San Jacinto County, Texas: power grid and siting data
San Jacinto County is in ERCOT's NORTH load zone. It has 7 mapped substations, owned mostly by Sam Houston Electric Cooperative and Entergy (non-ERCOT); the highest voltage is 230 kV. The ERCOT queue lists 0 generation projects and 0 battery storage projects here.
Substations in San Jacinto County
1 at 230 kV, 5 at 138 kV, 1 at 69 kV and below.
| Substation | Voltage | Owner | Lines | |
|---|---|---|---|---|
| Unnamed station | 230 kV | not recorded | 1 | map |
| Staley | 138 kV | Entergy (non-ERCOT) | 3 | map |
| Shepherd | 138 kV | Sam Houston Electric Cooperative | 3 | map |
| Wolf Creek | 138 kV | Sam Houston Electric Cooperative | 2 | map |
| Coley Creek | 138 kV | Sam Houston Electric Cooperative | 2 | map |
| Cold Spring | 138 kV | Sam Houston Electric Cooperative | 0 | map |
| Point Blank | 69 kV | Sam Houston Electric Cooperative | 1 | map |
ERCOT interconnection queue
No generation projects are queued in San Jacinto County. No battery storage projects are queued.
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 San Jacinto County.
Wholesale power prices
The NORTH load zone averaged $39.98/MWh day-ahead over the last 7 days. Nearest generator pricing nodes: LUP2_SLR_RN $38.16, RHESS2_ESS1 $44.71 and DIBOL_RN $35.22.
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: Coldspring (1.5 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 San Jacinto 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.