Graham Substation Substation, Young County, Texas
Graham Substation Substation is a 345 kV station in Young County, Texas, owned by Oncor 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 | Oncor |
| Voltage | 345 kV |
| Status | In Service |
| Station class | transmission (moderate confidence) |
| Likely serving utility nearby | Oncor |
| Jurisdiction | Outside city limits; nearest city Graham (1.6 mi) |
| Coordinates | 33.1384, -98.6094 |
Interconnection queue at Graham Substation 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 |
|---|---|---|---|
| Unnamed station | 69 kV | Luminant Generation Company Llc | 0.29 mi |
| Unnamed station | 138 kV | Luminant Generation Company Llc | 1.08 mi |
| Tap302727 | 138 kV | Luminant Generation Company Llc | 1.09 mi |
| Unnamed station | 138 kV | Oncor | 1.69 mi |
| Unnamed station | 138 kV | Oncor | 2.93 mi |
| Unnamed station | 138 kV | Oncor | 3.15 mi |
| Unnamed station | 138 kV | Stephens Bruce | 7.37 mi |
Wholesale prices nearby
The NORTH load zone averaged $39.98/MWh day-ahead over the last 7 days. Nearest generator pricing nodes: SENATEWD_1 $39.03, BCATWD_WD_1 $37.86 and WNDTS2_UNIT1 $37.49.
See Graham Substation 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.