Hill County, Texas: power grid and siting data
Hill County is in ERCOT's NORTH load zone. It has 13 mapped substations, owned mostly by Oncor, Brazos and TNMP; the highest voltage is 345 kV. The ERCOT queue lists 13 generation projects (8 solar, 3 gas and 2 wind) and 9 battery storage projects here.
Substations in Hill County
2 at 345 kV, 9 at 138 kV, 2 at 69 kV and below.
| Substation | Voltage | Owner | Lines | |
|---|---|---|---|---|
| Sam Switching Station | 345 kV | Nextera Energy | 7 | map |
| Unnamed station | 345 kV | West Texas Gulf Pipeline Co | 2 | map |
| Hillsboro | 138 kV | Oncor | 7 | map |
| Unnamed station | 138 kV | Oncor | 3 | map |
| Unnamed station | 138 kV | Brazos | 2 | map |
| Unnamed station | 138 kV | Brazos | 2 | map |
| Itasca | 138 kV | Oncor | 2 | map |
| Abbott | 138 kV | Oncor | 2 | map |
| Unnamed station | 138 kV | Oncor | 2 | map |
| Unnamed station | 138 kV | Brazos | 1 | map |
| Unnamed station | 138 kV | TNMP | 0 | map |
| Mertens | 69 kV | Oncor | 2 | map |
| Whitney | 69 kV | TNMP | 0 | map |
ERCOT interconnection queue
13 generation projects are queued in Hill County: 8 solar, 3 gas and 2 wind. By stage: 7 with a signed interconnection agreement and 6 in full interconnection study. 9 battery storage projects are queued, 4 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 Hill County: 1 new substation, 6 new or rebuilt lines and 1 substation upgrade, 7 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: THREEW_S_RN $39.79, SUNVASLR_ALL $38.48 and MIDP_SLR_RN $39.71.
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 Hill County, 1 at or above ERCOT's 75 MW large load threshold.
- Hill County dropped its data center ban after a $100 million lawsuit. Now the developer has dismissed the case. KWTX 2026-07-15
- Hill County rescinds data center moratorium after lawsuit Texas Tribune 2026-06-05
- 238 Gigawatts on Paper, $100 Million in Federal Court The Grid Report 2026-05-29
- Three Charts for the Data-Center Conversation You're About to Have The Grid Report 2026-05-19
- "We Don't Want It in Our Community": Texas Starts Pushing Back The Grid Report 2026-05-15
Jurisdiction
Nearest city to the county center: Hillsboro (0.2 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 Hill 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.