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	Jul 2026
Annual Generation	669.4 TWh
Power Plants	3,038
Utilities	1,345
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% Coal \| 26.5% Wind \| 14.9% Nuclear \| 13.9% Solar \| 5.7% Water \| 1.4% Other Fuel \| 0.6%

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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
Emily Solar, LLC	RWE Clean Energy	Casey, IL	235 GWh	Nov 2025	May 2026	Solar
Casey City of	City of Casey - (IL)	Casey, IL	80 MWh	Apr 2002	Dec 2025	Distillate Fuel Oil
Wind Turbine	Madison Gas & Electric Co	Casco, WI	12 GWh	May 1999	Dec 2025	Wind
Cascade	Cascade Municipal Utilities - (IA)	Cascade, IA	31 MWh	Mar 1951	Dec 2025	Distillate Fuel Oil
John A Logan College Solar	REA Investments, LLC	Carterville, IL	2 GWh	Nov 2019	Dec 2025	Solar
Hurricane Creek CSG	SPG IL Hurricane Creek Solar LLC	Carterville, IL	4 GWh	May 2021	Dec 2025	Solar
SV CSG Gander Farms 1 A	SV CSG Gander Farms 1 A, LLC	Carterville, IL	188 MWh	Oct 2025	Dec 2025	Solar
Gratiot Farms Wind Project	Consumers Energy Co - (MI)	Carson City, MI	333 GWh	Nov 2020	May 2026	Wind
Renaissance Power Plant	DTE Electric Company	Carson City, MI	1 TWh	Feb 2002	May 2026	Natural Gas
Carroll Wind Farm	MidAmerican Energy Co	Carroll, IA	557 GWh	Nov 2008	Dec 2025	Wind
POET Biorefining Caro, LLC	POET Biorefining Caro, LLC	Caro, MI	13 GWh	May 2018	Dec 2025	Natural Gas
Boomtown Renewable Energy Center	Union Electric Co - (MO)	Carmi, IL	290 GWh	Nov 2024	May 2026	Solar
Carmi	City of Carmi - (IL)	Carmi, IL	230 MWh	Nov 1948	Dec 2024	Distillate Fuel Oil
Carlyle	City of Carlyle - (IL)	Carlyle, IL	208 MWh	Jul 1964	Dec 2025	Distillate Fuel Oil
Clinton Solar 4b	Pivot Energy	Carlyle, IL	2 GWh	May 2025	Dec 2025	Solar
Clinton Solar 4 LLC CSG	Clinton Solar 4 LLC	Carlyle, IL	3 GWh	Sep 2020	Dec 2025	Solar
Thomson	ALLETE, Inc.	Carlton, MN	198 GWh	Dec 1906	Dec 2025	Water
White Oak Energy LLC	White Oak Energy LLC	Carlock, IL	400 GWh	May 2011	Dec 2025	Wind
SIUC	Southern Illinois University Carbondale	Carbondale, IL	9 GWh	May 1998	May 2026	Bituminous Coal
Cape Girardeau Renewable Energy Center	Union Electric Co - (MO)	Cape Girardeau, MO	2 GWh	Oct 2021	Dec 2025	Solar
Ragsdale Solar LLC	Ragsdale Solar, LLC	Canton, MS	242 GWh	Oct 2024	May 2026	Solar
IKEA Canton Rooftop PV System	IKEA Property Inc	Canton, MI	264 MWh	Oct 2015	Dec 2025	Solar
Buckheart Creek Solar I Community Solar	Buckheart Creek Solar 1, LLC	Canton, IL	37 MWh	Nov 2025	Dec 2025	Solar
Cannon Falls Energy Center	Invenergy Services LLC	Cannon Falls, MN	954 GWh	Mar 2008	May 2026	Natural Gas : 99.1% Distillate Fuel Oil : 0.9%
Auburn Solar WI, LLC	Wisconsin Electric Power Co	Campbellsport, WI	9 GWh	Nov 2024	Dec 2025	Solar
McClellan (AR)	Arkansas Electric Coop Corp	Camden, AR	27 GWh	Apr 1972	Oct 2025	Natural Gas : 85.3% Distillate Fuel Oil : 14.7%
RockGen Energy Center	Dairyland Power Coop	Cambridge, WI	625 GWh	May 2001	May 2026	Natural Gas : 98.1% Distillate Fuel Oil : 1.9%
Cambridge CT Hybrid	Great River Energy	Cambridge, MN	101 GWh	Apr 1978	Dec 2025	Natural Gas : 91.7% Distillate Fuel Oil : 8.3%
GRE Cambridge Solar	SoCore Energy LLC	Cambridge, MN	4 GWh	Nov 2019	Dec 2025	Solar
Bishop Hill II Wind Farm	Bishop Hill Energy II, LLC	Cambridge, IL	334 GWh	Sep 2012	Dec 2025	Wind
Bishop Hill III	Invenergy Services LLC	Cambridge, IL	426 GWh	May 2018	May 2026	Wind
Glacier Hills	Wisconsin Electric Power Co	Cambria, WI	336 GWh	Nov 2011	May 2026	Wind
Caledonia Solar WI, LLC	Wisconsin Electric Power Co	Caledonia, WI	9 GWh	Mar 2025	Dec 2025	Solar
Cadillac Renewable Energy	Cadillac Renewable Energy LLC	Cadillac, MI	169 GWh	Jul 1993	Dec 2025	Wood/Wood Waste Solids
Bear Grove Solar	Bear Grove Solar, LLC	Byron, MN	2 GWh	Jan 2023	Dec 2025	Solar
Tweite Community Solar LLC	Tweite Community Solar LLC	Byron, MN	2 GWh	Oct 2020	Dec 2025	Solar
Lange Solar	Arcadia Solar, LLC	Byron, MN	2 GWh	Aug 2019	Dec 2025	Solar
Novel DeCook Solar CSG	REA Investments, LLC	Byron, MN	2 GWh	Feb 2020	Dec 2025	Solar
Hwy 14 Holdco Solar CSG	Hwy 14 Holdco, LLC	Byron, MN	7 GWh	Jun 2017	Dec 2025	Solar
Novel Byron Solar CSG	REA Investments, LLC	Byron, MN	2 GWh	Apr 2020	Dec 2025	Solar
Novel Bartel Solar CSG	REA Investments, LLC	Byron, MN	2 GWh	Mar 2020	Dec 2025	Solar
Bryon Center	Energy Developments, Inc d/b/a EDL	Byron Center, MI	31 GWh	Feb 2009	Dec 2025	Landfill Gas
Bushnell	City of Bushnell - (IL)	Bushnell, IL	78 MWh	May 1940	Dec 2025	Distillate Fuel Oil
Black Dog	Northern States Power Co - Minnesota	Burnsville, MN	870 GWh	Sep 1954	Dec 2025	Natural Gas
ArcelorMittal Burns Harbor	Cleveland-Cliffs Burns Harbor LLC	Burns Harbor, IN	719 GWh	Dec 1968	Dec 2025	Blast Furnace Gas : 37.1% Natural Gas : 32.1% Other Gas : 30.8%
Spring Prairie Solar WI, LLC	Wisconsin Electric Power Co	Burlington, WI	13 GWh	Nov 2023	Dec 2025	Solar
Burlington (IA)	Interstate Power and Light Co	Burlington, IA	26 GWh	May 1968	May 2026	Natural Gas
French Road Solar II	French Road Solar II, LLC	Burlington, IL	4 GWh	Feb 2022	Dec 2025	Solar
Lake Pulaski Solar	Enel Green Power NA, Inc.	Buffalo, MN	13 GWh	Nov 2016	Dec 2025	Solar
Tatanka Wi	HQC Tatanka Wi Solar Power Generation LLC	Buffalo, MN	10 GWh	Nov 2017	Dec 2025	Solar
Dickinson Solar Array	Great River Energy	Buffalo, MN	2 GWh	Jul 2016	Dec 2025	Solar
Grimm Community Solar	Grimm CSG LLC	Buffalo Lake, MN	2 GWh	Apr 2018	Nov 2025	Solar
Buffalo Lake CSG1, LLC	Nautilus Solar Solutions	Buffalo Lake, MN	2 GWh	Jul 2021	Dec 2025	Solar
MN Buffalo Lake 212-1 LLC (CSG)	United States Solar Corporation	Buffalo Lake, MN	2 GWh	Nov 2023	Dec 2025	Solar
MN Buffalo Lake 212-2 LLC (CSG)	United States Solar Corporation	Buffalo Lake, MN	2 GWh	Nov 2023	Dec 2025	Solar
MN CSG 2019-60	MN CSG 2019-60 LLC	Buffalo Lake, MN	2 GWh	Nov 2024	Dec 2025	Solar
Golden Plains	Interstate Power and Light Co	Buffalo Center, IA	782 GWh	Feb 2020	May 2026	Wind
Thornapple	Northern States Power Co - Minnesota	Bruce, WI	7 GWh	Dec 1926	Dec 2025	Water
Forward Wind Energy Center	Wisconsin Public Service Corp	Brownsville, WI	125 GWh	Jun 2008	May 2026	Wind
Bellflower Solar, LLC	Geronimo Power	Brooten, MN	2 GWh	Nov 2020	Dec 2025	Solar
USS Monarch Solar LLC CSG	Standard Solar	Brooten, MN	2 GWh	Nov 2019	Dec 2025	Solar
Novel Brooten Solar CSG	REA Investments, LLC	Brooten, MN	2 GWh	Sep 2019	Dec 2025	Solar
Pegasus Community Solar	Pegasus Community Solar	Brooten, MN	3 GWh	Jul 2017	Dec 2025	Solar
USS Viceroy Solar LLC CSG	United States Solar Corporation	Brooten, MN	2 GWh	Dec 2020	Dec 2025	Solar
Brooten CSG1, LLC	Nautilus Solar Solutions	Brooten, MN	2 GWh	Jul 2021	Dec 2025	Solar
Brooklyn	City of Brooklyn - (IA)	Brooklyn, IA	14 MWh	Aug 2012	Dec 2025	Distillate Fuel Oil
Brooklyn City North Plant	City of Brooklyn - (IA)	Brooklyn, IA	7 MWh	Apr 2002	Dec 2025	Distillate Fuel Oil
Craighead Electric Solar One	Today's Power, Inc.	Brookland, AR	2 GWh	Jul 2018	Dec 2025	Solar
Mulligan Solar, LLC	Mulligan Solar	Broadwell, IL	145 GWh	Jun 2022	May 2026	Solar
Albany Solar (WI)	Wisconsin Power & Light Co	Broadhead, WI	99 GWh	Nov 2023	May 2026	Solar
FPL Energy Crystal Lake Wind II LLC	FPL Energy Crystal Lake Wind II LLC	Britt, IA	706 GWh	Dec 2008	May 2026	Wind
Crystal Lake 3 LLC	Crystal Lake 3 LLC	Britt, IA	231 GWh	Nov 2009	May 2026	Wind
FPL Energy Crystal Lake Wind LLC	FPL Energy Crystal Lake Wind LLC	Britt, IA	578 GWh	Nov 2008	May 2026	Wind
Pheasant Run Landfill Gas Recovery	WM Renewable Energy LLC	Bristol, WI	47 GWh	Jan 1992	Dec 2025	Landfill Gas
B&K Energy Systems LLC	Brewster	Brewster, MN	5 GWh	Nov 2003	Dec 2025	Wind
S&P Windfarm LLC	Brewster	Brewster, MN	5 GWh	Nov 2003	Dec 2025	Wind
DL Windy Acres LLC	Brewster	Brewster, MN	5 GWh	Nov 2003	Dec 2025	Wind
Cisco	ALLETE Clean Energy	Brewster, MN	12 GWh	Jan 2008	Dec 2025	Wind
Bremen	Indiana Municipal Power Agency	Bremen, IN	13 GWh	Oct 2022	Dec 2025	Solar
Breese	City of Breese - (IL)	Breese, IL	539 MWh	Nov 1953	Dec 2025	Distillate Fuel Oil
Gratiot County Wind LLC	Invenergy Services LLC	Breckenridge, MI	262 GWh	Apr 2012	Dec 2025	Wind
Gratiot Wind Park	DTE Electric Company	Breckenridge, MI	214 GWh	Oct 2011	May 2026	Wind
Staunton	Cypress Creek Renewables	Brazil, IN	6 GWh	Nov 2018	Dec 2025	Solar
Pastime Farm, LLC	Cypress Creek Renewables	Brazil, IN	9 GWh	Nov 2015	Dec 2025	Solar
Brainerd Airport	Onsite Partners, LLC	Brainerd, MN	10 GWh	Nov 2022	Dec 2024	Solar
Brainerd Public Utilities	Brainerd Public Utilities	Brainerd, MN	13 GWh	Dec 1916	Dec 2025	Water
Hay River (Dunn 1)	Greenbacker Renewable Energy Corporation	Boyceville, WI	3 GWh	Jan 2024	Dec 2025	Solar
Peno Creek	Union Electric Co - (MO)	Bowling Green, MO	156 GWh	Apr 2002	Dec 2025	Natural Gas : 99.3% Distillate Fuel Oil : 0.7%
Kankakee Solar 1	Pivot Energy	Bourbonnais, IL	4 GWh	Apr 2024	Dec 2025	Solar
Kankakee 2	Kankakee Solar 2 LLC	Bourbonnais, IL	4 GWh	Jul 2022	Dec 2025	Solar
Fayetteville Public Schools (SWEPCO)	Nabholz Solar FPS, LLC	Booneville, AR	9 GWh	Jul 2023	Dec 2024	Solar
Fareway Customer Hosted 1 MW Solar	Interstate Power and Light Co	Boone, IA	2 GWh	Apr 2024	Dec 2025	Solar
Bonduel Solar WI, LLC	Wisconsin Electric Power Co	Bonduel, WI	12 GWh	Nov 2023	Dec 2025	Solar
Washington Parish Energy Center	Entergy Louisiana LLC	Bogalusa, LA	315 GWh	Oct 2020	May 2026	Natural Gas
Gaylord Container Bogalusa	Temple-Inland Corp	Bogalusa, LA	452 GWh	May 1979	May 2026	Black Liquor : 57.8% Wood/Wood Waste Solids : 35.6% Natural Gas : 6.7%
Crooked Lake Solar, LLC	Crooked Lake Solar, LLC	Blytheville, AR	391 GWh	Apr 2024	May 2026	Solar
Forgeview Solar	Forgeview Solar, LLC	Blytheville, AR	187 GWh	Nov 2025	May 2026	Solar
Marlow Solar, LLC CSG	Marlow Solar, LLC	Bluford, IL	4 GWh	Nov 2020	Dec 2025	Solar
Big Blue	Big Blue Wind Farm LLC (MN)	Blue Earth, MN	71 GWh	Nov 2012	Dec 2025	Wind
Blue Breezes II LLC	Midwest Power Partners LLC	Blue Earth, MN	2 GWh	Apr 2006	Dec 2025	Wind

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	442.5 GWh	4
#26	Associated Electric Cooperative, Inc.	23.4 TWh	47
#13	Duke Energy Carolinas	112.6 TWh	577
#50	Duke Energy Progress West	4.5 TWh	15
#23	Louisville Gas and Electric Company and Kentucky Utilities Company	33.9 TWh	25
#1	PJM Interconnection, LLC	882.8 TWh	2,652
#6	Southern Company Services, Inc. - Trans	253.5 TWh	422
#5	Southwest Power Pool	306.8 TWh	856
#53	Southwestern Power Administration	4.1 TWh	34
#9	Tennessee Valley Authority	163.4 TWh	207

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	882.8 TWh	2,652
#2	Midcontinent Independent System Operator, Inc.	669.4 TWh	3,038
#3	Electric Reliability Council of Texas, Inc.	494.1 TWh	1,471
#5	Southwest Power Pool	306.8 TWh	856
#6	Southern Company Services, Inc. - Trans	253.5 TWh	422
#7	California Independent System Operator	169.4 TWh	2,135
#9	Tennessee Valley Authority	163.4 TWh	207
#10	Florida Power & Light Co.	152.2 TWh	187
#12	New York Independent System Operator	134.3 TWh	1,299
#13	Duke Energy Carolinas	112.6 TWh	577