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	Mar 2026
Annual Generation	659.4 TWh
Power Plants	2,831
Utilities	1,296
Ranked #2 out of 65 in terms of net annual generation
Ranked #2 out of 54 in terms of annual generation from natural gas
Power Plant Types	Natural Gas \| 36.2% Coal \| 28.4% Wind \| 14.7% Nuclear \| 13.9% Solar \| 4.8% Water \| 1.5% 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
Hancock County Wind Energy Center	FPL Energy Hancock County Wind, LLC	Garner, IA	255 GWh	Nov 2002	Dec 2025	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
FPL Energy North Dakota Wind I/II	FPL Energy North Dakota Wind LLC	Edgeley, ND	137 GWh	Sep 2003	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 Oliver Wind II LLC	FPL Energy Oliver County Wind II LLC	Center, ND	181 GWh	Nov 2007	Dec 2024	Wind
FPL Energy Story Wind LLC	FPL Energy Story Wind LLC	Zearing, IA	538 GWh	Nov 2008	Dec 2025	Wind
Franklin Heating Station	Franklin Heating Station	Rochester, MN	65 GWh	Dec 1950	Dec 2025	Natural Gas : 82.5% Purchased Steam : 16.2% Distillate Fuel Oil : 1.3%
French Road Solar II	French Road Solar II, LLC	Burlington, IL	4 GWh	Feb 2022	Dec 2024	Solar
Frontenac Holdco LLC, CSG	Frontenac Holdco LLC	Frontenac, MN	9 GWh	Feb 2019	Dec 2024	Solar
Galactic Wind	Galactic Wind	Waunakee, WI	22 GWh	Nov 2012	Dec 2024	Wind
Garden Wind LLC	Garden Wind LLC	Zearing, IA	375 GWh	Nov 2009	Dec 2025	Wind
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
Geddes 1 Solar, LLC	Geddes 1 Solar, LLC	Saginaw, MI	3 GWh	Nov 2020	Dec 2024	Solar
Geddes 2 Solar, LLC	Geddes 2 Solar, LLC	Saginaw, MI	3 GWh	Dec 2020	Dec 2024	Solar
Gemini Community Solar	Gemini Community Solar	Scandia, MN	5 GWh	Aug 2017	Dec 2024	Solar
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
Fremont Community Digester, LLC	Generate Fremont Digester, LLC.	Newaygo, MI	375 MWh	Nov 2012	Dec 2024	Other Biomass Gas
Genesee Solar Project	Genesee Solar Energy, LLC	Flint, MI	1 GWh	-	Dec 2025	Solar
Consumer Operations LLC	Georgia-Pacific Consumer Oper. Green Bay LLC	Green Bay, WI	225 GWh	Dec 1953	Dec 2025	Natural Gas
Georgia-Pacific Crossett LLC	Georgia-Pacific Crossett LLC	Crossett, AR	4 GWh	Apr 1962	Jun 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%
Gibson City Energy Center LLC	Gibson City Energy Center LLC	Gibson City, IL	109 GWh	May 2000	Dec 2024	Natural Gas
Gibson Solar	Gibson Solar, LLC	Princeton, IN	142 GWh	-	Dec 2025	Solar
GL Wind	GL Wind LLC	Lewiston, MN	6 GWh	Nov 2011	Dec 2024	Wind
Glacier Sands Wind Power, LLC	Glacier Sands Wind Power, LLC	Mason City, IL	632 GWh	Oct 2021	Dec 2025	Wind
Glencoe	Glencoe Light & Power Comm	Glencoe, MN	182 MWh	May 1957	Dec 2024	Distillate Fuel Oil : 99.8%
Gohman Community Solar (CSG)	Gohman Community Solar LLC	Clear Lake, MN	2 GWh	Jan 2020	Dec 2024	Solar
Goodyear Beaumont Chemical Plant	Goodyear Tire & Rubber Co	Beaumont, TX	259 GWh	Feb 1987	Dec 2025	Natural Gas : 98.4% Waste/Other Oil : 1.6%
Gowrie	Gowrie Municipal Utilities	Gowrie, IA	5 MWh	Dec 2012	Dec 2024	Distillate Fuel Oil
Grant County Wind LLC	Grant County Wind, LLC	Woodstock, MN	55 GWh	Jul 2010	Dec 2024	Wind
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%
Beaver Island	Great Lakes Energy Coop	Beaver Island, MI	71 MWh	Aug 2000	Dec 2024	Distillate Fuel Oil
Great Pathfinder Wind	Great Pathfinder Wind	Stratford, IA	810 GWh	Jan 2023	Dec 2025	Wind
Dickinson Solar Array	Great River Energy	Buffalo, MN	3 GWh	Jul 2016	Dec 2024	Solar
Elk River	Great River Energy	Elk River, MN	124 GWh	Dec 1950	Dec 2025	Natural Gas : 99.9%
Cambridge CT Hybrid	Great River Energy	Cambridge, MN	36 GWh	Apr 1978	Dec 2024	Natural Gas : 99.0% Distillate Fuel Oil : 1.0%
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
Maple Lake	Great River Energy	Maple Lake, MN	176 MWh	Apr 1978	Dec 2024	Distillate Fuel Oil
Pleasant Valley (MN)	Great River Energy	Dexter, MN	86 GWh	Apr 2001	Dec 2024	Natural Gas : 99.3% Distillate Fuel Oil : 0.7%
Spiritwood Station	Great River Energy	Spiritwood, ND	186 GWh	Oct 2014	Dec 2025	Natural Gas : 51.7% Refined Coal : 48.3%
Rock Lake CT	Great River Energy	Pine City, MN	270 MWh	Mar 1978	Dec 2024	Distillate Fuel Oil
Green Cow Power	Green Cow Power LLC	Goshen, IN	13 GWh	Mar 2015	Dec 2024	Other Biomass Gas
Green Energy Machine	Green Energy Machine, LLC	Anita, IA	7 GWh	May 2016	Dec 2024	Wind
Green River Solar	Green River Solar, LLC	Guston, KY	271 GWh	-	Dec 2025	Solar
Gibbon Solar	Green Street Power Partners	Gibbon, MN	6 GWh	May 2019	Dec 2024	Solar
GSPP Imholte CSG	Green Street Power Partners	St. Cloud, MN	2 GWh	Apr 2019	Dec 2024	Solar
GSPP Held LLC CSG	Green Street Power Partners	St. Cloud, MN	5 GWh	May 2019	Dec 2024	Solar
GSSP Schneider LLC	Green Street Power Partners	Waite Park, MN	9 GWh	Sep 2019	Dec 2024	Solar
Greenback Energy	Greenback Energy, LLC (Longroad)	Pipestone, MN	5 GWh	Nov 2004	Dec 2024	Wind
Blue Prairie Solar, LLC	Greenbacker Renewable Energy Corporation	Black River Falls, WI	4 GWh	Jul 2021	Dec 2024	Solar
Strobus	Greenbacker Renewable Energy Corporation	Merrillan, WI	3 GWh	Aug 2021	Dec 2024	Solar
Windshare LLC	Greenbacker Renewable Energy Corporation	Chandler, MN	11 GWh	Feb 2006	Dec 2024	Wind
Shamrock Solar LLC	Greenbacker Renewable Energy Corporation	Black River Falls, WI	5 GWh	Nov 2021	Dec 2024	Solar
Stromland Solar	Greenbacker Renewable Energy Corporation	Cochrane, WI	6 GWh	Nov 2021	Dec 2024	Solar
Hay River (Dunn 1)	Greenbacker Renewable Energy Corporation	Boyceville, WI	3 GWh	Jan 2024	Dec 2024	Solar
Bluff Prairie (Vernon)	Greenbacker Renewable Energy Corporation	De Soto, WI	3 GWh	Oct 2023	Dec 2024	Solar
Walleye (Dunn 2)	Greenbacker Renewable Energy Corporation	Colefax, WI	3 GWh	Jan 2024	Dec 2024	Solar
Hazel	Greenbacker Renewable Energy Corporation	Lanesboro, MN	6 GWh	Oct 2021	Dec 2024	Solar
Georgetown (Polk Burnett)	Greenbacker Renewable Energy Corporation	Balsam Lake, WI	4 GWh	Oct 2023	Dec 2024	Solar
Popple Creek (Clark 1)	Greenbacker Renewable Energy Corporation	Colby, WI	4 GWh	Jan 2024	Dec 2024	Solar
Trimbelle (Pierce Pepin)	Greenbacker Renewable Energy Corporation	Hager City, WI	3 GWh	Jan 2024	Dec 2024	Solar
Ogema	Greenbacker Renewable Energy Corporation	Ogema, WI	2 GWh	Feb 2024	Dec 2024	Solar
Ledgeview	Greenbacker Renewable Energy Corporation	Fond du Lac, WI	2 GWh	Jul 2024	Dec 2024	Solar
Wolf River (Chipewa 1)	Greenbacker Renewable Energy Corporation	Stanley, WI	2 GWh	Jan 2024	Dec 2024	Solar
Morey Road	Greenbacker Renewable Energy Corporation	Lake City, MI	71 MWh	Oct 2024	Dec 2024	Solar
Rushford Village	Greenbacker Renewable Energy Corporation	Rushford Village, MN	2 GWh	Oct 2021	Dec 2024	Solar
Lemonweir (Oak 1)	Greenbacker Renewable Energy Corporation	Mauston, WI	6 GWh	Nov 2023	Dec 2024	Solar
Webster Creek (Oak 2)	Greenbacker Renewable Energy Corporation	New Lisbon, WI	3 GWh	Nov 2023	Dec 2024	Solar
Ameresco Danville Solar, LLC	Greenbacker Renewable Energy Corporation	Tilton, IL	4 GWh	Nov 2021	Dec 2024	Solar
Stockton (MN)	Greenbacker Renewable Energy Corporation	Winona, MN	4 GWh	Oct 2021	Dec 2024	Solar
Fountain	Greenbacker Renewable Energy Corporation	Fountain, MN	6 GWh	Oct 2021	Dec 2024	Solar
Rippey Wind Farm	Greenbacker Renewable Energy Corporation	Grand Junction, IA	154 GWh	Jul 2012	Dec 2024	Wind
Forrest City- Eldridge Road	Greenbacker Renewable Energy Corporation	Forrest City, AR	2 GWh	Mar 2021	Dec 2024	Solar
Hawkeye Wind Farm	Greenbacker Renewable Energy Corporation	Sumner, IA	173 GWh	Sep 2012	Dec 2024	Wind
Forrest City- Prison Site	Greenbacker Renewable Energy Corporation	Forrest City, AR	2 GWh	Mar 2021	Dec 2024	Solar
Rockville Solar I LLC	Greenbacker Renewable Energy Corporation	Indianapolis, IN	3 GWh	Mar 2014	Dec 2024	Solar
Panther Creek Wind Project	Greenbacker Renewable Energy Corporation	Pittsfield, IL	134 GWh	-	Dec 2025	Wind
Elk Wind Farm	Greenbacker Renewable Energy Corporation	Greeley, IA	178 GWh	Nov 2011	Dec 2024	Wind
Rockville Solar II, LLC	Greenbacker Renewable Energy Corporation	Indianapolis, IN	812 MWh	Jul 2014	Dec 2024	Solar
Community Wind South	Greenbacker Renewable Energy Corporation	Rushmore, MN	132 GWh	Nov 2012	Dec 2024	Wind
Greenfield Wind	Greenfield Wind Power, LLC	Greenfield, IA	5 GWh	Jul 2012	Dec 2024	Wind
Greenstone Solar, LLC	Greenstone Solar, LLC	Coldwater, MI	37 GWh	Sep 2023	Dec 2024	Solar
Grimm Community Solar	Grimm CSG LLC	Buffalo Lake, MN	2 GWh	Apr 2018	Dec 2024	Solar
Onalaska Campus Landfill Biogas	Gundersen Lutheran Biogas I LLC	Onalaska, WI	4 GWh	Feb 2012	Dec 2024	Landfill Gas
Merom	Hallador Power Company, LLC	Sullivan, IN	5 TWh	Jan 1982	Dec 2025	Bituminous Coal : 99.7%
Story City Wind Project	Hamilton Wind Energy LLC	Story City, IA	5 GWh	Sep 2010	Dec 2024	Wind
Hammer Community (CSG)	Hammer Community Solar LLC	Clear Lake, MN	2 GWh	Jul 2020	Dec 2024	Solar
Hardy Hills Solar Energy LLC	Hardy Hills Solar LLC	Frankfort, IN	363 GWh	Feb 2024	Dec 2025	Solar
Harlan	Harlan Municipal Utilities - (IA)	Harlan, IA	2 MWh	Jun 2001	Dec 2024	Distillate Fuel Oil
Hartmann Project CSG	Hartmann Community Solar LLC	Saint Cloud, MN	1 GWh	Nov 2019	Dec 2024	Solar
Harvest Gold Solar	Harvest Gold Solar Power, LLC	Indianola, MS	181 GWh	Jul 2024	Dec 2025	Solar
Harvest 2	Harvest II Windfarm, LLC	Elkton, MI	202 GWh	Oct 2012	Dec 2024	Wind
Harvest Ridge Wind Farm	Harvest Ridge Wind Farm	Newman, IL	667 GWh	Jun 2020	Dec 2025	Wind
Harvest	Harvest Windfarm, LLC	Elkton, MI	116 GWh	Dec 2007	Dec 2024	Wind
Hastings City Hydroelectric	Hastings Lock & Dam	Hastings, MN	13 GWh	Dec 1991	Dec 2024	Water

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#60	Alcoa Power Generating, Inc. - Yadkin Division	610.0 GWh	4
#27	Associated Electric Cooperative, Inc.	24.1 TWh	47
#13	Duke Energy Carolinas	112.4 TWh	565
#52	Duke Energy Progress West	4.3 TWh	10
#23	Louisville Gas and Electric Company and Kentucky Utilities Company	34.3 TWh	25
#1	PJM Interconnection, LLC	879.0 TWh	2,465
#6	Southern Company Services, Inc. - Trans	250.9 TWh	417
#5	Southwest Power Pool	300.1 TWh	835
#51	Southwestern Power Administration	4.8 TWh	34
#9	Tennessee Valley Authority	162.4 TWh	204

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#1	PJM Interconnection, LLC	879.0 TWh	2,465
#2	Midcontinent Independent System Operator, Inc.	659.4 TWh	2,831
#3	Electric Reliability Council of Texas, Inc.	484.9 TWh	1,313
#5	Southwest Power Pool	300.1 TWh	835
#6	Southern Company Services, Inc. - Trans	250.9 TWh	417
#7	California Independent System Operator	179.9 TWh	2,075
#9	Tennessee Valley Authority	162.4 TWh	204
#10	Florida Power & Light Co.	150.5 TWh	187
#12	New York Independent System Operator	134.0 TWh	1,211
#13	Duke Energy Carolinas	112.4 TWh	565