Electric Reliability Council of Texas, Inc.

Balancing Authority Summary Information

Electric Reliability Council of Texas, Inc. is ranked #3 out of 65 balancing authorities in terms of total annual electricity generation.

Balancing Authority	Electric Reliability Council of Texas, Inc.
States	Oklahoma Texas
Last Update	Oct 2025
Annual Generation	484.1 TWh
Power Plants	1,313
Utilities	694
Ranked #3 out of 65 in terms of net annual generation
Ranked #3 out of 53 in terms of annual generation from natural gas
Power Plant Types	Natural Gas \| 41.2% Wind \| 23.6% Solar \| 13.4% Coal \| 13.3% Nuclear \| 8.5% Water \| 0.1% Other Fuel \| 0.1%

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Daily Net Generation for Electric Reliability Council of Texas, Inc. for the past 3 Years

Plant Name	Utility	Location	Annual Generation	Plant Date	Last Update	Fuel Types
Union Carbide Seadrift Cogen	Union Carbide Corp-Seadrift	Seadrift, TX	639 GWh	Dec 1963	Dec 2024	Natural Gas : 92.1% Other Gas : 7.9%
Texas City Plant Union Carbide	Union Carbide Corp-Texas City	Texas City, TX	77 GWh	Jan 1996	Aug 2025	Purchased Steam
Hal C Weaver Power Plant	University of Texas at Austin	Austin, TX	361 GWh	Sep 1951	Dec 2024	Natural Gas
Castle Gap Solar Hybrid	Upton County Solar 2 LLC	McCarney, TX	393 GWh	Apr 2018	Aug 2025	Solar
Whitney	USACE-Fort Worth District	Clifton, TX	69 GWh	May 1953	Dec 2024	Water
Denison	USCE-Tulsa District	Denison, TX	192 GWh	Feb 1945	Dec 2024	Water
Valero Refinery Corpus Christi West	Valero Refining Co	Corpus Christi, TX	87 GWh	Aug 1983	Aug 2025	Petroleum Coke : 42.3% Other Gas : 39.8% Natural Gas : 17.8%
Hornet Solar (TX)	Vesper Energy Development LLC	Tulia, TX	779 GWh	-	Aug 2025	Solar
Victoria Port Power II LLC	Victoria Port Power II	Victoria, TX	185 GWh	Dec 2021	Dec 2024	Natural Gas
Victoria	Victoria WLE, LP	Victoria, TX	1 TWh	Feb 1963	Dec 2024	Natural Gas
Works 4	Vitro Architectural Glass	Wichita Falls, TX	75 MWh	May 1974	Dec 2024	Distillate Fuel Oil
Waco Solar	Waco Solar, LLC	Mt Calm, TX	930 GWh	Feb 2024	Aug 2025	Solar
WAL5287	Walmart Stores Texas, LLC	Spring, TX	226 MWh	Nov 2020	Dec 2024	Natural Gas
WAL2667	Walmart Stores Texas, LLC	Dallas, TX	182 MWh	Oct 2021	Dec 2024	Natural Gas
WAL940	Walmart Stores Texas, LLC	Westworth Village, TX	249 MWh	Sep 2020	Dec 2024	Natural Gas
WAL947	Walmart Stores Texas, LLC	Sherman, TX	199 MWh	Sep 2020	Dec 2024	Natural Gas
WAL972	Walmart Stores Texas, LLC	Fort Worth, TX	209 MWh	Oct 2020	Dec 2024	Natural Gas
WAL1040	Walmart Stores Texas, LLC	Houston, TX	324 MWh	Jul 2019	Dec 2024	Natural Gas
WAL1062	Walmart Stores Texas, LLC	Friendswood, TX	237 MWh	Feb 2021	Dec 2024	Natural Gas
WAL1103	Walmart Stores Texas, LLC	Houston, TX	326 MWh	Jun 2019	Dec 2024	Natural Gas
WAL1232	Walmart Stores Texas, LLC	Belton, TX	237 MWh	Aug 2020	Dec 2024	Natural Gas
WAL1272	Walmart Stores Texas, LLC	Snyder, TX	176 MWh	Mar 2021	Dec 2024	Natural Gas
WAL1455	Walmart Stores Texas, LLC	Fort Worth, TX	140 MWh	Aug 2021	Dec 2024	Natural Gas
WAL2257	Walmart Stores Texas, LLC	Houston, TX	442 MWh	Aug 2021	Dec 2024	Natural Gas
WAL2439	Walmart Stores Texas, LLC	Baytown, TX	159 MWh	Jun 2021	Dec 2024	Natural Gas
WAL897	Walmart Stores Texas, LLC	Fort Stockton, TX	103 MWh	Jan 2021	Dec 2024	Natural Gas
WAL2724	Walmart Stores Texas, LLC	Pasadena, TX	177 MWh	Jul 2020	Dec 2024	Natural Gas
WAL2883	Walmart Stores Texas, LLC	Plano, TX	247 MWh	Aug 2021	Dec 2024	Natural Gas
WAL2980	Walmart Stores Texas, LLC	Fort Worth, TX	195 MWh	Oct 2021	Dec 2024	Natural Gas
WAL2993	Walmart Stores Texas, LLC	Sugar Land, TX	255 MWh	Aug 2021	Dec 2024	Natural Gas
WAL3224	Walmart Stores Texas, LLC	Garland, TX	168 MWh	Jan 2022	Dec 2024	Natural Gas
WAL3226	Walmart Stores Texas, LLC	Katy, TX	312 MWh	Jun 2019	Dec 2024	Natural Gas
WAL3284	Walmart Stores Texas, LLC	Arlington, TX	182 MWh	May 2021	Dec 2024	Natural Gas
WAL407	Walmart Stores Texas, LLC	Killeen, TX	251 MWh	Oct 2021	Dec 2024	Natural Gas
WAL3285	Walmart Stores Texas, LLC	Cedar Hill, TX	255 MWh	Sep 2021	Dec 2024	Natural Gas
WAL3297	Walmart Stores Texas, LLC	Houston, TX	290 MWh	Sep 2020	Dec 2024	Natural Gas
WAL546	Walmart Stores Texas, LLC	Richmond, TX	178 MWh	Nov 2020	Dec 2024	Natural Gas
WAL414	Walmart Stores Texas, LLC	Wichita Falls, TX	153 MWh	Mar 2021	Dec 2024	Natural Gas
WAL447	Walmart Stores Texas, LLC	Del Rio, TX	255 MWh	Sep 2021	Dec 2024	Natural Gas
WAL452	Walmart Stores Texas, LLC	Mcallen, TX	277 MWh	Aug 2021	Dec 2024	Natural Gas
WAL456	Walmart Stores Texas, LLC	Brownsville, TX	272 MWh	Aug 2021	Dec 2024	Natural Gas
WAL461	Walmart Stores Texas, LLC	Eagle Pass, TX	241 MWh	Sep 2021	Dec 2024	Natural Gas
WAL462	Walmart Stores Texas, LLC	Alvin, TX	142 MWh	Oct 2019	Dec 2024	Natural Gas
WAL504	Walmart Stores Texas, LLC	Galveston, TX	247 MWh	May 2022	Dec 2024	Natural Gas
WAL522	Walmart Stores Texas, LLC	Crosby, TX	316 MWh	May 2020	Dec 2024	Natural Gas
WAL529	Walmart Stores Texas, LLC	La Marque, TX	163 MWh	Oct 2019	Dec 2024	Natural Gas
WAL536	Walmart Stores Texas, LLC	Abilene, TX	245 MWh	Sep 2021	Dec 2024	Natural Gas
WAL3298	Walmart Stores Texas, LLC	Kemah, TX	209 MWh	Jul 2020	Dec 2024	Natural Gas
WAL565	Walmart Stores Texas, LLC	Corsicana, TX	166 MWh	Feb 2022	Dec 2024	Natural Gas
WAL602	Walmart Stores Texas, LLC	Spring, TX	223 MWh	May 2020	Dec 2024	Natural Gas
WAL744	Walmart Stores Texas, LLC	Humble, TX	286 MWh	Oct 2020	Dec 2024	Natural Gas
WAL752	Walmart Stores Texas, LLC	Pasadena, TX	183 MWh	Jul 2020	Dec 2024	Natural Gas
WAL768	Walmart Stores Texas, LLC	Katy, TX	171 MWh	Oct 2019	Dec 2024	Natural Gas
WAL772	Walmart Stores Texas, LLC	Houston, TX	198 MWh	Aug 2021	Dec 2024	Natural Gas
WAL791	Walmart Stores Texas, LLC	Alice, TX	292 MWh	Jul 2021	Dec 2024	Natural Gas
WAL849	Walmart Stores Texas, LLC	Spring, TX	254 MWh	Jun 2020	Dec 2024	Natural Gas
WAL872	Walmart Stores Texas, LLC	Pearland, TX	214 MWh	Nov 2020	Dec 2024	Natural Gas
WAL896	Walmart Stores Texas, LLC	Grand Prairie, TX	240 MWh	Sep 2021	Dec 2024	Natural Gas
WAL5312	Walmart Stores Texas, LLC	Fort Worth, TX	200 MWh	Apr 2021	Dec 2024	Natural Gas
WAL4512	Walmart Stores Texas, LLC	Katy, TX	348 MWh	May 2020	Dec 2024	Natural Gas
WAL4526	Walmart Stores Texas, LLC	Houston, TX	323 MWh	Aug 2021	Dec 2024	Natural Gas
WAL4538	Walmart Stores Texas, LLC	Katy, TX	192 MWh	Jun 2019	Dec 2024	Natural Gas
WAL5045	Walmart Stores Texas, LLC	Tomball, TX	314 MWh	Jun 2020	Dec 2024	Natural Gas
WAL5080	Walmart Stores Texas, LLC	Hurst, TX	223 MWh	Feb 2022	Dec 2024	Natural Gas
WAL5091	Walmart Stores Texas, LLC	Cypress, TX	288 MWh	Jun 2020	Dec 2024	Natural Gas
WAL5116	Walmart Stores Texas, LLC	Deer Park, TX	263 MWh	Jul 2020	Dec 2024	Natural Gas
WAL5165	Walmart Stores Texas, LLC	Alamo, TX	275 MWh	Jun 2021	Dec 2024	Natural Gas
WAL5211	Walmart Stores Texas, LLC	McKinney, TX	99 MWh	Dec 2019	Dec 2024	Distillate Fuel Oil
WAL5311	Walmart Stores Texas, LLC	Mckinney, TX	85 MWh	Nov 2020	Dec 2024	Distillate Fuel Oil
WAL3302	Walmart Stores Texas, LLC	Houston, TX	259 MWh	Sep 2021	Dec 2024	Natural Gas
WAL202	Walmart Stores Texas, LLC	Frisco, TX	64 MWh	May 2020	Dec 2024	Distillate Fuel Oil
WAL5316	Walmart Stores Texas, LLC	Saginaw, TX	236 MWh	Sep 2020	Dec 2024	Natural Gas
WAL5388	Walmart Stores Texas, LLC	League City, TX	128 MWh	May 2020	Dec 2024	Natural Gas
WAL5480	Walmart Stores Texas, LLC	Round Rock, TX	259 MWh	Aug 2021	Dec 2024	Natural Gas
WAL5612	Walmart Stores Texas, LLC	Houston, TX	230 MWh	Sep 2021	Dec 2024	Natural Gas
WAL5713	Walmart Stores Texas, LLC	Laredo, TX	286 MWh	Jul 2021	Dec 2024	Natural Gas
WAL5764	Walmart Stores Texas, LLC	Fort Worth, TX	235 MWh	Mar 2021	Dec 2024	Natural Gas
WAL6929	Walmart Stores Texas, LLC	Temple, TX	271 MWh	Sep 2020	Dec 2024	Natural Gas
WAL194	Walmart Stores Texas, LLC	Baytown, TX	209 MWh	Mar 2021	Dec 2024	Natural Gas
WAL4298	Walmart Stores Texas, LLC	Humble, TX	303 MWh	Aug 2021	Dec 2024	Natural Gas
WAL3320	Walmart Stores Texas, LLC	Palmhurst, TX	291 MWh	Jul 2021	Dec 2024	Natural Gas
WAL3390	Walmart Stores Texas, LLC	The Woodlands, TX	282 MWh	May 2020	Dec 2024	Natural Gas
WAL3406	Walmart Stores Texas, LLC	Dallas, TX	175 MWh	Jan 2022	Dec 2024	Natural Gas
WAL284	Walmart Stores Texas, LLC	Mansfield, TX	217 MWh	Sep 2021	Dec 2024	Natural Gas
WAL3425	Walmart Stores Texas, LLC	Houston, TX	188 MWh	Aug 2021	Dec 2024	Natural Gas
WAL266	Walmart Stores Texas, LLC	Grapevine, TX	247 MWh	Oct 2021	Dec 2024	Natural Gas
WAL3432	Walmart Stores Texas, LLC	Desoto, TX	138 MWh	Aug 2021	Dec 2024	Natural Gas
WAL3500	Walmart Stores Texas, LLC	Houston, TX	276 MWh	Jul 2021	Dec 2024	Natural Gas
WAL3510	Walmart Stores Texas, LLC	Pearland, TX	218 MWh	Oct 2019	Dec 2024	Natural Gas
WAL3518	Walmart Stores Texas, LLC	Laredo, TX	280 MWh	Sep 2021	Dec 2024	Natural Gas
WAL3572	Walmart Stores Texas, LLC	Pearland, TX	163 MWh	Oct 2019	Dec 2024	Natural Gas
WAL3584	Walmart Stores Texas, LLC	Houston, TX	230 MWh	Aug 2021	Dec 2024	Natural Gas
WAL3631	Walmart Stores Texas, LLC	Crowley, TX	247 MWh	Aug 2020	Dec 2024	Natural Gas
WAL3773	Walmart Stores Texas, LLC	Fort Worth, TX	227 MWh	Aug 2020	Dec 2024	Natural Gas
WAL3777	Walmart Stores Texas, LLC	Frisco, TX	61 MWh	Dec 2019	Dec 2024	Distillate Fuel Oil
WAL3827	Walmart Stores Texas, LLC	Richmond, TX	224 MWh	Jun 2020	Dec 2024	Natural Gas
WAL3886	Walmart Stores Texas, LLC	Edinburg, TX	282 MWh	Jul 2021	Dec 2024	Natural Gas
WAL4509	Walmart Stores Texas, LLC	Tarrant, TX	225 MWh	Aug 2020	Dec 2024	Natural Gas
Taygete II Energy Project	West Texas Solar Project II LLC	Coyanosa, TX	454 GWh	Jun 2023	Aug 2025	Solar
Newgulf Cogen	Wharton County Generation LLC	NewGulf, TX	13 GWh	Mar 1984	Dec 2024	Natural Gas

Surrounding Balancing Authorities

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#27	Associated Electric Cooperative, Inc.	23.4 TWh	47
#46	El Paso Electric Company	6.9 TWh	32
#21	Public Service Company of Colorado	47.7 TWh	210
#36	Public Service Company of New Mexico	14.6 TWh	116
#6	Southern Company Services, Inc. - Trans	250.0 TWh	417
#5	Southwest Power Pool	298.8 TWh	835
#49	Southwestern Power Administration	5.3 TWh	34
#8	Tennessee Valley Authority	160.9 TWh	204
#38	Tucson Electric Power	13.3 TWh	53
#23	Western Area Power Administration - Rocky Mountain Region	35.3 TWh	192

Balancing Authorities with Similar Net Generation

Rank	Balancing Authority	Annual Net Generation	# Power Plants
#2	Midcontinent Independent System Operator, Inc.	653.3 TWh	2,831
#3	Electric Reliability Council of Texas, Inc.	484.1 TWh	1,313
#5	Southwest Power Pool	298.8 TWh	835
#6	Southern Company Services, Inc. - Trans	250.0 TWh	417
#7	California Independent System Operator	187.5 TWh	2,075
#8	Tennessee Valley Authority	160.9 TWh	204
#10	Florida Power & Light Co.	149.7 TWh	187
#12	New York Independent System Operator	131.5 TWh	1,211
#13	Duke Energy Carolinas	112.5 TWh	565
#14	ISO New England	104.5 TWh	1,577