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
Adams Wind	MidAmerican Energy Co	Lenox, IA	460 GWh	Sep 2015	Dec 2025	Wind
Ivester Wind Farm	MidAmerican Energy Co	Wellsburg, IA	322 GWh	Nov 2018	Jul 2026	Wind
Wellsburg Wind Project	MidAmerican Energy Co	Wellsburg, IA	305 GWh	Nov 2014	Dec 2025	Wind
Arbor Hill Wind Farm	MidAmerican Energy Co	Greenfield, IA	1 TWh	Nov 2018	Jul 2026	Wind
Pocahontas Prairie Wind Farm	MidAmerican Energy Co	Pomeroy, IA	374 GWh	Jan 2012	Dec 2025	Wind
Macksburg Wind Project	MidAmerican Energy Co	Macksburg, IA	249 GWh	Nov 2014	Dec 2025	Wind
Lundgren Wind Project	MidAmerican Energy Co	Otho, IA	605 GWh	Jul 2014	Dec 2025	Wind
Laurel Wind Farm	MidAmerican Energy Co	Laurel, IA	470 GWh	Nov 2011	Dec 2025	Wind
Rolling Hills Wind Farm	MidAmerican Energy Co	Massena, IA	2 TWh	Nov 2011	Jul 2026	Wind
Highland Wind Project (IA)	MidAmerican Energy Co	Primghar, IA	974 GWh	May 2015	Jul 2026	Wind
North English	MidAmerican Energy Co	Montezuma, IA	1 TWh	Nov 2018	Jul 2026	Wind
Midcontinent Solar, LLC	Midcontinent Solar, LLC	Owosso, MI	38 GWh	Sep 2023	Dec 2025	Solar
Middleton Biogas Solar, LLC	Middleton Biogas Solar, LLC	Middleton, WI	2 GWh	Apr 2022	Dec 2025	Solar
Midland Cogeneration Venture	Midland Cogeneration Venture	Midland, MI	10 TWh	May 1989	Jul 2026	Natural Gas
Green Acres Breeze LLC	Midwest Power Partners LLC	Rushmore, MN	3 GWh	Apr 2006	Dec 2025	Wind
Wolf Wind Enterprises LLC	Midwest Power Partners LLC	Rushmore, MN	3 GWh	Apr 2006	Dec 2025	Wind
G Flow Wind LLC	Midwest Power Partners LLC	Rushmore, MN	3 GWh	Apr 2006	Dec 2025	Wind
Minnesota Breeze LLC	Midwest Power Partners LLC	Rushmore, MN	3 GWh	Apr 2006	Dec 2025	Wind
Sunset Breeze LLC	Midwest Power Partners LLC	Rushmore, MN	3 GWh	Apr 2006	Dec 2025	Wind
Blue Breezes II LLC	Midwest Power Partners LLC	Blue Earth, MN	2 GWh	Apr 2006	Dec 2025	Wind
Blue Breezes LLC	Midwest Power Partners LLC	Blue Earth, MN	2 GWh	Apr 2006	Dec 2025	Wind
Windom Wind Project	Midwest Power Partners LLC	Bingham Lake, MN	32 GWh	Feb 2006	Dec 2025	Wind
MMSD Jones Island Wastewater	Milwaukee Metro Sewerage Dist	Milwaukee, WI	83 GWh	Dec 1970	Jul 2026	Natural Gas : 87.1% Landfill Gas : 11.9% Distillate Fuel Oil : 1.0%
MMSD South Shore Wastewater	Milwaukee Metro Sewerage Dist	Oak Creek, WI	23 GWh	Jul 2000	Dec 2025	Other Biomass Gas : 88.5% Natural Gas : 11.5%
Minnesota River	Minnesota Municipal Power Agny	Chaska, MN	7 GWh	Apr 2001	Jan 2025	Natural Gas
Faribault Energy Park	Minnesota Municipal Power Agny	Faribault, MN	800 GWh	Apr 2005	Dec 2025	Natural Gas
Oak Glen Wind Farm	Minnesota Municipal Power Agny	Blooming Prairie, MN	102 GWh	Oct 2011	Dec 2025	Wind
Shakopee Energy Park	Minnesota Municipal Power Agny	Shakopee, MN	57 GWh	Jan 2017	Dec 2025	Natural Gas
Wright Cuddyer CSG	Minnesota Solar CSG 1, LLC	St. Michael, MN	6 GWh	Sep 2018	Dec 2025	Solar
B.R. Corcoran CSG	Minnesota Solar CSG 19, LLC	Corcoran, MN	7 GWh	Oct 2017	Dec 2025	Solar
B.R. Sartell CSG	Minnesota Solar CSG 21, LLC	Sartell, MN	3 GWh	Oct 2017	Dec 2025	Solar
Montgomery Winsted CSG	Minnesota Solar CSG 4, LLC	Winsted, MN	4 GWh	Oct 2017	Dec 2025	Solar
Carver Gladden CSG	Minnesota Solar CSG 8, LLC	Norwood Young America, MN	4 GWh	Mar 2018	Dec 2025	Solar
B.R. Sauk Rapids CSG	Minnesota Solar CSG 9, LLC	Sauk Rapids, MN	7 GWh	Oct 2017	Dec 2025	Solar
Milton R Young	Minnkota Power Coop, Inc	Center, ND	4 TWh	Sep 1970	Jul 2026	Lignite Coal : 99.8%
Bennington Wind	Minonk Stewardship Wind LLC	Minonk, IL	308 GWh	Sep 2021	Jul 2026	Wind
Woodbury Solar	MN CSG 2, LLC	Woodbury, MN	4 GWh	Jun 2020	Dec 2025	Solar
MN CSG 2019-105	MN CSG 2019-105 LLC	Wabash, MN	1 GWh	Apr 2025	Dec 2025	Solar
MN CSG 2019-113	MN CSG 2019-113 LLC	Montevideo, MN	237 MWh	Sep 2025	Dec 2025	Solar
MN CSG 2019-16 LLC	MN CSG 2019-16 LLC	Mankato, MN	2 GWh	May 2022	Dec 2025	Solar
MN CSG 2019-22	MN CSG 2019-22 LLC	Danube, MN	2 GWh	Mar 2025	Dec 2025	Solar
MN CSG 2019-38 DE LLC	MN CSG 2019-38 DE LLC	Cleveland, MN	2 GWh	Oct 2022	Dec 2025	Solar
MN CSG 2019-60	MN CSG 2019-60 LLC	Buffalo Lake, MN	2 GWh	Nov 2024	Dec 2025	Solar
MN CSG 2019-67	MN CSG 2019-67 LLC	Clear Lake, MN	2 GWh	Feb 2025	Dec 2025	Solar
MN CSG 2019-77	MN CSG 2019-77 LLC	Northfield, MN	1 GWh	Apr 2025	Dec 2025	Solar
MN CSG 2019-79	MN CSG 2019-79 LLC	Granite Falls, MN	573 MWh	Apr 2025	Dec 2025	Solar
MN CSG 2019-82	MN CSG 2019-82 LLC	Atwater, MN	1 GWh	Nov 2024	Dec 2025	Solar
Equuleus Community Solar Gardens	MN8 Energy LLC	Rosemount, MN	8 GWh	Jul 2017	Dec 2025	Solar
Prairie Solar LLC	MN8 Energy LLC	Sidney, IL	173 GWh	-	Jul 2026	Solar
Mondu Solar LLC	Mondu Solar LLC	Livonia, LA	93 GWh	-	Jul 2026	Solar
Thunder Spirit Wind, LLC	Montana-Dakota Utilities Co	Hettinger, ND	568 GWh	Nov 2015	Dec 2025	Wind
Miles City GT	Montana-Dakota Utilities Co	Miles City, MT	2 GWh	Apr 1972	Dec 2025	Natural Gas : 99.7%
Diamond Willow Wind Facility	Montana-Dakota Utilities Co	Baker, MT	88 GWh	Nov 2007	Dec 2025	Wind
Glen Ullin Station 6	Montana-Dakota Utilities Co	Glen Ullin, ND	32 GWh	Jun 2009	Dec 2025	Waste Heat
Cedar Hills Wind Farm	Montana-Dakota Utilities Co	Rhame, ND	48 GWh	May 2010	Dec 2025	Wind
Glendive GT	Montana-Dakota Utilities Co	Glendive, MT	16 GWh	May 1979	Dec 2025	Natural Gas : 98.8% Distillate Fuel Oil : 1.2%
Lewis & Clark	Montana-Dakota Utilities Co	Richland, MT	12 GWh	Sep 1958	Jul 2026	Natural Gas
R M Heskett	Montana-Dakota Utilities Co	Mandan, ND	64 GWh	Oct 1954	Jul 2026	Natural Gas
Montevideo Solar LLC, CSG	Montevideo Solar LLC	Montevideo, MN	10 GWh	Dec 2018	Dec 2025	Solar
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%
Moraine Sands Wind Power	Moraine Sands Wind Power, LLC	Mason City, IL	574 GWh	Nov 2023	Jul 2026	Wind
Moraine CSG	Moraine Solar, LLC	Downs, IL	5 GWh	Aug 2021	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
Mosaic Phosphates Uncle Sam	Mosaic Phosphates Co.	Uncle Sam, LA	99 GWh	Dec 1967	Jul 2026	Waste Heat : 91.7% Natural Gas : 8.3%
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%
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-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
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
Fayetteville Public Schools (SWEPCO)	Nabholz Solar FPS, LLC	Booneville, AR	8 GWh	Jul 2023	Dec 2025	Solar
Holland Energy Facility	NAES Corporation - (WA)	Beecher City, IL	3 TWh	Aug 2002	Jul 2026	Natural Gas
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%
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%
SolarClub 20 LLC	Nautilus Solar Solutions	Wabasha, MN	2 GWh	Nov 2020	Dec 2025	Solar
SolarClub 03	Nautilus Solar Solutions	Starbuck, MN	2 GWh	Aug 2023	Dec 2025	Solar
SolarClub 30 (CSG)	Nautilus Solar Solutions	Eden Valley, MN	2 GWh	Dec 2023	Dec 2025	Solar
SolarClub 35 LLC	Nautilus Solar Solutions	Mankato, MN	2 GWh	Nov 2020	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 28 LLC	Nautilus Solar Solutions	Gaylord, MN	2 GWh	Nov 2020	Dec 2025	Solar
SolarClub 23 LLC	Nautilus Solar Solutions	La Crescent, MN	2 GWh	Nov 2020	Dec 2025	Solar
Buffalo Lake CSG1, LLC	Nautilus Solar Solutions	Buffalo Lake, MN	2 GWh	Jul 2021	Dec 2025	Solar
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
Stewart CSG1, LLC	Nautilus Solar Solutions	Stewart, MN	2 GWh	Jul 2021	Dec 2025	Solar
Sacred Heart CSG1, LLC	Nautilus Solar Solutions	Sacred Heart, MN	2 GWh	Jul 2021	Dec 2025	Solar
Plato CSG1, LLC	Nautilus Solar Solutions	Glencoe, MN	2 GWh	Dec 2020	Dec 2025	Solar
Paynesville CSG1, LLC	Nautilus Solar Solutions	Paynesville, MN	2 GWh	Dec 2020	Dec 2025	Solar
Lowry CSG2, LLC	Nautilus Solar Solutions	Glenwood, MN	2 GWh	Nov 2020	Dec 2025	Solar
Brooten CSG1, LLC	Nautilus Solar Solutions	Brooten, MN	2 GWh	Jul 2021	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