Midland County, Texas: power grid and siting data
Midland County is in ERCOT's WEST load zone. It has 31 mapped substations, owned mostly by Oncor, Sharyland and Colorado River Municipal Water District; the highest voltage is 345 kV. The ERCOT queue lists 4 generation projects (2 gas and 2 solar) and 3 battery storage projects here.
Substations in Midland County
3 at 345 kV, 1 at 230 kV, 24 at 138 kV, 3 at 69 kV and below. The 30 highest-voltage stations are listed; the map shows all 31.
| Substation | Voltage | Owner | Lines | |
|---|---|---|---|---|
| Midland East | 345 kV | Oncor | 5 | map |
| Midland East | 345 kV | Oncor | 3 | map |
| Midland West | 345 kV | Oncor | 2 | map |
| Gardendale | 230 kV | Sharyland | 4 | map |
| Midland County Northwest | 138 kV | Oncor | 8 | map |
| Spraberry | 138 kV | Oncor | 4 | map |
| Tap310786 | 138 kV | Pioneer Natural Resources Usa Inc | 4 | map |
| Tap305118 | 138 kV | Oncor | 3 | map |
| Tap305267 | 138 kV | Oncor | 3 | map |
| Midessa | 138 kV | Oncor | 3 | map |
| Tap308071 | 138 kV | Djk Inc | 3 | map |
| Adobe Meadows | 138 kV | Oncor | 2 | map |
| Greenwood | 138 kV | Sharyland | 2 | map |
| East Midland | 138 kV | Sharyland | 2 | map |
| Midland Downtown | 138 kV | Oncor | 2 | map |
| Windwood | 138 kV | Oncor | 2 | map |
| South Midland | 138 kV | Sharyland | 2 | map |
| Colorado River Municipal Water District #8 | 138 kV | Colorado River Municipal Water District | 1 | map |
| Pegasus | 138 kV | Oncor | 1 | map |
| Colorado River Municipal Water District #8 | 138 kV | Colorado River Municipal Water District | 1 | map |
| Peck | 138 kV | Oncor | 1 | map |
| Unnamed station | 138 kV | Oncor | 1 | map |
| Midland Airport | 138 kV | Oncor | 1 | map |
| Pegasus South | 138 kV | Oncor | 1 | map |
| Goddard | 138 kV | Oncor | 0 | map |
| Driver | 138 kV | Sharyland | 0 | map |
| Midland Gulf | 138 kV | Oncor | 0 | map |
| Mockingbird | 138 kV | Oncor | 0 | map |
| Spraberry | 69 kV | Oncor | 3 | map |
| Salt Flat Road | 69 kV | Sharyland | 2 | map |
ERCOT interconnection queue
4 generation projects are queued in Midland County: 2 gas and 2 solar. By stage: 1 with a signed interconnection agreement and 3 in full interconnection study. 3 battery storage projects are queued, 1 with a signed interconnection agreement.
From the ERCOT GIS report. Project names, developers, MW and dates are on Pro.
Planned transmission
10 planned grid projects touch Midland County: 2 new substations and 8 new or rebuilt lines, 9 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: KARAKAW1_1 $44.61, PIONR_DJ_RN $61.22 and GRDNE_ESR_RN $61.49.
ERCOT day-ahead settlement point prices. Hourly history, battery spreads and real-time prices are on the map.
Data centers and large loads
2 announced data center campuses in Midland County, 2 at or above ERCOT's 75 MW large load threshold.
- Collaboration secures acreage to host data center in Midland County Midland Reporter-Telegram 2025-09-15
Jurisdiction
Nearest city to the county center: Midland (7.1 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 Midland 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.