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	Apr 2026
Annual Generation	664.4 TWh
Power Plants	2,831
Utilities	1,296
Ranked #2 out of 65 in terms of net annual generation
Ranked #2 out of 54 in terms of annual generation from natural gas
Power Plant Types	Natural Gas \| 36.9% Coal \| 27.6% Wind \| 14.8% Nuclear \| 13.6% Solar \| 5% 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
Prairie View I & II LFGTE	Wabash Valley Power Assn, Inc	Wyatt, IN	31 GWh	Sep 1994	Dec 2023	Landfill Gas
Prairie Wind Farm	MidAmerican Energy Co	Montezuma, IA	590 GWh	Dec 2017	Feb 2026	Wind
Prairie Wolf Solar LLC	National Grid Renewables	Ashmore Township, IL	378 GWh	Oct 2021	Feb 2026	Solar
Prawer Project CSG	Prawer Community Solar LLC	Clear Lake, MN	2 GWh	Dec 2019	Dec 2024	Solar
Prescott Wind Farm	Prescott Wind Energy LLC	Prescott, IA	142 GWh	Aug 2024	Feb 2026	Wind
Preston Garden (CSG)	Preston Garden LLC	Franklin, MN	785 MWh	Jul 2024	Dec 2024	Solar
Preston (IA)	City of Preston	Preston, IA	9 MWh	Nov 1968	Dec 2024	Natural Gas : 89.7% Distillate Fuel Oil : 10.3%
Preston (MN)	Preston Public Utilities Comm	Preston, MN	163 MWh	Dec 1948	Dec 2024	Distillate Fuel Oil : 62.3% Natural Gas : 37.7%
Prickett	Upper Peninsula Power Company	Pelkie, MI	7 GWh	Oct 1931	Dec 2024	Water
Primient	Primary Products Ingredients Americas, LLC d/b/a Primient	Lafayette, IN	406 GWh	May 2021	Dec 2024	Natural Gas
Primient Decatur Plant Cogen	Primary Products Ingredients Americas, LLC	Decatur, IL	254 GWh	Dec 1988	Dec 2024	Natural Gas
Primrose Solar, LLC	National Grid Renewables	Mankato, MN	2 GWh	Mar 2021	Dec 2024	Solar
Princeton (IL)	City of Princeton - (IL)	Princeton, IL	434 MWh	Jun 1953	Dec 2024	Natural Gas : 99.8%
Princeton (MN)	Princeton Public Utils Comm	Princeton, MN	134 MWh	Aug 1953	Dec 2024	Distillate Fuel Oil
Prosperity Wind	Prosperity Wind, LLC	Deland, IL	833 GWh	-	Feb 2026	Wind
Pulliam	Wisconsin Public Service Corp	Green Bay, WI	111 GWh	Aug 1949	Feb 2026	Natural Gas
Pullman Solar, LLC	AES Distributed Energy	Lee Township, MI	38 GWh	Nov 2022	Dec 2024	Solar
Purdue CHP	Duke Energy Indiana, LLC	West Lafayette, IN	123 GWh	Feb 2022	Dec 2024	Natural Gas
Purdue University	Purdue University	West Lafayette, IN	99 GWh	Dec 1968	Feb 2026	Natural Gas : 92.5% Bituminous Coal : 7.5%
Putnam Solar 1	Pivot Energy	Granville, IL	2 GWh	Apr 2024	Dec 2024	Solar
Putnam Solar 1B	Pivot Energy	Granville, IL	2 GWh	May 2024	Dec 2024	Solar
Quartz Solar, LLC	Quartz Solar, LLC	Wynne, AR	299 GWh	-	Feb 2026	Solar
Quilt Block Wind Farm LLC	Quilt Block Wind Farm LLC	Darlington, WI	371 GWh	Aug 2017	Feb 2026	Wind
R D Green	Big Rivers Electric Corp	Robards, KY	701 GWh	Nov 1979	Feb 2026	Natural Gas
R D Morrow	Cooperative Energy	Purvis, MS	3 TWh	Mar 1978	Feb 2026	Natural Gas
R M Heskett	Montana-Dakota Utilities Co	Mandan, ND	55 GWh	Oct 1954	Feb 2026	Natural Gas
R M Schahfer	Northern Indiana Pub Serv Co	Wheatfield, IN	1 TWh	Nov 1976	Feb 2026	Bituminous Coal : 94.3% Natural Gas : 5.7%
R S Nelson	Entergy Louisiana LLC	Westlake, LA	2 TWh	Jan 1959	Feb 2026	Subbituminous Coal : 99.7%
Rafterville Solar	Rafterville Solar, LLC	Atwater, MN	2 GWh	Jun 2023	Dec 2024	Solar
Ragsdale Solar LLC	Ragsdale Solar, LLC	Canton, MS	238 GWh	Oct 2024	Feb 2026	Solar
Rail Splitter Wind Farm	Rail Splitter Wind Farm LLC	Hopedale, IL	278 GWh	Jul 2009	Dec 2024	Wind
Randolph CSG PV1-5	Ecoplexus, Inc	Randolph, MN	5 GWh	May 2019	Dec 2024	Solar
Rantoul	Village of Rantoul - (IL)	Rantoul, IL	250 MWh	Dec 1950	Feb 2026	Distillate Fuel Oil
Rantoul Solar	Altorfer Inc.	Rantoul, IL	3 GWh	Nov 2016	Dec 2024	Solar
Rapide Croche	City of Kaukauna	Kaukana, WI	17 GWh	Dec 1925	Dec 2024	Water
Rapids Energy Center	ALLETE, Inc.	Grand Rapids, MN	40 GWh	Dec 1942	Dec 2024	Natural Gas : 77.3% Water : 22.7%
RATTS 1	Ratts 1 Solar LLC	Petersburg, IN	81 GWh	-	Feb 2026	Solar
RC Thomas Hydroelectric Project	East Texas Electric Coop, Inc	Livingston, TX	113 GWh	Jun 2020	Feb 2026	Water
Red Barn Energy	Wisconsin Public Service Corp	Montfort, WI	253 GWh	Mar 2023	Feb 2026	Wind
Red Bud	City of Red Bud - (IL)	Red Bud, IL	121 MWh	Feb 1959	Dec 2024	Distillate Fuel Oil
Red Lake Falls Community Hybrid	Consolidated Edison Development Inc.	Red Lake Falls, MN	14 GWh	Nov 2020	Dec 2024	Wind : 95.1% Solar : 4.9%
Red Maple Solar	Terraform Arcadia	Cleveland, MN	5 GWh	May 2018	Dec 2024	Solar
Red Pine Wind Project	EDF Renewable Asset Holdings, Inc.	Ivanhoe, MN	762 GWh	Nov 2017	Feb 2026	Wind
Red Rock Hydro Plant	Western Minnesota Mun Pwr Agny	Pella, IA	202 GWh	Apr 2021	Feb 2026	Water
Red Wing	Northern States Power Co - Minnesota	Red Wing, MN	128 GWh	Sep 1949	Feb 2026	Non-biogenic Municipal Solid Waste : 52.9% Biogenic Municipal Solid Waste : 43.3% Wood/Wood Waste Solids : 3.1% Natural Gas : 0.8%
Red Wing Community Solar	Terraform Arcadia	Red Wing, MN	8 GWh	Nov 2016	Dec 2024	Solar
Redwood Falls	Redwood Falls Public Util Comm	Redwood Falls, MN	3 GWh	Dec 1969	Dec 2024	Water : 82.6% Natural Gas : 12.7% Distillate Fuel Oil : 4.7%
Redwood Falls Wind	Southern Minnesota Mun P Agny	Redwood Falls, MN	10 GWh	Nov 2004	Dec 2024	Wind
REG Juhl Glenville Wind, LLC	REG Juhl Glenville Wind, LLC	Albert Lea, MN	9 GWh	Nov 2020	Dec 2024	Wind
Regal Ware	Wisconsin Electric Power Co	West Bend, WI	3 GWh	Mar 2021	Dec 2024	Solar
Remmel	Entergy Arkansas LLC	Malvern, AR	30 GWh	Dec 1924	Dec 2024	Water
Renaissance Power Plant	DTE Electric Company	Carson City, MI	1 TWh	Feb 2002	Feb 2026	Natural Gas
Renewable Energy Center at BJH	Union Electric Co - (MO)	St Louis, MO	846 MWh	Sep 2019	Dec 2024	Solar
Rengstorf Solar CSG	National Grid Renewables	Coutland, MN	9 GWh	Oct 2017	Dec 2024	Solar
Rensselaer Solar Site 2	Indiana Municipal Power Agency	Rensselaer, IN	8 GWh	Nov 2018	Dec 2024	Solar
Reynolds	City of Springfield - (IL)	Springfield, IL	81 MWh	Oct 1970	Dec 2024	Distillate Fuel Oil
Rhinelander Mill	Ahlstrom-Munksjo	Rhinelander, WI	6 GWh	Nov 1917	Feb 2026	Water
Rice Lake Solar Array	AEP Onsite Partners, LLC	Rice Lake, WI	7 GWh	May 2019	Dec 2024	Solar
Richland Center Renewable Energy LLC	Richland Center Renewable Energy LLC	Richland Center, WI	6 GWh	Feb 2013	Dec 2024	Other Biomass Gas
Richland (IA)	Interstate Power and Light Co	Odebolt, IA	483 GWh	Aug 2020	Feb 2026	Wind
Richland Township Solar, LLC	Birch Creek Power, LLC	Washburn, IL	77 GWh	-	Feb 2026	Solar
Richmond CSG	SoCore Energy LLC	Richmond, MN	9 GWh	Nov 2017	Dec 2024	Solar
Ridge Farm	Ridge Farm Solar 1 LLC	Ridge Farm, IL	4 GWh	Nov 2020	Dec 2024	Solar
Ridgeview	WM Renewable Energy LLC	Whitelaw, WI	36 GWh	Aug 2002	Dec 2024	Landfill Gas
Ridgewind	Ridgewind Power Partners LLC	Woodstock, MN	81 GWh	Dec 2010	Dec 2024	Wind
Riley Generating Station	City of Zeeland - (MI)	Zeeland, MI	169 MWh	Jun 2006	Dec 2024	Natural Gas
Rippey Wind Farm	Greenbacker Renewable Energy Corporation	Grand Junction, IA	154 GWh	Jul 2012	Dec 2024	Wind
River Bend	Entergy Louisiana LLC	St. Francisville, LA	7 TWh	May 1986	Feb 2026	Nuclear
River Fork Solar, LLC	River Fork Solar, LLC	Albion, MI	294 GWh	Sep 2024	Feb 2026	Solar
River Hills	MidAmerican Energy Co	Des Moines, IA	1 GWh	Apr 1966	Dec 2024	Natural Gas
Rivercrest SD	Entegrity Solar Rivercrest SD, LLC	Wilson, AR	2 GWh	Feb 2022	Dec 2024	Solar
Riverside Energy Center	Wisconsin Power & Light Co	Beloit, WI	3 TWh	May 2004	Feb 2026	Natural Gas
Riverside (MN)	Northern States Power Co - Minnesota	Minneapolis, MN	50 GWh	Mar 1987	Feb 2026	Natural Gas
Riverview Energy Systems	Riverview Energy Systems	Riverview, MI	1 GWh	Dec 1987	Dec 2024	Landfill Gas
RJC CSG, LLC	Madison Energy Holdings LLC	Owatonna,, MN	2 GWh	May 2021	Dec 2024	Solar
RJC I CSG	RJC I CSG LLC	Owatonna, MN	2 GWh	Jun 2018	Dec 2024	Solar
RJC II Community Solar Garden	RJC II CSG LLC	Owatonna, MN	2 GWh	May 2018	Dec 2024	Solar
Roberds Garden CSG	Roberds Garden LLC	Faribault, MN	2 GWh	Aug 2019	Dec 2024	Solar
Robert A Reid	Big Rivers Electric Corp	Robards, KY	21 GWh	Dec 1965	Aug 2024	Natural Gas
Rochester Hydro	Rochester Public Utilities	Mazeppa, MN	10 GWh	Aug 1984	Dec 2024	Water
Rock Aetna Power Partners	Northern States Power Co - Minnesota	Woodstock, MN	82 GWh	Nov 2022	Dec 2024	Wind
Rock County Wind Fuel, LLC	Rock County Wind Fuel, LLC	Luverne, MN	20 GWh	Apr 2020	Dec 2024	Wind
Rock Lake CT	Great River Energy	Pine City, MN	270 MWh	Mar 1978	Dec 2024	Distillate Fuel Oil
Rockford	City of Rockford- (IA)	Rockford, IA	4 MWh	Jul 1951	Dec 2024	Distillate Fuel Oil
Rockford CS 1	Rockford CS 1, LLC	Rockford, IL	4 GWh	Mar 2021	Dec 2024	Solar
Rockford CS 2	Rockford CS 2, LLC	Rockford, IL	4 GWh	Mar 2021	Dec 2024	Solar
Rockford Solar	Rockford Solar, LLC	Rockford, IL	4 GWh	Nov 2021	Dec 2024	Solar
RockGen Energy Center	Dairyland Power Coop	Cambridge, WI	518 GWh	May 2001	Feb 2026	Natural Gas : 97.8% Distillate Fuel Oil : 2.2%
Rockton	Eagle Creek Renewable Energy, LLC	Rockton, IL	6 GWh	Dec 1928	Dec 2024	Water
Rockville Solar I LLC	Greenbacker Renewable Energy Corporation	Indianapolis, IN	3 GWh	Mar 2014	Dec 2024	Solar
Rockville Solar II, LLC	Greenbacker Renewable Energy Corporation	Indianapolis, IN	812 MWh	Jul 2014	Dec 2024	Solar
Roeder Family Wind Farm LLC	Consolidated Edison Development Inc.	Manly, IA	5 GWh	Aug 2011	Dec 2024	Wind
Rogers	Consumers Energy Co - (MI)	Big Rapids, MI	16 GWh	Dec 1921	Dec 2024	Water
Rolling Hills Wind Farm	MidAmerican Energy Co	Massena, IA	2 TWh	Nov 2011	Feb 2026	Wind
Rollingstone Holdco CSG	Rollingstone Holdco LLC	Rollingstone, MN	8 GWh	Jul 2019	Dec 2024	Solar
Roquette America	Roquette America	Keokuk, IA	236 GWh	Jun 2004	Feb 2026	Natural Gas
Roseman	Roseman Energy, LLC	Anita, IA	7 GWh	Jan 2017	Dec 2024	Wind
Rosemount Community Solar	Rosemount Community Solar	Rosemount, MN	8 GWh	Nov 2016	Dec 2024	Solar
Rosewater Wind Farm	Rosewater Wind Farm LLC	Chalmers, IN	307 GWh	Nov 2020	Feb 2026	Wind
Rothschild Biomass Cogen Facility	Wisconsin Electric Power Co	Rothschild, WI	153 GWh	Oct 2013	Dec 2024	Wood/Wood Waste Solids : 97.4% Natural Gas : 2.6%

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#60	Alcoa Power Generating, Inc. - Yadkin Division	582.3 GWh	4
#27	Associated Electric Cooperative, Inc.	23.9 TWh	47
#13	Duke Energy Carolinas	112.5 TWh	565
#52	Duke Energy Progress West	4.4 TWh	10
#23	Louisville Gas and Electric Company and Kentucky Utilities Company	34.0 TWh	25
#1	PJM Interconnection, LLC	881.5 TWh	2,465
#6	Southern Company Services, Inc. - Trans	250.9 TWh	417
#5	Southwest Power Pool	302.9 TWh	835
#51	Southwestern Power Administration	4.6 TWh	34
#9	Tennessee Valley Authority	163.1 TWh	204

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	881.5 TWh	2,465
#2	Midcontinent Independent System Operator, Inc.	664.4 TWh	2,831
#3	Electric Reliability Council of Texas, Inc.	488.2 TWh	1,313
#5	Southwest Power Pool	302.9 TWh	835
#6	Southern Company Services, Inc. - Trans	250.9 TWh	417
#7	California Independent System Operator	176.8 TWh	2,075
#9	Tennessee Valley Authority	163.1 TWh	204
#10	Florida Power & Light Co.	150.9 TWh	187
#12	New York Independent System Operator	134.4 TWh	1,211
#13	Duke Energy Carolinas	112.5 TWh	565