Sotex5 Substation, Matagorda County, Texas
Sotex5 Substation is a 345 kV station in Matagorda County, Texas, owned by CenterPoint with 15 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 | AEP Texas |
| Jurisdiction | Outside city limits; nearest city Palacios (10.5 mi) |
| Coordinates | 28.7995, -96.0506 |
Interconnection queue at Sotex5 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 |
|---|---|---|---|
| Zoisite | 345 kV | AEP Texas | 1.52 mi |
| South Texas Project Pump | 138 kV | South Texas Project Nuclear Operating Company | 3.59 mi |
| Houdini | 345 kV | AEP Texas | 3.95 mi |
| Esperanza | 138 kV | AEP Texas | 4.74 mi |
| Celanese Bay City | 138 kV | Oq Corporation | 5.17 mi |
| Tap307924 | 138 kV | AEP Texas | 6.29 mi |
| Unnamed station | 138 kV | Equistar Chemicals Lp | 6.56 mi |
Wholesale prices nearby
The SOUTH load zone averaged $48.57/MWh day-ahead over the last 7 days. Nearest generator pricing nodes: PALACIOS_RN $64.80, BAYC_BESS_RN $60.15 and PAVLOV_BT_RN $71.56.
See Sotex5 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.