Sterling County, Texas: power grid and siting data
Sterling County is in ERCOT's WEST load zone. It has 18 mapped substations, owned mostly by AEP Texas, Nextera Energy and Johnston Jajean Jaquess; the highest voltage is 345 kV. The ERCOT queue lists 5 generation projects (3 wind and 2 solar) and 2 battery storage projects here.
Substations in Sterling County
1 at 345 kV, 7 at 138 kV, 10 at 69 kV and below.
| Substation | Voltage | Owner | Lines | |
|---|---|---|---|---|
| Amoco | 345 kV | Johnston Jajean Jaquess | 1 | map |
| Unnamed station | 138 kV | Nextera Energy | 4 | map |
| Gasconades Creek | 138 kV | LCRA | 3 | map |
| Unnamed station | 138 kV | Nextera Energy | 1 | map |
| Goat Wind | 138 kV | Terry Family Limited Partnership | 1 | map |
| Unnamed station | 138 kV | Nextera Energy | 1 | map |
| Unnamed station | 138 kV | Nextera Energy | 1 | map |
| Panther Creek Wind 3 | 138 kV | E On | 0 | map |
| Rollans | 69 kV | Golden Spread Electric Cooperative | 0 | map |
| Spade Ranch | 69 kV | AEP Texas | 0 | map |
| Colorado River Municipal Water #4 | 69 kV | AEP Texas | map | |
| Colorado River Municipal Water #5 | 69 kV | AEP Texas | map | |
| Goloid | 69 kV | AEP Texas | map | |
| Magnox | 69 kV | AEP Texas | map | |
| Spade Ranch Tap | 69 kV | AEP Texas | map | |
| Sterling City | 69 kV | AEP Texas | map | |
| Sterling Co. Cvec | 69 kV | AEP Texas | map | |
| Crmwd Spade Ranch | 69 kV | AEP Texas | map |
ERCOT interconnection queue
5 generation projects are queued in Sterling County: 3 wind and 2 solar. By stage: 3 with a signed interconnection agreement and 2 in full interconnection study. 2 battery storage projects are queued, 0 with a signed interconnection agreement.
From the ERCOT GIS report. Project names, developers, MW and dates are on Pro.
Planned transmission
No planned substations, lines or upgrades are recorded in Sterling County.
Wholesale power prices
The WEST load zone averaged $57.31/MWh day-ahead over the last 7 days. Nearest generator pricing nodes: HONEY_WD_RN $58.20, LACY_CRK_ALL $59.56 and AVIAT_ALL $56.92.
ERCOT day-ahead settlement point prices. Hourly history, battery spreads and real-time prices are on the map.
Jurisdiction
Nearest city to the county center: Sterling City (3 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 Sterling 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.