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
Envoy Solar, LLC	Birch Creek Power, LLC	Mexico, MO	110 GWh	Jan 2025	Jul 2026	Solar
Community Wind North LLC	Northern States Power Co - Minnesota	Verdi Township, MN	110 GWh	Apr 2011	Dec 2025	Wind
Cargill Corn Milling Division	Cargill Inc North America Sweetners	Eddyville, IA	112 GWh	Nov 1952	Dec 2025	Natural Gas
Packaging of America Tomahawk Mill	PCA-Tomahawk Mill	Tomahawk, WI	113 GWh	Dec 1919	Dec 2025	Wood/Wood Waste Solids : 35.4% Natural Gas : 35.0% Black Liquor : 18.0% Water : 11.0% Other Biomass Solids : 0.6%
Biron Mill	ND Paper, Inc.	Wisconsin Rapids, WI	114 GWh	Aug 1947	Dec 2025	Natural Gas
Kimmel Road Solar, LLC	Birch Creek Power, LLC	Du Quoin, IL	114 GWh	Sep 2024	Jul 2026	Solar
Storm Lake II	ALLETE Clean Energy	Alta, IA	115 GWh	Mar 1999	Dec 2025	Wind
Lake Charles Plant	Rain CII Carbon LLC	Sulphur, LA	115 GWh	Nov 2012	Oct 2025	Waste Heat
RC Thomas Hydroelectric Project	East Texas Electric Coop, Inc	Livingston, TX	115 GWh	Jun 2020	Jul 2026	Water
Sunlight Road Solar	Sunlight Road Solar, LLC	Franklinton, LA	115 GWh	Oct 2024	Jul 2026	Solar
St Francisville Mill	Hood Container of Louisiana, LLC	St. Francisville, LA	116 GWh	Feb 1966	Dec 2025	Black Liquor : 60.5% Natural Gas : 39.5%
Murray	City of North Little Rock - (AR)	North Little Rock, AR	116 GWh	Sep 1988	Dec 2025	Water
Genesee Power Station LP	NorthStar Clean Energy	Flint, MI	116 GWh	Nov 1995	Dec 2025	Wood/Wood Waste Solids : 99.9%
Harvest	Harvest Windfarm, LLC	Elkton, MI	117 GWh	Dec 2007	Dec 2025	Wind
Salt Creek Township Solar, LLC	Birch Creek Power, LLC	Mason City, IL	117 GWh	Dec 2024	Jul 2026	Solar
Iris Solar LLC	Iris Solar LLC	Franklinton, LA	117 GWh	Sep 2022	Jul 2026	Solar
Wissota	Northern States Power Co - Minnesota	Chippewa Falls, WI	118 GWh	Dec 1916	Dec 2025	Water
Ashtabula Wind III LLC	Otter Tail Power Co	Luverne, ND	120 GWh	Nov 2010	Dec 2025	Wind
Forward Wind Energy Center	Wisconsin Public Service Corp	Brownsville, WI	121 GWh	Jun 2008	Jul 2026	Wind
FPL Energy North Dakota Wind I/II	FPL Energy North Dakota Wind LLC	Edgeley, ND	121 GWh	Sep 2003	Dec 2025	Wind
LSU Cogen	LSU and A&M College	Baton Rouge, LA	122 GWh	Nov 2004	Jul 2026	Natural Gas
Courtenay Wind Farm	Northern States Power Co - Minnesota	Courtenay, ND	122 GWh	Nov 2016	Jul 2026	Wind
Clearwater Paper APP CB	Clearwater Paper Corporation	Arkansas City, AR	123 GWh	Oct 1977	Dec 2025	Black Liquor : 58.1% Natural Gas : 41.5%
Purdue CHP	Duke Energy Indiana, LLC	West Lafayette, IN	125 GWh	Feb 2022	Dec 2025	Natural Gas
Stoney Corners Wind Farm	DTE Sustainable Generation	McBain, MI	125 GWh	Nov 2009	Dec 2025	Wind
PPG Riverside	Westlake 2 US LLC	Lake Charles, LA	127 GWh	Aug 1947	Jul 2026	Purchased Steam
Beebe 1B	Beebe 1B Renewable Energy, LLC	Ithaca, MI	127 GWh	Nov 2014	Dec 2025	Wind
Red Wing	Northern States Power Co - Minnesota	Red Wing, MN	127 GWh	Sep 1949	Jul 2026	Non-biogenic Municipal Solid Waste : 53.4% Biogenic Municipal Solid Waste : 43.7% Wood/Wood Waste Solids : 2.3% Natural Gas : 0.6%
Pine River Solar Park	DTE Electric Company	Alma, MI	128 GWh	May 2025	Jul 2026	Solar
Cherry Valley PV I	Cherry Valley PV I, LLC	Cherry Valley, AR	129 GWh	-	Jul 2026	Solar
National Energy of McBain	National Salvage & Service Corporation	McBain, MI	129 GWh	Nov 1988	Dec 2025	Wood/Wood Waste Solids : 90.5% Tire-derived Fuels : 9.4%
Purdue University	Purdue University	West Lafayette, IN	129 GWh	Dec 1968	Jul 2026	Natural Gas : 94.3% Bituminous Coal : 5.7%
Crawfish River	Wisconsin Power & Light Co	Jefferson, WI	129 GWh	Nov 2023	Jul 2026	Solar
Inver Hills	Northern States Power Co - Minnesota	Inver Grove Heights, MN	130 GWh	Mar 1972	Dec 2025	Natural Gas : 98.8% Distillate Fuel Oil : 1.2%
Whillock	Arkansas Electric Coop Corp	Morrilton, AR	131 GWh	Sep 1993	Dec 2025	Water
Bayou Cove Peaking Power	Bayou Cove Peaking Power, LLC	Jennings, LA	131 GWh	Jun 2002	Jul 2026	Natural Gas
Northern Iowa Windpower II	Avangrid Power LLC	Kensett, IA	134 GWh	Dec 2007	Dec 2025	Wind
Paddock Solar	Wisconsin Power & Light Co	Beloit, WI	135 GWh	Oct 2023	Jul 2026	Solar
Lafitte Solar, LLC	RWE Clean Energy	Monroe, LA	135 GWh	Nov 2025	Jul 2026	Solar
Kalamazoo River Generating Station	CMS Generation MI Power LLC	Comstock, MI	136 GWh	May 1999	Dec 2025	Natural Gas
Mission Road Solar Park	DTE Electric Company	Rosebush, MI	137 GWh	-	Jul 2026	Solar
Butler Ridge	Butler Ridge Wind Energy Center	Mayville, WI	137 GWh	Jan 2009	Jul 2026	Wind
Calcasieu	Entergy Louisiana LLC	Sulphur, LA	139 GWh	Apr 2000	Dec 2025	Natural Gas
New Orleans Power	Entergy New Orleans, LLC	New Orleans, LA	142 GWh	Apr 2020	Jul 2026	Natural Gas
491 E 48th Street	City of Holland - (MI)	Holland, MI	142 GWh	Apr 1992	Dec 2025	Natural Gas
Solway CT	Otter Tail Power Co	Solway, MN	143 GWh	Apr 2003	Dec 2025	Natural Gas : 99.5%
Weston RICE	Wisconsin Public Service Corp	Kronenwetter, WI	144 GWh	Jun 2023	Dec 2025	Natural Gas
Elk River	Great River Energy	Elk River, MN	145 GWh	Dec 1950	Jul 2026	Natural Gas : 90.1% Distillate Fuel Oil : 9.9%
Delray	DTE Electric Company	Detroit, MI	145 GWh	Jan 2000	Dec 2025	Natural Gas
Mulligan Solar, LLC	Mulligan Solar	Broadwell, IL	146 GWh	Jun 2022	Jul 2026	Solar
Carpenter	Entergy Arkansas LLC	Hot Springs, AR	147 GWh	Dec 1931	Dec 2025	Water
Baldwin Solar BESS	Vistra Corp	Baldwin, IL	148 GWh	Nov 2024	Jul 2026	Solar
Polaris Solar Park	DTE Electric Company	Ashley, MI	148 GWh	Jun 2025	Jul 2026	Solar
Sunflower County	Sunflower County Solar Project, LLC	Ruleville, MS	148 GWh	Aug 2022	Jul 2026	Solar
Apple River Solar, LLC	Geronimo Power	Amery, WI	149 GWh	Nov 2025	Jul 2026	Solar
Stuttgart Solar	Stuttgart Solar, LLC	Stuttgart, AR	149 GWh	Dec 2017	Jul 2026	Solar
Primient Decatur Plant Cogen	Primary Products Ingredients Americas, LLC	Decatur, IL	150 GWh	Dec 1988	Dec 2025	Natural Gas
Panther Creek Wind Project	Greenbacker Renewable Energy Corporation	Pittsfield, IL	151 GWh	Jan 2025	Jul 2026	Wind
Luverne Wind Energy Center	Otter Tail Power Co	Luverne, ND	151 GWh	Aug 2009	Dec 2025	Wind
Prairie Du Sac	Wisconsin Power & Light Co	Prairie du Sac, WI	153 GWh	Sep 1915	Dec 2025	Water
Georgia-Pacific Corp - Nekoosa Mill	Domtar Industries Inc	Nekoosa, WI	153 GWh	Dec 1911	Jul 2026	Natural Gas : 42.7% Black Liquor : 41.6% Water : 15.7%
Wheatland Generating Facility	Duke Energy Indiana, LLC	Wheatland, IN	153 GWh	May 2000	Dec 2025	Natural Gas
Peno Creek	Union Electric Co - (MO)	Bowling Green, MO	156 GWh	Apr 2002	Dec 2025	Natural Gas : 99.3% Distillate Fuel Oil : 0.7%
Saint Marys Falls	USACE-Detroit District	Sault Ste. Marie, MI	156 GWh	Jun 1932	Dec 2025	Water
Pleasant Valley (MN)	Great River Energy	Dexter, MN	157 GWh	Apr 2001	Dec 2025	Natural Gas : 99.2% Distillate Fuel Oil : 0.8%
Big Cajun 1	Louisiana Generating LLC	Jarreau, LA	158 GWh	May 1972	Dec 2025	Natural Gas
Lakeswind Power Partners	Lakeswind Power Partners	Pelican Rapids, MN	162 GWh	Feb 2014	Dec 2025	Wind
Otsego Mill Power Plant	Otsego Paper Inc	Otsego, MI	163 GWh	Oct 1995	Dec 2025	Natural Gas
White Tail Solar	White Tail Solar, LLC	Milan, MI	163 GWh	Oct 2025	Jul 2026	Solar
Delta's Edge Solar	Cubico USA, LLC	Greenwood, MS	163 GWh	Oct 2023	Jul 2026	Solar
Wildwood Solar Plant	Wildwood Solar, LLC	Tutwiler, MS	164 GWh	Nov 2025	Jul 2026	Solar
Marquette Energy Center	City of Marquette - (MI)	Marquette, MI	164 GWh	Jul 2017	Dec 2025	Natural Gas : 98.9% Distillate Fuel Oil : 1.1%
Lawrence County Station	Hoosier Energy R E C, Inc	Mitchell, IN	164 GWh	Apr 2005	Dec 2025	Natural Gas
Michigan Wind 1	Michigan Wind 1, LLC	Ubly, MI	165 GWh	Nov 2008	Dec 2025	Wind
Kelso 2 Solar	Kelso 2 Solar, LLC	Benton, MO	165 GWh	-	Jul 2026	Solar
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%
Assembly Solar III	Assembly Solar III, LLC	Lennon, MI	167 GWh	Dec 2021	Jul 2026	Solar
Rippey Wind Farm	Greenbacker Renewable Energy Corporation	Grand Junction, IA	167 GWh	Jul 2012	Dec 2025	Wind
Hawkeye Power Partners LLC	Hawkeye Power Partners LLC	Garner, IA	168 GWh	Mar 1999	Dec 2025	Wind
Prescott Wind Farm	Prescott Wind Energy LLC	Prescott, IA	168 GWh	Aug 2024	Jul 2026	Wind
Cadillac Renewable Energy	Cadillac Renewable Energy LLC	Cadillac, MI	169 GWh	Jul 1993	Dec 2025	Wood/Wood Waste Solids
Cerro Gordo Wind Farm	Cerro Gordo Wind Farm	Union, IA	170 GWh	Jul 2020	Jul 2026	Wind
Hawkeye Wind Farm	Greenbacker Renewable Energy Corporation	Sumner, IA	171 GWh	Sep 2012	Dec 2025	Wind
Split Rail Solar Energy LLC	Invenergy Services LLC	Warrenton, MO	171 GWh	-	Jun 2026	Solar
Univ Minnesota CHP Plant	University of Minnesota Central Utilities	Minneapolis, MN	172 GWh	Oct 2017	Dec 2025	Natural Gas : 99.7%
Langdon Wind Energy Center	Otter Tail Power Co	Langdon, ND	173 GWh	Nov 2007	Dec 2025	Wind
Elk Wind Farm	Greenbacker Renewable Energy Corporation	Greeley, IA	173 GWh	Nov 2011	Dec 2025	Wind
Searcy Solar Hybrid	Searcy Solar, LLC	Searcy, AR	173 GWh	Dec 2021	Jul 2026	Solar
Prairie Solar LLC	MN8 Energy LLC	Sidney, IL	173 GWh	-	Jul 2026	Solar
Langdon Wind II LLC	FPL Energy Langdon Wind LLC	Osnabrock, ND	175 GWh	Aug 2008	Dec 2025	Wind
Woodruff County Solar	Arkansas Electric Coop Corp	Augusta, AR	175 GWh	Sep 2024	Jul 2026	Solar
North Star Solar Project	North Star Solar PV LLC	North Branch, MN	176 GWh	Nov 2016	Jul 2026	Solar
Bay Front	Northern States Power Co - Minnesota	Ashland, WI	177 GWh	Dec 1948	Dec 2025	Wood/Wood Waste Solids : 95.1% Tire-derived Fuels : 4.2% Natural Gas : 0.7%
Archtop Solar	Archtop Property Management LLC	Gibson City, IL	178 GWh	-	Jul 2026	Solar
Fairbanks Wind Park	DTE Electric Company	Garden, MI	180 GWh	Dec 2021	Jul 2026	Wind
De Pere Energy Center	Wisconsin Public Service Corp	De Pere, WI	180 GWh	May 1999	Dec 2025	Natural Gas : 59.9% Distillate Fuel Oil : 40.1%
Muskegon Solar	Consumers Energy Co - (MI)	Muskegon, MI	180 GWh	-	Jul 2026	Solar
Atlantic Alumina, Gramercy Operations	Atalco Gramercy LLC	Gramercy, LA	181 GWh	Jan 1958	Dec 2025	Natural Gas
Edison Sault	Cloverland Electric Co-op	Sault Ste. Marie, MI	181 GWh	Jun 1901	Dec 2025	Water
St. Mary Clean Energy Center	Cleco Power LLC	Centerville, LA	181 GWh	Jul 2019	Dec 2025	Waste Heat

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