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
T Luhman CSG	Madison Energy Holdings LLC	Zumbrota, MN	2 GWh	Jul 2021	Dec 2025	Solar
Novel Huneke Solar LLC CSG	REA Investments, LLC	Zumbrota, MN	2 GWh	Aug 2021	Dec 2025	Solar
Goodhue Community Solar Three LLC CSG	Madison Energy Holdings LLC	Zumbrota, MN	2 GWh	Jan 2020	Dec 2025	Solar
Goodhue Community Solar Two LLC	Madison Energy Holdings LLC	Zumbrota, MN	2 GWh	Mar 2020	Dec 2025	Solar
Huneke CSG 1, LLC	Madison Energy Holdings LLC	Zumbrota, MN	2 GWh	Sep 2020	Dec 2025	Solar
Huneke CSG 2, LLC	Madison Energy Holdings LLC	Zumbrota, MN	2 GWh	Oct 2020	Dec 2025	Solar
Brenda Luhman - CSG	CleanCapital Holdings	Zumbrota, MN	2 GWh	Jul 2020	Dec 2025	Solar
Goodhue Community Solar One LLC CSG	Madison Energy Holdings LLC	Zumbrota, MN	2 GWh	Jan 2020	Dec 2025	Solar
FastSun 9 CSG	Altus Power America Management, LLC	Zumbrota, MN	2 GWh	Feb 2020	Dec 2025	Solar
Huneke II CSG	Terraform Arcadia	Zumbrota, MN	2 GWh	Aug 2018	Dec 2025	Solar
Huneke I CSG	Huneke I CSG LLC	Zumbrota, MN	2 GWh	Apr 2018	Dec 2025	Solar
Zumbro Community Solar Garden	Zumbro Solar LLC	Zumbrota, MN	2 GWh	Mar 2018	Dec 2025	Solar
FastSun 10 CSG	Altus Power America Management, LLC	Zumbrota, MN	2 GWh	Feb 2020	Dec 2025	Solar
FastSun 11 CSG	Altus Power America Management, LLC	Zumbrota, MN	2 GWh	Feb 2020	Dec 2025	Solar
Carina Community Solar	Carina Community Solar	Zumbro Falls, MN	6 GWh	Jan 2018	Dec 2025	Solar
Zeeland Generating Station	Consumers Energy Co - (MI)	Zeeland, MI	6 TWh	May 2001	Jul 2026	Natural Gas
Zeeland	City of Zeeland - (MI)	Zeeland, MI	600 MWh	Dec 1956	Dec 2025	Natural Gas : 89.2% Distillate Fuel Oil : 10.8%
Riley Generating Station	City of Zeeland - (MI)	Zeeland, MI	844 MWh	Jun 2006	Dec 2025	Natural Gas
Municipal Power Plant	City of Zeeland - (MI)	Zeeland, MI	205 MWh	May 2002	Dec 2025	Natural Gas
FPL Energy Story Wind LLC	FPL Energy Story Wind LLC	Zearing, IA	566 GWh	Nov 2008	Jul 2026	Wind
Garden Wind LLC	Garden Wind LLC	Zearing, IA	322 GWh	Nov 2009	Jul 2026	Wind
East. Michigan Univ. Heating Plant	East. Michigan Univ. Heating Plant	Ypsilanti, MI	33 GWh	Sep 1987	Dec 2025	Natural Gas
Lind Solar CSG	Terraform Arcadia	Young America, MN	8 GWh	Jan 2017	Dec 2025	Solar
CF Industries Yazoo City Complex	CF Industries Nitrogen LLC	Yazoo City, MS	88 GWh	Jun 1984	Jul 2026	Natural Gas
Illinois PV Knox 1A	SoCore Energy LLC	Yates City, IL	3 GWh	Aug 2024	Dec 2025	Solar
Illinois PV Knox 1B	SoCore Energy LLC	Yates City, IL	4 GWh	Aug 2024	Dec 2025	Solar
Wyoming 2 CSG, LLC	Ecoplexus, Inc	Wyoming, MN	8 GWh	Feb 2018	Dec 2025	Solar
Quartz Solar, LLC	RWE Clean Energy	Wynne, AR	293 GWh	Feb 2025	Jul 2026	Solar
Crossover Wind	Crossover Wind, LLC	Wynne, AR	422 GWh	May 2025	Jul 2026	Wind
Wyandotte	Wyandotte Municipal Serv Comm - (MI)	Wyandotte, MI	116 MWh	Dec 1947	Jul 2026	Distillate Fuel Oil
Fox Energy Center	Wisconsin Public Service Corp	Wrightstown, WI	4 TWh	May 2005	Jul 2026	Natural Gas
MP CSG 1 LLC	United States Solar Corporation	Wrenshall, MN	2 GWh	Dec 2017	Dec 2025	Solar
Ewington Energy Systems, LLC	Ewington Energy Systems, LLC	Worthington, MN	81 GWh	Dec 2007	Dec 2025	Wind
Worthington	City of Worthington - (MN)	Worthington, MN	6 GWh	Jan 2002	Dec 2025	Wind : 99.3% Distillate Fuel Oil : 0.7%
Worthington Generation LLC	Hoosier Energy R E C, Inc	Worthington, IN	203 GWh	May 2000	Dec 2025	Natural Gas
Next Generation	OneEnergy, Inc.	Woodville, WI	331 MWh	Sep 2025	Dec 2025	Solar
Rock Aetna Power Partners	Northern States Power Co - Minnesota	Woodstock, MN	84 GWh	Nov 2022	Dec 2025	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
Moraine Wind LLC	Avangrid Power LLC	Woodstock, MN	89 GWh	Nov 2003	Dec 2025	Wind
Fey Windfarm LLC	Fey Windfarm LLC	Woodstock, MN	4 GWh	Aug 2003	Dec 2025	Wind
Windcurrent Farms LLC	Windcurrent Farms LLC	Woodstock, MN	5 GWh	Aug 2003	Dec 2025	Wind
Kas Brothers Windfarm	Kas Brothers Windfarm LLC	Woodstock, MN	2 GWh	Nov 2001	Dec 2025	Wind
K-Brink Windfarm LLC	K-brink Windfarm, LLC	Woodstock, MN	6 GWh	Jan 2003	Dec 2025	Wind
Woodstock Windfarm	RWE Clean Energy	Woodstock, MN	37 GWh	Apr 1999	Dec 2025	Wind
Boeve Windfarm LLC	Boeve Windfarm LLC	Woodstock, MN	4 GWh	Jul 2003	Dec 2025	Wind
Grant County Wind LLC	Grant County Wind, LLC	Woodstock, MN	53 GWh	Jul 2010	Dec 2025	Wind
Ridgewind	Ridgewind Power Partners LLC	Woodstock, MN	75 GWh	Dec 2010	Dec 2025	Wind
Stoneray Power Partners, LLC	EDF Renewable Asset Holdings, Inc.	Woodstock, MN	358 GWh	Jan 2019	Jul 2026	Wind
Moraine II Wind LLC	Avangrid Power LLC	Woodstock, MN	101 GWh	Jan 2009	Dec 2025	Wind
Woodbury Solar	MN CSG 2, LLC	Woodbury, MN	4 GWh	Jun 2020	Dec 2025	Solar
USS Wolf Solar LLC	United States Solar Corporation	Wood Lake, MN	2 GWh	Jun 2023	Dec 2025	Solar
Sauk DPC Solar	SoCore Energy LLC	Wonewoc, WI	2 GWh	Dec 2016	Dec 2025	Solar
Indiana Crossroads Wind Farm II	Indiana Crossroads Wind Farm II LLC	Wolcott, IN	604 GWh	Nov 2024	Jul 2026	Wind
Biron Mill	ND Paper, Inc.	Wisconsin Rapids, WI	114 GWh	Aug 1947	Dec 2025	Natural Gas
Wisconsin Rapids	Consolidated Water Power Co	Wisconsin Rapids, WI	46 GWh	Dec 1902	Dec 2025	Water
Kilbourn	Wisconsin Power & Light Co	Wisconsin Dells, WI	49 GWh	Jun 1926	Dec 2025	Water
Wiota	Wiota Wind Energy, LLC #1	Wiota, IA	5 GWh	Apr 2012	Dec 2025	Wind
Winton	ALLETE, Inc.	Winton, MN	18 GWh	Jul 1923	Dec 2025	Water
Winterset	City of Winterset - (IA)	Winterset, IA	33 MWh	Jun 1956	Dec 2025	Distillate Fuel Oil : 57.8% Natural Gas : 42.2%
LAC Courte Oreilles Hydroelect	Zero6 Energy Hydro	Winter, WI	7 GWh	Nov 1986	Dec 2025	Water
Nautilus Winsted Solar (CSG)	Nautilus Solar Solutions	Winsted, MN	5 GWh	Mar 2019	Jul 2026	Solar
Montgomery Winsted CSG	Minnesota Solar CSG 4, LLC	Winsted, MN	4 GWh	Oct 2017	Dec 2025	Solar
Eichtens II CSG	Terraform Arcadia	Winstead, MN	2 GWh	Aug 2018	Dec 2025	Solar
Barone CSG	Terraform Arcadia	Winstead, MN	2 GWh	Sep 2018	Dec 2025	Solar
South Garden	South Garden LLC	Winstead, MN	2 GWh	Jun 2023	Dec 2025	Solar
Veolia ES Blackfoot Landfill Facility	Southern Indiana Gas & Elec Co	Winslow, IN	4 GWh	May 2009	Dec 2025	Landfill Gas
Stockton (MN)	Altus Power America Management, LLC	Winona, MN	4 GWh	Oct 2021	Dec 2025	Solar
Winfield Solar	Winfield Solar I, LLC	Winfield, MO	289 GWh	Apr 2025	Jul 2026	Solar
Windom	City of Windom (MN)	Windom, MN	32 MWh	May 1980	Dec 2025	Distillate Fuel Oil
IMPA Winamac Solar Park	Indiana Municipal Power Agency	Winamac, IN	2 GWh	May 2025	Dec 2025	Solar
FPL Energy Burleigh County Wind	FPL Energy Burleigh County Wind LLC	Wilton, ND	186 GWh	Nov 2005	Dec 2025	Wind
Baldwin Wind LLC	Baldwin Wind LLC	Wilton, ND	384 GWh	Nov 2010	Dec 2025	Wind
Wilton Wind II LLC	Wilton Wind II LLC	Wilton, ND	201 GWh	Oct 2009	Dec 2025	Wind
Eastern Iowa Solar	Central Iowa Power Cooperative	Wilton, IA	3 GWh	Oct 2016	Oct 2025	Solar
Wilton	City of Wilton - (IA)	Wilton, IA	8 MWh	Dec 1991	Dec 2025	Distillate Fuel Oil
Rivercrest SD	Entegrity Solar Rivercrest SD, LLC	Wilson, AR	2 GWh	Feb 2022	Dec 2025	Solar
Noble Ridge LLC	RENEW Energy Inc	Wilmont, MN	61 MWh	Nov 2001	Dec 2024	Wind
Nobles 2 Wind Project	Nobles 2 Power Partners, LLC	Wilmont, MN	952 GWh	Nov 2020	Jul 2026	Wind
Willmar Municipal East Substation	Willmar Municipal Utilities (MN)	Willmar, MN	32 MWh	May 2000	Dec 2025	Distillate Fuel Oil
Willmar Municipal SW Substation	Willmar Municipal Utilities (MN)	Willmar, MN	30 MWh	May 2000	Dec 2025	Distillate Fuel Oil
Montgomery County	Entergy Texas Inc.	Willis, TX	6 TWh	Dec 2020	Jul 2026	Natural Gas
Lewis Creek	Entergy Texas Inc.	Willis, TX	2 TWh	Nov 1970	Jul 2026	Natural Gas
Elba Solar LLC	Elba Solar LLC	Williamsfield, IL	4 GWh	Jan 2023	Dec 2025	Solar
Whiting	Consolidated Water Power Co	Whiting, WI	16 GWh	Dec 1890	Dec 2025	Water
Whiting Clean Energy	BP Alternative Energy	Whiting, IN	3 TWh	Mar 2002	Jul 2026	Natural Gas
Whiting Refinery	BP PLC	Whiting, IN	328 GWh	Dec 1947	Dec 2025	Other Gas : 87.1% Natural Gas : 12.9%
Whitewater Generating Station	Wisconsin Electric Power Co	Whitewater, WI	230 GWh	Aug 1997	Jul 2026	Natural Gas : 99.0% Distillate Fuel Oil : 1.0%
Spring Brook Solar WI, LLC	Wisconsin Electric Power Co	Whitewater, WI	630 MWh	Sep 2025	Dec 2025	Solar
Ridgeview	WM Renewable Energy LLC	Whitelaw, WI	37 GWh	Aug 2002	Dec 2025	Landfill Gas
Flat Fork Solar	Flat Fork Solar, LLC	Wheatley, AR	444 GWh	Jul 2025	Jul 2026	Solar
Wheatland	Origis Energy USA, Inc	Wheatland, IN	187 GWh	-	Jul 2026	Solar
Wheatland Generating Facility	Duke Energy Indiana, LLC	Wheatland, IN	153 GWh	May 2000	Dec 2025	Natural Gas
R M Schahfer	Northern Indiana Pub Serv Co	Wheatfield, IN	773 GWh	Nov 1976	Jul 2026	Bituminous Coal : 97.4% Natural Gas : 2.6%
Dunns Bridge I Solar	Dunns Bridge Solar Center LLC	Wheatfield, IN	421 GWh	May 2023	Jul 2026	Solar
Timberline Trail Gas Recovery	WM Renewable Energy LLC	Weyerhaeser, WI	19 GWh	Jan 2006	Dec 2025	Landfill Gas
Wever Solar (150MW)	Interstate Power and Light Co	Wever, IA	288 GWh	Oct 2024	Jul 2026	Solar
Nine Mile Point	Entergy Louisiana LLC	Westwego, LA	8 TWh	Oct 1955	Jul 2026	Natural Gas : 99.3% Distillate Fuel Oil : 0.7%
Victory Wind Farm	MidAmerican Energy Co	Westside, IA	384 GWh	Nov 2006	Dec 2025	Wind
R S Nelson	Entergy Louisiana LLC	Westlake, LA	2 TWh	Jan 1959	Jul 2026	Subbituminous Coal : 99.7%

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