Howard County, Texas: power grid and siting data
Howard County is in ERCOT's WEST load zone. It has 16 mapped substations, owned mostly by Oncor, Sharyland and Nrg Energy; the highest voltage is 345 kV. The ERCOT queue lists 7 generation projects (4 solar and 3 wind) and 10 battery storage projects here.
Substations in Howard County
5 at 345 kV, 2 at 138 kV, 1 at 115 kV, 8 at 69 kV and below.
| Substation | Voltage | Owner | Lines | |
|---|---|---|---|---|
| Falcon Seaboard | 345 kV | Oncor | 6 | map |
| Longshore | 345 kV | Oncor | 5 | map |
| Falcon Seaboard | 345 kV | Oncor | 4 | map |
| Elbow | 345 kV | Sharyland | 1 | map |
| Elbow Creek Wind Farm | 345 kV | Nrg Energy | 1 | map |
| Big Spring Switching Station | 138 kV | Oncor | 4 | map |
| Signal Mountain Wind | 138 kV | Terra Gen | 2 | map |
| Salem | 115 kV | Sharyland | 3 | map |
| Big Spring Switching Station | 69 kV | Oncor | 4 | map |
| Big Spring West | 69 kV | Oncor | 3 | map |
| Chalk | 69 kV | Oncor | 3 | map |
| Iatan Howard | 69 kV | Oncor | 1 | map |
| Coahoma | 69 kV | Oncor | 1 | map |
| Big Spring Air Park | 69 kV | Oncor | 1 | map |
| Unnamed station | 69 kV | Powell Rl & Bobby Ranch Ltd | 0 | map |
| Cosden | 69 kV | Oncor | 0 | map |
ERCOT interconnection queue
7 generation projects are queued in Howard County: 4 solar and 3 wind. By stage: 1 with a signed interconnection agreement and 6 in full interconnection study. 10 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
16 planned grid projects touch Howard County: 2 new substations, 13 new or rebuilt lines and 1 substation upgrade, 11 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: SWEC_G1 $61.90, FLCNS_UNIT1 $61.97 and RN_TOSBATT $61.43.
ERCOT day-ahead settlement point prices. Hourly history, battery spreads and real-time prices are on the map.
Data centers and large loads
2 announced data center campuses in Howard County.
- Elbow Creek Data Center Project Remains Uncertain as County Reviews Development Agreement KBest Media 2026-08-01
Jurisdiction
Nearest city to the county center: Big Spring (2.7 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 Howard 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.