Cagnon Road Substation, Bexar County, Texas
Cagnon Road Substation is a 345 kV station in Bexar County, Texas, owned by CPS Energy with 13 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 | CPS Energy |
| Voltage | 345 kV |
| Status | In Service |
| Station class | transmission (high confidence) |
| Likely serving utility nearby | CPS Energy |
| Jurisdiction | Inside an estimated city ETJ; nearest city San Antonio (0.8 mi) |
| Coordinates | 29.4161, -98.7182 |
Interconnection queue at Cagnon Road 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 |
|---|---|---|---|
| Hunt Lane | 138 kV | CPS Energy | 3.08 mi |
| Marbach Road | 138 kV | CPS Energy | 3.38 mi |
| Texas Research | 138 kV | CPS Energy | 4.21 mi |
| Vlsi | 138 kV | CPS Energy | 4.62 mi |
| Anderson | 138 kV | CPS Energy | 4.66 mi |
| Westover Hills | 138 kV | CPS Energy | 4.7 mi |
| Amd | 138 kV | CPS Energy | 5.24 mi |
Wholesale prices nearby
The CPS load zone averaged $44.18/MWh day-ahead over the last 7 days. Nearest generator pricing nodes: BLACKJAK_RN $45.81, LNCRK_ALL $43.07 and BR_VHB6CT5_6 $44.36.
See Cagnon Road 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.