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
Mulligan Solar, LLC	Mulligan Solar	Broadwell, IL	145 GWh	Jun 2022	May 2026	Solar
Mud Garden Solar	Mud Garden LLC	Gaylord, MN	2 GWh	Feb 2020	Dec 2025	Solar
MSC-Scott01 LLC	MSC-Scott01 LLC	Jordan, MN	754 MWh	Jul 2019	Dec 2025	Solar
MSC-Scandia01 CSG	MSC-Scandia01 LLC	Scandia, MN	2 GWh	Mar 2019	Dec 2024	Solar
MSC-Rice01 LLC CSG	MSC-Rice01 LLC	Morristown, MN	2 GWh	Jun 2019	Dec 2025	Solar
MSC-GreyCloud01 Community Solar	MSC-GreyCloud01 LLC	St. Paul Park, MN	2 GWh	Feb 2019	Dec 2024	Solar
MSC-Empire01, LLC	MSC-Empire01, LLC	Farmington, MN	2 GWh	Jul 2019	Dec 2024	Solar
MSC-Chisago02 LLC	MSC-Chisago02 LLC	Taylors Falls, MN	954 MWh	Jul 2019	Dec 2025	Solar
MSC-Chisago01 LLC CSG	MSC-Chisago01 LLC	Taylors Falls, MN	2 GWh	Jun 2019	Dec 2025	Solar
Motiva Enterprises Port Arthur Refinery	Motiva Enterprises LLC	Port Arthur, TX	2 TWh	May 1957	May 2026	Natural Gas : 90.5% Other Gas : 9.5%
Mosaic Phosphates Uncle Sam	Mosaic Phosphates Co.	Uncle Sam, LA	102 GWh	Dec 1967	May 2026	Waste Heat : 96.8% Natural Gas : 3.2%
Morgan Solar 4, LLC CSG	Morgan Solar 4, LLC	Murrayville, IL	4 GWh	Nov 2020	Dec 2025	Solar
Morgan Solar 2, LLC CSG	Morgan Solar 2, LLC	Murrayville, IL	4 GWh	Oct 2020	Dec 2025	Solar
Morgan Solar 1b CSG	Morgan Solar 1b LLC	Meredosia, IL	3 GWh	Jul 2021	Dec 2025	Solar
Morgan Solar 1 CSG	Morgan Solar 1 LLC	Meredosia, IL	4 GWh	Jul 2021	Dec 2025	Solar
Morgan Community Solar	Morgan Community Solar	Morgan, MN	5 GWh	Mar 2017	Dec 2025	Solar
Moraine CSG	Moraine Solar, LLC	Downs, IL	5 GWh	Aug 2021	Dec 2025	Solar
Moraine Sands Wind Power	Moraine Sands Wind Power, LLC	Mason City, IL	562 GWh	Nov 2023	May 2026	Wind
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%
Montevideo Solar LLC, CSG	Montevideo Solar LLC	Montevideo, MN	10 GWh	Dec 2018	Dec 2025	Solar
Thunder Spirit Wind, LLC	Montana-Dakota Utilities Co	Hettinger, ND	568 GWh	Nov 2015	Dec 2025	Wind
R M Heskett	Montana-Dakota Utilities Co	Mandan, ND	62 GWh	Oct 1954	May 2026	Natural Gas
Miles City GT	Montana-Dakota Utilities Co	Miles City, MT	2 GWh	Apr 1972	Dec 2025	Natural Gas : 99.7%
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	May 2026	Natural Gas
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
Diamond Willow Wind Facility	Montana-Dakota Utilities Co	Baker, MT	88 GWh	Nov 2007	Dec 2025	Wind
Mondu Solar LLC	Mondu Solar LLC	Livonia, LA	22 GWh	-	May 2026	Solar
Prairie Solar LLC	MN8 Energy LLC	Sidney, IL	103 GWh	-	May 2026	Solar
Equuleus Community Solar Gardens	MN8 Energy LLC	Rosemount, MN	8 GWh	Jul 2017	Dec 2025	Solar
MN CSG 2019-82	MN CSG 2019-82 LLC	Atwater, MN	1 GWh	Nov 2024	Dec 2025	Solar
MN CSG 2019-79	MN CSG 2019-79 LLC	Granite Falls, MN	573 MWh	Apr 2025	Dec 2025	Solar
MN CSG 2019-77	MN CSG 2019-77 LLC	Northfield, MN	1 GWh	Apr 2025	Dec 2025	Solar
MN CSG 2019-67	MN CSG 2019-67 LLC	Clear Lake, MN	2 GWh	Feb 2025	Dec 2025	Solar
MN CSG 2019-60	MN CSG 2019-60 LLC	Buffalo Lake, MN	2 GWh	Nov 2024	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 2019-22	MN CSG 2019-22 LLC	Danube, MN	2 GWh	Mar 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 2019-105	MN CSG 2019-105 LLC	Wabash, MN	1 GWh	Apr 2025	Dec 2025	Solar
Woodbury Solar	MN CSG 2, LLC	Woodbury, MN	4 GWh	Jun 2020	Dec 2025	Solar
Bennington Wind	Minonk Stewardship Wind LLC	Minonk, IL	300 GWh	Sep 2021	May 2026	Wind
Milton R Young	Minnkota Power Coop, Inc	Center, ND	4 TWh	Sep 1970	May 2026	Lignite Coal : 99.8%
B.R. Sauk Rapids CSG	Minnesota Solar CSG 9, LLC	Sauk Rapids, MN	8 GWh	Oct 2017	Dec 2024	Solar
Carver Gladden CSG	Minnesota Solar CSG 8, LLC	Norwood Young America, MN	5 GWh	Mar 2018	Dec 2024	Solar
Montgomery Winsted CSG	Minnesota Solar CSG 4, LLC	Winsted, MN	5 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. Corcoran CSG	Minnesota Solar CSG 19, LLC	Corcoran, MN	8 GWh	Oct 2017	Dec 2024	Solar
Wright Cuddyer CSG	Minnesota Solar CSG 1, LLC	St. Michael, MN	5 GWh	Sep 2018	Dec 2024	Solar
Shakopee Energy Park	Minnesota Municipal Power Agny	Shakopee, MN	57 GWh	Jan 2017	Dec 2025	Natural Gas
Oak Glen Wind Farm	Minnesota Municipal Power Agny	Blooming Prairie, MN	102 GWh	Oct 2011	Dec 2025	Wind
Faribault Energy Park	Minnesota Municipal Power Agny	Faribault, MN	800 GWh	Apr 2005	Dec 2025	Natural Gas
Minnesota River	Minnesota Municipal Power Agny	Chaska, MN	2 GWh	Apr 2001	Dec 2025	Natural Gas
MMSD Jones Island Wastewater	Milwaukee Metro Sewerage Dist	Milwaukee, WI	83 GWh	Dec 1970	May 2026	Natural Gas : 84.8% Landfill Gas : 14.2% 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%
Windom Wind Project	Midwest Power Partners LLC	Bingham Lake, MN	32 GWh	Feb 2006	Dec 2025	Wind
Minnesota Breeze 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
Wolf Wind Enterprises LLC	Midwest Power Partners LLC	Rushmore, MN	3 GWh	Apr 2006	Dec 2025	Wind
Blue Breezes LLC	Midwest Power Partners LLC	Blue Earth, MN	2 GWh	Apr 2006	Dec 2025	Wind
Blue Breezes II LLC	Midwest Power Partners LLC	Blue Earth, MN	2 GWh	Apr 2006	Dec 2025	Wind
Sunset Breeze LLC	Midwest Power Partners LLC	Rushmore, MN	3 GWh	Apr 2006	Dec 2025	Wind
Green Acres Breeze LLC	Midwest Power Partners LLC	Rushmore, MN	3 GWh	Apr 2006	Dec 2025	Wind
Midland Cogeneration Venture	Midland Cogeneration Venture	Midland, MI	10 TWh	May 1989	May 2026	Natural Gas
Middleton Biogas Solar, LLC	Middleton Biogas Solar, LLC	Middleton, WI	2 GWh	Apr 2022	Dec 2025	Solar
Midcontinent Solar, LLC	Midcontinent Solar, LLC	Owosso, MI	38 GWh	Sep 2023	Dec 2025	Solar
Neal Energy Center Solar	MidAmerican Energy Co	Salix, IA	7 GWh	Jan 2022	Dec 2024	Solar
Arbor Hill Solar	MidAmerican Energy Co	Greenfield, IA	45 GWh	Dec 2021	May 2026	Solar
Holliday Creek Solar	MidAmerican Energy Co	Fort Dodge, IA	205 GWh	Jun 2022	May 2026	Solar
Shenandoah Hills Wind Farm	MidAmerican Energy Co	Blanchard, IA	336 GWh	Nov 2025	May 2026	Wind
Waterloo Solar (IA)	MidAmerican Energy Co	Waterloo, IA	6 GWh	Feb 2022	Dec 2025	Solar
Johnson County Hills Solar	MidAmerican Energy Co	Iowa City, IA	6 GWh	Dec 2021	Dec 2025	Solar
Franklin County Solar	MidAmerican Energy Co	Hampton, IA	13 GWh	Dec 2021	Dec 2025	Solar
Chickasaw Wind Farm	MidAmerican Energy Co	New Hampton, IA	634 GWh	Nov 2023	May 2026	Wind
Plymouth Wind	MidAmerican Energy Co	Remsen, IA	768 GWh	Dec 2021	May 2026	Wind
Coralville GT	MidAmerican Energy Co	Coralville, IA	2 GWh	May 1970	Dec 2025	Natural Gas
Carroll Wind Farm	MidAmerican Energy Co	Carroll, IA	557 GWh	Nov 2008	Dec 2025	Wind
Pomeroy Wind Farm	MidAmerican Energy Co	Fonda, IA	971 GWh	Nov 2007	May 2026	Wind
Adair Wind Farm	MidAmerican Energy Co	Adair, IA	551 GWh	Nov 2008	Dec 2025	Wind
Moline	MidAmerican Energy Co	Moline, IL	21 GWh	Dec 1941	Dec 2025	Water : 97.0% Natural Gas : 3.0%
Sycamore (IA)	MidAmerican Energy Co	Johnston, IA	30 GWh	Jul 1974	Dec 2025	Natural Gas
River Hills	MidAmerican Energy Co	Des Moines, IA	2 GWh	Apr 1966	Dec 2025	Natural Gas
Electrifarm	MidAmerican Energy Co	Waterloo, IA	17 GWh	Apr 1975	Dec 2025	Natural Gas
Merl Parr	MidAmerican Energy Co	Charles City, IA	3 GWh	Apr 1969	Dec 2025	Natural Gas
Knoxville Industrial	MidAmerican Energy Co	Knoxville, IA	225 MWh	Mar 2000	Dec 2025	Distillate Fuel Oil
George Neal North	MidAmerican Energy Co	Sergeant Bluff, IA	2 TWh	Apr 1964	May 2026	Subbituminous Coal : 98.8% Natural Gas : 1.2%
Walter Scott Jr Energy Center	MidAmerican Energy Co	Council Bluffs, IA	7 TWh	Feb 1954	May 2026	Subbituminous Coal : 99.1% Distillate Fuel Oil : 0.8%
Greater Des Moines	MidAmerican Energy Co	Pleasant Hill, IA	2 TWh	Apr 2003	Dec 2025	Natural Gas
Charles City Wind Farm	MidAmerican Energy Co	Charles City, IA	268 GWh	Mar 2008	Dec 2025	Wind
Intrepid	MidAmerican Energy Co	Schaller, IA	546 GWh	Nov 2004	Dec 2025	Wind
Century	MidAmerican Energy Co	Blairsburg, IA	609 GWh	Aug 2005	Dec 2025	Wind
George Neal South	MidAmerican Energy Co	Salix, IA	2 TWh	Jun 1979	May 2026	Subbituminous Coal : 99.1% Distillate Fuel Oil : 0.9%
Pleasant Hill	MidAmerican Energy Co	Pleasant Hill, IA	49 GWh	May 1990	Dec 2025	Natural Gas
Waterloo Lundquist	MidAmerican Energy Co	Waterloo, IA	255 MWh	Mar 2000	Dec 2025	Distillate Fuel Oil
Walnut Wind Farm	MidAmerican Energy Co	Walnut, IA	558 GWh	Nov 2008	Dec 2025	Wind
Shenandoah	MidAmerican Energy Co	Shenandoah, IA	323 MWh	Mar 2000	Dec 2025	Distillate Fuel Oil
Victory Wind Farm	MidAmerican Energy Co	Westside, IA	384 GWh	Nov 2006	Dec 2025	Wind
Louisa	MidAmerican Energy Co	Muscatine, IA	4 TWh	Sep 1983	May 2026	Subbituminous Coal : 99.3% Natural Gas : 0.7%
Arbor Hill Wind Farm	MidAmerican Energy Co	Greenfield, IA	1 TWh	Nov 2018	May 2026	Wind
Ivester Wind Farm	MidAmerican Energy Co	Wellsburg, IA	323 GWh	Nov 2018	May 2026	Wind

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