# Quail Run Energy Center

ERCOT asset profile · https://askthegrid.com/assets/facilities/quail-run-energy-center

Calpine · Ector County · ERCOT

Quail Run Energy Center is a two-block natural-gas combined-cycle plant in Ector County, Texas. EIA's May 2026 inventory reports six operating generators totaling 550.4 MW nameplate, 472.2 MW net summer, and 532.2 MW net winter capability. Four combustion turbines and two steam turbines entered service between May 2002 and May 2008. Calpine acquired the facility from Lotus Infrastructure Partners in September 2024 and describes it as a 550 MW plant.

## Profile

- **Grid role:** Dispatchable two-block natural-gas combined-cycle generation in ERCOT.
- **Operating configuration:** Four combustion turbines and two steam turbines grouped into two combined-cycle blocks.
- **Capacity scope:** EIA reports 550.4 MW nameplate, 472.2 MW net summer, and 532.2 MW net winter capability; Calpine uses a 550 MW company rating.

## Metrics

- **Net summer capacity:** 472.2 MW — EIA May 2026
- **Nameplate capacity:** 550.4 MW — EIA May 2026
- **Net winter capacity:** 532.2 MW — EIA May 2026
- **Operating generators:** 6 — 4 combustion turbines · 2 steam turbines
- **Company rating:** 550 MW — Calpine
- **Registry anchor:** Plant 56349 — Quail Run Energy Partners, LP

## Facts

- **Net summer capacity:** 472.2 MW — EIA May 2026 · confidence: high
- **Nameplate capacity:** 550.4 MW — EIA May 2026 · confidence: high
- **Net winter capacity:** 532.2 MW — EIA May 2026 · confidence: high
- **Current owner:** Calpine — Acquired September 2024 · confidence: high
- **Configuration:** 2 combined-cycle blocks · 6 generators — EIA May 2026 · confidence: high

## Related parties

- **Registered plant entity:** Quail Run Energy Partners, LP — EIA May 2026 generator inventory

## 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.
- [Calpine Quail Run acquisition](https://www.calpine.com/calpine-ramps-up-investment-in-texas-grid-with-quail-run-acquisition/) — Calpine · official — Current owner, seller, company rating, and operating context.

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Canonical page: https://askthegrid.com/assets/facilities/quail-run-energy-center
Website: [Calpine](https://www.calpine.com/calpine-ramps-up-investment-in-texas-grid-with-quail-run-acquisition/)
Profile published: 2026-07-17T03:34:42.526Z
Source: Ask the Grid — https://askthegrid.com/