# Pasadena Cogeneration

ERCOT asset profile · https://askthegrid.com/assets/facilities/pasadena-cogeneration

Calpine · Harris County · ERCOT

Pasadena Cogeneration is a five-generator natural-gas combined-cycle cogeneration facility in Harris County, Texas. EIA's May 2026 inventory reports 815 MW nameplate, 746 MW net summer, and 776 MW net winter capability across three combustion turbines and two steam turbines. Two current generators entered service in June 1998 and three in June 2000. Constellation reports a separate 781 MW company rating for the Calpine-managed facility.

## Profile

- **Grid role:** Combined-cycle cogeneration supplying an industrial host while participating in ERCOT.
- **Operating configuration:** Three combustion turbines and two steam turbines in EIA's current inventory.
- **Capacity scope:** EIA reports 815 MW nameplate and 746 MW summer capability; Constellation uses a 781 MW company rating.
- **Market mapping:** ERCOT's current public price listing includes settlement point CAL_CC1.

## Metrics

- **Net summer capacity:** 746 MW — EIA May 2026 · five generators
- **Nameplate capacity:** 815 MW — 3 combustion turbines · 2 steam turbines
- **Net winter capacity:** 776 MW — EIA May 2026
- **Company rating:** 781 MW — Constellation March 2026 fleet disclosure
- **Registry anchor:** Plant 55047 — Pasadena Cogeneration LP

## Facts

- **Registered operator:** Pasadena Cogeneration LP — EIA May 2026 · confidence: high
- **Operating generators:** 5 — 1998 and 2000 phases · confidence: high
- **Current parent:** Constellation — Calpine business unit since January 2026 · confidence: high
- **TCEQ entity:** RN100222041 — Federal Operating Permit O1797 · confidence: high

## Sources

- [EIA May 2026 generator inventory](https://www.eia.gov/electricity/data/eia860m/) — U.S. Energy Information Administration · regulatory — Current generators, capacity scopes, dates, operator, technology, and balancing authority.
- [Pasadena Federal Operating Permit O1797](https://records.tceq.texas.gov/cs/idcplg?IdcService=TCEQ_EXTERNAL_SEARCH_GET_FILE&dID=5195728&Rendition=Web&searchType=External) — Texas Commission on Environmental Quality · regulatory — Exact-site equipment, address, and operating-permit record.

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Canonical page: https://askthegrid.com/assets/facilities/pasadena-cogeneration
Website: [Calpine Corporation](https://calpine.com/)
Profile published: 2026-07-17T03:34:39.298Z
Source: Ask the Grid — https://askthegrid.com/