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
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
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%
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
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
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
Owatonna Energy Station	Southern Minnesota Mun P Agny	Owatonna, MN	2 GWh	Feb 2018	Dec 2025	Natural Gas
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
Marmas Solar CSG	Geronimo Power	St. Cloud, MN	5 GWh	Mar 2018	Dec 2025	Solar
Lindstrom Solar CSG	Geronimo Power	Lindstrom, MN	5 GWh	Mar 2018	Dec 2025	Solar
St. Cloud Solar CSG	Geronimo Power	St. Cloud, MN	8 GWh	Mar 2018	Dec 2025	Solar
Carver Gladden CSG	Minnesota Solar CSG 8, LLC	Norwood Young America, MN	5 GWh	Mar 2018	Dec 2024	Solar
New Germany Community Solar Garden	New Germany Solar I LLC	New Germany, MN	2 GWh	Mar 2018	Dec 2025	Solar
Zumbro Community Solar Garden	Zumbro Solar LLC	Zumbrota, MN	2 GWh	Mar 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
Grimm Community Solar	Grimm CSG LLC	Buffalo Lake, MN	2 GWh	Apr 2018	Nov 2025	Solar
Red Maple Solar	Terraform Arcadia	Cleveland, MN	5 GWh	May 2018	Dec 2025	Solar
Antares Community Solar	Antares Community Solar	Tracy, MN	5 GWh	May 2018	Dec 2025	Solar
RJC II Community Solar Garden	RJC II CSG LLC	Owatonna, MN	2 GWh	May 2018	Dec 2025	Solar
Bishop Hill III	Invenergy Services LLC	Cambridge, IL	426 GWh	May 2018	May 2026	Wind
Heyer CSG	Heyer CSG LLC	Morristown, MN	2 GWh	May 2018	Dec 2024	Solar
IKEA Oak Creek Rooftop PV System	IKEA Property Inc	Oak Creek, WI	1 GWh	May 2018	Dec 2025	Solar
Big Lake Project CSG	Madison Energy Investments LLC	Big Lake, MN	9 GWh	May 2018	Sep 2025	Solar
Delta Solar Power I	Delta Solar Power I, LLC	Grand Ledge, MI	13 GWh	May 2018	Dec 2025	Solar
POET Biorefining Caro, LLC	POET Biorefining Caro, LLC	Caro, MI	13 GWh	May 2018	Dec 2025	Natural Gas
Novel OYA of Osakis CSG	NRG MN Community LLC	Osakis, MN	9 GWh	Jun 2018	Dec 2025	Solar
Novel - OYA of Mapleton CSG	NRG MN Community LLC	Mapleton, MN	6 GWh	Jun 2018	Dec 2025	Solar
RJC I CSG	RJC I CSG LLC	Owatonna, MN	2 GWh	Jun 2018	Dec 2025	Solar
Scandia Community Solar Garden	Scandia CSG LLC	Scandia, MN	4 GWh	Jun 2018	Dec 2024	Solar
Foreman's Hill Community Solar	Foreman's Hill CSG LLC	Red Wing, MN	7 GWh	Jun 2018	Dec 2024	Solar
Sherburne North Project CSG	Madison Energy Investments LLC	St. Cloud, MN	8 GWh	Jun 2018	Sep 2025	Solar
Delta Solar Power II	Delta Solar Power II, LLC	Grand Ledge, MI	25 GWh	Jun 2018	Dec 2025	Solar
Betcher Community Solar Garden	Betcher CSG LLC	Goodhue, MN	2 GWh	Jul 2018	Dec 2025	Solar
Johnson 1 Community Solar	Johnson I CSG LLC	Lindstrom, MN	2 GWh	Jul 2018	Dec 2025	Solar
Cornillie	Terraform Arcadia	North Branch, MN	2 GWh	Jul 2018	Dec 2025	Solar
POET Biorefining - Chancellor	POET Biorefining- Chancellor	Chancellor, SD	28 GWh	Jul 2018	Dec 2025	Wood/Wood Waste Solids : 70.4% Natural Gas : 25.9% Landfill Gas : 3.8%

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