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
Garden City	Sunflower Electric Power Corp	Garden City, KS	39 GWh	May 1968	Dec 2025	Natural Gas
Great Bend - Sunflower	Sunflower Electric Power Corp	Great Bend, KS	20 GWh	May 1963	Dec 2025	Natural Gas
Russell	Sunflower Electric Power Corp	Russell, KS	2 GWh	Feb 2025	Dec 2025	Solar
Fort Dodge	Sunflower Electric Power Corp	Dodge City, KS	43 GWh	May 1969	Jul 2026	Natural Gas
Holcomb	Sunflower Electric Power Corp	Holcomb, KS	1 TWh	Jul 1983	Jul 2026	Subbituminous Coal : 99.5% Natural Gas : 0.5%
Cimarron River	Sunflower Electric Power Corp	Liberal, KS	30 GWh	Sep 1963	Dec 2025	Natural Gas
Prairie Breeze	SunEdison LLC	Elgin, NE	543 GWh	Apr 2014	Dec 2025	Wind
SPS5 Hopi	SunE SPS5, LLC	Carlsbad, NM	21 GWh	Nov 2011	Dec 2025	Solar
SPS4 Monument	SunE SPS4, LLC	Monument, NM	22 GWh	Nov 2011	Dec 2025	Solar
SPS3 Lea	SunE SPS3, LLC	Eunice, NM	23 GWh	Oct 2011	Dec 2025	Solar
SPS2 Jal	SunE SPS2, LLC	Jal, NM	22 GWh	Aug 2011	Dec 2025	Solar
SPS1 Dollarhide	SunE SPS1, LLC	Jal, NM	22 GWh	Aug 2011	Dec 2025	Solar
Springfield Solar 1 LLC	Strata Manager, LLC	Strafford, MO	6 GWh	May 2014	Jul 2026	Solar
Stillwater Energy Center	Stillwater Utilities Authority	Stillwater, OK	108 GWh	Jun 2016	Dec 2025	Natural Gas
Steele Flats Wind Project LLC	Steele Flats Wind Project LLC	Diller, NE	364 GWh	Sep 2013	Jul 2026	Wind
Pluma - Curry Road North	Standard Solar	Clovis, NM	186 MWh	Nov 2025	Dec 2025	Solar
Alexander Wind Farm LLC	SRIV Partnership LLC	Alexander, KS	168 GWh	Nov 2015	Dec 2025	Wind
SPPW1, LLC	SPPW1, LLC	Upland, NE	24 GWh	Jun 2022	Dec 2025	Wind
Sagamore Wind	Southwestern Public Service Co	Rogers, NM	2 TWh	Nov 2020	Jul 2026	Wind
Quay County	Southwestern Public Service Co	Tucumcari, NM	42 MWh	Sep 2013	Dec 2025	Distillate Fuel Oil
Plant X Solar	Southwestern Public Service Co	Earth, TX	171 GWh	-	Jul 2026	Solar
Cunningham Solar I & BESS	Southwestern Public Service Co	Hobbs, NM	80 GWh	-	Jul 2026	Solar
Cunningham	Southwestern Public Service Co	Hobbs, NM	2 TWh	Dec 1956	Jul 2026	Natural Gas
Maddox	Southwestern Public Service Co	Hobbs, NM	739 GWh	Dec 1962	Jul 2026	Natural Gas
Tolk	Southwestern Public Service Co	Muleshoe, TX	3 TWh	Dec 1981	Jul 2026	Subbituminous Coal : 85.6% Natural Gas : 14.4%
Harrington	Southwestern Public Service Co	Amarillo, TX	2 TWh	Dec 1975	Jul 2026	Natural Gas
Plant X	Southwestern Public Service Co	Earth, TX	586 GWh	Dec 1951	Dec 2025	Natural Gas : 99.9%
Hale Community Wind Farm	Southwestern Public Service Co	Plainview, TX	2 TWh	May 2019	Jul 2026	Wind
Nichols	Southwestern Public Service Co	Amarillo, TX	2 TWh	Dec 1959	Dec 2025	Natural Gas
Jones	Southwestern Public Service Co	Lubbock, TX	3 TWh	Dec 1970	Jul 2026	Natural Gas
Harry D Mattison Gas Plant	Southwestern Electric Power Co	Tontitown, AR	220 GWh	Jun 2007	Dec 2025	Natural Gas
Knox Lee	Southwestern Electric Power Co	Longview, TX	546 GWh	Nov 1950	Dec 2025	Natural Gas
Wilkes	Southwestern Electric Power Co	Avinger, TX	995 GWh	Apr 1964	Dec 2025	Natural Gas
Traverse Wind Project, LLC	Southwestern Electric Power Co	Thomas, OK	3 TWh	Mar 2022	Jul 2026	Wind
Flint Creek	Southwestern Electric Power Co	Gentry, AR	3 TWh	Apr 1978	Jul 2026	Subbituminous Coal : 99.8%
Welsh	Southwestern Electric Power Co	Pittsburg, TX	3 TWh	Feb 1977	Jul 2026	Subbituminous Coal : 99.7%
Wagon Wheel Wind	Southwestern Electric Power Co	Orlando, OK	956 GWh	Nov 2025	Jul 2026	Wind
John W Turk Jr Power Plant	Southwestern Electric Power Co	Fulton, AR	3 TWh	Nov 2012	Jul 2026	Subbituminous Coal : 99.6%
Lieberman	Southwestern Electric Power Co	Mooringsport, LA	253 GWh	Jun 1947	Dec 2025	Natural Gas
Diversion Wind Energy LLC	Southwestern Electric Power Co	Seymour, TX	738 GWh	Nov 2024	Jan 2026	Wind
J Lamar Stall Unit	Southwestern Electric Power Co	Shreveport, LA	3 TWh	May 2010	Jul 2026	Natural Gas
Arsenal Hill	Southwestern Electric Power Co	Shreveport, LA	120 GWh	Feb 1960	Dec 2025	Natural Gas
Grant Wind, LLC	Southern Power Co	Medford, OK	496 GWh	Mar 2016	Dec 2025	Wind
Glass Sands Wind Facility	Southern Power Co	Sulphur, OK	458 GWh	Oct 2021	Jul 2026	Wind
Bethel Wind Farm LLC	Southern Power Co	Dimmitt, TX	1 TWh	Dec 2016	Jul 2026	Wind
Grant Plains Wind, LLC	Southern Power Co	Medford, OK	531 GWh	Nov 2016	Jul 2026	Wind
Reading Wind Project	Southern Power Co	Reading, KS	666 GWh	Apr 2020	Jul 2026	Wind
Wildhorse Mountain Wind Facility	Southern Power Co	Clayton, OK	440 GWh	Nov 2019	Jul 2026	Wind
Soldier Creek Wind	Soldier Creek Wind LLC	Corning, KS	1 TWh	Oct 2020	Jul 2026	Wind
Westar Cities Solar	SoCore Energy LLC	Hutchinson, KS	2 GWh	Jun 2017	Dec 2025	Solar
Kearney NPPD Solar Project	SoCore Energy LLC	Kearney, NE	8 GWh	Nov 2017	Dec 2025	Solar
ABIA Parking Structure	SoCore Energy LLC	Austin, TX	3 GWh	Mar 2021	Dec 2025	Solar
SoCore Clovis 1	SoCore Clovis 1 LLC	Clovis, NM	5 GWh	Mar 2021	Dec 2025	Solar
Snider Industries	Snider Industries Inc	Marshall, TX	14 GWh	Jul 1983	Dec 2025	Wood/Wood Waste Solids
Smoky Hills Wind Project Phase II	Smoky Hills Wind Project II LLC	Lincoln, KS	220 GWh	Oct 2008	Dec 2025	Wind
Smoky Hills Wind Project Phase I	Smoky Hills Wind Farm I LLC	Lincoln, KS	140 GWh	Dec 2007	Dec 2025	Wind
Skeleton Creek Energy Center Hybrid	Skeleton Creek Energy Center	Carrier, OK	1 TWh	Nov 2020	Jul 2026	Wind : 66.3% Solar : 33.7%
Shooting Star	Shooting Star Power Partners, LLC	Mullinville, KS	165 GWh	Aug 2012	Dec 2025	Wind
Sholes Wind Energy Center	Sholes Wind Energy Center, LLC	Randolph, NE	661 GWh	Oct 2019	Jul 2026	Wind
Seward Wind Farm	Seward Wind LLC	Seward, NE	6 GWh	Nov 2017	Dec 2025	Wind
Seven Cowboy Wind Project, LLC	Seven Cowboy Wind Project, LLC	Rocky, OK	1 TWh	Feb 2023	Jul 2026	Wind
Boiling Springs Wind Farm	RWE Clean Energy	Woodward, OK	600 GWh	Nov 2020	Jul 2026	Wind
Campbell County Wind Farm	RWE Clean Energy	Pollock, SD	343 GWh	Nov 2015	Dec 2025	Wind
Aurora County Wind	RWE Clean Energy	White Lake, SD	80 GWh	Sep 2018	Dec 2025	Wind
Oak Tree Energy	RWE Clean Energy	Clark, SD	66 GWh	Nov 2014	Dec 2025	Wind
Brule County Wind	RWE Clean Energy	Kimball, SD	80 GWh	Sep 2018	Dec 2025	Wind
Broken Bow Wind II, LLC	RWE Clean Energy	Broken Bow, NE	240 GWh	Sep 2014	Dec 2025	Wind
Rush Springs Wind	Rush Springs Wind Project	Marlow, OK	923 GWh	Nov 2016	Jul 2026	Wind
Roswell Solar, LLC	Roswell Solar, LLC	Roswell, NM	145 GWh	Jul 2016	Jul 2026	Solar
Rocky Ridge Wind Project	Rocky Ridge Wind Project LLC	Hobart, OK	322 GWh	May 2012	Dec 2025	Wind
Rocking R Solar, LLC	Rocking R Solar, LLC	Hosston, LA	155 GWh	Jul 2025	Jul 2026	Solar
Rockhaven Wind Project, LLC	Rockhaven Wind Project, LLC	Hennepin, OK	525 GWh	Nov 2021	Jul 2026	Wind
Rock Rapids	Rock Rapids Municipal Utility - (IA)	Rock Rapids, IA	20 MWh	Mar 1968	Dec 2025	Distillate Fuel Oil
RE Solar, LLC	Redfield Energy, LLC	Redfield, SD	12 GWh	Nov 2024	Dec 2025	Solar
Redbed Plains Wind Farm	Redbed Plains Wind Farm LLC	Tuttle, OK	416 GWh	Jun 2017	Jul 2026	Wind
Red Dirt Wind Project	Red Dirt Wind Project, LLC	Hennessy, OK	907 GWh	Nov 2017	Jul 2026	Wind
Rattlesnake Creek Wind Project	Rattlesnake Creek Wind Project, LLC	Dixon, NE	919 GWh	Nov 2018	Jul 2026	Wind
Ralls Wind Farm	Ralls Wind Farm LLC	Ralls, TX	8 GWh	Jun 2011	Dec 2025	Wind
Maverick Wind Project, LLC	Public Service Co of Oklahoma	Lahoma, OK	942 GWh	Aug 2021	Jul 2026	Wind
Riverside (OK)	Public Service Co of Oklahoma	Jenks, OK	740 GWh	Mar 1974	Jul 2026	Natural Gas
Flat Ridge 5	Public Service Co of Oklahoma	Harper, KS	331 GWh	Jul 2025	Jul 2026	Wind
Pixley Solar Energy	Public Service Co of Oklahoma	Medicine Lodge, KS	447 GWh	Apr 2025	Jul 2026	Solar
Rock Falls Wind Farm LLC	Public Service Co of Oklahoma	Braman, OK	387 GWh	Nov 2017	Jan 2026	Wind
Weleetka	Public Service Co of Oklahoma	Weleetka, OK	13 GWh	Sep 1963	Dec 2025	Natural Gas
Tulsa	Public Service Co of Oklahoma	Tulsa, OK	295 GWh	Oct 1956	Dec 2025	Natural Gas
Green Country Power Station	Public Service Co of Oklahoma	Jenks, OK	4 TWh	Jan 2002	Jul 2026	Natural Gas
Southwestern	Public Service Co of Oklahoma	Anadarko, OK	453 GWh	Jun 1952	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%
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
Flat Ridge 4	Public Service Co of Oklahoma	Harper, KS	375 GWh	May 2025	Feb 2026	Wind
Pratt Wind, LLC	Pratt Wind, LLC	Andover, KS	866 GWh	Nov 2018	Jul 2026	Wind
Prairie Queen Wind Farm	Prairie Queen Wind Farm LLC	Moran, KS	444 GWh	Apr 2019	Jul 2026	Wind
Fredonia Solar (KS)	PPM Solar LLC	Fredonia, KS	4 GWh	Apr 2024	Dec 2025	Solar
Beloit Solar LLC	PPM Solar LLC	Beloit, KS	4 GWh	May 2022	Dec 2025	Solar
Ponderosa Wind Energy Center	Ponderosa Wind, LLC	Beaver, OK	937 GWh	Oct 2020	Jul 2026	Wind
Ponderosa Wind II	Ponderosa Wind II, LLC	Balko, OK	465 GWh	Nov 2024	Jul 2026	Wind
Polk County Renewables, LLC	Polk County Renewables, LLC	Osceola, NE	11 GWh	Nov 2018	Dec 2025	Wind
POET Bioprocessing- Mitchell	POET Bioprocessing- Mitchell	Mitchell, SD	20 GWh	Sep 2021	Dec 2025	Natural Gas
Plum Creek Wind Project (NE)	Plum Creek Wind, LLC	Winside, NE	784 GWh	May 2020	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