Southwest Power Pool

Balancing Authority Summary Information

Southwest Power Pool is ranked #5 out of 64 balancing authorities in terms of total annual electricity generation.

Balancing Authority	Southwest Power Pool
States	Arkansas Colorado Iowa Kansas Louisiana Minnesota Missouri Montana Nebraska New Mexico North Dakota Oklahoma South Dakota Texas
Last Update	Oct 2026
Annual Generation	314.5 TWh
Power Plants	876
Utilities	471
Ranked #5 out of 64 in terms of net annual generation
Ranked #3 out of 32 in terms of annual generation from wind
Power Plant Types	Wind \| 37.3% Natural Gas \| 26.9% Coal \| 26.5% Nuclear \| 5.1% Water \| 2.6% Solar \| 1.6% Other Fuel \| 0.2%

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Daily Net Generation for Southwest Power Pool for the past 3 Years

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Plant Name	Utility	Location	Annual Generation	Plant Date	Last Update	Fuel Types
Hebron	Nebraska Public Power District	Hebron, NE	3 GWh	May 1973	Dec 2025	Distillate Fuel Oil
Mobile	Nebraska Public Power District	York, NE	29 MWh	Dec 1979	Dec 2025	Distillate Fuel Oil
Ainsworth Wind	Nebraska Public Power District	Ainsworth, NE	66 GWh	Sep 2005	Dec 2025	Wind
Majestic II Wind	NextEra Energy Majestic Wind	Panhandle, TX	180 GWh	Jul 2012	Dec 2025	Wind
Majestic 1 Wind Farm	NextEra Energy Majestic Wind	Panhandle, TX	350 GWh	Dec 2008	Dec 2025	Wind
Breckinridge Wind Project LLC	NextEra Energy Resources Breckinridge	Enid, OK	291 GWh	Jul 2015	Dec 2025	Wind
Ensign Wind LLC	NextEra Energy Resources Ensign Wind	Montezuma, KS	400 GWh	Oct 2012	Dec 2025	Wind
Seiling Wind I	NextEra Energy Seiling Wind	Seiling, OK	454 GWh	Nov 2014	Dec 2025	Wind
Seiling Wind II	NextEra Energy Seiling Wind	Seiling, OK	261 GWh	Nov 2014	Dec 2025	Wind
Ninnescah Wind Energy, LLC	Ninnescah Wind Energy LLC	Cunningham, KS	789 GWh	Nov 2016	Jul 2026	Wind
North Bend Wind Project, LLC	North Bend Wind Project, LLC	Highmore, SD	857 GWh	Nov 2023	Jun 2026	Wind
North Fork Solar Project	North Fork Solar Project, LLC	Snyder, OK	320 GWh	Apr 2024	Jul 2026	Solar
Osmond 1	Northeast Power	Osmond, NE	2 MWh	Nov 2023	Dec 2025	Distillate Fuel Oil
Harrison County Power Project	Northeast Texas Elec Coop, Inc	Marshall, TX	3 TWh	May 2003	Jul 2026	Natural Gas
Beethoven Wind	NorthWestern Energy - (SD)	Tripp, SD	282 GWh	Apr 2015	Dec 2025	Wind
Aberdeen CT	NorthWestern Energy - (SD)	Aberdeen, SD	56 GWh	Apr 1978	Dec 2025	Natural Gas
Bob Glanzer Generating Station	NorthWestern Energy - (SD)	Huron, SD	99 GWh	Mar 2022	Dec 2025	Natural Gas
San Juan Mesa Wind Project LLC	NRG Energy Gas & Wind Holdings Inc	Elida, NM	223 GWh	Nov 2005	Jul 2026	Wind
Sleeping Bear LLC	NRG Energy Gas & Wind Holdings Inc	Woodward, OK	84 GWh	Sep 2007	Dec 2025	Wind
Wasson CO2 Removal Plant	Occidental Permian Ltd	Denver City, TX	114 GWh	Jan 1988	Dec 2025	Natural Gas
Muskogee	Oklahoma Gas & Electric Co	Fort Gibson, OK	3 TWh	Nov 1977	Jul 2026	Natural Gas : 60.3% Subbituminous Coal : 39.7%
Horseshoe Lake	Oklahoma Gas & Electric Co	Harrah, OK	443 GWh	Mar 1958	Dec 2025	Natural Gas
Chickasaw Nation Solar Farm	Oklahoma Gas & Electric Co	Davis, OK	10 GWh	Jun 2020	Dec 2025	Solar
Mustang	Oklahoma Gas & Electric Co	Oklahoma City, OK	524 GWh	Apr 1950	Jul 2026	Natural Gas : 99.2% Solar : 0.8%
Seminole (OK)	Oklahoma Gas & Electric Co	Konowa, OK	2 TWh	Feb 1971	Jul 2026	Natural Gas
Tinker	Oklahoma Gas & Electric Co	Oklahoma City, OK	10 GWh	May 1971	Dec 2025	Natural Gas
Frontier	Oklahoma Gas & Electric Co	Oklahoma City, OK	487 GWh	Aug 1989	Jul 2026	Natural Gas
River Valley	Oklahoma Gas & Electric Co	Panama, OK	561 GWh	Aug 1990	Jul 2026	Subbituminous Coal : 91.1% Tire-derived Fuels : 5.8% Natural Gas : 3.0%
Choctaw Nation Solar Farm	Oklahoma Gas & Electric Co	Calera, OK	9 GWh	Jun 2020	Dec 2025	Solar
Butterfield Solar Farm	Oklahoma Gas & Electric Co	Durant, OK	11 GWh	Feb 2022	Dec 2025	Solar
OU Spirit Wind Farm	Oklahoma Gas & Electric Co	Woodward, OK	127 GWh	Nov 2009	Dec 2025	Wind
Crossroads Wind Farm	Oklahoma Gas & Electric Co	Canton, OK	401 GWh	Dec 2011	Jul 2026	Wind
Centennial Wind Farm	Oklahoma Gas & Electric Co	Fort Supply, OK	157 GWh	Nov 2006	Dec 2025	Wind
McClain Energy Facility	Oklahoma Gas & Electric Co	Newcastle, OK	2 TWh	May 2001	Jul 2026	Natural Gas
Sooner	Oklahoma Gas & Electric Co	Red Rock, OK	2 TWh	Oct 1979	Jul 2026	Subbituminous Coal : 99.2% Distillate Fuel Oil : 0.8%
Redbud Power Plant	Oklahoma Gas & Electric Co	Luther, OK	4 TWh	Apr 2004	Jul 2026	Natural Gas
Covington Solar Farm	Oklahoma Gas & Electric Co	Covington, OK	12 GWh	Jan 2018	Dec 2025	Solar
Branch Solar Farm	Oklahoma Gas & Electric Co	Branch, AR	7 GWh	Sep 2021	Dec 2025	Solar
Charles D. Lamb Energy Center	Oklahoma Municipal Power Authority	Ponca City, OK	118 GWh	Mar 2015	Dec 2025	Natural Gas
Kaw Hydro	Oklahoma Municipal Power Authority	Ponca City, OK	81 GWh	Jul 1989	Nov 2025	Water
Ponca City	Oklahoma Municipal Power Authority	Ponca City, OK	32 GWh	Sep 1966	Dec 2025	Natural Gas
Oliver Wind IV	Oliver Wind IV, LLC	Hannover, ND	825 GWh	Nov 2024	Jul 2026	Wind
Elk City Station	Omaha Public Power District	Bennington, NE	39 GWh	Mar 2002	Oct 2025	Landfill Gas
Turtle Creek	Omaha Public Power District	Springfield, NE	539 GWh	May 2025	Jul 2026	Natural Gas : 98.5% Distillate Fuel Oil : 1.5%
Cass County	Omaha Public Power District	Plattsmouth, NE	155 GWh	Apr 2003	Dec 2025	Natural Gas
Standing Bear Lake	Omaha Public Power District	Omaha, NE	39 GWh	Oct 2025	Dec 2025	Natural Gas : 69.2% Distillate Fuel Oil : 30.8%
Nebraska City	Omaha Public Power District	Nebraska City, NE	8 TWh	Mar 1979	Jul 2026	Subbituminous Coal : 99.6%
Jones Street	Omaha Public Power District	Omaha, NE	10 GWh	May 1973	Dec 2025	Distillate Fuel Oil
North Omaha	Omaha Public Power District	Omaha, NE	2 TWh	Jun 1954	Jul 2026	Subbituminous Coal : 91.0% Natural Gas : 9.0%
Sarpy County	Omaha Public Power District	Bellevue, NE	179 GWh	May 1972	Dec 2025	Natural Gas : 95.0% Distillate Fuel Oil : 5.0%
Oneta Energy Center	Oneta Power LLC	Broken Arrow, OK	4 TWh	Jun 2002	Jul 2026	Natural Gas
GIUD Solar I	Onsite Partners, LLC	Grand Island, NE	2 GWh	Sep 2018	Dec 2025	Solar
Riley III - Site 12 Community Solar	Onyx Asset Services Group	Fort Riley, KS	2 GWh	Dec 2024	Dec 2025	Solar
Middle Daisy	Onyx Asset Services Group	Lovington, NM	9 GWh	Oct 2017	Dec 2025	Solar
Corvias - Fort Riley II	Onyx Asset Services Group	Fort Riley, KS	2 GWh	Jan 2022	Dec 2025	Solar
Riley III - Site 6 Community Solar	Onyx Asset Services Group	Fort Riley, KS	3 GWh	Feb 2025	Dec 2025	Solar
Origin Wind	Origin Wind Energy LLC	Hennepin, OK	296 GWh	Oct 2014	Dec 2025	Wind
Engineered Carbons Borger Cogen	Orion Engineered Carbons	Borger, TX	32 GWh	Sep 1982	Dec 2025	Other Gas : 99.5%
OREG 2 Inc	Ormat Nevada Inc	Culbertson, MT	119 GWh	Nov 2008	Jul 2026	Waste Heat
OREG 1 Inc	Ormat Nevada Inc	Culbertson, MT	124 GWh	Jun 2006	Jul 2026	Waste Heat
Osborn Wind Energy	Osborn Wind Energy LLC	Stewartsville, MO	688 GWh	Nov 2016	Jul 2026	Wind
Osceola Windpower LLC	Osceola Windpower LLC	Harris, IA	384 GWh	Jun 2008	Jul 2026	Wind
Ozarks Natural Energy Community Solar	Ozarks Electric Coop Corp - (AR)	Springdale, AR	2 GWh	Mar 2016	Dec 2025	Solar
Palmer's Creek Wind Farm, LLC	Palmer's Creek Wind Farm, LLC	Granite Falls, MN	131 GWh	Nov 2018	Jul 2026	Wind
Palo Duro Wind	Palo Duro Wind	Perryton, TX	1 TWh	Nov 2014	Jul 2026	Wind
Pantex	Pantex (NNSA)	Amarillo, TX	40 GWh	May 2014	Jul 2026	Wind
Post Rock Wind Power Project, LLC	Pattern Operators LP	Ellsworth, KS	424 GWh	Aug 2012	Jul 2026	Wind
Buzzard Flop	Peoples Electric Cooperative	Calvin, OK	13 GWh	Mar 2023	Dec 2025	Natural Gas
Centrahoma East	Peoples Electric Cooperative	Centrahoma, OK	74 GWh	Jun 2019	Dec 2025	Natural Gas
Centrahoma West	Peoples Electric Cooperative	Centrahoma, OK	85 GWh	Jun 2019	Dec 2025	Natural Gas
Little Dixie	Peoples Electric Cooperative	Centrahoma, OK	27 GWh	Jun 2019	Dec 2025	Natural Gas
Stuart (OK)	Peoples Electric Cooperative	McAlester, OK	12 GWh	Mar 2023	Dec 2025	Natural Gas
Perennial Windfarm	Perennial Wind, LLC	Fairmont, NE	33 GWh	Jun 2018	Dec 2025	Wind
Pleasant Hill Wind Energy Project	Pleasant Hill Wind Energy LLC	Lorenzo, TX	33 GWh	Sep 2015	Dec 2025	Wind
Plum Creek Wind Project (NE)	Plum Creek Wind, LLC	Winside, NE	784 GWh	May 2020	Jul 2026	Wind
POET Bioprocessing- Mitchell	POET Bioprocessing- Mitchell	Mitchell, SD	20 GWh	Sep 2021	Dec 2025	Natural Gas
Polk County Renewables, LLC	Polk County Renewables, LLC	Osceola, NE	11 GWh	Nov 2018	Dec 2025	Wind
Ponderosa Wind II	Ponderosa Wind II, LLC	Balko, OK	465 GWh	Nov 2024	Jul 2026	Wind
Ponderosa Wind Energy Center	Ponderosa Wind, LLC	Beaver, OK	937 GWh	Oct 2020	Jul 2026	Wind
Beloit Solar LLC	PPM Solar LLC	Beloit, KS	4 GWh	May 2022	Dec 2025	Solar
Fredonia Solar (KS)	PPM Solar LLC	Fredonia, KS	4 GWh	Apr 2024	Dec 2025	Solar
Prairie Queen Wind Farm	Prairie Queen Wind Farm LLC	Moran, KS	444 GWh	Apr 2019	Jul 2026	Wind
Pratt Wind, LLC	Pratt Wind, LLC	Andover, KS	866 GWh	Nov 2018	Jul 2026	Wind
Maverick Wind Project, LLC	Public Service Co of Oklahoma	Lahoma, OK	942 GWh	Aug 2021	Jul 2026	Wind
Sundance Wind Project, LLC	Public Service Co of Oklahoma	Alva, OK	654 GWh	Mar 2021	Jul 2026	Wind
Comanche (OK)	Public Service Co of Oklahoma	Lawton, OK	331 GWh	Apr 1962	Dec 2025	Natural Gas
Green Country Power Station	Public Service Co of Oklahoma	Jenks, OK	4 TWh	Jan 2002	Jul 2026	Natural Gas
Riverside (OK)	Public Service Co of Oklahoma	Jenks, OK	740 GWh	Mar 1974	Jul 2026	Natural Gas
Tulsa	Public Service Co of Oklahoma	Tulsa, OK	295 GWh	Oct 1956	Dec 2025	Natural Gas
Northeastern	Public Service Co of Oklahoma	Oologah, OK	4 TWh	Mar 1961	Jul 2026	Natural Gas : 82.6% Subbituminous Coal : 17.4%
Rock Falls Wind Farm LLC	Public Service Co of Oklahoma	Braman, OK	387 GWh	Nov 2017	Jan 2026	Wind
Flat Ridge 4	Public Service Co of Oklahoma	Harper, KS	375 GWh	May 2025	Feb 2026	Wind
Pixley Solar Energy	Public Service Co of Oklahoma	Medicine Lodge, KS	447 GWh	Apr 2025	Jul 2026	Solar
Southwestern	Public Service Co of Oklahoma	Anadarko, OK	453 GWh	Jun 1952	Dec 2025	Natural Gas
Weleetka	Public Service Co of Oklahoma	Weleetka, OK	13 GWh	Sep 1963	Dec 2025	Natural Gas
Flat Ridge 5	Public Service Co of Oklahoma	Harper, KS	331 GWh	Jul 2025	Jul 2026	Wind
Ralls Wind Farm	Ralls Wind Farm LLC	Ralls, TX	8 GWh	Jun 2011	Dec 2025	Wind
Rattlesnake Creek Wind Project	Rattlesnake Creek Wind Project, LLC	Dixon, NE	919 GWh	Nov 2018	Jul 2026	Wind
Red Dirt Wind Project	Red Dirt Wind Project, LLC	Hennessy, OK	907 GWh	Nov 2017	Jul 2026	Wind
Redbed Plains Wind Farm	Redbed Plains Wind Farm LLC	Tuttle, OK	416 GWh	Jun 2017	Jul 2026	Wind

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#26	Associated Electric Cooperative, Inc.	22.9 TWh	47
#46	El Paso Electric Company	7.4 TWh	37
#3	Electric Reliability Council of Texas, Inc.	506.3 TWh	1,487
#2	Midcontinent Independent System Operator, Inc.	677.7 TWh	3,095
#20	Public Service Company of Colorado	47.6 TWh	248
#32	Public Service Company of New Mexico	16.9 TWh	137
#53	Southwestern Power Administration	3.5 TWh	37
#9	Tennessee Valley Authority	166.2 TWh	209
#34	Western Area Power Administration - Rocky Mountain Region	14.8 TWh	206
#62	Western Area Power Administration - Upper Great Plains West	168.1 GWh	24

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#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
#15	ISO New England	112.2 TWh	1,667