Oldham County, Texas: power grid and siting data
Oldham County is in ERCOT's WEST load zone. It has 8 mapped substations, owned mostly by Fulton Robert J Estate, Southwestern Pub Serv Co and Harwell Cattle Inc; the highest voltage is 345 kV. The ERCOT queue lists 0 generation projects and 0 battery storage projects here.
Substations in Oldham County
3 at 345 kV, 2 at 115 kV, 3 at 69 kV and below.
| Substation | Voltage | Owner | Lines | |
|---|---|---|---|---|
| Spinning Spur III | 345 kV | Harwell Cattle Inc | 3 | map |
| Spinning Spur II | 345 kV | Kirkland Perry | 3 | map |
| Spinninng Spur I | 345 kV | Montgomery Nina Trust A | 2 | map |
| Unnamed station | 115 kV | Baca Jeffrey Tye | 3 | map |
| Unnamed station | 115 kV | Fulton Robert J Estate | 2 | map |
| Tap302666 | 69 kV | Fulton Robert J Estate | 3 | map |
| Wilderado | 69 kV | Southwestern Pub Serv Co | 1 | map |
| Unnamed station | 69 kV | Southwestern Pub Serv Co | 1 | map |
ERCOT interconnection queue
No generation projects are queued in Oldham County. No battery storage projects are queued.
From the ERCOT GIS report. Project names, developers, MW and dates are on Pro.
Planned transmission
1 planned grid project touches Oldham County: 1 new or rebuilt line, 1 at 345 kV or above.
Wholesale power prices
The WEST load zone averaged $57.31/MWh day-ahead over the last 7 days. Nearest generator pricing nodes: SSPURT_WIND1 $35.63, ASTRA_RN $35.78 and AE_RN $40.23.
ERCOT day-ahead settlement point prices. Hourly history, battery spreads and real-time prices are on the map.
Data centers and large loads
1 announced data center campus in Oldham County, 1 at or above ERCOT's 75 MW large load threshold.
- Hut 8 Energizes Vega Data Center Hut 8 2025-06-30
Jurisdiction
Nearest city to the county center: Adrian (9 mi). Outside city limits and ETJ, development falls under county rules and state law. City limits and estimated ETJ are on the map.
Nearby counties
See Oldham County on the map
Every substation, line, queue project, pipeline and price node in Texas, plus Dub, an AI landman who answers questions about any spot. Free account, no card.
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.