| State Rank | County | Net Generation (Past Year) | Power Plants |
| #1 | Harris County, TX | 39.6 TWh | 96 |
| #2 | Matagorda County, TX | 22.2 TWh | 10 |
| #3 | Fort Bend County, TX | 21.6 TWh | 29 |
| #4 | Somervell County, TX | 18.9 TWh | 2 |
| #5 | Bexar County, TX | 14.0 TWh | 35 |
| #6 | Robertson County, TX | 13.2 TWh | 7 |
| #7 | Ector County, TX | 12.5 TWh | 20 |
| #8 | Rusk County, TX | 12.4 TWh | 3 |
| #9 | Brazoria County, TX | 12.2 TWh | 49 |
| #10 | Wharton County, TX | 10.9 TWh | 18 |
| #11 | Guadalupe County, TX | 10.7 TWh | 10 |
| #12 | Limestone County, TX | 10.1 TWh | 9 |
| #13 | Kaufman County, TX | 9.8 TWh | 4 |
| #14 | Lamar County, TX | 9.7 TWh | 14 |
| #15 | Wise County, TX | 9.6 TWh | 6 |
| #16 | Hood County, TX | 8.9 TWh | 3 |
| #17 | Fayette County, TX | 8.8 TWh | 3 |
| #18 | Jefferson County, TX | 8.7 TWh | 13 |
| #19 | Ellis County, TX | 8.5 TWh | 9 |
| #20 | Montgomery County, TX | 8.5 TWh | 10 |
| #21 | Hidalgo County, TX | 8.2 TWh | 31 |
| #22 | Bell County, TX | 8.1 TWh | 20 |
| #23 | Chambers County, TX | 7.9 TWh | 9 |
| #24 | Nueces County, TX | 7.5 TWh | 22 |
| #25 | Orange County, TX | 6.9 TWh | 7 |
| #26 | Galveston County, TX | 6.8 TWh | 25 |
| #27 | Calhoun County, TX | 6.8 TWh | 11 |
| #28 | Freestone County, TX | 6.6 TWh | 7 |
| #29 | Bastrop County, TX | 6.5 TWh | 5 |
| #30 | San Patricio County, TX | 6.4 TWh | 10 |
| #31 | Scurry County, TX | 6.3 TWh | 14 |
| #32 | Nolan County, TX | 6.3 TWh | 21 |
| #33 | Pecos County, TX | 6.2 TWh | 35 |
| #34 | Harrison County, TX | 5.5 TWh | 6 |
| #35 | El Paso County, TX | 5.5 TWh | 15 |
| #36 | Newton County, TX | 5.3 TWh | 2 |
| #37 | Hays County, TX | 5.2 TWh | 2 |
| #38 | Bosque County, TX | 4.8 TWh | 10 |
| #39 | Yoakum County, TX | 4.4 TWh | 4 |
| #40 | Sterling County, TX | 4.4 TWh | 7 |
| #41 | Haskell County, TX | 4.2 TWh | 16 |
| #42 | Upton County, TX | 4.2 TWh | 10 |
| #43 | Hansford County, TX | 4.2 TWh | 10 |
| #44 | Titus County, TX | 4.1 TWh | 2 |
| #45 | Carson County, TX | 4.0 TWh | 12 |
| #46 | Potter County, TX | 4.0 TWh | 3 |
| #47 | Willacy County, TX | 3.9 TWh | 7 |
| #48 | Webb County, TX | 3.9 TWh | 17 |
| #49 | Crockett County, TX | 3.9 TWh | 5 |
| #50 | Grimes County, TX | 3.7 TWh | 5 |
| #51 | Llano County, TX | 3.7 TWh | 2 |
| #52 | Goliad County, TX | 3.7 TWh | 6 |
| #53 | Wilbarger County, TX | 3.5 TWh | 11 |
| #54 | McLennan County, TX | 3.5 TWh | 13 |
| #55 | Hale County, TX | 3.4 TWh | 4 |
| #56 | Grayson County, TX | 3.4 TWh | 9 |
| #57 | Young County, TX | 3.3 TWh | 4 |
| #58 | Borden County, TX | 3.3 TWh | 9 |
| #59 | Lamb County, TX | 3.3 TWh | 2 |
| #60 | Andrews County, TX | 3.2 TWh | 10 |
| #61 | Taylor County, TX | 3.0 TWh | 7 |
| #62 | Travis County, TX | 2.8 TWh | 22 |
| #63 | Mills County, TX | 2.8 TWh | 5 |
| #64 | Lubbock County, TX | 2.8 TWh | 8 |
| #65 | Knox County, TX | 2.8 TWh | 4 |
| #66 | Concho County, TX | 2.7 TWh | 5 |
| #67 | Cameron County, TX | 2.7 TWh | 24 |
| #68 | Starr County, TX | 2.6 TWh | 12 |
| #69 | Oldham County, TX | 2.5 TWh | 5 |
| #70 | Victoria County, TX | 2.5 TWh | 12 |
| #71 | Floyd County, TX | 2.4 TWh | 5 |
| #72 | Lynn County, TX | 2.3 TWh | 5 |
| #73 | Navarro County, TX | 2.3 TWh | 15 |
| #74 | Glasscock County, TX | 2.3 TWh | 10 |
| #75 | Swisher County, TX | 2.2 TWh | 4 |
| #76 | Kenedy County, TX | 2.2 TWh | 7 |
| #77 | Dallas County, TX | 2.2 TWh | 25 |
| #78 | Deaf Smith County, TX | 2.1 TWh | 6 |
| #79 | Falls County, TX | 1.9 TWh | 5 |
| #80 | Bee County, TX | 1.8 TWh | 6 |
| #81 | Throckmorton County, TX | 1.8 TWh | 2 |
| #82 | Callahan County, TX | 1.7 TWh | 4 |
| #83 | Milam County, TX | 1.7 TWh | 14 |
| #84 | Coke County, TX | 1.7 TWh | 6 |
| #85 | Tom Green County, TX | 1.7 TWh | 11 |
| #86 | Howard County, TX | 1.7 TWh | 13 |
| #87 | Foard County, TX | 1.6 TWh | 2 |
| #88 | Fisher County, TX | 1.5 TWh | 4 |
| #89 | Hutchinson County, TX | 1.4 TWh | 6 |
| #90 | Eastland County, TX | 1.4 TWh | 6 |
| #91 | Denton County, TX | 1.4 TWh | 14 |
| #92 | Atascosa County, TX | 1.4 TWh | 4 |
| #93 | Hill County, TX | 1.3 TWh | 17 |
| #94 | Hopkins County, TX | 1.3 TWh | 7 |
| #95 | Cooke County, TX | 1.3 TWh | 6 |
| #96 | Kent County, TX | 1.3 TWh | 6 |
| #97 | Johnson County, TX | 1.3 TWh | 1 |
| #98 | Crosby County, TX | 1.3 TWh | 6 |
| #99 | Irion County, TX | 1.2 TWh | 1 |
| #100 | Castro County, TX | 1.2 TWh | 4 |
Net Generation data is based on the last 12 months since Sep 2025