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
Sherburne Community Solar One LLC CSG	Madison Energy Holdings LLC	Saint Cloud, MN	2 GWh	Nov 2019	Dec 2025	Solar
Haven Solar Project CSG	Madison Energy Investments LLC	Saint Cloud, MN	5 GWh	Jun 2019	Sep 2025	Solar
STAG St. Paul Project CSG	STAG St. Paul Community Solar LLC	Saint Paul, MN	1 GWh	Dec 2019	Dec 2025	Solar
North Arkansas Electric Cooperative	Today's Power, Inc.	Salem, AR	2 GWh	Apr 2021	Dec 2025	Solar
Crooked Creek PV I	Crooked Creek PV I, LLC	Salem, IL	92 GWh	-	Jul 2026	Solar
Silver Lake Solar WI, LLC	Wisconsin Electric Power Co	Salem, WI	9 GWh	Nov 2023	Dec 2025	Solar
Neal Energy Center Solar	MidAmerican Energy Co	Salix, IA	7 GWh	Jan 2022	Dec 2025	Solar
George Neal South	MidAmerican Energy Co	Salix, IA	2 TWh	Jun 1979	Jul 2026	Subbituminous Coal : 99.0% Distillate Fuel Oil : 1.0%
Attala	Entergy Mississippi LLC	Sallis, MS	3 TWh	Feb 2001	Jul 2026	Natural Gas
Dunns Bridge II Solar	Dunns Bridge II Solar and Storage Generation LLC	San Pierre, IN	774 GWh	Dec 2024	Jul 2026	Solar
Marion Solar 4b LLC	Pivot Energy	Sandoval, IL	4 GWh	Apr 2024	Dec 2025	Solar
Marion Solar 2	Pivot Energy	Sandoval, IL	2 GWh	Dec 2024	Dec 2025	Solar
Sartell Dam	Eagle Creek Renewable Energy, LLC	Sartell, MN	30 GWh	Feb 1985	Dec 2025	Water
Sartell Holdco CSG	Sartell Holdco LLC	Sartell, MN	8 GWh	Apr 2019	Dec 2025	Solar
USS Brockway Solar CSG	United States Solar Corporation	Sartell, MN	2 GWh	Dec 2018	Dec 2025	Solar
B.R. Sartell CSG	Minnesota Solar CSG 21, LLC	Sartell, MN	3 GWh	Oct 2017	Dec 2025	Solar
SCS American Bottoms 009885 Sauget, LLC	Arevon Energy, Inc.	Sauget, IL	2 GWh	Jul 2020	Dec 2025	Solar
Black Oak Wind Farm	Black Oak Wind, LLC	Sauk Centre, MN	309 GWh	Nov 2016	Jul 2026	Wind
Delphinus Community Solar	Delphinus Community Solar	Sauk Rapids, MN	3 GWh	Feb 2018	Dec 2025	Solar
USS Mayhew Solar LLC CSG	Standard Solar	Sauk Rapids, MN	2 GWh	May 2020	Dec 2025	Solar
B.R. Sauk Rapids CSG	Minnesota Solar CSG 9, LLC	Sauk Rapids, MN	7 GWh	Oct 2017	Dec 2025	Solar
USS Reindeer Solar LLC CSG	United States Solar Corporation	Sauk Rapids, MN	2 GWh	Nov 2020	Dec 2025	Solar
Novel Pederson Solar CSG	REA Investments, LLC	Sauk Rapids, MN	2 GWh	Jul 2020	Dec 2025	Solar
USS Kasch Solar CSG	United States Solar Corporation	Sauk Rapids, MN	2 GWh	Sep 2018	Dec 2025	Solar
USS JJ Solar CSG	United States Solar Corporation	Sauk Rapids, MN	2 GWh	Dec 2018	Dec 2025	Solar
USS Solar Rapids CSG	United States Solar Corporation	Sauk Rapids, MN	2 GWh	Dec 2018	Dec 2025	Solar
USS Golden Spike Solar LLC CSG	United States Solar Corporation	Sauk Rapids, MN	379 MWh	Sep 2025	Dec 2025	Solar
Studenski Community Solar LLC CSG	Studenski Community Solar LLC	Sauk Rapids, MN	2 GWh	Mar 2021	Dec 2025	Solar
Edison Sault	Cloverland Electric Co-op	Sault Ste. Marie, MI	181 GWh	Jun 1901	Dec 2025	Water
Saint Marys Falls	USACE-Detroit District	Sault Ste. Marie, MI	156 GWh	Jun 1932	Dec 2025	Water
Saxon Falls	Northern States Power Co - Minnesota	Saxon, WI	9 GWh	Dec 1912	Dec 2025	Water
Scandia Community Solar Garden	Scandia CSG LLC	Scandia, MN	4 GWh	Jun 2018	Dec 2025	Solar
Gemini Community Solar	Gemini Community Solar	Scandia, MN	5 GWh	Aug 2017	Dec 2025	Solar
MSC-Scandia01 CSG	MSC-Scandia01 LLC	Scandia, MN	2 GWh	Mar 2019	Dec 2024	Solar
Scandia CSG	Madison Energy Investments LLC	Scandia, MN	9 GWh	Dec 2017	Sep 2025	Solar
Forest Lake Solar CSG	Forest Lake Holdco LLC	Scandia, MN	7 GWh	Jun 2017	Dec 2025	Solar
USS Solar Sources LLC CSG	Standard Solar	Scandia, MN	2 GWh	Sep 2020	Dec 2025	Solar
Argo Navis Community Solar	Argo Navis Community Solar	Scandia, MN	5 GWh	Feb 2018	Dec 2025	Solar
Scanlon	ALLETE, Inc.	Scanlon, MN	7 GWh	Dec 1922	Dec 2025	Water
Intrepid	MidAmerican Energy Co	Schaller, IA	546 GWh	Nov 2004	Dec 2025	Wind
New Harvest Wind Project LLC	Avangrid Power LLC	Schleswig, IA	263 GWh	Nov 2011	Dec 2025	Wind
Cardinal Point Wind	Cardinal Point LLC	Sciota, IL	525 GWh	Feb 2020	Jul 2026	Wind
Scottsburg Solar Park	Indiana Municipal Power Agency	Scottsburg, IN	11 GWh	Sep 2020	Dec 2025	Solar
Searcy Solar Hybrid	Searcy Solar, LLC	Searcy, AR	173 GWh	Dec 2021	Jul 2026	Solar
Searcy Water I	Entegrity Solar SWU, LLC	Searcy, AR	2 GWh	May 2021	Dec 2025	Solar
Happy Solar 1	Lightsource Renewable Energy Asset Management, LLC	Searcy, AR	210 GWh	Sep 2023	Jul 2026	Solar
Searcy Water II	Entegrity Solar SWU 2, LLC	Searcy, AR	6 GWh	May 2021	Dec 2025	Solar
ACC	Entegrity Solar ACC, LLC	Searcy, AR	4 GWh	Apr 2023	Dec 2025	Solar
Pine Street	Village of Sebewaing - (MI)	Sebewaing, MI	462 MWh	May 1969	Dec 2025	Natural Gas
MSC Sebewaing	Michigan Sugar Company	Sebewaing, MI	509 MWh	Sep 1979	Mar 2026	Bituminous Coal : 67.9% Natural Gas : 32.1%
George Neal North	MidAmerican Energy Co	Sergeant Bluff, IA	2 TWh	Apr 1964	Jul 2026	Subbituminous Coal : 98.2% Natural Gas : 1.8%
Lawrence Creek Solar	Enel Green Power NA, Inc.	Shafer, MN	6 GWh	Nov 2016	Dec 2025	Solar
Shakopee Met Council WTP	Oak Leaf Solar V LLC	Shakopee, MN	2 GWh	Feb 2016	Dec 2025	Solar
Blue Lake Solar	Cypress Creek Renewables	Shakopee, MN	3 GWh	Nov 2016	Dec 2025	Solar
Koda Biomass Plant	Koda Energy LLC	Shakopee, MN	53 GWh	Apr 2009	Dec 2025	Agricultural By-Products : 75.1% Wood/Wood Waste Solids : 16.1% Natural Gas : 8.9%
Shakopee Energy Park	Minnesota Municipal Power Agny	Shakopee, MN	57 GWh	Jan 2017	Dec 2025	Natural Gas
Blue Lake	Northern States Power Co - Minnesota	Shakopee, MN	465 GWh	Feb 1974	Nov 2025	Natural Gas : 99.9%
Onion River	Wisconsin Power & Light Co	Sheboygan Cedar Grove, WI	262 GWh	Nov 2023	Jul 2026	Solar
Sheboygan Falls	Wisconsin Power & Light Co	Sheboygan, WI	452 GWh	May 2005	Dec 2025	Natural Gas
Edgewater	Wisconsin Power & Light Co	Sheboygan, WI	2 TWh	Jun 1951	Jul 2026	Subbituminous Coal : 99.9%
Rocky Mountain Elk Solar Community Solar	Rocky Mountain Elk Solar, LLC	Sheffield, IL	108 MWh	Nov 2025	Dec 2025	Solar
POET Biorefining - Shelbyville	POET Biorefining- Shelbyville	Shelbyville, IN	34 GWh	May 2020	Dec 2025	Natural Gas
Settlers Trail Wind Farm LLC	RWE Clean Energy	Sheldon, IL	320 GWh	Sep 2011	Dec 2025	Wind
Shenandoah	MidAmerican Energy Co	Shenandoah, IA	323 MWh	Mar 2000	Dec 2025	Distillate Fuel Oil
Pine River Wind Park	DTE Electric Company	Shepherd, MI	382 GWh	Feb 2019	Jul 2026	Wind
San Jacinto County Peaking Facility	East Texas Electric Coop, Inc	Shepherd, TX	287 GWh	Jun 2001	Dec 2025	Natural Gas
Calhoun County Solar Project	AES Clean Energy	Sheridan Township, MI	254 GWh	Feb 2025	Jul 2026	Solar
Redfield Solar	Redfield PV I, LLC	Sheridan, AR	88 GWh	-	Jul 2026	Solar
Sheridan School Corporation Solar	Johnson Melloh Solutions	Sheridan, IN	2 GWh	May 2016	Dec 2025	Solar
Towanda	Dimension Energy LLC	Shirley, IL	7 MWh	Nov 2025	Dec 2025	Solar
Sibley One	City of Sibley - (IA)	Sibley, IA	174 MWh	Aug 1971	Dec 2025	Distillate Fuel Oil : 65.0% Natural Gas : 35.0%
Sibley No Two	City of Sibley - (IA)	Sibley, IA	37 MWh	Nov 1987	Dec 2025	Natural Gas : 90.9% Distillate Fuel Oil : 9.1%
IL Sidney Project1	IL Sidney Project1, LLC	Sidney, IL	5 GWh	Mar 2021	Dec 2025	Solar
Prairie Solar LLC	MN8 Energy LLC	Sidney, IL	173 GWh	-	Jul 2026	Solar
USS Water Fowl Solar LLC CSG	United States Solar Corporation	Silver Lake, MN	807 MWh	Aug 2022	Dec 2025	Solar
Angus Anson	Northern States Power Co - Minnesota	Sioux Falls, SD	239 GWh	Jul 1994	Dec 2025	Natural Gas : 99.9%
Auriga Community Solar	Geronimo Power	Slayton, MN	2 GWh	Nov 2018	Dec 2025	Solar
Slayton Solar	Ecos Energy LLC	Slayton, MN	2 GWh	Dec 2012	Dec 2025	Solar
USS Slayton Solar LLC (CSG)	United States Solar Corporation	Slayton, MN	2 GWh	Jul 2024	Dec 2025	Solar
Sleepy Eye	Sleepy Eye Public Utility Comm	Sleepy Eye, MN	42 MWh	Jun 1995	Dec 2025	Distillate Fuel Oil
Smithland Hydroelectric Plant	American Mun Power-Ohio, Inc	Smithland, KY	428 GWh	Jun 2017	Jul 2026	Water
South Belleville Solar, LLC	Dimension Energy LLC	Smithton Township, IL	385 MWh	Oct 2025	Dec 2025	Solar
Solway CT	Otter Tail Power Co	Solway, MN	143 GWh	Apr 2003	Dec 2025	Natural Gas : 99.5%
Apple River	Northern States Power Co - Minnesota	Somerset, WI	13 GWh	Dec 1900	Dec 2025	Water
SV CSG Wagner A LLC	SunVest Solar LLC	Sparta, IL	5 GWh	Nov 2024	Dec 2025	Solar
Upland Prairie	Interstate Power and Light Co	Spencer, IA	1 TWh	Feb 2019	Jul 2026	Wind
Spencer Gas Turbine	City of Spencer - (IA)	Spencer, IA	86 MWh	Dec 1969	Dec 2025	Kerosene
Spiritwood Station	Great River Energy	Spiritwood, ND	263 GWh	Oct 2014	Jul 2026	Natural Gas : 60.6% Refined Coal : 39.4%
Spooner Solar Array	Onsite Partners, LLC	Spooner, WI	3 GWh	May 2019	Dec 2025	Solar
Geranium Solar	Generate Capital	Spring Valley, IL	148 MWh	Nov 2025	Dec 2025	Solar
Fillmore County Solar Project	Geronimo Power	Spring Valley, MN	82 GWh	Nov 2024	Jul 2026	Solar
Spring Valley	Spring Valley Pub Utils Comm	Spring Valley, MN	227 MWh	Dec 1951	Dec 2025	Distillate Fuel Oil : 82.2% Natural Gas : 17.8%
Waste Management Eco Vista LFGTE	WM Renewable Energy LLC	Springdale, AR	22 GWh	Oct 2010	Dec 2025	Natural Gas
Reynolds	City of Springfield - (IL)	Springfield, IL	179 MWh	Oct 1970	Dec 2025	Distillate Fuel Oil
Factory	City of Springfield - (IL)	Springfield, IL	198 MWh	Jul 1973	Jun 2025	Distillate Fuel Oil
Interstate	City of Springfield - (IL)	Springfield, IL	58 GWh	Aug 1997	Dec 2025	Natural Gas : 99.2% Distillate Fuel Oil : 0.8%
Dallman	City of Springfield - (IL)	Springfield, IL	815 GWh	May 1968	Jul 2026	Bituminous Coal : 99.4% Natural Gas : 0.6%
Springfield (MN)	Springfield Public Utils Comm - (MN)	Springfield, MN	15 MWh	May 1994	Dec 2025	Distillate Fuel Oil
St. Charles Solar	Green Street Power Partners	St Charles Township, MN	3 GWh	Aug 2019	Dec 2025	Solar
St. Cloud Hydro	St. Cloud Hydroelectric Generation Facility	St Cloud, MN	46 GWh	May 1988	Dec 2025	Water

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