Somervell County, Texas: power grid and siting data
Somervell County is in ERCOT's NORTH load zone. It has 3 mapped substations, owned mostly by Oncor and TNMP; the highest voltage is 345 kV. The ERCOT queue lists 2 generation projects (1 gas and 1 solar) and 0 battery storage projects here.
Substations in Somervell County
2 at 345 kV, 1 at 69 kV and below.
| Substation | Voltage | Owner | Lines | |
|---|---|---|---|---|
| Comanche Peak | 345 kV | Oncor | 9 | map |
| Comanche Peak Station | 345 kV | Oncor | 2 | map |
| Unnamed station | 69 kV | TNMP | 1 | map |
ERCOT interconnection queue
2 generation projects are queued in Somervell County: 1 gas and 1 solar. By stage: 1 with a signed interconnection agreement and 1 in full interconnection study. No battery storage projects are queued.
From the ERCOT GIS report. Project names, developers, MW and dates are on Pro.
Planned transmission
3 planned grid projects touch Somervell County: 2 new substations and 1 new or rebuilt line, 3 at 345 kV or above.
Wholesale power prices
The NORTH load zone averaged $39.98/MWh day-ahead over the last 7 days. Nearest generator pricing nodes: MIDP_SLR_RN $39.71, DILEOS_UNIT1 $41.16 and MRKM_SLR_RN $42.56.
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 Somervell County.
- Around the Queue, Not Through It: $35 Billion in Nueces County, 400 Miles of 765 kV, and a Batch Zero List Three Days Late The Grid Report 2026-09-04
- Rural North Texas counties trying to regulate data centers face legal threats KERA 2026-06-17
- Glen Rose residents pack meeting over data centers, future of Dinosaur Valley KERA 2026-06-17
- Oppose? Expand? Votes in 2 North Texas communities highlight a divide over data center growth KERA News 2026-05-12
- Rural Texas counties push for more regulations on data centers NBC 5 Dallas-Fort Worth 2026-05-11
Jurisdiction
Nearest city to the county center: Glen Rose (0.5 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 Somervell 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.