# Texas City Power Plant

ERCOT asset profile · https://askthegrid.com/assets/facilities/texas-city-power-plant

Calpine · Galveston County · ERCOT

Texas City Power Plant is a natural-gas combined-cycle cogeneration facility in Galveston County, Texas. EIA's May 2026 inventory reports four operating generator records totaling 450 MW nameplate, 418 MW net summer, and 435 MW net winter capability, all dated May 1987. A current TCEQ permit describes three combustion turbines, three heat-recovery steam generators, and one steam turbine. Texas City Cogeneration, LLC owns and operates the plant within Calpine, which became a wholly owned Constellation subsidiary in January 2026.

## Profile

- **Grid role:** Industrial cogeneration and dispatchable combined-cycle generation in ERCOT.
- **Operating configuration:** Three combustion turbines and HRSGs feeding one steam turbine.
- **Capacity scope:** EIA reports 450 MW nameplate, 418 MW net summer, and 435 MW net winter capability.

## Metrics

- **Net summer capacity:** 418 MW — EIA May 2026
- **Nameplate capacity:** 450 MW — EIA May 2026
- **Net winter capacity:** 435 MW — EIA May 2026
- **Operating generators:** 4 — 3 combustion · 1 steam
- **Registry anchor:** Plant 52088 — Texas City Cogeneration LLC

## Facts

- **Net summer capacity:** 418 MW — EIA May 2026 · confidence: high
- **Nameplate capacity:** 450 MW — EIA May 2026 · confidence: high
- **Owner and operator:** Texas City Cogeneration, LLC — TCEQ · confidence: high
- **Parent platform:** Calpine / Constellation — January 2026 acquisition · confidence: high

## Related parties

- **Parent generation platform:** Calpine LLC — Texas City TCEQ permit renewal ([source](https://www.calpine.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.
- [Texas City TCEQ permit renewal](https://www.tceq.texas.gov/assets/public/permitting/air/reports/applications/394159-ac.pdf) — Texas Commission on Environmental Quality · regulatory — Current owner/operator identity and three-combustion-turbine, three-HRSG, one-steam-turbine configuration.

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Canonical page: https://askthegrid.com/assets/facilities/texas-city-power-plant
Website: [Calpine](https://www.calpine.com/)
Profile published: 2026-07-17T03:34:53.172Z
Source: Ask the Grid — https://askthegrid.com/