Hays County, Texas: power grid and siting data
Hays County is in ERCOT's LCRA load zone. It has 24 mapped substations, owned mostly by Pedernales Electric Cooperative, LCRA and San Marcos Electric Utilities; the highest voltage is 345 kV. The ERCOT queue lists 4 generation projects (4 gas) and 1 battery storage project here.
Substations in Hays County
2 at 345 kV, 21 at 138 kV, 1 at 69 kV and below.
| Substation | Voltage | Owner | Lines | |
|---|---|---|---|---|
| Hays Energy | 345 kV | LCRA | 4 | map |
| Ranch Road 12 | 345 kV | San Marcos Electric Utilities | 2 | map |
| Mccarty Lane | 138 kV | LCRA | 7 | map |
| Buda | 138 kV | Pedernales Electric Cooperative | 6 | map |
| San Marcos | 138 kV | San Marcos Electric Utilities | 5 | map |
| Centex | 138 kV | Pedernales Electric Cooperative | 4 | map |
| Turnersville | 138 kV | LCRA | 4 | map |
| Tap305358 | 138 kV | Sunfield Development Llc | 3 | map |
| Friendship | 138 kV | Pedernales Electric Cooperative | 3 | map |
| Canyon | 138 kV | LCRA | 3 | map |
| Rutherford | 138 kV | Pedernales Electric Cooperative | 3 | map |
| Lehigh | 138 kV | Pedernales Electric Cooperative | 3 | map |
| Hilltop | 138 kV | San Marcos Electric Utilities | 2 | map |
| Strahan | 138 kV | San Marcos Electric Utilities | 2 | map |
| Dripping Springs | 138 kV | Pedernales Electric Cooperative | 2 | map |
| Hunter | 138 kV | Pedernales Electric Cooperative | 2 | map |
| Henly | 138 kV | Pedernales Electric Cooperative | 2 | map |
| Beback | 138 kV | Bluebonnet Electric Cooperative | 2 | map |
| Goforth | 138 kV | Pedernales Electric Cooperative | 2 | map |
| Redwood | 138 kV | LCRA | 2 | map |
| Highway 32 | 138 kV | Pedernales Electric Cooperative | 2 | map |
| Wimberley | 138 kV | Pedernales Electric Cooperative | 1 | map |
| Highway 32 | 138 kV | Pedernales Electric Cooperative | 1 | map |
| Kyle | 69 kV | Pedernales Electric Cooperative | 2 | map |
ERCOT interconnection queue
4 generation projects are queued in Hays County: 4 gas. By stage: 4 in full interconnection study. 1 battery storage project is queued, 0 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 Hays County: 2 new substations, 4 new or rebuilt lines and 2 substation upgrades, 1 at 345 kV or above; 3 already energized.
Wholesale power prices
The LCRA load zone averaged $44.89/MWh day-ahead over the last 7 days. Nearest generator pricing nodes: BUDA_RN $44.48, CDRVLE_U1_RN $61.06 and HAYSEN1_2 $44.34.
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 Hays County.
- Hill Country Water at the Brink: Can Texas Balance Growth and Aquifers? The Texas Dispatch 2026-10-30
- Opposition to data centers in South Texas PBS (On the Record) 2026-10-15
- San Marcos ban data centers, testing its local control Texas Tribune 2026-06-30
- Hays County pauses data center approvals through end of 2026 Austin American-Statesman 2026-06-24
- Hays County approves resolution to pause review of data centers KXAN 2026-06-23
Jurisdiction
Nearest city to the county center: Wimberley (3.6 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 Hays 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.