| State Rank | County | Net Generation (Past Year) | Power Plants |
| #97 | Cooke County, TX | 1.3 TWh | 6 |
| #99 | Crosby County, TX | 1.3 TWh | 6 |
| #110 | Culberson County, TX | 990.2 GWh | 6 |
| #78 | Deaf Smith County, TX | 2.1 TWh | 6 |
| #90 | Eastland County, TX | 1.4 TWh | 6 |
| #143 | Fannin County, TX | 382.1 GWh | 6 |
| #50 | Goliad County, TX | 3.9 TWh | 6 |
| #120 | Hardeman County, TX | 738.2 GWh | 6 |
| #34 | Harrison County, TX | 5.5 TWh | 6 |
| #89 | Hutchinson County, TX | 1.5 TWh | 6 |
| #96 | Kent County, TX | 1.3 TWh | 6 |
| #117 | Kinney County, TX | 759.0 GWh | 6 |
| #151 | Mitchell County, TX | 331.3 GWh | 6 |
| #15 | Wise County, TX | 9.7 TWh | 6 |
| #103 | Zapata County, TX | 1.2 TWh | 6 |
| #29 | Freestone County, TX | 6.4 TWh | 7 |
| #92 | Hopkins County, TX | 1.4 TWh | 7 |
| #149 | Jackson County, TX | 340.6 GWh | 7 |
| #76 | Kenedy County, TX | 2.2 TWh | 7 |
| #160 | Moore County, TX | 158.0 GWh | 7 |
| #30 | Orange County, TX | 6.3 TWh | 7 |
| #6 | Robertson County, TX | 13.3 TWh | 7 |
| #39 | Sterling County, TX | 4.4 TWh | 7 |
| #61 | Taylor County, TX | 3.0 TWh | 7 |
| #48 | Willacy County, TX | 4.0 TWh | 7 |
| #146 | Henderson County, TX | 376.2 GWh | 8 |
| #161 | Hunt County, TX | 155.0 GWh | 8 |
| #137 | Jones County, TX | 476.2 GWh | 8 |
| #65 | Lubbock County, TX | 2.7 TWh | 8 |
| #128 | Uvalde County, TX | 612.0 GWh | 8 |
| #136 | Val Verde County, TX | 537.4 GWh | 8 |
| #58 | Borden County, TX | 3.3 TWh | 9 |
| #22 | Chambers County, TX | 8.0 TWh | 9 |
| #18 | Ellis County, TX | 8.7 TWh | 9 |
| #59 | Grayson County, TX | 3.3 TWh | 9 |
| #12 | Limestone County, TX | 10.1 TWh | 9 |
| #60 | Andrews County, TX | 3.2 TWh | 10 |
| #38 | Bosque County, TX | 4.8 TWh | 10 |
| #75 | Glasscock County, TX | 2.3 TWh | 10 |
| #11 | Guadalupe County, TX | 10.3 TWh | 10 |
| #42 | Hansford County, TX | 4.2 TWh | 10 |
| #2 | Matagorda County, TX | 22.3 TWh | 10 |
| #23 | Montgomery County, TX | 8.0 TWh | 10 |
| #28 | San Patricio County, TX | 6.5 TWh | 10 |
| #40 | Upton County, TX | 4.3 TWh | 10 |
| #177 | Wilson County, TX | 14.4 GWh | 10 |
| #25 | Calhoun County, TX | 6.9 TWh | 11 |
| #84 | Tom Green County, TX | 1.7 TWh | 11 |
| #54 | Wilbarger County, TX | 3.5 TWh | 11 |
| #46 | Carson County, TX | 4.0 TWh | 12 |
| #68 | Starr County, TX | 2.6 TWh | 12 |
| #70 | Victoria County, TX | 2.5 TWh | 12 |
| #86 | Howard County, TX | 1.7 TWh | 13 |
| #19 | Jefferson County, TX | 8.7 TWh | 13 |
| #53 | McLennan County, TX | 3.5 TWh | 13 |
| #158 | Reeves County, TX | 197.0 GWh | 13 |
| #93 | Denton County, TX | 1.4 TWh | 14 |
| #13 | Lamar County, TX | 9.9 TWh | 14 |
| #83 | Milam County, TX | 1.7 TWh | 14 |
| #32 | Scurry County, TX | 6.2 TWh | 14 |
| #35 | El Paso County, TX | 5.4 TWh | 15 |
| #74 | Navarro County, TX | 2.3 TWh | 15 |
| #169 | Collin County, TX | 32.5 GWh | 16 |
| #43 | Haskell County, TX | 4.2 TWh | 16 |
| #94 | Hill County, TX | 1.3 TWh | 17 |
| #45 | Webb County, TX | 4.0 TWh | 17 |
| #10 | Wharton County, TX | 10.8 TWh | 18 |
| #21 | Bell County, TX | 8.0 TWh | 20 |
| #8 | Ector County, TX | 12.4 TWh | 20 |
| #31 | Nolan County, TX | 6.2 TWh | 21 |
| #24 | Nueces County, TX | 7.6 TWh | 22 |
| #63 | Travis County, TX | 2.8 TWh | 22 |
| #67 | Cameron County, TX | 2.7 TWh | 24 |
| #77 | Dallas County, TX | 2.2 TWh | 25 |
| #26 | Galveston County, TX | 6.8 TWh | 25 |
| #3 | Fort Bend County, TX | 21.6 TWh | 29 |
| #113 | Tarrant County, TX | 900.9 GWh | 30 |
| #20 | Hidalgo County, TX | 8.1 TWh | 31 |
| #5 | Bexar County, TX | 14.4 TWh | 35 |
| #33 | Pecos County, TX | 6.2 TWh | 35 |
| #9 | Brazoria County, TX | 12.3 TWh | 49 |
| #1 | Harris County, TX | 39.5 TWh | 96 |
Net Generation data is based on the last 12 months since Oct 2025