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
Moose Lake	Moose Lake Water & Light Comm	Moose Lake, MN	128 MWh	Oct 1952	Dec 2025	Distillate Fuel Oil : 92.0% Natural Gas : 8.0%
Mora	City of Mora - (MN)	Mora, MN	1 GWh	Aug 1957	Dec 2025	Natural Gas : 71.2% Distillate Fuel Oil : 28.8%
Moraine CSG	Moraine Solar, LLC	Downs, IL	5 GWh	Aug 2021	Dec 2025	Solar
Moraine II Wind LLC	Avangrid Power LLC	Woodstock, MN	101 GWh	Jan 2009	Dec 2025	Wind
Moraine Sands Wind Power	Moraine Sands Wind Power, LLC	Mason City, IL	574 GWh	Nov 2023	Jul 2026	Wind
Moraine Wind LLC	Avangrid Power LLC	Woodstock, MN	89 GWh	Nov 2003	Dec 2025	Wind
Moreau	Union Electric Co - (MO)	Moreau, MO	2 GWh	Jul 1978	Dec 2025	Distillate Fuel Oil
Morey Road	Greenbacker Renewable Energy Corporation	Lake City, MI	4 GWh	Oct 2024	Dec 2025	Solar
Morgan Community Solar	Morgan Community Solar	Morgan, MN	5 GWh	Mar 2017	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
Morgan Solar 2, LLC CSG	Morgan Solar 2, LLC	Murrayville, IL	4 GWh	Oct 2020	Dec 2025	Solar
Morgan Solar 4, LLC CSG	Morgan Solar 4, LLC	Murrayville, IL	4 GWh	Nov 2020	Dec 2025	Solar
Morning Light Wind Farm	MidAmerican Energy Co	Adair, IA	407 GWh	Sep 2012	Dec 2025	Wind
Morris Solar	AES Clean Energy	Kirksville, MO	435 GWh	May 2025	Jul 2026	Solar
Mosaic Phosphates Uncle Sam	Mosaic Phosphates Co.	Uncle Sam, LA	99 GWh	Dec 1967	Jul 2026	Waste Heat : 91.7% Natural Gas : 8.3%
Moselle	Cooperative Energy	Moselle, MS	2 TWh	Jul 1970	Jul 2026	Natural Gas
Mosinee Mill	Ahlstrom-Munksjo NA Specialty Solutions, LLC	Mosinee, WI	95 GWh	Jun 1916	Jul 2026	Black Liquor : 41.5% Natural Gas : 27.8% Water : 14.2% Bituminous Coal : 10.5% Wood/Wood Waste Solids : 4.7% Sludge Waste : 1.1%
Motiva Enterprises Port Arthur Refinery	Motiva Enterprises LLC	Port Arthur, TX	2 TWh	May 1957	Jul 2026	Natural Gas : 90.7% Other Gas : 9.3%
Mountain Lake	City of Mountain Lake - (MN)	Mountain Lake, MN	3 GWh	Apr 1954	Dec 2025	Wind : 96.5% Distillate Fuel Oil : 1.9% Natural Gas : 1.6%
Mower County Wind Energy Center	Northern States Power Co - Minnesota	Grand Meadow, MN	334 GWh	Nov 2006	Dec 2025	Wind
MP CSG 1 LLC	United States Solar Corporation	Wrenshall, MN	2 GWh	Dec 2017	Dec 2025	Solar
MSC-Chisago01 LLC CSG	MSC-Chisago01 LLC	Taylors Falls, MN	2 GWh	Jun 2019	Dec 2025	Solar
MSC-Chisago02 LLC	MSC-Chisago02 LLC	Taylors Falls, MN	954 MWh	Jul 2019	Dec 2025	Solar
MSC Croswell	Michigan Sugar Company	Croswell, MI	36 MWh	Sep 1948	Jan 2025	Natural Gas
MSC-Empire01, LLC	MSC-Empire01, LLC	Farmington, MN	2 GWh	Jul 2019	Dec 2025	Solar
MSC-GreyCloud01 Community Solar	MSC-GreyCloud01 LLC	St. Paul Park, MN	2 GWh	Feb 2019	Dec 2024	Solar
MSC-Rice01 LLC CSG	MSC-Rice01 LLC	Morristown, MN	2 GWh	Jun 2019	Dec 2025	Solar
MSC-Scandia01 CSG	MSC-Scandia01 LLC	Scandia, MN	2 GWh	Mar 2019	Dec 2024	Solar
MSC-Scott01 LLC	MSC-Scott01 LLC	Jordan, MN	754 MWh	Jul 2019	Dec 2025	Solar
MSC Sebewaing	Michigan Sugar Company	Sebewaing, MI	509 MWh	Sep 1979	Mar 2026	Bituminous Coal : 67.9% Natural Gas : 32.1%
Mt. Hope DPC Solar	SoCore Energy LLC	Mt. Hope, WI	2 GWh	Dec 2016	Jul 2026	Solar
MU Combined Heat and Power Plant	Curators of the University of Missouri	Columbia, MO	197 GWh	Jun 1961	Jul 2026	Natural Gas : 77.6% Wood/Wood Waste Solids : 20.6% Bituminous Coal : 1.8%
Mud Garden Solar	Mud Garden LLC	Gaylord, MN	2 GWh	Feb 2020	Dec 2025	Solar
Mulligan Solar, LLC	Mulligan Solar	Broadwell, IL	146 GWh	Jun 2022	Jul 2026	Solar
Municipal Power Plant	City of Zeeland - (MI)	Zeeland, MI	205 MWh	May 2002	Dec 2025	Natural Gas
Munster Landfill Gas-to-Energy	Town of Munster	Munster, IN	4 GWh	Oct 2012	Dec 2024	Landfill Gas
Murray	City of North Little Rock - (AR)	North Little Rock, AR	116 GWh	Sep 1988	Dec 2025	Water
Muscatine Plant #1	Board of Water Electric & Communications	Muscatine, IA	711 GWh	Mar 1958	Jul 2026	Subbituminous Coal : 99.8%
Muskegon Solar	Consumers Energy Co - (MI)	Muskegon, MI	180 GWh	-	Jul 2026	Solar
NAFTA Region Olefins Complex Cogen Fac	BASF Corp	Port Arthur, TX	577 GWh	Jun 2001	Dec 2025	Natural Gas
National Energy of McBain	National Salvage & Service Corporation	McBain, MI	129 GWh	Nov 1988	Dec 2025	Wood/Wood Waste Solids : 90.5% Tire-derived Fuels : 9.4%
Nautilus Lindstrom Solar (CSG)	Nautilus Solar Solutions	Lindstrom, MN	4 GWh	Feb 2019	Jul 2026	Solar
Nautilus Saint Cloud Solar (CSG)	Nautilus Solar Solutions	Saint Cloud, MN	8 GWh	Mar 2019	Jul 2026	Solar
Nautilus Winsted Solar (CSG)	Nautilus Solar Solutions	Winsted, MN	5 GWh	Mar 2019	Jul 2026	Solar
NCAH Central Utility Plant	National Centers for Animal Health	Ames, IA	432 MWh	May 1996	Jul 2026	Natural Gas : 83.9% Distillate Fuel Oil : 16.1%
NE IL - Esmen West	Standard Solar	Pontiac, IL	2 GWh	Aug 2025	Dec 2025	Solar
Neal Energy Center Solar	MidAmerican Energy Co	Salix, IA	7 GWh	Jan 2022	Dec 2025	Solar
Neptune Gas Processing Plant	Enterprise Products Optg LP	Centerville, LA	14 GWh	Jan 2004	Dec 2025	Other Fuel
Nesvold Watertown Solar	SoCore Energy LLC	Watertown, MN	9 GWh	Dec 2017	Dec 2025	Solar
New Auburn DPC Solar	SoCore Energy LLC	New Auburn, WI	5 GWh	Dec 2017	Jul 2026	Solar
New Badger	City of Kaukauna (WI)	Kaukauna, WI	42 GWh	Dec 2013	Jul 2026	Water
New Castle Solar RES	Hoosier Energy R E C, Inc	New Castle, IN	2 GWh	Oct 2015	Dec 2025	Solar
New Frontier Wind	Meadowlark Wind I LLC	Ruso, ND	381 GWh	Nov 2018	Jul 2026	Wind
New Germany Community Solar Garden	New Germany Solar I LLC	New Germany, MN	2 GWh	Mar 2018	Dec 2025	Solar
New Harvest Wind Project LLC	Avangrid Power LLC	Schleswig, IA	263 GWh	Nov 2011	Dec 2025	Wind
New Haven Solar RES	Hoosier Energy R E C, Inc	Dale, IN	1 GWh	Aug 2016	Dec 2025	Solar
New Lisbon	City of New Lisbon (WI)	New Lisbon, WI	55 MWh	Dec 1965	Dec 2025	Distillate Fuel Oil
New Lisbon Solar	Green Street Power Partners	New Lisbon, WI	4 GWh	Aug 2019	Dec 2025	Solar
New Madrid Solar, LLC	New Madrid Solar, LLC	Marston, MO	351 GWh	Oct 2025	Jul 2026	Solar
New Munich Solar	New Munich Solar LLC	Melrose, MN	2 GWh	Aug 2019	Dec 2025	Solar
New Orleans Power	Entergy New Orleans, LLC	New Orleans, LA	142 GWh	Apr 2020	Jul 2026	Natural Gas
New Orleans Solar Station	Entergy New Orleans, LLC	New Orleans, LA	1 GWh	Nov 2019	Dec 2025	Solar
New Prague	New Prague Utilities Comm	New Prague, MN	1 GWh	Jul 1944	Dec 2025	Natural Gas : 76.4% Distillate Fuel Oil : 23.6%
New Ulm	New Ulm Public Utilities Comm	New Ulm, MN	2 GWh	Dec 1956	Dec 2025	Natural Gas : 59.1% Distillate Fuel Oil : 40.9%
Newport Solar Project	Newport Solar, LLC	Newport, AR	352 GWh	Sep 2023	Jul 2026	Solar
Newton	Illinois Power Generating Co	Newton, IL	3 TWh	Oct 1977	Jul 2026	Subbituminous Coal : 99.8%
Newton Solar BESS LLC	Vistra Corp	Newton, IL	58 GWh	-	Jul 2026	Solar
Next Generation	OneEnergy, Inc.	Woodville, WI	331 MWh	Sep 2025	Dec 2025	Solar
Nicollet Community Solar One LLC	Madison Energy Holdings LLC	Courtland, MN	2 GWh	Jun 2020	Dec 2025	Solar
Nicollet Garden	Excelsior Energy Capital	Courtland, MN	2 GWh	Nov 2020	Dec 2025	Solar
Nimbus Wind Farm	Nimbus Wind Farm LLC	Green Forest, AR	13 GWh	-	Jul 2026	Wind
Nine Mile Point	Entergy Louisiana LLC	Westwego, LA	8 TWh	Oct 1955	Jul 2026	Natural Gas : 99.3% Distillate Fuel Oil : 0.7%
Nine Springs	Madison Gas & Electric Co	Madison, WI	89 MWh	Nov 1964	Dec 2025	Natural Gas
Ninth Street Hydropower Project	Eagle Creek Renewable Energy, LLC	Alpena, MI	6 GWh	Aug 1990	Dec 2025	Water
NL IL - 1875 North Road CSG	Standard Solar	Pontiac, IL	3 GWh	Aug 2025	Dec 2025	Solar
NL IL - Kendall	Newark Road Kendall Solar 1, LLC	Newark, IL	4 GWh	Nov 2024	Dec 2025	Solar
NL IL - Kiwi	Standard Solar	Pinckneyville, IL	2 GWh	May 2025	Dec 2025	Solar
NL IL - Piatt 1 - East CSG	Standard Solar	De Land, IL	2 GWh	May 2025	Dec 2025	Solar
NL IL - Piatt 2 - West CSG	Standard Solar	De Land, IL	1 GWh	May 2025	Dec 2025	Solar
NLMU Wind	New London Municipal Utilities - (IA)	New London, IA	5 GWh	Oct 2011	Dec 2025	Wind
NLRED 2MW	Today's Power, Inc.	North Little Rock, AR	5 GWh	Nov 2024	Dec 2025	Solar
Noble Ridge LLC	RENEW Energy Inc	Wilmont, MN	61 MWh	Nov 2001	Dec 2024	Wind
Nobles 2 Wind Project	Nobles 2 Power Partners, LLC	Wilmont, MN	952 GWh	Nov 2020	Jul 2026	Wind
Nobles Wind Project	Northern States Power Co - Minnesota	Reading, MN	780 GWh	Nov 2010	Jul 2026	Wind
Noblesville	Duke Energy Indiana, LLC	Noblesville, IN	2 TWh	Aug 1950	Dec 2025	Natural Gas
Nortera Customer Hosted Solar	Wisconsin Power & Light Co	Fairwater, WI	307 MWh	Jul 2025	Dec 2025	Solar
North Arkansas Electric Cooperative	Today's Power, Inc.	Salem, AR	2 GWh	Apr 2021	Dec 2025	Solar
North Branch (MN)	North Branch Water & Light Comm	North Branch, MN	249 MWh	Sep 2003	Dec 2025	Distillate Fuel Oil
North English	MidAmerican Energy Co	Montezuma, IA	1 TWh	Nov 2018	Jul 2026	Wind
North Generation Plant	City of Greenfield - (IA)	Greenfield, IA	11 MWh	Dec 2001	Dec 2025	Distillate Fuel Oil
North Rock	Wisconsin Power & Light Co	Edgerton, WI	94 GWh	Sep 2022	Jul 2026	Solar
North Star Solar Project	North Star Solar PV LLC	North Branch, MN	176 GWh	Nov 2016	Jul 2026	Solar
Northeast (MI)	DTE Electric Company	Warren, MI	15 GWh	Apr 1966	Dec 2025	Natural Gas : 86.8% Distillate Fuel Oil : 13.2%
Northern Cardinal Solar SCS IL 1, LLC	Arevon Energy, Inc.	Champaign, IL	19 GWh	Jan 2021	Dec 2025	Solar
Northern Iowa Windpower II	Avangrid Power LLC	Kensett, IA	134 GWh	Dec 2007	Dec 2025	Wind
Northern Lights Wind LLC	Northern Lights Wind LLC (Longroad)	Pipestone, MN	2 GWh	Nov 2004	Dec 2025	Wind
Northern Wind	Northern States Power Co - Minnesota	Lake Wilson, MN	341 GWh	Dec 2022	Jul 2026	Wind
Northfield Community Solar	Northfield Community Solar	Northfield, MN	8 GWh	Nov 2016	Dec 2025	Solar
Northfield Holdco CSG	Northfield Holdco LLC	Northfield, MN	8 GWh	Nov 2017	Dec 2025	Solar

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