Colorado County, Texas: power grid and siting data
Colorado County is in ERCOT's SOUTH load zone. It has 22 mapped substations, owned mostly by AEP Texas, LCRA and San Bernard Electric Cooperative; the highest voltage is 138 kV. The ERCOT queue lists 4 generation projects (3 solar and 1 gas) and 11 battery storage projects here.
Substations in Colorado County
16 at 138 kV, 6 at 69 kV and below.
| Substation | Voltage | Owner | Lines | |
|---|---|---|---|---|
| Glidden | 138 kV | LCRA | 4 | map |
| Nada | 138 kV | LCRA | 3 | map |
| Altair | 138 kV | LCRA | 3 | map |
| Tap307842 | 138 kV | Alleyton Resource Company Llc | 3 | map |
| Tap308029 | 138 kV | Cramer Harold L | 3 | map |
| Tap310862 | 138 kV | Perez Marcos Rodolfo Etal | 3 | map |
| Columbus | 138 kV | AEP Texas | 2 | map |
| Lakeside Pump | 138 kV | AEP Texas | 2 | map |
| Pisek | 138 kV | LCRA | 2 | map |
| Bernardo | 138 kV | San Bernard Electric Cooperative | 2 | map |
| Eagle Lake | 138 kV | AEP Texas | 2 | map |
| Weimar | 138 kV | LCRA | 2 | map |
| Colorado | 138 kV | San Bernard Electric Cooperative | 1 | map |
| Parker | 138 kV | AEP Texas | 1 | map |
| Riverside Pump | 138 kV | AEP Texas | 1 | map |
| Prairie Pump | 138 kV | AEP Texas | 1 | map |
| Matthews | 69 kV | AEP Texas | 2 | map |
| Garwood City | 69 kV | AEP Texas | 2 | map |
| Garwood Relift | 69 kV | AEP Texas | 2 | map |
| Garwood Ideal | 69 kV | AEP Texas | 1 | map |
| Garwood Pump | 69 kV | AEP Texas | 1 | map |
| Lone Star Cement | 69 kV | AEP Texas | map |
ERCOT interconnection queue
4 generation projects are queued in Colorado County: 3 solar and 1 gas. By stage: 1 with a signed interconnection agreement and 3 in full interconnection study. 11 battery storage projects are queued, 3 with a signed interconnection agreement.
From the ERCOT GIS report. Project names, developers, MW and dates are on Pro.
Planned transmission
4 planned grid projects touch Colorado County: 2 new or rebuilt lines and 2 substation upgrades, 2 at 345 kV or above.
Wholesale power prices
The SOUTH load zone averaged $48.57/MWh day-ahead over the last 7 days. Nearest generator pricing nodes: TRUSGILL_RN $33.92, STAC_BES_RN $44.69 and PLN_ALL $35.65.
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: Columbus (4.4 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 Colorado 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.