Liberty County, Texas: power grid and siting data
Entergy (non-ERCOT) owns most of the substations near the county center. It has 26 mapped substations, owned mostly by Entergy (non-ERCOT), Sam Houston Electric Cooperative and Praxair Inc; the highest voltage is 138 kV. The ERCOT queue lists 0 generation projects and 0 battery storage projects here.
Substations in Liberty County
23 at 138 kV, 3 at 69 kV and below.
| Substation | Voltage | Owner | Lines | |
|---|---|---|---|---|
| Raywood | 138 kV | Entergy (non-ERCOT) | 7 | map |
| Dayton Bulk | 138 kV | Entergy (non-ERCOT) | 6 | map |
| Unnamed station | 138 kV | Entergy (non-ERCOT) | 4 | map |
| Liberty National | 138 kV | Entergy (non-ERCOT) | 3 | map |
| Unnamed station | 138 kV | Praxair Inc | 3 | map |
| Eastgate | 138 kV | Entergy (non-ERCOT) | 3 | map |
| Tap307968 | 138 kV | Raywood Investments Ltd | 3 | map |
| Jacinto | 138 kV | Entergy (non-ERCOT) | 2 | map |
| Rye | 138 kV | Sam Houston Electric Cooperative | 2 | map |
| Unnamed station | 138 kV | Sunoco Pipeline Lp | 2 | map |
| Unnamed station | 138 kV | Mobil Oil Corporation | 2 | map |
| Cleveland | 138 kV | Entergy (non-ERCOT) | 2 | map |
| Unnamed station | 138 kV | Gulf States Utilities Co | 2 | map |
| Unnamed station | 138 kV | Kb & B Properties Lp | 2 | map |
| Unnamed station | 138 kV | Coastal Industrial Water Authority | 2 | map |
| Petry Woods | 138 kV | Entergy (non-ERCOT) | 2 | map |
| Tarkington | 138 kV | Sam Houston Electric Cooperative | 2 | map |
| Unnamed station | 138 kV | Colonial Pipeline Co 30123 | 2 | map |
| New Long John | 138 kV | Sam Houston Electric | 2 | map |
| Unnamed station | 138 kV | Jones Kristina Dawn | 1 | map |
| Hightower | 138 kV | Sam Houston Electric Cooperative | 1 | map |
| Unnamed station | 138 kV | Gaither Petroleum Corp | 1 | map |
| Devers Marsh | 138 kV | Entergy (non-ERCOT) | 1 | map |
| Unnamed station | 69 kV | Maynard Properties Lp | 1 | map |
| Unnamed station | 69 kV | Mobil Pipe Line Co | 1 | map |
| Huffman | 69 kV | Entergy (non-ERCOT) | 1 | map |
ERCOT interconnection queue
No generation projects are queued in Liberty 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 Liberty County: 1 substation upgrade.
Wholesale power prices
No price data.
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 Liberty County, 1 at or above ERCOT's 75 MW large load threshold.
- Liberty County says not so fast to accidental data center The Vindicator 2026-05-22
Jurisdiction
Nearest city to the county center: Dayton Lakes (0.4 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 Liberty 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.
