Nolan County, Texas: power grid and siting data
Nolan County is in ERCOT's WEST load zone. It has 22 mapped substations, owned mostly by Oncor, Leeward Renewable Energy and E On; the highest voltage is 345 kV. The ERCOT queue lists 15 generation projects (10 wind, 4 solar and 1 gas) and 3 battery storage projects here.
Substations in Nolan County
8 at 345 kV, 6 at 138 kV, 8 at 69 kV and below.
| Substation | Voltage | Owner | Lines | |
|---|---|---|---|---|
| Sweetwater East | 345 kV | Oncor | 8 | map |
| Bitter Creek | 345 kV | LCRA | 4 | map |
| Central Bluff | 345 kV | Oncor | 4 | map |
| Inadale Wind Farm | 345 kV | E On | 2 | map |
| Champion Wind Farm | 345 kV | E On | 2 | map |
| Oak Creek | 345 kV | Oncor | 1 | map |
| Sweetwater Wind 1 | 345 kV | Leeward Renewable Energy | 1 | map |
| Sweetwater Wind 3 | 345 kV | Leeward Renewable Energy | 0 | map |
| Eskota Switching Station | 138 kV | Oncor | 7 | map |
| Sweetwater Wind 4 | 138 kV | Leeward Renewable Energy | 2 | map |
| Lonestar Cement | 138 kV | Lone Star Industries Inc | 1 | map |
| Sweetwater Wind 5 | 138 kV | Leeward Renewable Energy | 1 | map |
| South Trent Wind Farm | 138 kV | Nrg Energy | 1 | map |
| Sweetwater Downtown | 138 kV | Oncor | 0 | map |
| Horse Hollow 2 | 69 kV | Nextera Energy | 3 | map |
| Turkey Track Wind | 69 kV | Invenergy | 3 | map |
| Trent Wind Farm | 69 kV | AEP Texas | 3 | map |
| Buffalo Gap 2 | 69 kV | Aes Corporation | 2 | map |
| Sweetwater Creek | 69 kV | Oncor | 1 | map |
| Horse Hollow 3 | 69 kV | Nextera Energy | 1 | map |
| Us Gypsum South | 69 kV | United States Gypsum Company | 0 | map |
| Sweetwater | 69 kV | Oncor | 0 | map |
ERCOT interconnection queue
15 generation projects are queued in Nolan County: 10 wind, 4 solar and 1 gas. By stage: 6 with a signed interconnection agreement and 9 in full interconnection study. 3 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 Nolan County: 2 new substations and 4 new or rebuilt lines, 1 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: SWTWN4_WND45 $44.76, LONEWOLF_ALL $56.52 and SWT_BESS_RN $85.38.
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 Nolan County, 3 at or above ERCOT's 75 MW large load threshold.
Jurisdiction
Nearest city to the county center: Sweetwater (9.6 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 Nolan 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.