Midcontinent Independent System Operator, Inc.

Balancing Authority Summary Information

Midcontinent Independent System Operator, Inc. is ranked #2 out of 65 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	Nov 2025
Annual Generation	655.1 TWh
Power Plants	2,831
Utilities	1,296
Ranked #2 out of 65 in terms of net annual generation
Ranked #2 out of 53 in terms of annual generation from natural gas
Power Plant Types	Natural Gas \| 35.7% Coal \| 29% Wind \| 14.9% Nuclear \| 13.9% Solar \| 4.5% Water \| 1.5% Other Fuel \| 0.6%

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Daily Net Generation for Midcontinent Independent System Operator, Inc. for the past 3 Years

Plant Name	Utility	Location	Annual Generation	Plant Date	Last Update	Fuel Types
Lakefield Junction	Great River Energy	Trimont, MN	64 GWh	May 2001	Dec 2024	Natural Gas
St Bonifacius	Great River Energy	St. Bonifacius, MN	2 GWh	May 1978	Dec 2024	Distillate Fuel Oil
Rock Lake CT	Great River Energy	Pine City, MN	270 MWh	Mar 1978	Dec 2024	Distillate Fuel Oil
Spiritwood Station	Great River Energy	Spiritwood, ND	154 GWh	Oct 2014	Sep 2025	Natural Gas : 59.9% Refined Coal : 40.1%
Great Pathfinder Wind	Great Pathfinder Wind	Stratford, IA	783 GWh	Jan 2023	Sep 2025	Wind
Beaver Island	Great Lakes Energy Coop	Beaver Island, MI	71 MWh	Aug 2000	Dec 2024	Distillate Fuel Oil
Plant 31 Paper Mill	Graphic Packaging International	West Monroe, LA	523 GWh	Dec 1963	Dec 2024	Natural Gas : 63.2% Black Liquor : 25.1% Wood/Wood Waste Solids : 11.7%
Grant County Wind LLC	Grant County Wind, LLC	Woodstock, MN	55 GWh	Jul 2010	Dec 2024	Wind
Gowrie	Gowrie Municipal Utilities	Gowrie, IA	5 MWh	Dec 2012	Dec 2024	Distillate Fuel Oil
Goodyear Beaumont Chemical Plant	Goodyear Tire & Rubber Co	Beaumont, TX	271 GWh	Feb 1987	Sep 2025	Natural Gas : 98.5% Waste/Other Oil : 1.5%
Gohman Community Solar (CSG)	Gohman Community Solar LLC	Clear Lake, MN	2 GWh	Jan 2020	Dec 2024	Solar
Glencoe	Glencoe Light & Power Comm	Glencoe, MN	182 MWh	May 1957	Dec 2024	Distillate Fuel Oil : 99.8%
Glacier Sands Wind Power, LLC	Glacier Sands Wind Power, LLC	Mason City, IL	635 GWh	Oct 2021	Sep 2025	Wind
GL Wind	GL Wind LLC	Lewiston, MN	6 GWh	Nov 2011	Dec 2024	Wind
Gibson Solar	Gibson Solar, LLC	Princeton, IN	76 GWh	-	Sep 2025	Solar
Gibson City Energy Center LLC	Gibson City Energy Center LLC	Gibson City, IL	109 GWh	May 2000	Dec 2024	Natural Gas
Georgia-Pacific Monticello Paper	Georgia-Pacific Monticello LLC	Monticello, MS	550 GWh	May 1968	Dec 2024	Black Liquor : 47.2% Natural Gas : 40.2% Wood/Wood Waste Solids : 12.6%
Georgia-Pacific Crossett LLC	Georgia-Pacific Crossett LLC	Crossett, AR	4 GWh	Apr 1962	Jun 2024	Natural Gas
Consumer Operations LLC	Georgia-Pacific Consumer Oper. Green Bay LLC	Green Bay, WI	235 GWh	Dec 1953	Sep 2025	Natural Gas
Fremont Community Digester, LLC	Generate Fremont Digester, LLC.	Newaygo, MI	375 MWh	Nov 2012	Dec 2024	Other Biomass Gas
WaveSun Community Solar	Generate Capital	Waverly, MN	8 GWh	Nov 2017	Dec 2024	Solar
MontSun Community Solar	Generate Capital	Montrose, MN	9 GWh	Nov 2017	Dec 2024	Solar
Cedarville (IL)	Generate Capital	Freeport, IL	1 GWh	Apr 2024	Dec 2024	Solar
Gemini Community Solar	Gemini Community Solar	Scandia, MN	5 GWh	Aug 2017	Dec 2024	Solar
Geddes 2 Solar, LLC	Geddes 2 Solar, LLC	Saginaw, MI	3 GWh	Dec 2020	Dec 2024	Solar
Geddes 1 Solar, LLC	Geddes 1 Solar, LLC	Saginaw, MI	3 GWh	Nov 2020	Dec 2024	Solar
GRS Arbor Hills	Gas Recovery Systems Inc	Northville, MI	1 GWh	May 1996	Aug 2025	Landfill Gas
GRS C&C	Gas Recovery Systems Inc	Marshall, MI	21 GWh	Jan 1995	Dec 2024	Landfill Gas
Garden Wind LLC	Garden Wind LLC	Zearing, IA	345 GWh	Nov 2009	Sep 2025	Wind
Galactic Wind	Galactic Wind	Waunakee, WI	22 GWh	Nov 2012	Dec 2024	Wind
Frontenac Holdco LLC, CSG	Frontenac Holdco LLC	Frontenac, MN	9 GWh	Feb 2019	Dec 2024	Solar
French Road Solar II	French Road Solar II, LLC	Burlington, IL	4 GWh	Feb 2022	Dec 2024	Solar
Franklin Heating Station	Franklin Heating Station	Rochester, MN	67 GWh	Dec 1950	Sep 2025	Natural Gas : 79.1% Purchased Steam : 19.3% Distillate Fuel Oil : 1.6%
FPL Energy Story Wind LLC	FPL Energy Story Wind LLC	Zearing, IA	525 GWh	Nov 2008	Sep 2025	Wind
FPL Energy Oliver Wind II LLC	FPL Energy Oliver County Wind II LLC	Center, ND	181 GWh	Nov 2007	Dec 2024	Wind
FPL Energy Oliver Wind I LLC	FPL Energy Oliver County Wind	Center, ND	177 GWh	Nov 2006	Dec 2024	Wind
FPL Energy North Dakota Wind I/II	FPL Energy North Dakota Wind LLC	Edgeley, ND	137 GWh	Sep 2003	Dec 2024	Wind
Langdon Wind II LLC	FPL Energy Langdon Wind LLC	Osnabrock, ND	171 GWh	Aug 2008	Dec 2024	Wind
Langdon Renewables, LLC	FPL Energy Langdon Wind LLC	Langdon, ND	482 GWh	Nov 2007	Dec 2024	Wind
Hancock County Wind Energy Center	FPL Energy Hancock County Wind, LLC	Garner, IA	252 GWh	Nov 2002	Sep 2025	Wind
FPL Energy Crystal Lake Wind LLC	FPL Energy Crystal Lake Wind LLC	Britt, IA	577 GWh	Nov 2008	Sep 2025	Wind
FPL Energy Crystal Lake Wind II LLC	FPL Energy Crystal Lake Wind II LLC	Britt, IA	713 GWh	Dec 2008	Sep 2025	Wind
FPL Energy Burleigh County Wind	FPL Energy Burleigh County Wind LLC	Wilton, ND	190 GWh	Nov 2005	Dec 2024	Wind
FPL Energy Ashtabula Wind LLC	FPL Energy Ashtabula Wind LLC	Luverne, ND	594 GWh	Nov 2008	Dec 2024	Wind
Foxtail Wind, LLC	Foxtail Wind, LLC	Forbes, ND	607 GWh	Dec 2019	Sep 2025	Wind
Fontanelle	Forward Fontanelle Power, LLC	Fontanelle, IA	6 GWh	Jul 2012	Dec 2024	Wind
Formosa Plastics	Formosa Plastics Corp	Baton Rouge, LA	402 GWh	Apr 1985	Dec 2024	Natural Gas
Forest Lake Solar CSG	Forest Lake Holdco LLC	Scandia, MN	7 GWh	Jun 2017	Dec 2024	Solar
Foreman's Hill Community Solar	Foreman's Hill CSG LLC	Red Wing, MN	7 GWh	Jun 2018	Dec 2024	Solar
IA - City of Ames - Airport Road	Forefront Power, LLC	Ames, IA	3 GWh	Nov 2020	Dec 2024	Solar
Ford County Wind Farm LLC	Ford Ridge	Ford County, IL	471 GWh	Feb 2022	Sep 2025	Wind
Flodquist Community Solar LLC CSG	Flodquist Community Solar LLC	Lindstrom, MN	2 GWh	Jul 2021	Dec 2024	Solar
Flint Hills Resources Pine Bend, LLC	Flint Hills Resources Pine Bend, LLC	Rosemount, MN	299 GWh	Apr 2019	Dec 2024	Natural Gas
Flat Fork Solar	Flat Fork Solar, LLC	Wheatley, AR	98 GWh	-	Sep 2025	Solar
Flambeau Solar Partners	Flambeau Solar Partners, LLC	Phillips, WI	4 GWh	Apr 2017	Dec 2024	Solar
Sidney A Murray Jr Hydroelectric	First National Bank-Commerce	Vidalia, LA	885 GWh	Apr 1990	Dec 2024	Water
Fiber Recovery, Inc.	Fiber Recovery, Inc	Ringle, WI	7 GWh	Dec 2007	Dec 2024	Landfill Gas
Fey Windfarm LLC	Fey Windfarm LLC	Woodstock, MN	5 GWh	Aug 2003	Dec 2024	Wind
Welcome Wind Turbine	Federated Rural Electric Assn	Welcome, MN	6 GWh	Apr 2008	Sep 2024	Wind
Farmington Holdco Solar	Farmington Holdco LLC	Farmington, MN	8 GWh	Jan 2017	Dec 2024	Solar
Farmers Electric Cooperative - Kalona	Farmers Electric Coop - (IA)	Kalona, IA	83 MWh	Feb 2001	Dec 2024	Distillate Fuel Oil
Falls Creek Garden	Falls Creek Garden LLC	Faribault, MN	2 GWh	Jan 2020	Dec 2024	Solar
Fairbanks Solar Project	Fairbanks Solar Energy Center LLC	Fairbanks, IN	277 GWh	-	Sep 2025	Solar
ExxonMobil Beaumont Refinery	ExxonMobil Oil Corp	Beaumont, TX	4 TWh	Dec 1965	Sep 2025	Natural Gas : 96.9% Other Gas : 3.1%
ExxonMobil Baton Rouge Turbine Generator	Exxon Mobil Corp	Baton Rouge, LA	654 GWh	Apr 1990	Dec 2024	Natural Gas
Marion Garden	Excelsior Energy Capital	Faribault, MN	2 GWh	Oct 2020	Dec 2024	Solar
Silver Lake Garden	Excelsior Energy Capital	Waseca, MN	2 GWh	Dec 2020	Dec 2024	Solar
Lyman Garden	Excelsior Energy Capital	Northfield, MN	2 GWh	Oct 2020	Dec 2024	Solar
Union Garden	Excelsior Energy Capital	Northfield, MN	2 GWh	Feb 2021	Dec 2024	Solar
Nicollet Garden	Excelsior Energy Capital	Courtland, MN	2 GWh	Nov 2020	Dec 2024	Solar
Ewington Energy Systems, LLC	Ewington Energy Systems, LLC	Worthington, MN	86 GWh	Dec 2007	Dec 2024	Wind
Evonik Industries AG	Evonik Degussa Corporation	Lafayette, IN	7 MWh	Apr 1992	Dec 2024	Distillate Fuel Oil
Everson Garden	Everson Garden LLC	Waseca, MN	2 GWh	Apr 2022	Dec 2024	Solar
Armstrong Solar	ETCAP NES CS MN 06 LLC	Glenwood, MN	5 GWh	Feb 2018	Dec 2024	Solar
Erin Garden Solar	Erin Garden LLC	City of Green Isle, MN	2 GWh	Mar 2020	Dec 2024	Solar
Ergon Refining Vicksburg	Ergon Refining Inc	Vicksburg, MS	32 GWh	Feb 1995	Dec 2024	Natural Gas
Lake Charles Polymers	Equistar Chemicals LP	Westlake, LA	201 GWh	Aug 2011	Sep 2025	Natural Gas
4710 Hosting	Epic Hosting, LLC	Rochester, MN	29 MWh	May 2012	Dec 2024	Distillate Fuel Oil
Epic Verona	Epic Hosting, LLC	Verona, WI	3 GWh	May 2009	Dec 2024	Solar : 91.9% Distillate Fuel Oil : 8.1%
Neptune Gas Processing Plant	Enterprise Products Optg LP	Centerville, LA	12 GWh	Jan 2004	Dec 2024	Other Fuel
Sabine	Entergy Texas Inc.	Orange, TX	4 TWh	Dec 1961	Sep 2025	Natural Gas
Hardin County Peaking Facility	Entergy Texas Inc.	Kountze, TX	195 GWh	Jun 2001	Dec 2024	Natural Gas
Lewis Creek	Entergy Texas Inc.	Willis, TX	2 TWh	Nov 1970	Sep 2025	Natural Gas
Montgomery County	Entergy Texas Inc.	Willis, TX	7 TWh	Dec 2020	Aug 2025	Natural Gas
New Orleans Solar Station	Entergy New Orleans, LLC	New Orleans, LA	23 GWh	Nov 2019	Dec 2024	Solar
TCI France	Entergy New Orleans, LLC	New Orleans, LA	2 GWh	Mar 2019	Dec 2024	Solar
ENO Paterson Solar	Entergy New Orleans, LLC	New Orleans, LA	1 GWh	May 2016	Dec 2024	Solar
TCI Alvar	Entergy New Orleans, LLC	New Orleans, LA	2 GWh	Mar 2019	Dec 2024	Solar
New Orleans Power	Entergy New Orleans, LLC	New Orleans, LA	176 GWh	Apr 2020	Sep 2025	Natural Gas
Attala	Entergy Mississippi LLC	Sallis, MS	2 TWh	Feb 2001	Sep 2025	Natural Gas
Gerald Andrus	Entergy Mississippi LLC	Greenville, MS	435 GWh	Dec 1974	Aug 2024	Natural Gas : 99.9%
Hinds Energy Facility	Entergy Mississippi LLC	Jackson, MS	3 TWh	Apr 2001	Sep 2025	Natural Gas
R S Nelson	Entergy Louisiana LLC	Westlake, LA	2 TWh	Jan 1959	Sep 2025	Subbituminous Coal : 99.5%
Louisiana 1	Entergy Louisiana LLC	Baton Rouge, LA	3 TWh	Sep 1951	Sep 2025	Natural Gas : 71.5% Other Gas : 28.5%
Perryville Power Station	Entergy Louisiana LLC	Sterlington, LA	4 TWh	May 2001	Sep 2025	Natural Gas
Waterford 3	Entergy Louisiana LLC	Killona, LA	8 TWh	Aug 1985	Sep 2025	Nuclear
River Bend	Entergy Louisiana LLC	St. Francisville, LA	7 TWh	May 1986	Sep 2025	Nuclear
Washington Parish Energy Center	Entergy Louisiana LLC	Bogalusa, LA	394 GWh	Oct 2020	Sep 2025	Natural Gas
Ouachita	Entergy Louisiana LLC	Sterlington, LA	4 TWh	Jul 2002	Sep 2025	Natural Gas
Nine Mile Point	Entergy Louisiana LLC	Westwego, LA	8 TWh	Oct 1955	Sep 2025	Natural Gas

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#61	Alcoa Power Generating, Inc. - Yadkin Division	696.7 GWh	4
#27	Associated Electric Cooperative, Inc.	23.6 TWh	47
#13	Duke Energy Carolinas	112.5 TWh	565
#52	Duke Energy Progress West	4.3 TWh	10
#24	Louisville Gas and Electric Company and Kentucky Utilities Company	34.4 TWh	25
#1	PJM Interconnection, LLC	870.7 TWh	2,465
#6	Southern Company Services, Inc. - Trans	250.9 TWh	417
#5	Southwest Power Pool	299.9 TWh	835
#49	Southwestern Power Administration	5.2 TWh	34
#9	Tennessee Valley Authority	161.6 TWh	204

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	870.7 TWh	2,465
#2	Midcontinent Independent System Operator, Inc.	655.1 TWh	2,831
#4	Electric Reliability Council of Texas, Inc.	485.0 TWh	1,313
#5	Southwest Power Pool	299.9 TWh	835
#6	Southern Company Services, Inc. - Trans	250.9 TWh	417
#7	California Independent System Operator	188.0 TWh	2,075
#9	Tennessee Valley Authority	161.6 TWh	204
#10	Florida Power & Light Co.	148.9 TWh	187
#12	New York Independent System Operator	131.6 TWh	1,211
#13	Duke Energy Carolinas	112.5 TWh	565