# Permian Basin

ERCOT asset profile · https://askthegrid.com/assets/facilities/permian-basin

Vistra · Ward County · ERCOT

Permian Basin Power Plant is a five-unit natural-gas simple-cycle facility in Ward County, Texas, operated by Luminant Generation Company. EIA's May 2026 inventory reports five 89.4 MW combustion turbines totaling 447 MW nameplate, 320 MW net summer, and 387 MW net winter capability. Units 1 through 3 are dated May 1988 and Units 4 and 5 February 1990. Vistra uses a rounded 325 MW current plant rating and announced two additional units totaling 860 MW for the site in September 2025; that expansion is planned capacity, not part of the current EIA total.

## Profile

- **Grid role:** Dispatchable simple-cycle generation serving ERCOT's West region.
- **Current configuration:** Five 89.4 MW nameplate combustion turbines.
- **Capacity scope:** 447 MW EIA nameplate · 320 MW net summer · 387 MW net winter · 325 MW rounded Vistra rating.
- **Planned expansion:** Two additional units totaling 860 MW would increase Vistra's company site rating from 325 MW to 1,185 MW; these units are not in the current EIA inventory.

## Metrics

- **Net summer capacity:** 320 MW — EIA May 2026
- **Nameplate capacity:** 447 MW — EIA May 2026
- **Net winter capacity:** 387 MW — EIA May 2026
- **Current generators:** 5 — 89.4 MW each
- **Planned addition:** 860 MW — 2 future units
- **Registry anchor:** Plant 3494 — Luminant Generation Company LLC

## Facts

- **Net summer capacity:** 320 MW — EIA May 2026 · confidence: high
- **Current configuration:** 5 × 89.4 MW combustion turbines — EIA May 2026 · confidence: high
- **Company plant rating:** 325 MW — Vistra · confidence: high
- **Planned expansion:** 2 units · 860 MW — Not current capacity · confidence: high

## Related parties

- **EIA registered operator:** Luminant Generation Company LLC — EIA May 2026 generator inventory ([source](https://www.vistracorp.com/))
- **Corporate owner and expansion sponsor:** Vistra — Vistra Permian expansion announcement ([source](https://www.vistracorp.com/))

## Sources

- [EIA May 2026 generator inventory](https://www.eia.gov/electricity/data/eia860m/) — U.S. Energy Information Administration · regulatory — Current generator records, capacity scopes, dates, status, operator, and technology.
- [Vistra Permian expansion announcement](https://investor.vistracorp.com/2025-09-29-Vistra-Announces-Plans-to-Build-New-Gas-Fueled-Dispatchable-Power-Units-in-the-Permian-Basin) — Vistra · official — Current company rating, two-unit expansion, planned capacity, and announcement date.

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Canonical page: https://askthegrid.com/assets/facilities/permian-basin
Website: [Vistra](https://investor.vistracorp.com/2025-09-29-Vistra-Announces-Plans-to-Build-New-Gas-Fueled-Dispatchable-Power-Units-in-the-Permian-Basin)
Profile published: 2026-07-17T03:34:40.333Z
Source: Ask the Grid — https://askthegrid.com/