Coleman County, Texas: power grid and siting data
Coleman County is in ERCOT's WEST load zone. It has 14 mapped substations, owned mostly by AEP Texas, AEP Texas North and Electric Transmission Tx Llc; the highest voltage is 138 kV. The ERCOT queue lists 5 generation projects (5 solar) and 2 battery storage projects here.
Substations in Coleman County
7 at 138 kV, 7 at 69 kV and below.
| Substation | Voltage | Owner | Lines | |
|---|---|---|---|---|
| Santa Anna | 138 kV | AEP Texas North | 3 | map |
| Santa Anna | 138 kV | Electric Transmission Tx Llc | 3 | map |
| Santa Anna | 138 kV | AEP Texas North | 2 | map |
| Talpa Atlantic | 138 kV | Etp Crude Llc | 1 | map |
| East Coleman | 138 kV | AEP Texas | map | |
| East Coleman Tap | 138 kV | AEP Texas | map | |
| Lake Ivey Intake Pump | 138 kV | AEP Texas | map | |
| Coleman Junction | 69 kV | AEP Texas | map | |
| Elote | 69 kV | AEP Texas | map | |
| Gouldbusk | 69 kV | AEP Texas | map | |
| Maize | 69 kV | AEP Texas | map | |
| Cec Novice 69kv | 69 kV | AEP Texas | map | |
| Novice | 69 kV | AEP Texas | map | |
| Valera Humble | 69 kV | AEP Texas | map |
ERCOT interconnection queue
5 generation projects are queued in Coleman County: 5 solar. By stage: 1 with a signed interconnection agreement and 4 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
1 planned grid project touches Coleman 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: NRTN_SLR_RN $53.56, BUFF_GAP_ALL $47.00 and CNTRY_RN $39.57.
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: Coleman (2.6 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 Coleman 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.