Guadalupe County, Texas: power grid and siting data
Guadalupe County is in ERCOT's LCRA load zone. It has 30 mapped substations, owned mostly by Guadalupe Valley Electric Cooperative, LCRA and CPS Energy; the highest voltage is 345 kV. The ERCOT queue lists 10 generation projects (6 gas and 4 solar) and 4 battery storage projects here.
Substations in Guadalupe County
5 at 345 kV, 22 at 138 kV, 3 at 69 kV and below.
| Substation | Voltage | Owner | Lines | |
|---|---|---|---|---|
| Zorn | 345 kV | LCRA | 13 | map |
| Marion | 345 kV | LCRA | 11 | map |
| Elm Creek | 345 kV | CPS Energy | 8 | map |
| Clear Springs | 345 kV | LCRA | 7 | map |
| Rio Nogales Switchyard | 345 kV | CPS Energy | 3 | map |
| Seguin | 138 kV | LCRA | 9 | map |
| Geronimo | 138 kV | Guadalupe Valley Electric Cooperative | 6 | map |
| Mcqueeney | 138 kV | Guadalupe Valley Electric Cooperative | 5 | map |
| Tri-County | 138 kV | CPS Energy | 5 | map |
| Cibolo | 138 kV | Guadalupe Valley Electric Cooperative | 4 | map |
| Capote | 138 kV | Guadalupe Valley Electric Cooperative | 4 | map |
| Olmos | 138 kV | Guadalupe Valley Electric Cooperative | 3 | map |
| Highway 123 | 138 kV | LCRA | 3 | map |
| Schertz | 138 kV | Guadalupe Valley Electric Cooperative | 3 | map |
| Guadalupe Generating | 138 kV | Guadalupe Power Prtnrs Lp | 3 | map |
| New Berlin | 138 kV | Guadalupe Valley Electric Cooperative | 3 | map |
| Parkway | 138 kV | Guadalupe Valley Electric Cooperative | 3 | map |
| Cmc | 138 kV | Guadalupe Valley Electric Cooperative | 3 | map |
| Caterpillar | 138 kV | Guadalupe Valley Electric Cooperative | 2 | map |
| Cushman | 138 kV | LCRA | 2 | map |
| York Creek | 138 kV | Guadalupe Valley Electric Cooperative | 2 | map |
| Schumansville | 138 kV | Guadalupe Valley Electric Cooperative | 2 | map |
| Hickory Forest | 138 kV | Guadalupe Valley Electric Cooperative | 2 | map |
| Weiderstein | 138 kV | LCRA | 2 | map |
| Seguin West | 138 kV | LCRA | 2 | map |
| Unnamed station | 138 kV | not recorded | 2 | map |
| Smi | 138 kV | Guadalupe Valley Electric Cooperative | 0 | map |
| Unnamed station | 69 kV | Guadalupe Valley Elec Coop | 2 | map |
| Darst Creek | 69 kV | AEP Texas | 2 | map |
| Pooley Road | 69 kV | Bluebonnet Electric Cooperative | 2 | map |
ERCOT interconnection queue
10 generation projects are queued in Guadalupe County: 6 gas and 4 solar. By stage: 3 with a signed interconnection agreement and 7 in full interconnection study. 4 battery storage projects are queued, 0 with a signed interconnection agreement.
From the ERCOT GIS report. Project names, developers, MW and dates are on Pro.
Planned transmission
6 planned grid projects touch Guadalupe County: 4 new or rebuilt lines and 2 substation upgrades, 5 at 345 kV or above.
Wholesale power prices
The LCRA load zone averaged $44.89/MWh day-ahead over the last 7 days. Nearest generator pricing nodes: RIONOG_CT1 $44.22, CACH_ESS_RN $44.29 and ELMCRK_RN $52.17.
ERCOT day-ahead settlement point prices. Hourly history, battery spreads and real-time prices are on the map.
Data centers and large loads
3 announced data center campuses in Guadalupe County, 2 at or above ERCOT's 75 MW large load threshold.
- San Antonio, Cibolo pursue data center regulations, but moratorium idea lingers Focus On San Antonio 2026-08-25
- Cibolo council begins crafting data center regulations after public concern MyTownView 2026-08-17
- Can Texas communities such as Cibolo find ways to regulate data centers? Focus On San Antonio 2026-07-28
- Guadalupe County sued over data center development agreements Community Impact 2026-07-21
- Guadalupe County OKs CloudBurst abatement 3-2 Seguin Today 2026-04-22
Jurisdiction
Nearest city to the county center: Seguin (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 Guadalupe 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.