O'Brien Substation, Fort Bend County, Texas
O'Brien Substation is a 345 kV station in Fort Bend County, Texas, owned by CenterPoint with 10 transmission lines connected. It is classed as a transmission station: load service would need a new transformer or a distribution sub fed from it.
Station facts
| Owner | CenterPoint |
| Voltage | 345 kV |
| Status | In Service |
| Station class | transmission (high confidence) |
| Likely serving utility nearby | CenterPoint |
| Jurisdiction | Inside an estimated city ETJ; nearest city Houston (1.7 mi) |
| Coordinates | 29.6731, -95.7173 |
Interconnection queue at O'Brien Substation
No generation projects in the ERCOT queue name this station as point of interconnection. No battery storage projects name it.
From the ERCOT GIS report. Developers, MW and dates are on Pro.
Nearby substations
| Substation | Voltage | Owner | Distance |
|---|---|---|---|
| Tap310625 | 138 kV | CenterPoint | 0.07 mi |
| O'Brien | 138 kV | CenterPoint | 0.18 mi |
| Mason Road | 138 kV | CenterPoint | 5.15 mi |
| Barker | 138 kV | CenterPoint | 5.19 mi |
| Unnamed station | 138 kV | Cinco Mud 10 | 5.25 mi |
| Clodine | 138 kV | CenterPoint | 5.81 mi |
| Flewellen | 138 kV | CenterPoint | 6.41 mi |
Wholesale prices nearby
The HOUSTON load zone averaged $44.60/MWh day-ahead over the last 7 days. Nearest generator pricing nodes: BVE_UNIT1 $38.17, STADIUM_RN $46.42 and RHESS2_ESS1 $44.71.
See O'Brien Substation on the map
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Sources: HIFLD and OpenStreetMap substations and lines, ERCOT GIS report (queue, 2026-09), ERCOT day-ahead prices, TxDOT and StratMap boundaries, Barrio Energy research. Updated 2026-11-09. Screening data only; the serving utility confirms capacity.