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	Nov 2025
Annual Generation	655.1 TWh
Power Plants	2,831
Utilities	1,296
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 \| 35.7% Coal \| 29% Wind \| 14.9% Nuclear \| 13.9% Solar \| 4.5% Water \| 1.5% Other Fuel \| 0.6%

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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
Cannon Falls Energy Center	Invenergy Services LLC	Cannon Falls, MN	899 GWh	Mar 2008	Sep 2025	Natural Gas
International Paper Red River Mill	Red River Mill Intl Paper Company	Campti, LA	371 GWh	Nov 2008	Dec 2023	Black Liquor : 64.7% Wood/Wood Waste Solids : 22.1% Natural Gas : 13.2%
Auburn Solar WI, LLC	Wisconsin Electric Power Co	Campbellsport, WI	80 MWh	Nov 2024	Dec 2024	Solar
McClellan (AR)	Arkansas Electric Coop Corp	Camden, AR	43 GWh	Apr 1972	Dec 2024	Natural Gas : 92.3% Distillate Fuel Oil : 7.7%
RockGen Energy Center	Dairyland Power Coop	Cambridge, WI	510 GWh	May 2001	Sep 2025	Natural Gas : 99.1% Distillate Fuel Oil : 0.9%
Cambridge CT Hybrid	Great River Energy	Cambridge, MN	36 GWh	Apr 1978	Dec 2024	Natural Gas : 99.0% Distillate Fuel Oil : 1.0%
GRE Cambridge Solar	SoCore Energy LLC	Cambridge, MN	3 GWh	Nov 2019	Dec 2024	Solar
Bishop Hill II Wind Farm	Bishop Hill Energy II, LLC	Cambridge, IL	340 GWh	Sep 2012	Dec 2024	Wind
Bishop Hill III	Invenergy Services LLC	Cambridge, IL	432 GWh	May 2018	Sep 2025	Wind
Glacier Hills	Wisconsin Electric Power Co	Cambria, WI	375 GWh	Nov 2011	Sep 2025	Wind
Cadillac Renewable Energy	Cadillac Renewable Energy LLC	Cadillac, MI	136 GWh	Jul 1993	Dec 2024	Wood/Wood Waste Solids
Novel DeCook Solar CSG	REA Investments, LLC	Byron, MN	1 GWh	Feb 2020	Dec 2024	Solar
Novel Byron Solar CSG	REA Investments, LLC	Byron, MN	2 GWh	Apr 2020	Dec 2024	Solar
Lange Solar	Arcadia Solar, LLC	Byron, MN	2 GWh	Aug 2019	Dec 2024	Solar
Novel Bartel Solar CSG	REA Investments, LLC	Byron, MN	2 GWh	Mar 2020	Dec 2024	Solar
Hwy 14 Holdco Solar CSG	Hwy 14 Holdco, LLC	Byron, MN	8 GWh	Jun 2017	Dec 2024	Solar
Bear Grove Solar	Bear Grove Solar, LLC	Byron, MN	2 GWh	Jan 2023	Dec 2024	Solar
Tweite Community Solar LLC	Tweite Community Solar LLC	Byron, MN	2 GWh	Oct 2020	Dec 2024	Solar
Bryon Center	Energy Developments, Inc d/b/a EDL	Byron Center, MI	29 GWh	Feb 2009	Dec 2024	Landfill Gas
Bushnell	City of Bushnell - (IL)	Bushnell, IL	49 MWh	May 1940	Dec 2024	Distillate Fuel Oil
Black Dog	Northern States Power Co - Minnesota	Burnsville, MN	2 TWh	Sep 1954	Dec 2024	Natural Gas
ArcelorMittal Burns Harbor	Cleveland-Cliffs Burns Harbor LLC	Burns Harbor, IN	922 GWh	Dec 1968	Dec 2024	Blast Furnace Gas : 42.6% Other Gas : 32.9% Natural Gas : 24.4%
Spring Prairie Solar WI, LLC	Wisconsin Electric Power Co	Burlington, WI	4 GWh	Nov 2023	May 2024	Solar
Burlington (IA)	Interstate Power and Light Co	Burlington, IA	14 GWh	May 1968	Sep 2025	Natural Gas
French Road Solar II	French Road Solar II, LLC	Burlington, IL	4 GWh	Feb 2022	Dec 2024	Solar
Tatanka Wi	HQC Tatanka Wi Solar Power Generation LLC	Buffalo, MN	11 GWh	Nov 2017	Dec 2024	Solar
Lake Pulaski Solar	Enel Green Power NA, Inc.	Buffalo, MN	12 GWh	Nov 2016	Dec 2024	Solar
Dickinson Solar Array	Great River Energy	Buffalo, MN	3 GWh	Jul 2016	Dec 2024	Solar
Buffalo Lake CSG1, LLC	Nautilus Solar Solutions	Buffalo Lake, MN	2 GWh	Jul 2021	Dec 2024	Solar
Grimm Community Solar	Grimm CSG LLC	Buffalo Lake, MN	2 GWh	Apr 2018	Dec 2024	Solar
MN Buffalo Lake 212-1 LLC (CSG)	United States Solar Corporation	Buffalo Lake, MN	2 GWh	Nov 2023	Dec 2024	Solar
MN Buffalo Lake 212-2 LLC (CSG)	United States Solar Corporation	Buffalo Lake, MN	2 GWh	Nov 2023	Dec 2024	Solar
Golden Plains	Interstate Power and Light Co	Buffalo Center, IA	708 GWh	Feb 2020	Sep 2025	Wind
Thornapple	Northern States Power Co - Minnesota	Bruce, WI	8 GWh	Dec 1926	Dec 2024	Water
Forward Wind Energy Center	Wisconsin Public Service Corp	Brownsville, WI	146 GWh	Jun 2008	Sep 2025	Wind
USS Monarch Solar LLC CSG	Standard Solar	Brooten, MN	2 GWh	Nov 2019	Dec 2024	Solar
Pegasus Community Solar	Pegasus Community Solar	Brooten, MN	3 GWh	Jul 2017	Dec 2024	Solar
Brooten CSG1, LLC	Nautilus Solar Solutions	Brooten, MN	2 GWh	Jul 2021	Dec 2024	Solar
Novel Brooten Solar CSG	REA Investments, LLC	Brooten, MN	2 GWh	Sep 2019	Dec 2024	Solar
Bellflower Solar, LLC	National Grid Renewables	Brooten, MN	2 GWh	Nov 2020	Dec 2024	Solar
USS Viceroy Solar LLC CSG	United States Solar Corporation	Brooten, MN	3 GWh	Dec 2020	Dec 2024	Solar
Brooklyn City North Plant	City of Brooklyn - (IA)	Brooklyn, IA	14 MWh	Apr 2002	Dec 2024	Distillate Fuel Oil
Brooklyn	City of Brooklyn - (IA)	Brooklyn, IA	18 MWh	Aug 2012	Dec 2024	Distillate Fuel Oil
Craighead Electric Solar One	Today's Power, Inc.	Brookland, AR	2 GWh	Jul 2018	Dec 2024	Solar
Mulligan Solar, LLC	Mulligan Solar	Broadwell, IL	157 GWh	Jun 2022	Sep 2025	Solar
Albany Solar (WI)	Wisconsin Power & Light Co	Broadhead, WI	98 GWh	Nov 2023	Sep 2025	Solar
FPL Energy Crystal Lake Wind II LLC	FPL Energy Crystal Lake Wind II LLC	Britt, IA	713 GWh	Dec 2008	Sep 2025	Wind
FPL Energy Crystal Lake Wind LLC	FPL Energy Crystal Lake Wind LLC	Britt, IA	577 GWh	Nov 2008	Sep 2025	Wind
Crystal Lake 3 LLC	Crystal Lake 3 LLC	Britt, IA	234 GWh	Nov 2009	Sep 2025	Wind
Pheasant Run Landfill Gas Recovery	WM Renewable Energy LLC	Bristol, WI	48 GWh	Jan 1992	Dec 2024	Landfill Gas
S&P Windfarm LLC	Brewster	Brewster, MN	4 GWh	Nov 2003	Dec 2024	Wind
DL Windy Acres LLC	Brewster	Brewster, MN	4 GWh	Nov 2003	Dec 2024	Wind
B&K Energy Systems LLC	Brewster	Brewster, MN	4 GWh	Nov 2003	Dec 2024	Wind
Cisco	ALLETE Clean Energy	Brewster, MN	9 GWh	Jan 2008	Dec 2024	Wind
Bremen	Indiana Municipal Power Agency	Bremen, IN	13 GWh	Oct 2022	Dec 2024	Solar
Breese	City of Breese - (IL)	Breese, IL	263 MWh	Nov 1953	Dec 2024	Distillate Fuel Oil
Gratiot County Wind LLC	Invenergy Services LLC	Breckenridge, MI	228 GWh	Apr 2012	Dec 2024	Wind
Gratiot Wind Park	DTE Electric Company	Breckenridge, MI	225 GWh	Oct 2011	Sep 2025	Wind
Staunton	Cypress Creek Renewables	Brazil, IN	7 GWh	Nov 2018	Dec 2024	Solar
Pastime Farm, LLC	Cypress Creek Renewables	Brazil, IN	9 GWh	Nov 2015	Dec 2024	Solar
Brainerd Public Utilities	Brainerd Public Utilities	Brainerd, MN	11 GWh	Dec 1916	Dec 2023	Water
Brainerd Airport	AEP Onsite Partners, LLC	Brainerd, MN	10 GWh	Nov 2022	Dec 2024	Solar
Hay River (Dunn 1)	Greenbacker Renewable Energy Corporation	Boyceville, WI	3 GWh	Jan 2024	Dec 2024	Solar
Peno Creek	Union Electric Co - (MO)	Bowling Green, MO	118 GWh	Apr 2002	Dec 2024	Natural Gas : 97.4% Distillate Fuel Oil : 2.6%
Kankakee 2	Kankakee Solar 2 LLC	Bourbonnais, IL	3 GWh	Jul 2022	Dec 2024	Solar
Kankakee Solar 1	Pivot Energy	Bourbonnais, IL	2 GWh	Apr 2024	Dec 2024	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	1 GWh	Apr 2024	Dec 2024	Solar
Bonduel Solar WI, LLC	Wisconsin Electric Power Co	Bonduel, WI	1 GWh	Nov 2023	Feb 2024	Solar
Washington Parish Energy Center	Entergy Louisiana LLC	Bogalusa, LA	394 GWh	Oct 2020	Sep 2025	Natural Gas
Gaylord Container Bogalusa	Temple-Inland Corp	Bogalusa, LA	439 GWh	May 1979	Sep 2025	Black Liquor : 55.5% Wood/Wood Waste Solids : 37.5% Natural Gas : 7.0%
Crooked Lake Solar, LLC	Crooked Lake Solar, LLC	Blytheville, AR	396 GWh	Apr 2024	Sep 2025	Solar
Marlow Solar, LLC CSG	Marlow Solar, LLC	Bluford, IL	4 GWh	Nov 2020	Dec 2024	Solar
Big Blue	Big Blue Wind Farm LLC (MN)	Blue Earth, MN	70 GWh	Nov 2012	Dec 2024	Wind
Blue Breezes II LLC	Midwest Power Partners LLC	Blue Earth, MN	2 GWh	Apr 2006	Dec 2024	Wind
Blue Breezes LLC	Midwest Power Partners LLC	Blue Earth, MN	2 GWh	Apr 2006	Dec 2024	Wind
Blue Earth	Blue Earth Light & Water	Blue Earth, MN	96 MWh	Oct 1960	Dec 2024	Distillate Fuel Oil
State Farm	State Farm Insurance	Bloomington, IL	26 MWh	Sep 1996	Sep 2025	Distillate Fuel Oil
Breezewood	Cypress Creek Renewables	Bloomington, IL	732 MWh	Aug 2024	Dec 2024	Solar
Blooming Prairie	City of Blooming Prairie - (MN)	Blooming Prairie, MN	234 MWh	Apr 1937	Dec 2024	Distillate Fuel Oil
Oak Glen Wind Farm	Minnesota Municipal Power Agny	Blooming Prairie, MN	121 GWh	Oct 2011	Dec 2024	Wind
Bloomfield Municipal Utilities Solar	AEP Onsite Partners, LLC	Bloomfield, IA	2 GWh	Mar 2019	Dec 2024	Solar
McDonough Solar 1, LLC CSG	McDonough Solar 1, LLC	Blandinsville, IL	4 GWh	Nov 2020	Dec 2024	Solar
Century	MidAmerican Energy Co	Blairsburg, IA	572 GWh	Aug 2005	Dec 2024	Wind
Shamrock Solar LLC	Greenbacker Renewable Energy Corporation	Black River Falls, WI	5 GWh	Nov 2021	Dec 2024	Solar
Blue Prairie Solar, LLC	Greenbacker Renewable Energy Corporation	Black River Falls, WI	4 GWh	Jul 2021	Dec 2024	Solar
Biron	Consolidated Water Power Co	Biron, WI	31 GWh	Dec 1895	Dec 2024	Water
USS Prokosch Solar LLC	United States Solar Corporation	Bird Island, MN	2 GWh	May 2022	Dec 2024	Solar
USS Wonder Solar LLC	United States Solar Corporation	Bird Island, MN	2 GWh	Jun 2023	Dec 2024	Solar
Windom Wind Project	Midwest Power Partners LLC	Bingham Lake, MN	33 GWh	Feb 2006	Dec 2024	Wind
Big Stone	Otter Tail Power Co	Big Stone City, SD	2 TWh	Apr 1975	Sep 2025	Subbituminous Coal : 99.8%
Rogers	Consumers Energy Co - (MI)	Big Rapids, MI	16 GWh	Dec 1921	Dec 2024	Water
USS Big Lake 1 Solar CSG	United States Solar Corporation	Big Lake, MN	2 GWh	Nov 2018	Dec 2024	Solar
Big Lake Holdco Solar CSG	Big Lake Holdco LLC	Big Lake, MN	8 GWh	Aug 2017	Dec 2024	Solar
Big Lake Project CSG	DG Minnesota CSG, LLC	Big Lake, MN	9 GWh	May 2018	Dec 2024	Solar
Coyote	Otter Tail Power Co	Beulah, ND	2 TWh	Apr 1981	Sep 2025	Lignite Coal : 99.7%
Berryville School District Solar	Today's Power, Inc.	Berryville, AR	2 GWh	Jan 2018	Dec 2024	Solar
Berlin Landfill Gas	WM Renewable Energy LLC	Berlin, WI	14 GWh	Jul 2001	Dec 2024	Landfill Gas
FECC Solar Benton	Today's Power, Inc.	Benton, AR	967 MWh	Feb 2017	Oct 2024	Solar
Benson City of	City of Benson - (MN)	Benson, MN	54 MWh	Apr 2002	Dec 2024	Distillate Fuel Oil

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	696.7 GWh	4
#27	Associated Electric Cooperative, Inc.	23.6 TWh	47
#13	Duke Energy Carolinas	112.5 TWh	565
#52	Duke Energy Progress West	4.3 TWh	10
#24	Louisville Gas and Electric Company and Kentucky Utilities Company	34.4 TWh	25
#1	PJM Interconnection, LLC	870.7 TWh	2,465
#6	Southern Company Services, Inc. - Trans	250.9 TWh	417
#5	Southwest Power Pool	299.9 TWh	835
#49	Southwestern Power Administration	5.2 TWh	34
#9	Tennessee Valley Authority	161.6 TWh	204

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	870.7 TWh	2,465
#2	Midcontinent Independent System Operator, Inc.	655.1 TWh	2,831
#4	Electric Reliability Council of Texas, Inc.	485.0 TWh	1,313
#5	Southwest Power Pool	299.9 TWh	835
#6	Southern Company Services, Inc. - Trans	250.9 TWh	417
#7	California Independent System Operator	188.0 TWh	2,075
#9	Tennessee Valley Authority	161.6 TWh	204
#10	Florida Power & Light Co.	148.9 TWh	187
#12	New York Independent System Operator	131.6 TWh	1,211
#13	Duke Energy Carolinas	112.5 TWh	565