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
Westside Energy Station	Rochester Public Utilities	Rochester, MN	57 GWh	Feb 2018	Dec 2025	Natural Gas
Armstrong Solar	ETCAP NES CS MN 06 LLC	Glenwood, MN	5 GWh	Feb 2018	Dec 2025	Solar
Taurus Community Solar	Taurus Community Solar	Montevideo, MN	6 GWh	Feb 2018	Dec 2025	Solar
Argo Navis Community Solar	Argo Navis Community Solar	Scandia, MN	5 GWh	Feb 2018	Dec 2025	Solar
Delphinus Community Solar	Delphinus Community Solar	Sauk Rapids, MN	3 GWh	Feb 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
Dundas Solar Holdings LLC CSG	Altus Power America Management, LLC	Northfield, MN	8 GWh	Feb 2018	May 2026	Solar
Waterville CSG Solar Holdings LLC	Altus Power America Management, LLC	Waterville, MN	8 GWh	Feb 2018	May 2026	Solar
Sherburne Community Solar	Onsite Partners, LLC	Clear Lake, MN	8 GWh	Feb 2018	May 2026	Solar
WasecaSun	Geronimo Power	Waseca, MN	9 GWh	Jan 2018	Dec 2025	Solar
Carina Community Solar	Carina Community Solar	Zumbro Falls, MN	6 GWh	Jan 2018	Dec 2025	Solar
Lyra Community Solar	Lyra Community Solar	Waterville, MN	5 GWh	Jan 2018	Dec 2025	Solar
DG AMP Solar Coldwater	DG AMP Solar, LLC	Coldwater, MI	2 GWh	Jan 2018	Dec 2025	Solar
Porter Way Community Solar Garden	Onsite Partners, LLC	Waconia, MN	5 GWh	Jan 2018	May 2026	Solar
Veseli Community Solar Garden	Veseli Solar I LLC	Webster, MN	2 GWh	Jan 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
Berryville School District Solar	Today's Power, Inc.	Berryville, AR	2 GWh	Jan 2018	Dec 2025	Solar
Prairie Wind Farm	MidAmerican Energy Co	Montezuma, IA	611 GWh	Dec 2017	May 2026	Wind
New Auburn DPC Solar	SoCore Energy LLC	New Auburn, WI	5 GWh	Dec 2017	May 2026	Solar
Nesvold Watertown Solar	SoCore Energy LLC	Watertown, MN	9 GWh	Dec 2017	Dec 2025	Solar
Lahr 1, LLC	SoCore Energy LLC	Wakefield Township, MN	8 GWh	Dec 2017	Dec 2025	Solar
Stuttgart Solar	Stuttgart Solar, LLC	Stuttgart, AR	149 GWh	Dec 2017	May 2026	Solar
Johnson Solar CSG	Geronimo Power	Edgerton, MN	9 GWh	Dec 2017	Dec 2025	Solar
Gopher CSG	SoCore Energy LLC	Taylor Falls, MN	8 GWh	Dec 2017	Dec 2025	Solar
Taylors Falls CSG	SoCore Energy LLC	Taylor Falls, MN	8 GWh	Dec 2017	Dec 2025	Solar
LeSun CSG, LLC	SunStrong Management, LLC	Waterville, MN	8 GWh	Dec 2017	Dec 2025	Solar
WrightSun CSG, LLC	SunStrong Management, LLC	St. Michael, MN	8 GWh	Dec 2017	Dec 2025	Solar
Scandia CSG	Madison Energy Investments LLC	Scandia, MN	9 GWh	Dec 2017	Sep 2025	Solar
MP CSG 1 LLC	United States Solar Corporation	Wrenshall, MN	2 GWh	Dec 2017	Dec 2025	Solar
Sumrall II Solar Farm	Onward Energy	Sumrall, MS	109 GWh	Nov 2017	May 2026	Solar
Spartan PV 1, LLC	NJR Clean Energy Ventures Corporation	East Lansing, MI	12 GWh	Nov 2017	Dec 2024	Solar
Michael Solar	SoCore Energy LLC	Freeport, MN	7 GWh	Nov 2017	Dec 2025	Solar
Kramer Solar CSG	Geronimo Power	Hector, MN	6 GWh	Nov 2017	Dec 2025	Solar
Beaver Creek Wind	MidAmerican Energy Co	Ogden, IA	1 TWh	Nov 2017	May 2026	Wind
CF Novel Solar CSG Gardens Two, LLC	SunStrong Management, LLC	Minnesota Lake, MN	3 GWh	Nov 2017	Dec 2025	Solar
CF Novel Solar CSG Gardens Eleven, LLC	SunStrong Management, LLC	Mankato, MN	5 GWh	Nov 2017	Dec 2025	Solar
Crater Community Solar	Crater Community Solar	Granite Falls, MN	5 GWh	Nov 2017	Dec 2025	Solar
Red Pine Wind Project	EDF Renewable Asset Holdings, Inc.	Ivanhoe, MN	765 GWh	Nov 2017	May 2026	Wind
DodgeSun CSG	Geronimo Power	Kasson, MN	9 GWh	Nov 2017	Dec 2024	Solar
Richmond CSG	SoCore Energy LLC	Richmond, MN	9 GWh	Nov 2017	Dec 2025	Solar
Northfield Holdco CSG	Northfield Holdco LLC	Northfield, MN	8 GWh	Nov 2017	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
CGSun, LLC Community Solar	SunStrong Management, LLC	Cottage Grove, MN	6 GWh	Nov 2017	Dec 2025	Solar
CF Novel Solar CSG Gardens Seven, LLC	SunStrong Management, LLC	Clear Lake, MN	4 GWh	Nov 2017	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
Tatanka Wi	HQC Tatanka Wi Solar Power Generation LLC	Buffalo, MN	10 GWh	Nov 2017	Dec 2025	Solar
GRE Marshan Solar	SoCore Energy LLC	Hastings, MN	1 GWh	Oct 2017	Dec 2025	Solar
Strawberry Point DPC Solar	SoCore Energy LLC	Strawberry Point, IA	2 GWh	Oct 2017	Dec 2025	Solar
Sand Lake DPC Solar	SoCore Energy LLC	Centuria, WI	2 GWh	Oct 2017	Dec 2025	Solar
Koppelman Sun CSG	Geronimo Power	Eagle Lake, MN	9 GWh	Oct 2017	Dec 2025	Solar
Rengstorf Solar CSG	Geronimo Power	Coutland, MN	9 GWh	Oct 2017	Dec 2025	Solar
Waterford Holdco CSG	Waterford Holdco LLC	Waterford, MN	4 GWh	Oct 2017	Dec 2025	Solar
B.R. Corcoran CSG	Minnesota Solar CSG 19, LLC	Corcoran, MN	8 GWh	Oct 2017	Dec 2024	Solar
B.R. Sartell CSG	Minnesota Solar CSG 21, LLC	Sartell, MN	4 GWh	Oct 2017	Dec 2024	Solar
B.R. Sauk Rapids CSG	Minnesota Solar CSG 9, LLC	Sauk Rapids, MN	8 GWh	Oct 2017	Dec 2024	Solar
Montgomery Winsted CSG	Minnesota Solar CSG 4, LLC	Winsted, MN	5 GWh	Oct 2017	Dec 2024	Solar
Apple Blossom Wind Farm	Apple Blossom Wind, LLC	Pigeon, MI	248 GWh	Oct 2017	May 2026	Wind
Univ Minnesota CHP Plant	University of Minnesota Central Utilities	Minneapolis, MN	172 GWh	Oct 2017	Dec 2025	Natural Gas : 99.7%
Aries Community Solar	Aries Community Solar	Claremont, MN	7 GWh	Sep 2017	Dec 2025	Solar
Vega Community Solar	Vega Community Solar	Glenwood, MN	8 GWh	Sep 2017	Dec 2025	Solar
Capella Community Solar	Capella Community Solar	Pipestone, MN	9 GWh	Sep 2017	Dec 2025	Solar
Caelum Community Solar	Caelum Community Solar	Foley, MN	3 GWh	Sep 2017	Dec 2025	Solar
Andromeda Community Solar	Andromeda Community Solar	Lester Prairie, MN	8 GWh	Sep 2017	Dec 2025	Solar
TCLP Solar Phase 1	Heritage Sustainable Energy. LLC	Traverse City, MI	1 GWh	Sep 2017	Dec 2025	Solar
Spring Mill Solar RES	Hoosier Energy R E C, Inc	Mitchell, IN	1 GWh	Aug 2017	Dec 2025	Solar
Decatur Co. Solar RES (IN)	Hoosier Energy R E C, Inc	Greensburg, IN	2 GWh	Aug 2017	Dec 2025	Solar
Jackson Co. Solar RES	Hoosier Energy R E C, Inc	Columbus, IN	1 GWh	Aug 2017	Dec 2025	Solar
Big Lake Holdco Solar CSG	Big Lake Holdco LLC	Big Lake, MN	8 GWh	Aug 2017	Dec 2024	Solar
Antlia Community Solar	Antlia Community Solar	Edgerton, MN	3 GWh	Aug 2017	Dec 2025	Solar
Centaurus Community Solar	Centaurus Community Solar	Maynard, MN	3 GWh	Aug 2017	Dec 2025	Solar
Gemini Community Solar	Gemini Community Solar	Scandia, MN	5 GWh	Aug 2017	Dec 2025	Solar
West Dubuque Solar	Interstate Power and Light Co	Dubuque, IA	6 GWh	Aug 2017	Dec 2025	Solar
Quilt Block Wind Farm LLC	Quilt Block Wind Farm LLC	Darlington, WI	371 GWh	Aug 2017	May 2026	Wind
Marquette Energy Center	City of Marquette - (MI)	Marquette, MI	164 GWh	Jul 2017	Dec 2025	Natural Gas : 98.9% Distillate Fuel Oil : 1.1%
Spica Community Solar	Spica Community Solar	Lake Lillian, MN	3 GWh	Jul 2017	Dec 2025	Solar
Pegasus Community Solar	Pegasus Community Solar	Brooten, MN	3 GWh	Jul 2017	Dec 2025	Solar
Equuleus Community Solar Gardens	MN8 Energy LLC	Rosemount, MN	8 GWh	Jul 2017	Dec 2025	Solar
O'Shea Solar Farm	DTE Electric Company	Detroit, MI	3 GWh	Jun 2017	Dec 2025	Solar
Webster Holdco Solar CSG	Webster Holdco LLC	Webster, MN	8 GWh	Jun 2017	Dec 2025	Solar
Dodge Holdco Solar CSG	Dodge Holdco LLC	Kasson, MN	7 GWh	Jun 2017	Dec 2025	Solar
Hwy 14 Holdco Solar CSG	Hwy 14 Holdco, LLC	Byron, MN	7 GWh	Jun 2017	Dec 2025	Solar
Forest Lake Solar CSG	Forest Lake Holdco LLC	Scandia, MN	7 GWh	Jun 2017	Dec 2025	Solar
Smithland Hydroelectric Plant	American Mun Power-Ohio, Inc	Smithland, KY	421 GWh	Jun 2017	May 2026	Water
Holland Energy Park	City of Holland - (MI)	Holland, MI	974 GWh	May 2017	Dec 2025	Natural Gas
Lafayette DPC Solar	SoCore Energy LLC	Chippewa Falls, WI	2 GWh	May 2017	Dec 2025	Solar
Conrath DPC Solar	SoCore Energy LLC	Conrath, WI	1 GWh	May 2017	Dec 2025	Solar
Whistling Winds DPC Solar	SoCore Energy LLC	New Lisbon, WI	2 GWh	May 2017	May 2026	Solar
Mapleton Community Solar	Mapleton Community Solar	Mapleton, MN	5 GWh	May 2017	Dec 2025	Solar
Lemond Solar	Adapture Renewables, Inc.	Owatonna, MN	9 GWh	May 2017	Dec 2025	Solar
POET Biorefining - North Manchester, LLC	POET Biorefining - North Manchester, LLC	North Manchester, IN	17 GWh	May 2017	Dec 2025	Natural Gas
Demille Solar Farm	DTE Electric Company	Lapeer, MI	37 GWh	Apr 2017	May 2026	Solar
Turrill Solar Farm	DTE Electric Company	Lapeer, MI	20 GWh	Apr 2017	Dec 2025	Solar
Warren DPC Solar	SoCore Energy LLC	Roberts, WI	4 GWh	Apr 2017	May 2026	Solar
Liberty Pole DPC Solar	SoCore Energy LLC	Viroqua, WI	2 GWh	Apr 2017	May 2026	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