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
Volkman Road Solar Array Hybrid	Southern Indiana Gas & Elec Co	Evansville, IN	3 GWh	Oct 2018	Dec 2025	Solar
Equuleus Community Solar Gardens	MN8 Energy LLC	Rosemount, MN	8 GWh	Jul 2017	Dec 2025	Solar
Johnson Solar CSG	Geronimo Power	Edgerton, MN	9 GWh	Dec 2017	Dec 2025	Solar
Koppelman Sun CSG	Geronimo Power	Eagle Lake, MN	9 GWh	Oct 2017	Dec 2025	Solar
Lindstrom Solar CSG	Geronimo Power	Lindstrom, MN	5 GWh	Mar 2018	Dec 2025	Solar
Rengstorf Solar CSG	Geronimo Power	Coutland, MN	9 GWh	Oct 2017	Dec 2025	Solar
St. Cloud Solar CSG	Geronimo Power	St. Cloud, MN	8 GWh	Mar 2018	Dec 2025	Solar
A.J. Mihm Generating Station	Upper Michigan Energy Resources Company	Pelkie, MI	185 GWh	Feb 2019	Dec 2025	Natural Gas
F.D. Kuester Generating Station	Upper Michigan Energy Resources Company	Negaunee, MI	368 GWh	Feb 2019	Dec 2025	Natural Gas
Gopher CSG	SoCore Energy LLC	Taylor Falls, MN	8 GWh	Dec 2017	Dec 2025	Solar
Richmond CSG	SoCore Energy LLC	Richmond, MN	9 GWh	Nov 2017	Dec 2025	Solar
Taylors Falls CSG	SoCore Energy LLC	Taylor Falls, MN	8 GWh	Dec 2017	Dec 2025	Solar
DG AMP Solar Coldwater	DG AMP Solar, LLC	Coldwater, MI	2 GWh	Jan 2018	Dec 2025	Solar
Northfield Holdco CSG	Northfield Holdco LLC	Northfield, MN	8 GWh	Nov 2017	Dec 2025	Solar
Waterford Holdco CSG	Waterford Holdco LLC	Waterford, MN	4 GWh	Oct 2017	Dec 2025	Solar
SunE Feely 1 CSG, LLC	Ecoplexus, Inc	Farmington, MN	8 GWh	Aug 2018	Dec 2025	Solar
Cottage Grove CSG, LLC	Ecoplexus, Inc	Cottage Grove, MN	7 GWh	Feb 2018	Dec 2025	Solar
Fox CSG, LLC	Ecoplexus, Inc	Taylors Falls, MN	7 GWh	Feb 2018	Dec 2025	Solar
SunE Stolee CSG, LLC	Ecoplexus, Inc	Kenyon, MN	5 GWh	Feb 2018	Dec 2025	Solar
Wyoming 2 CSG, LLC	Ecoplexus, Inc	Wyoming, MN	8 GWh	Feb 2018	Dec 2025	Solar
RJC I CSG	RJC I CSG LLC	Owatonna, MN	2 GWh	Jun 2018	Dec 2025	Solar
Huneke I CSG	Huneke I CSG LLC	Zumbrota, MN	2 GWh	Apr 2018	Dec 2025	Solar
Krause CSG	Standard Solar	Renville, MN	2 GWh	Apr 2018	Dec 2025	Solar
School Sisters CSG	School Sisters CSG LLC	Mankato, MN	2 GWh	Apr 2018	Dec 2025	Solar
PopeSun CSG, LLC	SunStrong Management, LLC	Starbuck, MN	6 GWh	Nov 2017	Dec 2025	Solar
CF Novel Solar CSG Gardens Five, LLC	SunStrong Management, LLC	Waseca, MN	6 GWh	Nov 2017	Dec 2025	Solar
LeSun CSG, LLC	SunStrong Management, LLC	Waterville, MN	8 GWh	Dec 2017	Dec 2025	Solar
CGSun, LLC Community Solar	SunStrong Management, LLC	Cottage Grove, MN	6 GWh	Nov 2017	Dec 2025	Solar
WrightSun CSG, LLC	SunStrong Management, LLC	St. Michael, MN	8 GWh	Dec 2017	Dec 2025	Solar
CF Novel Solar CSG Gardens Seven, LLC	SunStrong Management, LLC	Clear Lake, MN	4 GWh	Nov 2017	Dec 2025	Solar
Veseli Community Solar Garden	Veseli Solar I LLC	Webster, MN	2 GWh	Jan 2018	Dec 2025	Solar
New Germany Community Solar Garden	New Germany Solar I LLC	New Germany, MN	2 GWh	Mar 2018	Dec 2025	Solar
Lake Waconia Community Solar Garden	Lake Waconia Solar LLC	Waconia, MN	3 GWh	Jan 2018	Dec 2025	Solar
Lake Waconia IV Community Solar Garden	Lake Waconia Solar IV LLC	Waconia, MN	3 GWh	Jan 2018	Dec 2025	Solar
Zumbro Community Solar Garden	Zumbro Solar LLC	Zumbrota, MN	2 GWh	Mar 2018	Dec 2025	Solar
MontSun Community Solar	Generate Capital	Montrose, MN	9 GWh	Nov 2017	Dec 2025	Solar
WaveSun Community Solar	Generate Capital	Waverly, MN	8 GWh	Nov 2017	Dec 2025	Solar
Altair Community Solar Garden	Geronimo Power	New Richmond, MN	2 GWh	Jan 2019	Dec 2025	Solar
ENO Paterson Solar	Entergy New Orleans, LLC	New Orleans, LA	1 GWh	May 2016	Dec 2025	Solar
Capricornus Community Solar Garden	Geronimo Power	Paynsville, MN	2 GWh	Dec 2018	Dec 2025	Solar
RJC II Community Solar Garden	RJC II CSG LLC	Owatonna, MN	2 GWh	May 2018	Dec 2025	Solar
Betcher Community Solar Garden	Betcher CSG LLC	Goodhue, MN	2 GWh	Jul 2018	Dec 2025	Solar
Tatanka Wi	HQC Tatanka Wi Solar Power Generation LLC	Buffalo, MN	10 GWh	Nov 2017	Dec 2025	Solar
Johnson 1 Community Solar	Johnson I CSG LLC	Lindstrom, MN	2 GWh	Jul 2018	Dec 2025	Solar
Johnson II Community Solar	Johnson II CSG LLC	North Branch, MN	1 GWh	Aug 2018	Dec 2025	Solar
Aquila Community Solar	Geronimo Power	Glenwood, MN	2 GWh	Feb 2019	Dec 2025	Solar
Auriga Community Solar	Geronimo Power	Slayton, MN	2 GWh	Nov 2018	Dec 2025	Solar
Libra Community Solar	Geronimo Power	Glenwood, MN	2 GWh	Oct 2018	Dec 2025	Solar
Aquarius Community Solar	Geronimo Power	Tracy, MN	2 GWh	Apr 2019	Dec 2025	Solar
Cassiopeia Community Solar	Geronimo Power	Glenwood, MN	2 GWh	Feb 2019	Dec 2025	Solar
Crux Community Solar	Geronimo Power	Kasson, MN	2 GWh	Dec 2018	Dec 2025	Solar
Leo Community Solar	Geronimo Power	Hadley, MN	2 GWh	Nov 2018	Dec 2025	Solar
Rensselaer Solar Site 2	Indiana Municipal Power Agency	Rensselaer, IN	7 GWh	Nov 2018	Dec 2025	Solar
IKEA Oak Creek Rooftop PV System	IKEA Property Inc	Oak Creek, WI	1 GWh	May 2018	Dec 2025	Solar
Amana Society Service Company	Amana Society Service Co	Middle Amana, IA	1 GWh	Apr 2001	Dec 2025	Distillate Fuel Oil
Montevideo Solar LLC, CSG	Montevideo Solar LLC	Montevideo, MN	10 GWh	Dec 2018	Dec 2025	Solar
John A Logan College Solar	REA Investments, LLC	Carterville, IL	2 GWh	Nov 2019	Dec 2025	Solar
Staunton	Cypress Creek Renewables	Brazil, IN	6 GWh	Nov 2018	Dec 2025	Solar
Frontenac Holdco LLC, CSG	Frontenac Holdco LLC	Frontenac, MN	8 GWh	Feb 2019	Dec 2025	Solar
Delta Solar Power I	Delta Solar Power I, LLC	Grand Ledge, MI	13 GWh	May 2018	Dec 2025	Solar
Delta Solar Power II	Delta Solar Power II, LLC	Grand Ledge, MI	25 GWh	Jun 2018	Dec 2025	Solar
Chisago Holdco LLC, CSG	Chisago Holdco LLC	Center City, MN	5 GWh	Apr 2019	Dec 2025	Solar
Corcoran CSG	Altus Power America Management, LLC	Corcoran, MN	8 GWh	Dec 2018	Dec 2025	Solar
Cornillie	Terraform Arcadia	North Branch, MN	2 GWh	Jul 2018	Dec 2025	Solar
Syncarpha Prinsburg CSG (Ledeboer)	Prinsburg CSG I, LLC	Prinsburg, MN	2 GWh	Nov 2018	Dec 2025	Solar
Syncarpha Clara City CSG I (Stamer)	Clara City CSG I, LLC	Clara City, MN	2 GWh	Nov 2018	Dec 2025	Solar
TAC-Distributed Energy Resource Hybrid	Ameren Illinois	Champaign, IL	294 MWh	Feb 2017	Dec 2025	Solar : 62.7% Wind : 37.0%
USS Big Lake 1 Solar CSG	United States Solar Corporation	Big Lake, MN	2 GWh	Nov 2018	Dec 2025	Solar
USS Good Solar CSG	United States Solar Corporation	Stacy, MN	2 GWh	Nov 2018	Dec 2025	Solar
USS Kasch Solar CSG	United States Solar Corporation	Sauk Rapids, MN	2 GWh	Sep 2018	Dec 2025	Solar
USS Rockpoint Solar CSG	United States Solar Corporation	Stacy, MN	2 GWh	Nov 2018	Dec 2025	Solar
Gibbon Solar	Green Street Power Partners	Gibbon, MN	6 GWh	May 2019	Dec 2025	Solar
Sartell Holdco CSG	Sartell Holdco LLC	Sartell, MN	8 GWh	Apr 2019	Dec 2025	Solar
Rollingstone Holdco CSG	Rollingstone Holdco LLC	Rollingstone, MN	8 GWh	Jul 2019	Dec 2025	Solar
Becker Solar CSG	SunShare Management	St. Michael, MN	1 GWh	Feb 2019	Dec 2025	Solar
USS Solar Rapids CSG	United States Solar Corporation	Sauk Rapids, MN	2 GWh	Dec 2018	Dec 2025	Solar
USS Norelius Solar CSG	United States Solar Corporation	North Branch, MN	2 GWh	Dec 2018	Dec 2025	Solar
USS Nillie Corn Solar CSG	United States Solar Corporation	North Branch, MN	2 GWh	Nov 2018	Dec 2025	Solar
USS JJ Solar CSG	United States Solar Corporation	Sauk Rapids, MN	2 GWh	Dec 2018	Dec 2025	Solar
USS Dubhe Solar CSG	United States Solar Corporation	North Branch, MN	2 GWh	Nov 2018	Dec 2025	Solar
USS Brockway Solar CSG	United States Solar Corporation	Sartell, MN	2 GWh	Dec 2018	Dec 2025	Solar
Syncarpha Dodge 1 CSG	Solar Provider Group MN I LLC	Dodge Center, MN	2 GWh	Apr 2019	Dec 2025	Solar
Anoka County MN CONX	SoCore Energy LLC	Ramsey, MN	6 GWh	Sep 2018	Dec 2025	Solar
Athens MN CONX	SoCore Energy LLC	Athens, MN	10 GWh	Nov 2018	Dec 2025	Solar
Becker Solar 2 CSG	SunShare Management	St. Michael, MN	1 GWh	Feb 2019	Dec 2025	Solar
Becker Solar 3 CSG	SunShare Management	St. Michael, MN	1 GWh	Feb 2019	Dec 2025	Solar
Becker Solar 4 CSG	SunShare Management	St. Michael, MN	1 GWh	Feb 2019	Dec 2025	Solar
Becker Solar 5 CSG	SunShare Management	St. Michael, MN	1 GWh	Feb 2019	Dec 2025	Solar
Beloit Memorial Hospital Power Plant	Beloit Memorial Hospital	Beloit, WI	147 MWh	May 2000	Dec 2025	Natural Gas : 99.1% Distillate Fuel Oil : 0.9%
Roseman	Roseman Energy, LLC	Anita, IA	7 GWh	Jan 2017	Dec 2025	Wind
Eichtens II CSG	Terraform Arcadia	Winstead, MN	2 GWh	Aug 2018	Dec 2025	Solar
Barone CSG	Terraform Arcadia	Winstead, MN	2 GWh	Sep 2018	Dec 2025	Solar
Huneke II CSG	Terraform Arcadia	Zumbrota, MN	2 GWh	Aug 2018	Dec 2025	Solar
Goose Lake MN DPC-GM	ENGIE Generation North America LLC	Albert Lea, MN	3 GWh	Jan 2019	Dec 2025	Solar
Galactic Wind	Galactic Wind	Waunakee, WI	21 GWh	Nov 2012	Dec 2025	Wind
4710 Hosting	Epic Hosting, LLC	Rochester, MN	63 MWh	May 2012	Dec 2025	Distillate Fuel Oil
Birch	Birch Power LLC	Clearfield, IA	7 GWh	Jan 2017	Dec 2025	Wind
Winegar CSG	Terraform Arcadia	Waseca, MN	2 GWh	Sep 2018	Dec 2025	Solar
Bolduan CSG	Terraform Arcadia	New Richland, MN	2 GWh	Oct 2018	Dec 2025	Solar
Guse CSG	Terraform Arcadia	Janesville, MN	2 GWh	Aug 2018	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