| State Rank | County | Net Generation (Past Year) | Power Plants |
| #60 | Andrews County, TX | 3.2 TWh | 10 |
| #123 | Archer County, TX | 668.6 GWh | 3 |
| #119 | Armstrong County, TX | 749.8 GWh | 1 |
| #91 | Atascosa County, TX | 1.4 TWh | 4 |
| #176 | Austin County, TX | 15.1 GWh | 6 |
| #133 | Bailey County, TX | 560.8 GWh | 2 |
| #27 | Bastrop County, TX | 6.6 TWh | 5 |
| #108 | Baylor County, TX | 1.0 TWh | 3 |
| #80 | Bee County, TX | 1.8 TWh | 6 |
| #21 | Bell County, TX | 8.0 TWh | 20 |
| #5 | Bexar County, TX | 14.4 TWh | 35 |
| #58 | Borden County, TX | 3.3 TWh | 9 |
| #38 | Bosque County, TX | 4.8 TWh | 10 |
| #9 | Brazoria County, TX | 12.3 TWh | 49 |
| #153 | Brazos County, TX | 264.5 GWh | 4 |
| #166 | Brewster County, TX | 102.4 GWh | 2 |
| #105 | Briscoe County, TX | 1.2 TWh | 2 |
| #178 | Brooks County, TX | 12.4 GWh | 2 |
| #126 | Brown County, TX | 634.8 GWh | 2 |
| #168 | Burnet County, TX | 46.4 GWh | 4 |
| #25 | Calhoun County, TX | 6.9 TWh | 11 |
| #82 | Callahan County, TX | 1.8 TWh | 4 |
| #67 | Cameron County, TX | 2.7 TWh | 24 |
| #46 | Carson County, TX | 4.0 TWh | 12 |
| #150 | Cass County, TX | 336.7 GWh | 1 |
| #98 | Castro County, TX | 1.3 TWh | 4 |
| #22 | Chambers County, TX | 8.0 TWh | 9 |
| #111 | Cherokee County, TX | 921.7 GWh | 2 |
| #141 | Childress County, TX | 411.4 GWh | 3 |
| #139 | Clay County, TX | 448.1 GWh | 4 |
| #125 | Cochran County, TX | 648.8 GWh | 2 |
| #85 | Coke County, TX | 1.7 TWh | 6 |
| #169 | Collin County, TX | 32.5 GWh | 16 |
| #167 | Colorado County, TX | 79.7 GWh | 2 |
| #130 | Comanche County, TX | 585.6 GWh | 2 |
| #64 | Concho County, TX | 2.8 TWh | 5 |
| #97 | Cooke County, TX | 1.3 TWh | 6 |
| #142 | Crane County, TX | 383.1 GWh | 4 |
| #49 | Crockett County, TX | 3.9 TWh | 5 |
| #99 | Crosby County, TX | 1.3 TWh | 6 |
| #110 | Culberson County, TX | 990.2 GWh | 6 |
| #77 | Dallas County, TX | 2.2 TWh | 25 |
| #114 | Dawson County, TX | 816.5 GWh | 4 |
| #78 | Deaf Smith County, TX | 2.1 TWh | 6 |
| #145 | Delta County, TX | 378.9 GWh | 2 |
| #93 | Denton County, TX | 1.4 TWh | 14 |
| #148 | Dickens County, TX | 342.3 GWh | 4 |
| #144 | Dimmit County, TX | 379.6 GWh | 3 |
| #122 | Donley County, TX | 679.6 GWh | 1 |
| #90 | Eastland County, TX | 1.4 TWh | 6 |
| #8 | Ector County, TX | 12.4 TWh | 20 |
| #35 | El Paso County, TX | 5.4 TWh | 15 |
| #18 | Ellis County, TX | 8.7 TWh | 9 |
| #132 | Erath County, TX | 577.4 GWh | 4 |
| #79 | Falls County, TX | 2.0 TWh | 5 |
| #143 | Fannin County, TX | 382.1 GWh | 6 |
| #16 | Fayette County, TX | 8.9 TWh | 3 |
| #88 | Fisher County, TX | 1.5 TWh | 4 |
| #71 | Floyd County, TX | 2.4 TWh | 5 |
| #87 | Foard County, TX | 1.6 TWh | 2 |
| #3 | Fort Bend County, TX | 21.6 TWh | 29 |
| #147 | Franklin County, TX | 360.5 GWh | 4 |
| #29 | Freestone County, TX | 6.4 TWh | 7 |
| #107 | Frio County, TX | 1.1 TWh | 5 |
| #26 | Galveston County, TX | 6.8 TWh | 25 |
| #75 | Glasscock County, TX | 2.3 TWh | 10 |
| #50 | Goliad County, TX | 3.9 TWh | 6 |
| #59 | Grayson County, TX | 3.3 TWh | 9 |
| #152 | Gregg County, TX | 321.3 GWh | 1 |
| #47 | Grimes County, TX | 4.0 TWh | 5 |
| #11 | Guadalupe County, TX | 10.3 TWh | 10 |
| #56 | Hale County, TX | 3.4 TWh | 4 |
| #164 | Hamilton County, TX | 133.3 GWh | 1 |
| #42 | Hansford County, TX | 4.2 TWh | 10 |
| #120 | Hardeman County, TX | 738.2 GWh | 6 |
| #159 | Hardin County, TX | 194.6 GWh | 3 |
| #1 | Harris County, TX | 39.5 TWh | 96 |
| #34 | Harrison County, TX | 5.5 TWh | 6 |
| #43 | Haskell County, TX | 4.2 TWh | 16 |
| #36 | Hays County, TX | 5.2 TWh | 2 |
| #146 | Henderson County, TX | 376.2 GWh | 8 |
| #20 | Hidalgo County, TX | 8.1 TWh | 31 |
| #94 | Hill County, TX | 1.3 TWh | 17 |
| #17 | Hood County, TX | 8.7 TWh | 3 |
| #92 | Hopkins County, TX | 1.4 TWh | 7 |
| #86 | Howard County, TX | 1.7 TWh | 13 |
| #161 | Hunt County, TX | 155.0 GWh | 8 |
| #89 | Hutchinson County, TX | 1.5 TWh | 6 |
| #100 | Irion County, TX | 1.2 TWh | 1 |
| #109 | Jack County, TX | 1.0 TWh | 4 |
| #149 | Jackson County, TX | 340.6 GWh | 7 |
| #127 | Jasper County, TX | 613.3 GWh | 3 |
| #19 | Jefferson County, TX | 8.7 TWh | 13 |
| #154 | Jim Hogg County, TX | 257.7 GWh | 2 |
| #163 | Jim Wells County, TX | 138.4 GWh | 2 |
| #95 | Johnson County, TX | 1.3 TWh | 1 |
| #137 | Jones County, TX | 476.2 GWh | 8 |
| #172 | Karnes County, TX | 20.4 GWh | 1 |
| #14 | Kaufman County, TX | 9.8 TWh | 4 |
| #76 | Kenedy County, TX | 2.2 TWh | 7 |
Net Generation data is based on the last 12 months since Oct 2025