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
Novel Denzer Solar LLC CSG	REA Investments, LLC	Minnesota City, MN	2 GWh	Jun 2022	Dec 2025	Solar
Hendershot Solar, LLC	Hendershot Solar, LLC	Tecumseh, MI	4 GWh	Dec 2020	Dec 2025	Solar
Hazel Solar, LLC	Hazel Solar, LLC	Howard City, MI	4 GWh	Jan 2021	Dec 2025	Solar
Geddes 2 Solar, LLC	Geddes 2 Solar, LLC	Saginaw, MI	4 GWh	Dec 2020	Dec 2025	Solar
Bullhead Solar, LLC	Bullhead Solar, LLC	Fayette, MI	4 GWh	Dec 2020	Dec 2025	Solar
Angola Solar, LLC	Angola Solar, LLC	Coldwater, MI	4 GWh	Dec 2020	Dec 2025	Solar
Palmer Community Solar LLC CSG	Palmer Community Solar LLC	North Branch, MN	2 GWh	Jul 2021	Dec 2025	Solar
Medin 2 Community Solar LLC CSG	Medin 2 Community Solar LLC	Center City, MN	2 GWh	Jul 2021	Dec 2025	Solar
Cokato CSG	Cokato Holdco LLC	Cokato, MN	8 GWh	Jul 2021	Dec 2025	Solar
Downtown Generation Plant	City of Greenfield - (IA)	Greenfield, IA	15 MWh	Jun 2020	Dec 2025	Distillate Fuel Oil
Novel Stein Solar LLC CSG	REA Investments, LLC	Taylors Falls, MN	2 GWh	Aug 2022	Dec 2025	Solar
Cement City Solar, LLC	AES Distributed Energy	Cement City, MI	32 GWh	Dec 2022	Dec 2025	Solar
Letts Creek Solar, LLC	AES Distributed Energy	Grass Lake, MI	25 GWh	Nov 2022	Dec 2025	Solar
Pullman Solar, LLC	AES Distributed Energy	Lee Township, MI	33 GWh	Nov 2022	Dec 2025	Solar
O'Brien Solar Fields	Madison Gas & Electric Co	Fitchburg, WI	37 GWh	Apr 2021	Dec 2025	Solar
JM Huber at Quincy	Luminace Solar Illinois 2, LLC	Quincy, IL	2 GWh	Nov 2021	Dec 2025	Solar
Swan Garden	Swan Garden LLC	Villard, MN	2 GWh	Sep 2021	Dec 2025	Solar
Blue Prairie Solar, LLC	Altus Power America Management, LLC	Black River Falls, WI	4 GWh	Jul 2021	Dec 2025	Solar
Rice Lake Solar Array	Onsite Partners, LLC	Rice Lake, WI	7 GWh	May 2019	Dec 2025	Solar
Novel Froehle Solar LLC	Novel Froehle Solar HQ LLC	Cold Spring, MN	2 GWh	Nov 2024	Dec 2025	Solar
Novel Milbradt Solar LLC	Novel Milbradt Solar HQ LLC	Belview, MN	2 GWh	Nov 2024	Dec 2025	Solar
Morgan Solar 1 CSG	Morgan Solar 1 LLC	Meredosia, IL	4 GWh	Jul 2021	Dec 2025	Solar
Morgan Solar 1b CSG	Morgan Solar 1b LLC	Meredosia, IL	3 GWh	Jul 2021	Dec 2025	Solar
Hermsdorf Solar	Madison Gas & Electric Co	Madison, WI	16 GWh	Feb 2022	Dec 2025	Solar
Hurricane Creek CSG	SPG IL Hurricane Creek Solar LLC	Carterville, IL	4 GWh	May 2021	Dec 2025	Solar
Viking Solar CSG	Viking Solar, LLC	Palmyra, IL	4 GWh	May 2021	Dec 2025	Solar
Moraine CSG	Moraine Solar, LLC	Downs, IL	5 GWh	Aug 2021	Dec 2025	Solar
Connexus Solar Stanford 1STF	REA Investments, LLC	St. Francis, MN	13 GWh	Apr 2021	Dec 2025	Solar
Primient	Primary Products Ingredients Americas, LLC d/b/a Primient	Lafayette, IN	408 GWh	May 2021	Dec 2025	Natural Gas
Strobus	Altus Power America Management, LLC	Merrillan, WI	3 GWh	Aug 2021	Dec 2025	Solar
USS Wildcat Solar LLC	United States Solar Corporation	Goodhue, MN	2 GWh	Oct 2021	Dec 2025	Solar
Helen CSG 1 LLC	United States Solar Corporation	Plato, MN	2 GWh	Oct 2021	Dec 2025	Solar
USS Quail Solar LLC	United States Solar Corporation	Monticello, MN	2 GWh	Dec 2021	Dec 2025	Solar
USS Danube Solar LLC	United States Solar Corporation	Danube, MN	2 GWh	Nov 2021	Dec 2025	Solar
Hazel	Altus Power America Management, LLC	Lanesboro, MN	6 GWh	Oct 2021	Dec 2025	Solar
Fountain	Altus Power America Management, LLC	Fountain, MN	6 GWh	Oct 2021	Dec 2025	Solar
Stockton (MN)	Altus Power America Management, LLC	Winona, MN	4 GWh	Oct 2021	Dec 2025	Solar
Rushford Village	Altus Power America Management, LLC	Rushford Village, MN	2 GWh	Oct 2021	Dec 2025	Solar
Barron Solar Array	Onsite Partners, LLC	Barron, WI	6 GWh	Jul 2021	Dec 2025	Solar
Waterloo Solar (IA)	MidAmerican Energy Co	Waterloo, IA	6 GWh	Feb 2022	Dec 2025	Solar
Johnson County Hills Solar	MidAmerican Energy Co	Iowa City, IA	6 GWh	Dec 2021	Dec 2025	Solar
Franklin County Solar	MidAmerican Energy Co	Hampton, IA	13 GWh	Dec 2021	Dec 2025	Solar
USS Foley Solar LLC	United States Solar Corporation	Foley, MN	2 GWh	Jun 2022	Dec 2025	Solar
USS Prokosch Solar LLC	United States Solar Corporation	Bird Island, MN	2 GWh	May 2022	Dec 2025	Solar
USS Rosebud Solar LLC	United States Solar Corporation	Morgan, MN	2 GWh	Jul 2022	Dec 2025	Solar
Medin CSG	Madison Energy Holdings LLC	Center City, MN	2 GWh	Nov 2021	Dec 2025	Solar
Johnson CSG 1	Madison Energy Holdings LLC	Lindstrom, MN	2 GWh	Nov 2021	Dec 2025	Solar
Cornillie Solar CSG	Madison Energy Holdings LLC	North Branch, MN	2 GWh	Nov 2021	Dec 2025	Solar
MN CSG 2019-16 LLC	MN CSG 2019-16 LLC	Mankato, MN	2 GWh	May 2022	Dec 2025	Solar
Novel Brock Solar LLC CSG	Novel Brock Solar HQ LLC	Clarkfield, MN	54 MWh	Nov 2025	Dec 2025	Solar
Novel Swenson Solar LLC CSG	Novel Swenson Solar HQ LLC	North Branch, MN	922 MWh	Apr 2025	Dec 2025	Solar
Bissell Solar and Battery Generator	Consumers Energy Co - (MI)	Grand Rapids, MI	1 GWh	Aug 2021	Dec 2025	Solar
Walkerton	Indiana Municipal Power Agency	Walkerton, IN	2 GWh	Jun 2022	Dec 2025	Solar
Linton	Indiana Municipal Power Agency	Linton, IN	10 GWh	Jun 2022	Dec 2025	Solar
Everson Garden	Everson Garden LLC	Waseca, MN	2 GWh	Apr 2022	Dec 2025	Solar
Bremen	Indiana Municipal Power Agency	Bremen, IN	13 GWh	Oct 2022	Dec 2025	Solar
Shamrock Solar LLC	Altus Power America Management, LLC	Black River Falls, WI	6 GWh	Nov 2021	Dec 2025	Solar
Stromland Solar	Altus Power America Management, LLC	Cochrane, WI	5 GWh	Nov 2021	Dec 2025	Solar
AES Belleville Solar LLC	AES Distributed Energy	Belleville, IL	6 GWh	Aug 2021	Dec 2025	Solar
Big Turtle Wind Farm 2	DTE Electric Company	Harbor Beach, MI	104 GWh	Sep 2016	Dec 2025	Wind
Lily Garden	Lily Garden LLC	Waseca, MN	2 GWh	Jun 2023	Dec 2025	Solar
Ameresco Danville Solar, LLC	Altus Power America Management, LLC	Tilton, IL	4 GWh	Nov 2021	Dec 2025	Solar
Truman Solar	Agilitas Energy, Inc.	Colombia, MO	20 GWh	May 2021	Dec 2025	Solar
USS Peach Solar LLC	United States Solar Corporation	Mankato, MN	2 GWh	Jun 2022	Dec 2025	Solar
Macbeth Solar	Macbeth Solar, LLC	Montague, MI	38 GWh	Apr 2022	Dec 2025	Solar
Lyons Road	Lyons Road Solar, LLC	Owosso, MI	41 GWh	Dec 2021	Dec 2025	Solar
General Dynamics	Today's Power, Inc.	Hampton, AR	3 GWh	Oct 2020	Dec 2025	Solar
Allie L.L.C. (CSG)	Allie L.L.C.	Renville, MN	2 GWh	Jul 2022	Dec 2025	Solar
Purdue CHP	Duke Energy Indiana, LLC	West Lafayette, IN	125 GWh	Feb 2022	Dec 2025	Natural Gas
Flint Hills Resources Pine Bend, LLC	Flint Hills Resources Pine Bend, LLC	Rosemount, MN	362 GWh	Apr 2019	Dec 2025	Natural Gas : 78.8% Solar : 21.2%
Northern Cardinal Solar SCS IL 1, LLC	Arevon Energy, Inc.	Champaign, IL	19 GWh	Jan 2021	Dec 2025	Solar
SCS West Fairchild 011958 Danville, LLC	Arevon Energy, Inc.	Danville, IL	3 GWh	Jun 2021	Dec 2025	Solar
SCS Galena 012589 Peoria, LLC	Arevon Energy, Inc.	Peoria, IL	4 GWh	Nov 2021	Dec 2025	Solar
SCS COUNTY 012631 Champaign, LLC	Arevon Energy, Inc.	Champaign, IL	4 GWh	Aug 2021	Dec 2025	Solar
USS Franklin Solar LLC	United States Solar Corporation	Franklin, MN	2 GWh	Dec 2022	Dec 2025	Solar
USS Catfish Solar LLC	United States Solar Corporation	Franklin, MN	2 GWh	Dec 2022	Dec 2025	Solar
USS Itasca Clean Energy Solar LLC	United States Solar Corporation	Grand Rapids, MN	4 GWh	Jul 2022	Dec 2025	Solar
USS Mesa Solar LLC	United States Solar Corporation	Danube, MN	2 GWh	Dec 2022	Dec 2025	Solar
USS Wells Creek Solar LLC	United States Solar Corporation	Goodhue, MN	2 GWh	Dec 2022	Dec 2025	Solar
SolarClub 10 LLC	Nautilus Solar Solutions	Monticello, MN	2 GWh	Nov 2020	Dec 2025	Solar
SolarClub 15 LLC	Nautilus Solar Solutions	Clear Lake, MN	2 GWh	Nov 2020	Dec 2025	Solar
SolarClub 20 LLC	Nautilus Solar Solutions	Wabasha, MN	2 GWh	Nov 2020	Dec 2025	Solar
SolarClub 23 LLC	Nautilus Solar Solutions	La Crescent, MN	2 GWh	Nov 2020	Dec 2025	Solar
SolarClub 28 LLC	Nautilus Solar Solutions	Gaylord, MN	2 GWh	Nov 2020	Dec 2025	Solar
SolarClub 35 LLC	Nautilus Solar Solutions	Mankato, MN	2 GWh	Nov 2020	Dec 2025	Solar
Garden 1 Solar Park	DTE Sustainable Generation	Garden Township, MI	1 GWh	Aug 2016	Dec 2025	Solar
Garden 2 Solar Park	DTE Sustainable Generation	Garden Township, MI	3 GWh	May 2022	Dec 2025	Solar
Bear Grove Solar	Bear Grove Solar, LLC	Byron, MN	2 GWh	Jan 2023	Dec 2025	Solar
Dodge Renewables 1	Dodge Renewables 1, LLC	Dodge Center, MN	2 GWh	Jul 2022	Dec 2025	Solar
Dodge Renewables 2	Dodge Renewables 2, LLC	Hayfield, MN	2 GWh	Aug 2022	Dec 2025	Solar
Hormel CSG Solar	DG Central 1, LLC	Montevideo, MN	2 GWh	Nov 2022	Dec 2025	Solar
MN CSG 2019-38 DE LLC	MN CSG 2019-38 DE LLC	Cleveland, MN	2 GWh	Oct 2022	Dec 2025	Solar
ENGIE 2020 ProjectCo-WI1 LLC	ENGIE 2020 ProjectCo-WI1 LLC	Fond Du Lac, WI	2 GWh	Nov 2021	Dec 2025	Solar
Cattail (CSG)	Cattail Solar, LLC	Fulton, IL	4 GWh	May 2022	Dec 2025	Solar
Kohler Solar	Wisconsin Power & Light Co	Kohler, WI	3 GWh	May 2022	Dec 2025	Solar
Rock Aetna Power Partners	Northern States Power Co - Minnesota	Woodstock, MN	84 GWh	Nov 2022	Dec 2025	Wind
Montgomery County Community Solar Center	Union Electric Co - (MO)	New Florence, MO	7 GWh	Feb 2022	Dec 2025	Solar
Rockford CS 1	Rockford CS 1, LLC	Rockford, IL	4 GWh	Mar 2021	Dec 2025	Solar
Rockford CS 2	Rockford CS 2, LLC	Rockford, IL	4 GWh	Mar 2021	Dec 2025	Solar
Alden Road Harvard Solar 1	Alden Road Harvard Solar 1, LLC	Harvard, IL	4 GWh	Nov 2020	Dec 2025	Solar

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