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
Water Reclamation Plant	City of Rochester - (MN)	Rochester, MN	4 GWh	Feb 2003	Dec 2025	Other Biomass Gas : 99.8%
Odell Wind Farm	Algonquin Power Co	Mountain Lake, MN	769 GWh	Jun 2016	Dec 2025	Wind
Gratiot County Wind LLC	Invenergy Services LLC	Breckenridge, MI	262 GWh	Apr 2012	Dec 2025	Wind
South Fork Wind Farm	South Fork Wind, LLC	Round Lake, MN	54 GWh	Nov 2016	Dec 2025	Wind
Lenape II	Lenape Solar II, LLC	Indianapolis, IN	5 GWh	Oct 2015	Dec 2025	Solar
Viresco Turtle Lake	Viresco Turtle Lake	Turtle Lake, WI	8 GWh	Aug 2013	Dec 2025	Other Biomass Gas
Hobart Solar, LLC	AES Distributed Energy	Hobart, IN	49 MWh	Oct 2012	Dec 2025	Solar
Cross Winds Energy Park	Consumers Energy Co - (MI)	Unionville, MI	728 GWh	Nov 2014	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
Lakeswind Power Partners	Lakeswind Power Partners	Pelican Rapids, MN	162 GWh	Feb 2014	Dec 2025	Wind
Bison 4 Wind Energy Center	ALLETE, Inc.	New Salem, ND	573 GWh	Dec 2014	Dec 2025	Wind
Lundgren Wind Project	MidAmerican Energy Co	Otho, IA	605 GWh	Jul 2014	Dec 2025	Wind
Macksburg Wind Project	MidAmerican Energy Co	Macksburg, IA	249 GWh	Nov 2014	Dec 2025	Wind
Wellsburg Wind Project	MidAmerican Energy Co	Wellsburg, IA	305 GWh	Nov 2014	Dec 2025	Wind
Big Turtle Wind Farm, LLC	DTE Sustainable Generation	Harbor Beach, MI	76 GWh	Nov 2014	Dec 2025	Wind
Beebe 1B	Beebe 1B Renewable Energy, LLC	Ithaca, MI	127 GWh	Nov 2014	Dec 2025	Wind
Story City Wind Project	Hamilton Wind Energy LLC	Story City, IA	5 GWh	Sep 2010	Dec 2025	Wind
Melrose 2	Melrose Public Utilities	Melrose, MN	4 MWh	Feb 2014	Dec 2025	Distillate Fuel Oil
Traer Wind Project	City of Traer - (IA)	Traer, IA	6 GWh	Sep 2010	Dec 2025	Wind
Rockville Solar I LLC	CleanCapital Holdings	Indianapolis, IN	2 GWh	Mar 2014	Dec 2025	Solar
Rockville Solar II, LLC	CleanCapital Holdings	Indianapolis, IN	912 MWh	Jul 2014	Dec 2025	Solar
Thunder Spirit Wind, LLC	Montana-Dakota Utilities Co	Hettinger, ND	568 GWh	Nov 2015	Dec 2025	Wind
St. Olaf Wind Turbine	St. Olaf College	Northfield, MN	2 GWh	Aug 2006	Dec 2025	Wind
St. Olaf StandBy Generators	St. Olaf College	Northfield, MN	116 MWh	May 1999	Dec 2025	Distillate Fuel Oil
Griffith	Altus Power America Management, LLC	Griffith, IN	3 GWh	Feb 2013	Dec 2025	Solar
Hoopeston Wind LLC	Hoopeston Wind LLC	Rossville, IL	338 GWh	Feb 2015	Dec 2025	Wind
Michelangelo Wind 3 LLC	Michelangelo Wind 3 LLC	Huxley, IA	10 GWh	Jan 2017	Dec 2025	Wind
Carroll Area Wind Farm	SRIV Partnership LLC	Templeton, IA	54 GWh	Dec 2014	Dec 2025	Wind
Holland Energy Park	City of Holland - (MI)	Holland, MI	974 GWh	May 2017	Dec 2025	Natural Gas
Belmont	Marion Solar LLC	Indianapolis, IN	5 GWh	Oct 2015	Dec 2025	Solar
Marion Solar LNG	Marion Solar LLC	Indianapolis, IN	2 GWh	Sep 2015	Dec 2025	Solar
Univ Minnesota CHP Plant	University of Minnesota Central Utilities	Minneapolis, MN	172 GWh	Oct 2017	Dec 2025	Natural Gas : 99.7%
Pleasant Valley Wind Farm	Northern States Power Co - Minnesota	Dexter, MN	464 GWh	Jul 2015	Dec 2025	Wind
Optimum Wind 5 LLC	Novis Renewables, LLC	Nevada, IA	9 GWh	Feb 2017	Dec 2025	Wind
Optimum Wind 6 LLC	Novis Renewables, LLC	Nevada, IA	9 GWh	Feb 2017	Dec 2025	Wind
Optimum Wind 7 LLC	Novis Renewables, LLC	Nevada, IA	9 GWh	Feb 2017	Dec 2025	Wind
Optimum Wind 4 LLC	Novis Renewables, LLC	Nevada, IA	8 GWh	Feb 2017	Dec 2025	Wind
Optimum Wind 3 LLC	Novis Renewables, LLC	Nevada, IA	7 GWh	Feb 2017	Dec 2025	Wind
Leonardo Wind 1 LLC	Novis Renewables, LLC	Alden, IA	9 GWh	Nov 2016	Dec 2025	Wind
Venus Wind 3 LLC	Novis Renewables, LLC	Grinnell, IA	9 GWh	Feb 2017	Dec 2025	Wind
Michelangelo Wind 1 LLC	Novis Renewables, LLC	Huxley, IA	10 GWh	Feb 2017	Dec 2025	Wind
Michelangelo Wind 4 LLC	Novis Renewables, LLC	Ames, IA	10 GWh	Nov 2016	Dec 2025	Wind
Hidden View Dairy, LLC	Hidden View Dairy, LLC	Rensselaer, IN	6 GWh	Jan 2007	Dec 2025	Natural Gas
IND Solar Farm (Phase IIA)	Terraform Arcadia	Indianapolis, IN	6 GWh	Nov 2014	Dec 2025	Solar
Duke Building 87	Concord New Energy	Indianapolis, IN	3 GWh	Nov 2014	Dec 2025	Solar
Duke Building 98	Concord New Energy	Indianapolis, IN	4 GWh	Nov 2014	Dec 2025	Solar
Duke Building 129	Concord New Energy	Indianapolis, IN	4 GWh	Nov 2014	Dec 2025	Solar
Lennon Generating	North American Natural Res	Lennon, MI	26 GWh	Jan 2001	Dec 2025	Landfill Gas
East. Michigan Univ. Heating Plant	East. Michigan Univ. Heating Plant	Ypsilanti, MI	33 GWh	Sep 1987	Dec 2025	Natural Gas
Coldwater Peaking Plant	Coldwater Board of Public Util	Coldwater, MI	2 GWh	Jun 2015	Dec 2025	Natural Gas
IMPA Rensselaer Solar Park	Indiana Municipal Power Agency	Rensselaer, IN	1 GWh	Apr 2014	Dec 2025	Solar
IMPA Peru Solar Park	Indiana Municipal Power Agency	Peru, IN	4 GWh	Jul 2015	Dec 2025	Solar
IMPA Tell City Solar Park	Indiana Municipal Power Agency	Tell City, IN	5 GWh	Jun 2015	Dec 2025	Solar
IMPA Crawfordsville Solar Park	Indiana Municipal Power Agency	Crawfordsville, IN	4 GWh	Aug 2015	Dec 2025	Solar
Adams Wind	MidAmerican Energy Co	Lenox, IA	460 GWh	Sep 2015	Dec 2025	Wind
IMPA Pendleton Solar Park	Indiana Municipal Power Agency	Pendleton, IN	3 GWh	Sep 2015	Dec 2025	Solar
Jefferson Solar Park	Concord New Energy	Jefferson, WI	577 MWh	Nov 2013	Dec 2025	Solar
BioTown Ag	Bio Town Biogas, LLC	Reynolds, IN	37 GWh	May 2011	Dec 2025	Other Biomass Gas
Heartland Community College	Heartland Community College	Normal, IL	5 GWh	May 2012	Dec 2025	Wind : 95.6% Solar : 4.4%
INDY III	Terraform Arcadia	Indianapolis, IN	3 GWh	Jul 2015	Dec 2025	Solar
Indy Grocers	Terraform Arcadia	Indianapolis, IN	1 GWh	May 2015	Dec 2025	Solar
Twin Falls (WI)	Wisconsin Electric Power Co	Florence, WI	37 GWh	Jun 2016	Dec 2025	Water
Alpine Power Plant	Wolverine Power Supply Coop	Elmira, MI	776 GWh	May 2016	Dec 2025	Natural Gas
New Castle Solar RES	Hoosier Energy R E C, Inc	New Castle, IN	2 GWh	Oct 2015	Dec 2025	Solar
Scotland Solar RES	Hoosier Energy R E C, Inc	Newberry, IN	1 GWh	Oct 2015	Dec 2025	Solar
New Haven Solar RES	Hoosier Energy R E C, Inc	Dale, IN	1 GWh	Aug 2016	Dec 2025	Solar
Ellettsville Solar RES	Hoosier Energy R E C, Inc	Ellettsville, IN	1 GWh	Sep 2016	Dec 2025	Solar
Henryville Solar RES	Hoosier Energy R E C, Inc	Underwood, IN	1 GWh	Aug 2016	Dec 2025	Solar
Spring Mill Solar RES	Hoosier Energy R E C, Inc	Mitchell, IN	1 GWh	Aug 2017	Dec 2025	Solar
Decatur Co. Solar RES (IN)	Hoosier Energy R E C, Inc	Greensburg, IN	2 GWh	Aug 2017	Dec 2025	Solar
Jackson Co. Solar RES	Hoosier Energy R E C, Inc	Columbus, IN	1 GWh	Aug 2017	Dec 2025	Solar
Johnson Co. Solar RES	Hoosier Energy R E C, Inc	Trafalgar, IN	674 MWh	Sep 2016	Dec 2025	Solar
Portage Solar	Ecos Energy LLC	Valparaiso, IN	2 GWh	Oct 2012	Dec 2025	Solar
Middlebury Solar	Ecos Energy LLC	Middlebury, IN	2 GWh	Oct 2012	Dec 2025	Solar
Lorin Industries	Lorin Industries	Muskegon, MI	4 GWh	Dec 1989	Dec 2025	Natural Gas
McDonald Solar Farm, LLC	Cypress Creek Renewables	West Terre Haute, IN	8 GWh	Nov 2015	Dec 2025	Solar
Pastime Farm, LLC	Cypress Creek Renewables	Brazil, IN	9 GWh	Nov 2015	Dec 2025	Solar
IMPA Huntingburg Solar Park	Indiana Municipal Power Agency	Huntingburg, IN	3 GWh	Aug 2016	Dec 2025	Solar
IMPA Washington Solar Park	Indiana Municipal Power Agency	Washington, IN	4 GWh	Aug 2016	Dec 2025	Solar
Owatonna Energy Station	Southern Minnesota Mun P Agny	Owatonna, MN	2 GWh	Feb 2018	Dec 2025	Natural Gas
O'Brien Wind	MidAmerican Energy Co	Primghar, IA	851 GWh	Aug 2016	Dec 2025	Wind
Ida Grove Wind	MidAmerican Energy Co	Ida Grove, IA	1 TWh	Aug 2016	Dec 2025	Wind
Turrill Solar Farm	DTE Electric Company	Lapeer, MI	20 GWh	Apr 2017	Dec 2025	Solar
O'Shea Solar Farm	DTE Electric Company	Detroit, MI	3 GWh	Jun 2017	Dec 2025	Solar
Crane Solar Facility	Duke Energy Indiana, LLC	Crane, IN	27 GWh	Dec 2016	Dec 2025	Solar
Albany Solar	Enel Green Power NA, Inc.	Albany, MN	19 GWh	Nov 2016	Dec 2025	Solar
Annandale Solar	Enel Green Power NA, Inc.	Annandale, MN	12 GWh	Nov 2016	Dec 2025	Solar
Atwater Solar	Enel Green Power NA, Inc.	Atwater, MN	8 GWh	Nov 2016	Dec 2025	Solar
Chisago Solar	Enel Green Power NA, Inc.	North Branch, MN	11 GWh	Nov 2016	Dec 2025	Solar
Dodge Center Solar	Enel Green Power NA, Inc.	Dodge Center, MN	13 GWh	Nov 2016	Dec 2025	Solar
Eastwood Solar	Enel Green Power NA, Inc.	Mankato, MN	11 GWh	Nov 2016	Dec 2025	Solar
Hastings Solar	Enel Green Power NA, Inc.	Hastings, MN	8 GWh	Nov 2016	Dec 2025	Solar
Lake Emily Solar	Enel Green Power NA, Inc.	St. Peter, MN	9 GWh	Nov 2016	Dec 2025	Solar
Lake Pulaski Solar	Enel Green Power NA, Inc.	Buffalo, MN	13 GWh	Nov 2016	Dec 2025	Solar
Lawrence Creek Solar	Enel Green Power NA, Inc.	Shafer, MN	6 GWh	Nov 2016	Dec 2025	Solar
Montrose Solar	Enel Green Power NA, Inc.	Montrose, MN	6 GWh	Nov 2016	Dec 2025	Solar
Paynesville Solar	Enel Green Power NA, Inc.	Paynesville, MN	18 GWh	Nov 2016	Dec 2025	Solar
Pine Island Solar	Enel Green Power NA, Inc.	Pine Island, MN	8 GWh	Nov 2016	Dec 2025	Solar
Waseca Solar	Enel Green Power NA, Inc.	Waseca, MN	21 GWh	Nov 2016	Dec 2025	Solar
West Faribault Solar	Enel Green Power NA, Inc.	Faribault, MN	10 GWh	Nov 2016	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