Southwest Power Pool

Balancing Authority Summary Information

Southwest Power Pool is ranked #5 out of 65 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	May 2025
Annual Generation	297.0 TWh
Power Plants	762
Utilities	424
Ranked #5 out of 65 in terms of net annual generation
Ranked #3 out of 34 in terms of annual generation from wind
Power Plant Types	Wind \| 37.2% Natural Gas \| 27.1% Coal \| 26.3% Nuclear \| 5.6% Water \| 3.1% Solar \| 0.5% Other Fuel \| 0.1%

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

Plant Name	Utility	Location	Annual Generation	Plant Date	Last Update	Fuel Types
Wildhorse Mountain Wind Facility	Southern Power Co	Clayton, OK	403 GWh	Nov 2019	Mar 2025	Wind
Harry D Mattison Gas Plant	Southwestern Electric Power Co	Tontitown, AR	180 GWh	Jun 2007	Nov 2023	Natural Gas
Flint Creek	Southwestern Electric Power Co	Gentry, AR	3 TWh	Apr 1978	Mar 2025	Subbituminous Coal : 99.8%
Wilkes	Southwestern Electric Power Co	Avinger, TX	1 TWh	Apr 1964	Dec 2023	Natural Gas
Knox Lee	Southwestern Electric Power Co	Longview, TX	477 GWh	Nov 1950	Dec 2023	Natural Gas
J Lamar Stall Unit	Southwestern Electric Power Co	Shreveport, LA	3 TWh	May 2010	Mar 2025	Natural Gas
John W Turk Jr Power Plant	Southwestern Electric Power Co	Fulton, AR	3 TWh	Nov 2012	Mar 2025	Subbituminous Coal : 99.3% Natural Gas : 0.7%
Lieberman	Southwestern Electric Power Co	Mooringsport, LA	156 GWh	Jun 1947	Nov 2023	Natural Gas
Welsh	Southwestern Electric Power Co	Pittsburg, TX	4 TWh	Feb 1977	Mar 2025	Subbituminous Coal : 99.8%
Traverse Wind Project, LLC	Southwestern Electric Power Co	Weatherford, OK	3 TWh	Mar 2022	Mar 2025	Wind
Arsenal Hill	Southwestern Electric Power Co	Shreveport, LA	189 GWh	Feb 1960	Nov 2023	Natural Gas
Harrington	Southwestern Public Service Co	Amarillo, TX	2 TWh	Dec 1975	Mar 2025	Subbituminous Coal : 70.4% Natural Gas : 29.6%
Tolk	Southwestern Public Service Co	Muleshoe, TX	2 TWh	Dec 1981	Mar 2025	Subbituminous Coal : 84.0% Natural Gas : 16.0%
Hale Community Wind Farm	Southwestern Public Service Co	Plainview, TX	2 TWh	May 2019	Mar 2025	Wind
Plant X	Southwestern Public Service Co	Earth, TX	660 GWh	Dec 1951	Dec 2023	Natural Gas : 99.0% Distillate Fuel Oil : 1.0%
Nichols	Southwestern Public Service Co	Amarillo, TX	1 TWh	Dec 1959	Dec 2023	Natural Gas
Jones	Southwestern Public Service Co	Lubbock, TX	2 TWh	Dec 1970	Mar 2025	Natural Gas
Quay County	Southwestern Public Service Co	Tucumcari, NM	858 MWh	Sep 2013	Dec 2023	Distillate Fuel Oil
Sagamore Wind	Southwestern Public Service Co	Rogers, NM	2 TWh	Nov 2020	Mar 2025	Wind
Maddox	Southwestern Public Service Co	Hobbs, NM	617 GWh	Dec 1962	Mar 2025	Natural Gas
Cunningham	Southwestern Public Service Co	Hobbs, NM	2 TWh	Dec 1956	Mar 2025	Natural Gas
SPPW1, LLC	SPPW1, LLC	Upland, NE	24 GWh	Jun 2022	Dec 2023	Wind
Alexander Wind Farm LLC	SRIV Partnership LLC	Alexander, KS	188 GWh	Nov 2015	Dec 2023	Wind
Steele Flats Wind Project LLC	Steele Flats Wind Project LLC	Diller, NE	209 GWh	Sep 2013	Mar 2025	Wind
Stillwater Energy Center	Stillwater Utilities Authority	Stillwater, OK	88 GWh	Jun 2016	Dec 2023	Natural Gas
Springfield Solar 1 LLC	Strata Manager, LLC	Strafford, MO	8 GWh	May 2014	Mar 2025	Solar
SPS1 Dollarhide	SunE SPS1, LLC	Jal, NM	22 GWh	Aug 2011	Dec 2023	Solar
SPS2 Jal	SunE SPS2, LLC	Jal, NM	19 GWh	Aug 2011	Dec 2023	Solar
SPS3 Lea	SunE SPS3, LLC	Eunice, NM	23 GWh	Oct 2011	Dec 2023	Solar
SPS4 Monument	SunE SPS4, LLC	Monument, NM	22 GWh	Nov 2011	Dec 2023	Solar
SPS5 Hopi	SunE SPS5, LLC	Carlsbad, NM	20 GWh	Nov 2011	Dec 2023	Solar
Prairie Breeze	SunEdison LLC	Elgin, NE	766 GWh	Apr 2014	Dec 2023	Wind
Holcomb	Sunflower Electric Power Corp	Holcomb, KS	1 TWh	Jul 1983	Mar 2025	Subbituminous Coal : 99.1% Natural Gas : 0.9%
Clifton	Sunflower Electric Power Corp	Clifton, KS	11 GWh	Jul 1974	Nov 2023	Natural Gas
Fort Dodge	Sunflower Electric Power Corp	Dodge City, KS	98 GWh	May 1969	Mar 2025	Natural Gas
Rubart	Sunflower Electric Power Corp	Ulysses, KS	70 GWh	Aug 2014	Dec 2023	Natural Gas
Great Bend - Sunflower	Sunflower Electric Power Corp	Great Bend, KS	32 GWh	May 1963	Dec 2023	Natural Gas
Garden City	Sunflower Electric Power Corp	Garden City, KS	80 GWh	May 1968	Dec 2023	Natural Gas
Cimarron River	Sunflower Electric Power Corp	Liberal, KS	26 GWh	Sep 1963	Nov 2023	Natural Gas
Sunflower Energy Center, LLC	Sunflower Energy Center, LLC	Peabody, KS	804 GWh	Sep 2023	Mar 2025	Wind
Sweetland Wind Farm, LLC	Sweetland Wind Farm, LLC	St. Lawrence, SD	880 GWh	Sep 2023	Mar 2025	Wind
Taloga Wind LLC	Taloga Wind LLC	Putnam, OK	206 GWh	Jun 2011	Dec 2023	Wind
Waynoka Gas Processing Plant	Targa Pipeline Mid-Continent West OK LLC	Alva, OK	18 GWh	Jun 2006	Mar 2025	Natural Gas
South Sioux City Solar	Tesla Inc.	Dakota, NE	4 GWh	Nov 2016	Dec 2023	Solar
Tesoro Mandan Cogeneration Plant	Tesoro Refining and Marketing Co LLC	Mandan, ND	47 GWh	Sep 1954	Mar 2025	Other Gas : 61.4% Natural Gas : 38.6%
Thunder Ranch Wind Project	Thunder Ranch Wind Project, LLC	Marland, OK	965 GWh	Nov 2017	Mar 2025	Wind
City of Paris Solar	Today's Power, Inc.	Paris, AR	3 GWh	May 2020	Dec 2023	Solar
Westside Wastewater Treatment Plant Hybrid	Today's Power, Inc.	Fayetteville, AR	8 GWh	Jun 2019	Mar 2025	Solar
Noland Wastewater Treatment Plant Hybrid	Today's Power, Inc.	Fayetteville, AR	8 GWh	Jun 2019	Mar 2025	Solar
Americus	Today's Power, Inc.	Emporia, KS	2 GWh	Jul 2021	Dec 2023	Solar
Cheney Solar	Today's Power, Inc.	Cheney, KS	2 GWh	Mar 2021	Dec 2023	Solar
DeGraff Butler Electric	Today's Power, Inc.	Burns, KS	2 GWh	Apr 2021	Dec 2023	Solar
Laverne Diesel Generating Plant	Town of Laverne - (OK)	Laverne, OK	283 MWh	Dec 2005	Dec 2023	Distillate Fuel Oil
TPW Petersburg	TPW Petersburg LLC	Petersburg, NE	151 GWh	Oct 2011	Dec 2023	Wind
Trenton North	Trenton Municipal Utilities - (MO)	Trenton, MO	54 MWh	May 1974	Dec 2023	Distillate Fuel Oil
Trenton South	Trenton Municipal Utilities - (MO)	Trenton, MO	59 MWh	Jun 2000	Dec 2023	Distillate Fuel Oil
Tulsa LFG LLC	Tulsa LFG LLC	Sand Springs, OK	17 GWh	Apr 2011	Dec 2023	Landfill Gas
Atchison County Wind	Union Electric Co - (MO)	Westboro, MO	966 GWh	Feb 2021	Mar 2025	Wind
UA Central Utility Plant	University Of Arkansas	Fayetteville, AR	37 GWh	Jan 2016	Dec 2023	Natural Gas
Flat Iron Wind (7) LLC	UPC Power Solutions	Sunray, TX	2 GWh	Mar 2008	Dec 2023	Wind
Brisket Wind (8) LLC	UPC Power Solutions	Sunray, TX	4 GWh	Mar 2008	Dec 2023	Wind
Tri-Tip Wind (9) LLC	UPC Power Solutions	Sunray, TX	8 GWh	Mar 2008	Dec 2023	Wind
T-Bone Wind (10) LLC	UPC Power Solutions	Dumas, TX	4 GWh	Apr 2008	Dec 2023	Wind
Ribeye Wind (11) LLC	UPC Power Solutions	Dumas, TX	4 GWh	Apr 2008	Dec 2023	Wind
Tenderloin Wind (6) LLC	UPC Power Solutions	Texhoma, TX	3 GWh	Dec 2006	Dec 2023	Wind
Filet Wind (5) LLC	UPC Power Solutions	Stratford, TX	2 GWh	Oct 2006	Dec 2023	Wind
Porterhouse Wind (4) LLC	UPC Power Solutions	Gruver, TX	10 GWh	Dec 2007	Dec 2023	Wind
Garrison	USACE-Omaha	Riverside, ND	2 TWh	Dec 1955	Dec 2023	Water
Oahe	USACE-Omaha	Pierre, SD	2 TWh	Mar 1962	Dec 2023	Water
Fort Randall	USACE-Omaha	Pickstown, SD	1 TWh	Feb 1954	Dec 2023	Water
Big Bend Dam	USACE-Omaha	Chamberlain, SD	771 GWh	Aug 1964	Dec 2023	Water
Gavins Point	USACE-Omaha	Crofton, NE	715 GWh	Aug 1956	Dec 2023	Water
Narrows (AR)	USCE -Vickburg District	Murfreesboro, AR	47 GWh	Apr 1950	Dec 2023	Water
Keystone Dam	USCE-Tulsa District	Sand Springs, OK	93 GWh	Apr 1968	Dec 2023	Water
Broken Bow Dam	USCE-Tulsa District	Broken Bow, OK	171 GWh	Dec 1969	Dec 2023	Water
Valentine Wind, LLC	Valentine Wind, LLC	Valentine, NE	5 GWh	Aug 2014	Dec 2023	Wind
Grand Ave Plant	Veolia Energy Kansas City	Kansas City, MO	39 GWh	Jun 1991	Mar 2025	Natural Gas
Oxford (NE)	Village of Oxford - (NE)	Oxford, NE	27 MWh	Jul 1953	Dec 2023	Natural Gas : 91.0% Distillate Fuel Oil : 9.0%
Spalding	Village of Spalding - (NE)	Spalding, NE	5 MWh	Jun 1919	Dec 2023	Distillate Fuel Oil : 60.0% Water : 40.0%
Waverly Wind Farm LLC	Waverly Wind Farm LLC	Waverly, KS	712 GWh	Dec 2015	Dec 2023	Wind
Wessington Springs	Wessington Wind	Wessington Springs, SD	239 GWh	Jan 2009	Mar 2025	Wind
UL Advanced Wind Turbine Test Facility	West Texas A&M University	Canyon, TX	8 GWh	Dec 2015	Dec 2023	Wind
Cyril	Western Farmers Elec Coop, Inc	Cyril, OK	9 GWh	Apr 2017	Mar 2025	Solar
Anadarko Plant	Western Farmers Elec Coop, Inc	Anadarko, OK	1 TWh	Jul 1953	Mar 2025	Natural Gas
Mooreland	Western Farmers Elec Coop, Inc	Mooreland, OK	87 GWh	Feb 1964	Dec 2023	Natural Gas
Tuttle	Western Farmers Elec Coop, Inc	Tuttle, OK	5 GWh	Feb 2017	Mar 2025	Solar
Hugo	Western Farmers Elec Coop, Inc	Fort Towson, OK	2 TWh	Mar 1982	Mar 2025	Subbituminous Coal : 99.6%
Pine Ridge	Western Farmers Elec Coop, Inc	Apache, OK	4 GWh	Feb 2017	Mar 2025	Solar
Marietta	Western Farmers Elec Coop, Inc	Marietta, OK	4 GWh	Mar 2017	Mar 2025	Solar
WFEC GenCo LLC	Western Farmers Elec Coop, Inc	Anadarko, OK	115 GWh	Apr 2001	Dec 2023	Natural Gas
LCEC Generation LLVC	Western Farmers Elec Coop, Inc	Lovington, NM	44 GWh	Jan 2012	Dec 2023	Natural Gas
Hinton	Western Farmers Elec Coop, Inc	Hinton, OK	5 GWh	Mar 2017	Mar 2025	Solar
Exira	Western Minnesota Mun Pwr Agny	Brayton, IA	230 GWh	Mar 2004	Dec 2023	Natural Gas : 99.0% Distillate Fuel Oil : 1.0%
Western Plains Wind	Western Plains Wind, LLC	Oakley, KS	11 GWh	Sep 2021	Dec 2023	Wind
Western Sugar Coop - Scottsbluff	Western Sugar Cooperative	Scottsbluff, NE	16 GWh	Aug 1987	Mar 2025	Natural Gas
White Rock East Wind Project	White Rock Wind East, LLC	Anadarko, OK	528 GWh	-	Mar 2025	Wind
White Rock West Wind Project	White Rock Wind West, LLC	Anadarko, OK	367 GWh	Nov 2023	Mar 2025	Wind
WPWP	Wild Plains Wind Project, LLC	Wellington, KS	222 GWh	-	Mar 2025	Wind
Wildcat Ranch Wind Project	Wildcat Ranch Wind Project, LLC	Morton, TX	682 GWh	Nov 2018	Mar 2025	Wind
Wildcat Wind	Wildcat Wind, LLC	Lovington, NM	56 GWh	Jun 2012	Dec 2023	Wind

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#27	Associated Electric Cooperative, Inc.	22.8 TWh	47
#46	El Paso Electric Company	6.8 TWh	31
#3	Electric Reliability Council of Texas, Inc.	476.0 TWh	1,139
#2	Midcontinent Independent System Operator, Inc.	643.3 TWh	2,653
#20	Public Service Company of Colorado	48.7 TWh	201
#36	Public Service Company of New Mexico	15.0 TWh	108
#51	Southwestern Power Administration	4.2 TWh	31
#8	Tennessee Valley Authority	158.8 TWh	170
#23	Western Area Power Administration - Rocky Mountain Region	35.6 TWh	170
#63	Western Area Power Administration - Upper Great Plains West	476.9 GWh	24

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#2	Midcontinent Independent System Operator, Inc.	643.3 TWh	2,653
#3	Electric Reliability Council of Texas, Inc.	476.0 TWh	1,139
#5	Southwest Power Pool	297.0 TWh	762
#6	Southern Company Services, Inc. - Trans	251.8 TWh	393
#7	California Independent System Operator	190.1 TWh	1,943
#8	Tennessee Valley Authority	158.8 TWh	170
#10	Florida Power & Light Co.	148.3 TWh	159
#12	New York Independent System Operator	130.6 TWh	1,100
#13	Duke Energy Carolinas	111.4 TWh	556
#15	ISO New England	103.2 TWh	1,487