Barrio Grid / Texas / Briscoe County / Tule Canyon Substation

Tule Canyon Substation, Briscoe County, Texas

Tule Canyon Substation is a 345 kV station in Briscoe 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. 12 queued projects name it as their point of interconnection.

345 kVhighest voltage

10lines

10generation projects at this POI

2battery projects at this POI

WESTERCOT load zone

Map of Tule Canyon Substation and nearby substations

Station facts

Owner	Oncor
Voltage	345 kV
Status	In Service
Station class	transmission (high confidence)
Likely serving utility nearby	Grabbe Alice
Jurisdiction	Outside city limits; nearest city Silverton (3.5 mi)
Coordinates	34.4323, -101.3596

Interconnection queue at Tule Canyon Substation

10 generation projects name this station as point of interconnection: 1 gas, 5 solar and 4 wind. 2 battery storage projects, 0 with a signed interconnection agreement.

From the ERCOT GIS report. Developers, MW and dates are on Pro.

Nearby substations

Substation	Voltage	Owner	Distance
Briscoe Wind	345 kV	Grabbe Alice	3.75 mi
Unnamed station	69 kV	Lighthouse Elect Coop	5.02 mi
Longhorn Wind	345 kV	Speer Judy	10.46 mi
Unnamed station	69 kV	Lighthouse Electric Coop	12.67 mi
Unnamed station	69 kV	Sanders Dane & Robin	13.77 mi
Unnamed station	69 kV	Lighthouse Elec Co Op Inc	17.19 mi
Unnamed station	138 kV	Lighthouse Elec Co Op Inc	21.05 mi

Wholesale prices nearby

The WEST load zone averaged $57.31/MWh day-ahead over the last 7 days. Nearest generator pricing nodes: BRISCOE_WIND $35.25, FRYE_SLR_ALL $35.44 and HRNT_SLR_RN $35.79.

See Tule Canyon 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.