2018	Dec 2025	Natural Gas
Saint Marys Hospital Power Plant	St Mary's Hospital	Rochester, MN	56 GWh	Dec 1970	Jul 2026	Natural Gas : 99.0% Distillate Fuel Oil : 1.0%
Franklin Heating Station	Franklin Heating Station	Rochester, MN	63 GWh	Dec 1950	Jul 2026	Natural Gas : 81.5% Purchased Steam : 17.2% Distillate Fuel Oil : 1.3%
IBM West	Rochester Public Utilities	Rochester, MN	24 MWh	Sep 2005	Dec 2025	Distillate Fuel Oil
Olmsted Waste Energy	Olmsted County Public Works - (MN)	Rochester, MN	47 GWh	Mar 1987	Dec 2025	Non-biogenic Municipal Solid Waste : 54.7% Biogenic Municipal Solid Waste : 44.8% Natural Gas : 0.5%
Cascade Creek	Rochester Public Utilities	Rochester, MN	33 GWh	May 1975	Dec 2025	Natural Gas : 98.4% Distillate Fuel Oil : 1.6%
Industrial Park	City of Rock Falls - (IL)	Rock Falls, IL	838 MWh	Jun 2001	Dec 2025	Distillate Fuel Oil
Upper Sterling	City of Rock Falls - (IL)	Rock Falls, IL	5 GWh	May 1988	May 2025	Water
Avenue A Generator Sets	City of Rock Falls - (IL)	Rock Falls, IL	224 MWh	Aug 2000	Dec 2025	Distillate Fuel Oil
Renegade Solar Energy LLC	Upper Michigan Energy Resources Company	Rock, MI	88 GWh	-	Jul 2026	Solar
Rockford Plant	SoCore Energy LLC	Rockford, IL	3 GWh	Nov 2024	Dec 2025	Solar
Rockford CS 1	Rockford CS 1, LLC	Rockford, IL	4 GWh	Mar 2021	Dec 2025	Solar
Rockford CS 2	Rockford CS 2, LLC	Rockford, IL	4 GWh	Mar 2021	Dec 2025	Solar
Rockford Solar	Rockford Solar, LLC	Rockford, IL	4 GWh	Nov 2021	Dec 2025	Solar
Rockford	City of Rockford- (IA)	Rockford, IA	6 MWh	Jul 1951	Dec 2025	Distillate Fuel Oil
Victoria Dam	Upper Peninsula Power Company	Rockland, MI	54 GWh	Dec 1930	Dec 2025	Water
Rockton	Eagle Creek Renewable Energy, LLC	Rockton, IL	6 GWh	Dec 1928	Dec 2025	Water
Border Winds Wind Farm	Northern States Power Co - Minnesota	Rolla, ND	513 GWh	Jul 2015	Sep 2025	Wind
Rollingstone Holdco CSG	Rollingstone Holdco LLC	Rollingstone, MN	8 GWh	Jul 2019	Dec 2025	Solar
Novel Herber Solar CSG	REA Investments, LLC	Rollingstone, MN	2 GWh	Jan 2020	Dec 2025	Solar
Isabella Wind Park	DTE Electric Company	Rosebush, MI	816 GWh	May 2021	Jul 2026	Wind
Mission Road Solar Park	DTE Electric Company	Rosebush, MI	137 GWh	-	Jul 2026	Solar
Amite Solar, LLC	Amite Solar, LLC	Roseland, LA	208 GWh	Feb 2025	Jul 2026	Solar
Flint Hills Resources Pine Bend, LLC	Flint Hills Resources Pine Bend, LLC	Rosemount, MN	362 GWh	Apr 2019	Dec 2025	Natural Gas : 78.8% Solar : 21.2%
Eolos Wind Energy Research Field Station	Regents of the University of Minnesota	Rosemount, MN	2 GWh	Sep 2011	Dec 2025	Wind
Rosemount Community Solar	Rosemount Community Solar	Rosemount, MN	8 GWh	Nov 2016	Dec 2025	Solar
Equuleus Community Solar Gardens	MN8 Energy LLC	Rosemount, MN	8 GWh	Jul 2017	Dec 2025	Solar
Hoopeston Wind LLC	Hoopeston Wind LLC	Rossville, IL	338 GWh	Feb 2015	Dec 2025	Wind
Lake Region Community Hybrid, LLC	Lake Region Community Hybrid, LLC	Rothsay, MN	8 GWh	Nov 2018	Dec 2025	Wind : 95.0% Solar : 5.0%
Rothschild Biomass Cogen Facility	Wisconsin Electric Power Co	Rothschild, WI	166 GWh	Oct 2013	Dec 2025	Wood/Wood Waste Solids : 94.7% Natural Gas : 5.3%
Weston	Wisconsin Public Service Corp	Rothschild, WI	4 TWh	Nov 1954	Jul 2026	Subbituminous Coal : 99.3% Natural Gas : 0.7%
Domtar Paper Company Rothschild	Domtar Paper Company Rothschild	Rothschild, WI	524 MWh	Dec 1909	Dec 2025	Water
South Fork Wind Farm	South Fork Wind, LLC	Round Lake, MN	54 GWh	Nov 2016	Dec 2025	Wind
Blakely Mountain	USCE -Vickburg District	Royal, AR	216 GWh	Aug 1955	Dec 2025	Water
Blanchard	ALLETE, Inc.	Royalton, MN	72 GWh	Jan 1925	Dec 2025	Water
Sunflower County	Sunflower County Solar Project, LLC	Ruleville, MS	148 GWh	Aug 2022	Jul 2026	Solar
Rushford Village	Altus Power America Management, LLC	Rushford Village, MN	2 GWh	Oct 2021	Dec 2025	Solar
G Flow Wind LLC	Midwest Power Partners LLC	Rushmore, MN	3 GWh	Apr 2006	Dec 2025	Wind
Wolf Wind Enterprises LLC	Midwest Power Partners LLC	Rushmore, MN	3 GWh	Apr 2006	Dec 2025	Wind
Minnesota Breeze LLC	Midwest Power Partners LLC	Rushmore, MN	3 GWh	Apr 2006	Dec 2025	Wind
Sunset Breeze LLC	Midwest Power Partners LLC	Rushmore, MN	3 GWh	Apr 2006	Dec 2025	Wind
Green Acres Breeze LLC	Midwest Power Partners LLC	Rushmore, MN	3 GWh	Apr 2006	Dec 2025	Wind
Community Wind South	Greenbacker Renewable Energy Corporation	Rushmore, MN	88 GWh	Nov 2012	Dec 2025	Wind
New Frontier Wind	Meadowlark Wind I LLC	Ruso, ND	381 GWh	Nov 2018	Jul 2026	Wind
Arkansas Nuclear One	Entergy Arkansas LLC	Russellville, AR	14 TWh	Nov 1974	Jul 2026	Nuclear
Louisiana Tech University Power Plant	Louisiana Tech University	Ruston, LA	49 GWh	Jun 2004	Dec 2025	Natural Gas
Lake Benton II	Northern States Power Co - Minnesota	Ruthton, MN	440 GWh	May 1999	Dec 2025	Wind
Shane's Wind Machine	Shane's Wind Machine LLC	Ruthton, MN	7 GWh	Jun 2006	Jan 2025	Wind
Sac County Wind, LLC	Sac County Wind	Sac City, IA	323 GWh	Nov 2021	Jul 2026	Wind
Sacred Heart CSG1, LLC	Nautilus Solar Solutions	Sacred Heart, MN	2 GWh	Jul 2021	Dec 2025	Solar
Skalbeck Solar	Cascade Solar LLC	Sacred Heart, MN	2 GWh	Oct 2022	Dec 2025	Solar
Novel Historical Society Solar CSG	REA Investments, LLC	Sacred Heart, MN	2 GWh	Oct 2019	Dec 2025	Solar
Stoneheart Solar, LLC	Stoneheart Solar, LLC	Saginaw, MI	4 GWh	Nov 2020	Dec 2025	Solar
Geddes 1 Solar, LLC	Geddes 1 Solar, LLC	Saginaw, MI	4 GWh	Nov 2020	Dec 2025	Solar
Geddes 2 Solar, LLC	Geddes 2 Solar, LLC	Saginaw, MI	4 GWh	Dec 2020	Dec 2025	Solar
Nautilus Saint Cloud Solar (CSG)	Nautilus Solar Solutions	Saint Cloud, MN	8 GWh	Mar 2019	Jul 2026	Solar
Hartmann Project CSG	Hartmann Community Solar LLC	Saint Cloud, MN	1 GWh	Nov 2019	Dec 2025	Solar

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