Ph Robinson Substation, Galveston County, Texas
Ph Robinson Substation is a 345 kV station in Galveston County, Texas, owned by CenterPoint with 16 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 | TNMP |
| Jurisdiction | Inside an estimated city ETJ; nearest city Texas City (0.3 mi) |
| Coordinates | 29.4875, -94.9824 |
Interconnection queue at Ph Robinson 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 |
|---|---|---|---|
| South Shore | 138 kV | TNMP | 4.08 mi |
| Tap305405 | 138 kV | CenterPoint | 4.36 mi |
| Kemah | 138 kV | CenterPoint | 4.38 mi |
| Isp Switching | 138 kV | TNMP | 4.41 mi |
| Dickinson | 138 kV | TNMP | 4.84 mi |
| Freeway Park | 138 kV | TNMP | 5.81 mi |
| League City Main | 138 kV | TNMP | 6.08 mi |
Wholesale prices nearby
The HOUSTON load zone averaged $44.60/MWh day-ahead over the last 7 days. Nearest generator pricing nodes: HDNLAKES_RN $58.30, TOPAZ_ALL $58.21 and BRP_DIKN_RN $58.19.
See Ph Robinson 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.