| Site | Name | County | Lat | Lon | Range | Updated |
|---|---|---|---|---|---|---|
| 001 (1) | Chocolate Bayou Substation | Harris | 29.62797 | -95.35297 | 15 | 2025-01-26 |
| 002 (2) | Bellaire Substation | Harris | 29.72333 | -95.45306 | 15 | 2025-01-26 |
| 003 (3) | Energy Control and Data Center | Harris | 29.945 | -95.53722 | 15 | 2025-01-26 |
| 004 (4) | Waller Substation | Waller | 30.05661 | -95.9269 | 25 | 2016-09-28 |
| 005 (5) | CenterPoint Energy Plaza | Harris | 29.75717 | -95.368 | 2 | 2025-01-26 |
| 006 (6) | South Houston Service Center | Harris | 29.64008 | -95.20889 | 15 | 2025-03-18 |
| 007 (7) | H.O. Clarke Service Center | Harris | 29.64967 | -95.45189 | 15 | 2025-01-26 |
| 008 (8) | Scenic Woods Substation | Harris | 29.88364 | -95.28589 | 15 | 2025-01-26 |
| 009 (9) | W.A. Parish Generating Station | Fort Bend | 29.48653 | -95.62903 | 15 | 2025-01-26 |
| 010 (A) | Galveston Service Center | Galveston | 29.30414 | -94.79797 | 20 | 2025-01-26 |
| 011 (B) | Brittmoore Substation | Harris | 29.79467 | -95.57186 | 15 | 2025-02-07 |
| 012 (C) | Conroe | Montgomery | 30.30203 | -95.47939 | 15 | 2025-03-02 |
| 013 (D) | Angleton Substation | Brazoria | 29.22611 | -95.42778 | 15 | 2025-03-29 |