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
Bluff Prairie (Vernon)	Greenbacker Renewable Energy Corporation	De Soto, WI	3 GWh	Oct 2023	Dec 2025	Solar
Georgetown (Polk Burnett)	Greenbacker Renewable Energy Corporation	Balsam Lake, WI	4 GWh	Oct 2023	Dec 2025	Solar
Prairie Creek Solar	Sol Systems	Jacksonville, IL	59 GWh	Oct 2023	Jul 2026	Solar
Delta's Edge Solar	Cubico USA, LLC	Greenwood, MS	163 GWh	Oct 2023	Jul 2026	Solar
Winona Garden	Winona Garden LLC	Altura, MN	2 GWh	Oct 2023	Dec 2025	Solar
Pepin Garden	Pepin Garden LLC	Kellogg, MN	2 GWh	Oct 2023	Dec 2025	Solar
Crane Garden	Crane Garden LLC	Lester Prairie, MN	2 GWh	Oct 2023	Dec 2025	Solar
Wolverine Solar	Wolverine Solar, LLC	Maynard, MN	2 GWh	Oct 2023	Dec 2025	Solar
Blue Elk VII Solar, LLC	Blue Elk VII Solar, LLC	Flint, MI	21 GWh	Oct 2023	Dec 2025	Solar
Paddock Solar	Wisconsin Power & Light Co	Beloit, WI	135 GWh	Oct 2023	Jul 2026	Solar
Willford Solar, LLC	Willford Solar, LLC	Gladwin, MI	41 GWh	Sep 2023	Dec 2025	Solar
Shipsterns Solar, LLC	Shipsterns Solar, LLC	Albion, MI	41 GWh	Sep 2023	Dec 2025	Solar
Lightfoot Solar, LLC	Lightfoot Solar, LLC	Luzerne, MI	18 GWh	Sep 2023	Dec 2025	Solar
Byrne Solar, LLC	Byrne Solar, LLC	Lowell, MI	10 GWh	Sep 2023	Dec 2025	Solar
Umbriel Solar	Umbriel Solar, LLC	Livington, TX	317 GWh	Sep 2023	Jul 2026	Solar
Happy Solar 1	Lightsource Renewable Energy Asset Management, LLC	Searcy, AR	210 GWh	Sep 2023	Jul 2026	Solar
IMPA Knightstown Solar Park	Indiana Municipal Power Agency	Knightstown, IN	2 GWh	Sep 2023	Dec 2025	Solar
Newport Solar Project	Newport Solar, LLC	Newport, AR	352 GWh	Sep 2023	Jul 2026	Solar
Greenstone Solar, LLC	Greenstone Solar, LLC	Coldwater, MI	35 GWh	Sep 2023	Dec 2025	Solar
Midcontinent Solar, LLC	Midcontinent Solar, LLC	Owosso, MI	38 GWh	Sep 2023	Dec 2025	Solar
White River Medical Center	Entegrity Solar WRMC, LLC	Newport, AR	5 GWh	Sep 2023	Dec 2025	Solar
SolarClub 03	Nautilus Solar Solutions	Starbuck, MN	2 GWh	Aug 2023	Dec 2025	Solar
SV CSG Barrass Farms II LL	SV CSG Barrass Farms II LLC	Marion, IL	5 GWh	Aug 2023	Dec 2025	Solar
LRWRA	Entegrity Solar LRWRA, LLC	Little Rock, AR	2 GWh	Jul 2023	Dec 2025	Solar
Fayetteville Public Schools (SWEPCO)	Nabholz Solar FPS, LLC	Booneville, AR	8 GWh	Jul 2023	Dec 2025	Solar
IMPA Middletown Solar Park	Indiana Municipal Power Agency	Middletown, IN	2 GWh	Jul 2023	Dec 2025	Solar
Hoot Lake Solar	Otter Tail Power Co	Fergus Falls, MN	73 GWh	Jul 2023	Jul 2026	Solar
Sylvan Solar	ALLETE, Inc.	Pillager, MN	25 GWh	Jun 2023	Dec 2025	Solar
IMPA Washington Solar Park 2	Indiana Municipal Power Agency	Washington, IN	19 GWh	Jun 2023	Dec 2025	Solar
Rafterville Solar	Rafterville Solar, LLC	Atwater, MN	2 GWh	Jun 2023	Dec 2025	Solar
Weston RICE	Wisconsin Public Service Corp	Kronenwetter, WI	144 GWh	Jun 2023	Dec 2025	Natural Gas
Courtland CSG LLC	United States Solar Corporation	Courtland, MN	2 GWh	Jun 2023	Dec 2025	Solar
USS Wonder Solar LLC	United States Solar Corporation	Bird Island, MN	2 GWh	Jun 2023	Dec 2025	Solar
USS Wolf Solar LLC	United States Solar Corporation	Wood Lake, MN	2 GWh	Jun 2023	Dec 2025	Solar
USS Dressen Family Solar LLC	United States Solar Corporation	Mayer, MN	2 GWh	Jun 2023	Dec 2025	Solar
South Garden	South Garden LLC	Winstead, MN	2 GWh	Jun 2023	Dec 2025	Solar
USS Golly Gee Solar LLC	United States Solar Corporation	Clear Lake, MN	2 GWh	Jun 2023	Dec 2025	Solar
Lily Garden	Lily Garden LLC	Waseca, MN	2 GWh	Jun 2023	Dec 2025	Solar
Adams PV Plant	Adams PV Plant (WI)	Adams, WI	15 GWh	Jun 2023	Dec 2025	Solar
Southside SD	Entegrity Solar Southside SD, LLC	Little Rock, AR	2 GWh	May 2023	Dec 2025	Solar
Portage Solar Plant	Portage Solar Plant	Portage, WI	21 GWh	May 2023	Dec 2025	Solar
Dunns Bridge I Solar	Dunns Bridge Solar Center LLC	Wheatfield, IN	421 GWh	May 2023	Jul 2026	Solar
Pivot Energy Minnesota Solar 1	Pivot Energy	Clinton Falls, MN	2 GWh	May 2023	Dec 2025	Solar
Pivot Energy Minnesota Solar 10	Pivot Energy	Greenwald, MN	1 GWh	May 2023	Dec 2025	Solar
Dane County Solar LLC	Dane County Solar LLC	Cottage Grove, WI	34 GWh	May 2023	Dec 2025	Solar
Indiana Crossroads Solar Park	Meadow Lake Solar Park	Reynolds, IN	380 GWh	May 2023	Jul 2026	Solar
ACC	Entegrity Solar ACC, LLC	Searcy, AR	4 GWh	Apr 2023	Dec 2025	Solar
Novel Caroline Solar, LLC CSG	REA Investments, LLC	North Branch, MN	2 GWh	Apr 2023	Dec 2025	Solar
Ivanhoe Generation Facility	Orion Engineered Carbons	Franklin, LA	72 GWh	Mar 2023	Dec 2025	Waste Heat
Meridian Wind Park	DTE Electric Company	Merrill, MI	482 GWh	Mar 2023	Jul 2026	Wind
Red Barn Energy	Wisconsin Public Service Corp	Montfort, WI	255 GWh	Mar 2023	Jul 2026	Wind
Johnson CSG 2	Madison Energy Holdings LLC	Lindstrom, MN	2 GWh	Feb 2023	Dec 2025	Solar
Deerfield Wind Energy 2	Deerfield Wind Energy 2, LLC	Port Hope, MI	278 GWh	Feb 2023	Jul 2026	Wind
Briscoe 2A	7th Road Solar 2, LLC (Briscoe 2A)	Lostant, IL	5 GWh	Jan 2023	Dec 2025	Solar
Briscoe 1A	7th Road Solar 1, LLC (Briscoe 1A)	Tonica, IL	4 GWh	Jan 2023	Dec 2025	Solar
DePue Holdings, LLC	DePue Holdings, LLC	DePue, IL	35 GWh	Jan 2023	Dec 2025	Solar
Elba Solar LLC	Elba Solar LLC	Williamsfield, IL	4 GWh	Jan 2023	Dec 2025	Solar
Great Pathfinder Wind	Great Pathfinder Wind	Stratford, IA	726 GWh	Jan 2023	Jul 2026	Wind
Bear Grove Solar	Bear Grove Solar, LLC	Byron, MN	2 GWh	Jan 2023	Dec 2025	Solar
St. James Solar (LA)	St. James Solar, LLC	Vacherie, LA	50 GWh	Jan 2023	Dec 2025	Solar
Andresen Solar	Ballantyne LLC	Clara City, MN	2 GWh	Dec 2022	Dec 2025	Solar
Platt Solar	Cannon River LLC	Hadley, MN	2 GWh	Dec 2022	Dec 2025	Solar
Titlow Garden LLC CSG	Titlow Garden LLC	Gaylord, MN	2 GWh	Dec 2022	Dec 2025	Solar
Northern Wind	Northern States Power Co - Minnesota	Lake Wilson, MN	341 GWh	Dec 2022	Jul 2026	Wind
USS Wells Creek Solar LLC	United States Solar Corporation	Goodhue, MN	2 GWh	Dec 2022	Dec 2025	Solar
USS Mesa Solar LLC	United States Solar Corporation	Danube, MN	2 GWh	Dec 2022	Dec 2025	Solar
USS Catfish Solar LLC	United States Solar Corporation	Franklin, MN	2 GWh	Dec 2022	Dec 2025	Solar
USS Franklin Solar LLC	United States Solar Corporation	Franklin, MN	2 GWh	Dec 2022	Dec 2025	Solar
Cement City Solar, LLC	AES Distributed Energy	Cement City, MI	32 GWh	Dec 2022	Dec 2025	Solar
Novel Schroeder Solar LLC CSG	REA Investments, LLC	Renville, MN	2 GWh	Dec 2022	Dec 2025	Solar
Jean Duluth Solar	ALLETE, Inc.	Duluth, MN	2 GWh	Nov 2022	Dec 2025	Solar
Laskin Solar	ALLETE, Inc.	Hoyt Lakes, MN	8 GWh	Nov 2022	Dec 2025	Solar
Westside Solar	Westside Solar, LLC (Ecofin)	Rochester, MN	19 GWh	Nov 2022	Dec 2025	Solar
Brainerd Airport	Onsite Partners, LLC	Brainerd, MN	10 GWh	Nov 2022	Dec 2024	Solar
Timmerman (CSG)	Elora LLC	Balaton, MN	2 GWh	Nov 2022	Dec 2025	Solar
Walleye Wind	Walleye Wind, LLC	Beaver Creek, MN	457 GWh	Nov 2022	Jul 2026	Wind
Buffalo Ridge Wind	Buffalo Ridge Wind, LLC	Lake Benton, MN	430 GWh	Nov 2022	Jul 2026	Wind
Kossuth County Wind	Kossuth County Wind, LLC	Lu Verne, IA	276 GWh	Nov 2022	Jul 2026	Wind
Rock Aetna Power Partners	Northern States Power Co - Minnesota	Woodstock, MN	84 GWh	Nov 2022	Dec 2025	Wind
Hormel CSG Solar	DG Central 1, LLC	Montevideo, MN	2 GWh	Nov 2022	Dec 2025	Solar
Ledyard Windpower, LLC	Deriva Energy	Lakota, IA	649 GWh	Nov 2022	Jul 2026	Wind
Wood County	Wisconsin Power & Light Co	Nekoosa, WI	279 GWh	Nov 2022	Jul 2026	Solar
Calhoun Solar	Invenergy Services LLC	Battle Creek, MI	367 GWh	Nov 2022	Jul 2026	Solar
Pullman Solar, LLC	AES Distributed Energy	Lee Township, MI	33 GWh	Nov 2022	Dec 2025	Solar
Letts Creek Solar, LLC	AES Distributed Energy	Grass Lake, MI	25 GWh	Nov 2022	Dec 2025	Solar
Amazon MDW7 Solar Project	Solar Star Prime 6, LLC	Monee, IL	3 GWh	Oct 2022	Dec 2025	Solar
Skalbeck Solar	Cascade Solar LLC	Sacred Heart, MN	2 GWh	Oct 2022	Dec 2025	Solar
MN CSG 2019-38 DE LLC	MN CSG 2019-38 DE LLC	Cleveland, MN	2 GWh	Oct 2022	Dec 2025	Solar
Bremen	Indiana Municipal Power Agency	Bremen, IN	13 GWh	Oct 2022	Dec 2025	Solar
Iris Solar LLC	Iris Solar LLC	Franklinton, LA	117 GWh	Sep 2022	Jul 2026	Solar
USS Verbena Solar LLC	United States Solar Corporation	Stewart, MN	2 GWh	Sep 2022	Sep 2025	Solar
North Rock	Wisconsin Power & Light Co	Edgerton, WI	94 GWh	Sep 2022	Jul 2026	Solar
Peru 3	Indiana Municipal Power Agency	Peru, IN	5 GWh	Sep 2022	Dec 2025	Solar
Dodge Renewables 2	Dodge Renewables 2, LLC	Hayfield, MN	2 GWh	Aug 2022	Dec 2025	Solar
USS Water Fowl Solar LLC CSG	United States Solar Corporation	Silver Lake, MN	807 MWh	Aug 2022	Dec 2025	Solar
Sunflower County	Sunflower County Solar Project, LLC	Ruleville, MS	148 GWh	Aug 2022	Jul 2026	Solar
Novel Shelly Solar LLC (CSG)	REA Investments, LLC	Cottonwood, MN	2 GWh	Aug 2022	Dec 2025	Solar
Bear Creek (WI)	Wisconsin Power & Light Co	Lone Rock, WI	101 GWh	Aug 2022	Jul 2026	Solar
Novel Stein Solar LLC CSG	REA Investments, LLC	Taylors Falls, MN	2 GWh	Aug 2022	Dec 2025	Solar
Kankakee 2	Kankakee Solar 2 LLC	Bourbonnais, IL	4 GWh	Jul 2022	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