Henderson County, Texas: power grid and siting data
Henderson County is in ERCOT's NORTH load zone. It has 19 mapped substations, owned mostly by Oncor, Trinity Valley Elect Co Op Inc and Rayburn; the highest voltage is 345 kV. The ERCOT queue lists 1 generation project (1 solar) and 5 battery storage projects here.
Substations in Henderson County
2 at 345 kV, 11 at 138 kV, 6 at 69 kV and below.
| Substation | Voltage | Owner | Lines | |
|---|---|---|---|---|
| Trinidad | 345 kV | Oncor | 11 | map |
| Forest Grove | 345 kV | Oncor | 3 | map |
| Unnamed station | 138 kV | Oncor | 4 | map |
| Unnamed station | 138 kV | Trinity Valley Elect Co Op Inc | 3 | map |
| Unnamed station | 138 kV | Rayburn | 3 | map |
| Unnamed station | 138 kV | Tarrant County Water Control | 3 | map |
| Unnamed station | 138 kV | Trinity Valley Elect Co Op Inc | 2 | map |
| Unnamed station | 138 kV | Oncor | 2 | map |
| Unnamed station | 138 kV | Markevich Frank J | 2 | map |
| Unnamed station | 138 kV | Oncor | 2 | map |
| Unnamed station | 138 kV | Oncor | 2 | map |
| Unnamed station | 138 kV | not recorded | 1 | map |
| Unnamed station | 138 kV | Trinity Valley Elect Co Op Inc | 1 | map |
| Trinidad | 69 kV | Oncor | 5 | map |
| Unnamed station | 69 kV | Oncor | 4 | map |
| Tap305245 | 69 kV | Jones Arlis A & Susan | 3 | map |
| Tap310840 | 69 kV | Jones Arlis A & Susan | 3 | map |
| Unnamed station | 69 kV | Rayburn | 2 | map |
| Unnamed station | 69 kV | Trinity Valley Elect Co Op Inc | 2 | map |
ERCOT interconnection queue
1 generation project is queued in Henderson County: 1 solar. By stage: 1 with a signed interconnection agreement. 5 battery storage projects are queued, 1 with a signed interconnection agreement.
From the ERCOT GIS report. Project names, developers, MW and dates are on Pro.
Planned transmission
8 planned grid projects touch Henderson County: 3 new substations and 5 new or rebuilt lines, 5 at 345 kV or above; 1 already energized.
Wholesale power prices
The NORTH load zone averaged $39.98/MWh day-ahead over the last 7 days. Nearest generator pricing nodes: TANZ_ESS_RN $35.13, GAIA_SLR_RN $37.02 and FENCESLR_ALL $37.06.
ERCOT day-ahead settlement point prices. Hourly history, battery spreads and real-time prices are on the map.
Data centers and large loads
- Athens City Council votes 3-2 in favor of ordinance banning data centers KLTV 2026-08-24
- Company scraps plans for data center near major source of Fort Worth drinking water Fort Worth Report 2026-07-24
- Diode withdraws Henderson County Cedar Creek Lake data center Texas Tribune 2026-07-23
- Athens Council pauses data centers after packed meeting Athens Review 2026-04-14
Jurisdiction
Nearest city to the county center: Athens (0 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 Henderson 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.