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	Jun 2025
Annual Generation	642.8 TWh
Power Plants	2,653
Utilities	1,202
Ranked #2 out of 65 in terms of net annual generation
Ranked #2 out of 53 in terms of annual generation from natural gas
Power Plant Types	Natural Gas \| 36.6% Coal \| 28.1% Wind \| 15.6% Nuclear \| 14.4% Solar \| 3.2% Water \| 1.7% Other Fuel \| 0.4%

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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
RS Cogen	Westlake 2 US LLC	Lake Charles, LA	2 TWh	Nov 2002	Mar 2025	Natural Gas
Rothschild Biomass Cogen Facility	Wisconsin Electric Power Co	Rothschild, WI	143 GWh	Oct 2013	Dec 2023	Wood/Wood Waste Solids : 96.1% Natural Gas : 3.9%
Rosewater Wind Farm	Rosewater Wind Farm LLC	Chalmers, IN	327 GWh	Nov 2020	Mar 2025	Wind
Rosemount Community Solar	Rosemount Community Solar	Rosemount, MN	8 GWh	Nov 2016	Dec 2023	Solar
Roseman	Roseman Energy, LLC	Anita, IA	7 GWh	Jan 2017	Dec 2023	Wind
Roquette America	Roquette America	Keokuk, IA	199 GWh	Jun 2004	Feb 2025	Natural Gas
Rollingstone Holdco CSG	Rollingstone Holdco LLC	Rollingstone, MN	7 GWh	Jul 2019	Dec 2023	Solar
Rolling Hills Wind Farm	MidAmerican Energy Co	Massena, IA	2 TWh	Nov 2011	Mar 2025	Wind
Rogers	Consumers Energy Co - (MI)	Big Rapids, MI	23 GWh	Dec 1921	Dec 2023	Water
Roeder Family Wind Farm LLC	Consolidated Edison Development Inc.	Manly, IA	5 GWh	Aug 2011	Dec 2023	Wind
Rockville Solar II, LLC	Greenbacker Renewable Energy Corporation	Indianapolis, IN	3 GWh	Jul 2014	Dec 2023	Solar
Rockville Solar I LLC	Greenbacker Renewable Energy Corporation	Indianapolis, IN	4 GWh	Mar 2014	Dec 2023	Solar
Rockton	Eagle Creek Renewable Energy, LLC	Rockton, IL	6 GWh	Dec 1928	Dec 2023	Water
RockGen Energy Center	Dairyland Power Coop	Cambridge, WI	392 GWh	May 2001	Mar 2025	Natural Gas : 99.2% Distillate Fuel Oil : 0.8%
Rockford Solar	Rockford Solar, LLC	Rockford, IL	4 GWh	Nov 2021	Dec 2023	Solar
Rockford CS 2	Rockford CS 2, LLC	Rockford, IL	4 GWh	Mar 2021	Dec 2023	Solar
Rockford CS 1	Rockford CS 1, LLC	Rockford, IL	4 GWh	Mar 2021	Dec 2023	Solar
Rock Lake CT	Great River Energy	Pine City, MN	235 MWh	Mar 1978	Dec 2023	Distillate Fuel Oil
Rock County Wind Fuel, LLC	Rock County Wind Fuel, LLC	Luverne, MN	18 GWh	Apr 2020	Dec 2023	Wind
Rock Aetna Power Partners	Northern States Power Co - Minnesota	Woodstock, MN	79 GWh	Nov 2022	Dec 2023	Wind
Rochester Hydro	Rochester Public Utilities	Mazeppa, MN	10 GWh	Aug 1984	Dec 2023	Water
Robert D Willis	USACE-Fort Worth District	Jasper, TX	4 GWh	Nov 1989	Dec 2023	Water
Robert A Reid	Big Rivers Electric Corp	Robards, KY	6 GWh	Dec 1965	Dec 2023	Natural Gas
Roberds Garden CSG	Roberds Garden LLC	Faribault, MN	2 GWh	Aug 2019	Dec 2023	Solar
RJC II Community Solar Garden	RJC II CSG LLC	Owatonna, MN	2 GWh	May 2018	Dec 2023	Solar
RJC I CSG	RJC I CSG LLC	Owatonna, MN	2 GWh	Jun 2018	Dec 2023	Solar
RJC CSG, LLC	Madison Energy Holdings LLC	Owatonna,, MN	2 GWh	May 2021	Dec 2023	Solar
Riverview Energy Systems	Riverview Energy Systems	Riverview, MI	28 GWh	Dec 1987	Dec 2023	Landfill Gas
Riverside (MN)	Northern States Power Co - Minnesota	Minneapolis, MN	2 TWh	Mar 1987	Mar 2025	Natural Gas
Riverside Energy Center	Wisconsin Power & Light Co	Beloit, WI	3 TWh	May 2004	Mar 2025	Natural Gas
River Hills	MidAmerican Energy Co	Des Moines, IA	2 GWh	Apr 1966	Dec 2023	Natural Gas
River Fork Solar, LLC	River Fork Solar, LLC	Albion, MI	69 GWh	-	Mar 2025	Solar
River Bend	Entergy Louisiana LLC	St. Francisville, LA	8 TWh	May 1986	Feb 2025	Nuclear
Rippey Wind Farm	Greenbacker Renewable Energy Corporation	Grand Junction, IA	151 GWh	Jul 2012	Dec 2023	Wind
Riley Generating Station	City of Zeeland - (MI)	Zeeland, MI	70 MWh	Jun 2006	Dec 2023	Natural Gas
Ridgewind	Ridgewind Power Partners LLC	Woodstock, MN	79 GWh	Dec 2010	Dec 2023	Wind
Ridgeview	WM Renewable Energy LLC	Whitelaw, WI	37 GWh	Aug 2002	Dec 2023	Landfill Gas
Ridge Farm	Ridge Farm Solar 1 LLC	Ridge Farm, IL	4 GWh	Nov 2020	Dec 2023	Solar
Richmond CSG	SoCore Energy LLC	Richmond, MN	9 GWh	Nov 2017	Dec 2023	Solar
RIchland Township Solar, LLC	Birch Creek Development	Washburn, IL	12 GWh	-	Mar 2025	Solar
Richland Center Renewable Energy LLC	Richland Center Renewable Energy LLC	Richland Center, WI	6 GWh	Feb 2013	Dec 2023	Other Biomass Gas
Richland	Interstate Power and Light Co	Odebolt, IA	526 GWh	Aug 2020	Mar 2025	Wind
Rice Lake Solar Array	AEP Onsite Partners, LLC	Rice Lake, WI	7 GWh	May 2019	Dec 2023	Solar
Rhinelander Mill	Ahlstrom-Munksjo	Rhinelander, WI	5 GWh	Nov 1917	Mar 2025	Water
Reynolds	City of Springfield - (IL)	Springfield, IL	66 MWh	Oct 1970	Dec 2023	Distillate Fuel Oil
Rensselaer Solar Site 2	Indiana Municipal Power Agency	Rensselaer, IN	7 GWh	Nov 2018	Dec 2023	Solar
Rengstorf Solar CSG	National Grid Renewables	Coutland, MN	9 GWh	Oct 2017	Dec 2023	Solar
Renewable Energy Center at BJH	Union Electric Co - (MO)	St Louis, MO	1 GWh	Sep 2019	Dec 2023	Solar
Renaissance Power Plant	DTE Electric Company	Carson City, MI	1 TWh	Feb 2002	Mar 2025	Natural Gas
Remmel	Entergy Arkansas LLC	Malvern, AR	40 GWh	Dec 1924	Dec 2023	Water
Regal Ware	Wisconsin Electric Power Co	West Bend, WI	3 GWh	Mar 2021	Dec 2023	Solar
REG Juhl Glenville Wind, LLC	REG Juhl Glenville Wind, LLC	Albert Lea, MN	8 GWh	Nov 2020	Dec 2023	Wind
Redwood Falls Wind	Southern Minnesota Mun P Agny	Redwood Falls, MN	7 GWh	Nov 2004	Dec 2023	Wind
Redwood Falls	Redwood Falls Public Util Comm	Redwood Falls, MN	880 MWh	Dec 1969	Dec 2023	Water : 48.9% Natural Gas : 34.6% Distillate Fuel Oil : 16.6%
Red Wing Community Solar	Terraform Arcadia	Red Wing, MN	7 GWh	Nov 2016	Dec 2023	Solar
Red Wing	Northern States Power Co - Minnesota	Red Wing, MN	110 GWh	Sep 1949	Mar 2025	Non-biogenic Municipal Solid Waste : 52.9% Biogenic Municipal Solid Waste : 43.3% Wood/Wood Waste Solids : 3.3% Natural Gas : 0.6%
Red Rock Hydro Plant	Western Minnesota Mun Pwr Agny	Pella, IA	146 GWh	Apr 2021	Mar 2025	Water
Red Pine Wind Project	EDF Renewable Asset Holdings, Inc.	Ivanhoe, MN	722 GWh	Nov 2017	Mar 2025	Wind
Red Maple Solar	Terraform Arcadia	Cleveland, MN	5 GWh	May 2018	Dec 2023	Solar
Red Lake Falls Community Hybrid	Consolidated Edison Development Inc.	Red Lake Falls, MN	16 GWh	Nov 2020	Dec 2023	Wind : 95.2% Solar : 4.8%
Red Bud	City of Red Bud - (IL)	Red Bud, IL	123 MWh	Feb 1959	Dec 2023	Distillate Fuel Oil
Red Barn Energy	Wisconsin Public Service Corp	Montfort, WI	272 GWh	Mar 2023	Mar 2025	Wind
RC Thomas Hydroelectric Project	East Texas Electric Coop, Inc	Livingston, TX	122 GWh	Jun 2020	Mar 2025	Water
Rapids Energy Center	ALLETE, Inc.	Grand Rapids, MN	34 GWh	Dec 1942	Dec 2023	Natural Gas : 77.3% Water : 22.7%
Rapide Croche	City of Kaukauna	Kaukana, WI	15 GWh	Dec 1925	Dec 2023	Water
Rantoul Solar	Altorfer Inc.	Rantoul, IL	3 GWh	Nov 2016	Dec 2023	Solar
Rantoul	Village of Rantoul - (IL)	Rantoul, IL	149 MWh	Dec 1950	Mar 2025	Distillate Fuel Oil
Randolph CSG PV1-5	Ecoplexus, Inc	Randolph, MN	8 GWh	May 2019	Dec 2023	Solar
Rail Splitter Wind Farm	Rail Splitter Wind Farm LLC	Hopedale, IL	256 GWh	Jul 2009	Dec 2023	Wind
Ragsdale Solar LLC	Ragsdale Solar, LLC	Canton, MS	69 GWh	-	Mar 2025	Solar
Rafterville Solar	Rafterville Solar, LLC	Atwater, MN	940 MWh	Jun 2023	Dec 2023	Solar
Raccoon Creek Energy Center	Union Electric Co - (MO)	Flora, IL	778 MWh	May 2002	Dec 2023	Natural Gas
R S Nelson	Entergy Louisiana LLC	Westlake, LA	1 TWh	Jan 1959	Mar 2025	Subbituminous Coal : 99.5% Distillate Fuel Oil : 0.5%
R M Schahfer	Northern Indiana Pub Serv Co	Wheatfield, IN	2 TWh	Nov 1976	Mar 2025	Bituminous Coal : 96.6% Natural Gas : 3.4%
R M Heskett	Montana-Dakota Utilities Co	Mandan, ND	28 GWh	Oct 1954	Mar 2025	Natural Gas
R D Morrow	Cooperative Energy	Purvis, MS	3 TWh	Mar 1978	Mar 2025	Natural Gas
R D Green	Big Rivers Electric Corp	Robards, KY	634 GWh	Nov 1979	Mar 2025	Natural Gas
Quilt Block Wind Farm LLC	Quilt Block Wind Farm LLC	Darlington, WI	406 GWh	Aug 2017	Mar 2025	Wind
Quartz Solar, LLC	Quartz Solar, LLC	Wynne, AR	26 GWh	-	Mar 2025	Solar
Purdue University	Purdue University	West Lafayette, IN	121 GWh	Dec 1968	Mar 2025	Natural Gas : 92.4% Bituminous Coal : 7.6%
Purdue CHP	Duke Energy Indiana, LLC	West Lafayette, IN	121 GWh	Feb 2022	Dec 2023	Natural Gas
Pullman Solar, LLC	AES Distributed Energy	Lee Township, MI	36 GWh	Nov 2022	Dec 2023	Solar
Pulliam	Wisconsin Public Service Corp	Green Bay, WI	67 GWh	Aug 1949	Mar 2025	Natural Gas
Princeton (MN)	Princeton Public Utils Comm	Princeton, MN	179 MWh	Aug 1953	Dec 2023	Distillate Fuel Oil
Princeton (IL)	City of Princeton - (IL)	Princeton, IL	1 GWh	Jun 1953	Dec 2023	Natural Gas : 99.0% Distillate Fuel Oil : 1.0%
Primrose Solar, LLC	National Grid Renewables	Mankato, MN	2 GWh	Mar 2021	Dec 2023	Solar
Primient Decatur Plant Cogen	Primary Products Ingredients Americas, LLC	Decatur, IL	301 GWh	Dec 1988	Dec 2023	Natural Gas
Primient	Primary Products Ingredients Americas, LLC d/b/a Primient	Lafayette, IN	389 GWh	May 2021	Dec 2023	Natural Gas
Prickett	Upper Peninsula Power Company	Pelkie, MI	8 GWh	Oct 1931	Dec 2023	Water
Preston (MN)	Preston Public Utilities Comm	Preston, MN	130 MWh	Dec 1948	Dec 2023	Natural Gas : 83.1% Distillate Fuel Oil : 16.9%
Preston (IA)	City of Preston	Preston, IA	54 MWh	Nov 1968	Dec 2023	Distillate Fuel Oil : 59.1% Natural Gas : 40.9%
Prescott Wind Farm	Prescott Wind Energy LLC	Prescott, IA	97 GWh	-	Mar 2025	Wind
Prawer Project CSG	Prawer Community Solar LLC	Clear Lake, MN	2 GWh	Dec 2019	Dec 2023	Solar
Prairie Wolf Solar LLC	National Grid Renewables	Ashmore Township, IL	368 GWh	Oct 2021	Mar 2025	Solar
Prairie Wind Farm	MidAmerican Energy Co	Montezuma, IA	608 GWh	Dec 2017	Mar 2025	Wind
Prairie View I & II LFGTE	Wabash Valley Power Assn, Inc	Wyatt, IN	31 GWh	Sep 1994	Dec 2023	Landfill Gas
Prairie State Solar Project	Prairie State Solar, LLC	Swanwick Township, IL	233 GWh	Jun 2021	Mar 2025	Solar
Prairie State Generating Station	Prairie State Generating Co LLC	Marissa, IL	11 TWh	May 2012	Mar 2025	Bituminous Coal : 99.8%
Prairie Star Wind Farm	High Prairie Wind Farm II LLC	Grand Meadow, MN	259 GWh	Nov 2007	Dec 2023	Wind
Prairie Rose Wind Farm	Enel Green Power NA, Inc.	Hardwick, MN	403 GWh	Nov 2012	Mar 2025	Wind

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	734.7 GWh	4
#27	Associated Electric Cooperative, Inc.	22.8 TWh	47
#13	Duke Energy Carolinas	111.4 TWh	556
#52	Duke Energy Progress West	4.1 TWh	10
#24	Louisville Gas and Electric Company and Kentucky Utilities Company	33.8 TWh	20
#1	PJM Interconnection, LLC	858.1 TWh	2,305
#20	Public Service Company of Colorado	48.7 TWh	201
#5	Southwest Power Pool	297.0 TWh	762
#51	Southwestern Power Administration	4.2 TWh	31
#8	Tennessee Valley Authority	158.8 TWh	170

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	858.1 TWh	2,305
#2	Midcontinent Independent System Operator, Inc.	642.8 TWh	2,653
#3	Electric Reliability Council of Texas, Inc.	476.4 TWh	1,139
#5	Southwest Power Pool	297.0 TWh	762
#6	Southern Company Services, Inc. - Trans	252.0 TWh	393
#7	California Independent System Operator	190.4 TWh	1,943
#8	Tennessee Valley Authority	158.8 TWh	170
#10	Florida Power & Light Co.	148.6 TWh	159
#12	New York Independent System Operator	130.6 TWh	1,100
#13	Duke Energy Carolinas	111.4 TWh	556