Nueces County, Texas: power grid and siting data
Nueces County is in ERCOT's SOUTH load zone. It has 72 mapped substations, owned mostly by AEP Texas, STEC and Equistar Chemicals Lp; the highest voltage is 345 kV. The ERCOT queue lists 5 generation projects (2 gas, 2 solar and 1 storage) and 8 battery storage projects here.
Substations in Nueces County
10 at 345 kV, 47 at 138 kV, 15 at 69 kV and below. The 30 highest-voltage stations are listed; the map shows all 72.
| Substation | Voltage | Owner | Lines | |
|---|---|---|---|---|
| Lon Hill | 345 kV | AEP Texas | 11 | map |
| Lon Hill | 345 kV | AEP Texas | 6 | map |
| Nelson Sharpe | 345 kV | AEP Texas | 2 | map |
| Water Works | 345 kV | AEP Texas | 1 | map |
| Calallen | 345 kV | STEC | 0 | map |
| Smith | 345 kV | AEP Texas | 0 | map |
| Amber | 345 kV | AEP Texas | map | |
| Blulacy | 345 kV | AEP Texas | map | |
| Noria Hondo Solar | 345 kV | AEP Texas | map | |
| Patriot | 345 kV | AEP Texas | map | |
| Nueces Bay | 138 kV | AEP Texas | 12 | map |
| Gila | 138 kV | AEP Texas | 6 | map |
| Westside | 138 kV | AEP Texas | 6 | map |
| Oxy Petro | 138 kV | Equistar Chemicals Lp | 3 | map |
| Highway 9 | 138 kV | AEP Texas | 3 | map |
| Barney Davis | 138 kV | AEP Texas | 3 | map |
| Airline | 138 kV | AEP Texas | 3 | map |
| Weil Tract | 138 kV | AEP Texas | 3 | map |
| Cabaniss | 138 kV | AEP Texas | 3 | map |
| Industrial | 138 kV | AEP Texas | 2 | map |
| Javelina | 138 kV | AEP Texas | 2 | map |
| West Oso | 138 kV | AEP Texas | 2 | map |
| Mckenzie | 138 kV | AEP Texas | 2 | map |
| Citgo North Oak Park | 138 kV | Citgo | 2 | map |
| Southside | 138 kV | AEP Texas | 1 | map |
| Corpus Christi | 138 kV | STEC | 1 | map |
| Pharoah | 138 kV | AEP Texas | 1 | map |
| Rodd Field | 138 kV | AEP Texas | 1 | map |
| Wooldridge | 138 kV | AEP Texas | 1 | map |
| Cantwell | 138 kV | Valero | 1 | map |
ERCOT interconnection queue
5 generation projects are queued in Nueces County: 2 gas, 2 solar and 1 storage. By stage: 2 with a signed interconnection agreement and 3 in full interconnection study. 8 battery storage projects are queued, 5 with a signed interconnection agreement.
From the ERCOT GIS report. Project names, developers, MW and dates are on Pro.
Planned transmission
13 planned grid projects touch Nueces County: 5 new substations, 6 new or rebuilt lines and 2 substation upgrades, 9 at 345 kV or above.
Wholesale power prices
The SOUTH load zone averaged $48.57/MWh day-ahead over the last 7 days. Nearest generator pricing nodes: LYNX_ESS_RN $45.88, CARN_ESS_RN $45.92 and WLTC_ESR_RN $45.90.
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 Nueces County, 1 at or above ERCOT's 75 MW large load threshold.
- "Very, Very Intrusive": 461 Surveys, 231 Notaries, and a Board That Voted Itself a 30% Raise The Grid Report 2026-09-19
- 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
- "Last Night It Was Nearly 12,000", The Record Week, and 438 GW at the Door The Grid Report 2026-07-24
- No moratorium issued on data centers in Corpus Christi Corpus Christi Caller-Times 2026-07-21
- Nueces County withheld Hut 8 Beacon Point incentives Caller-Times 2026-07-20
Jurisdiction
Nearest city to the county center: Robstown (1.9 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 Nueces 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.