# Cedar Bayou 4

ERCOT asset profile · https://askthegrid.com/assets/facilities/cedar-bayou-4

Cogentrix and NRG · Chambers County · ERCOT

Cedar Bayou 4 is a three-generator natural-gas combined-cycle facility near Baytown, Texas. EIA's May 2026 inventory reports 535.5 MW nameplate, 504 MW net summer, and 532 MW net winter capability; all three generators are dated June 2009. Cogentrix owns 50% and provides asset management, while NRG owns the remaining 50% and remains plant operator. Cogentrix reports a separate 550 MW company rating.

## Profile

- **Grid role:** Jointly owned dispatchable combined-cycle generation in ERCOT.
- **Operating configuration:** Two combustion-turbine generator records and one steam-turbine generator record, each 178.5 MW nameplate.
- **Capacity scope:** EIA reports 535.5 MW nameplate, 504 MW net summer, and 532 MW net winter capability; Cogentrix separately reports 550 MW.
- **Ownership and operation:** Cogentrix owns 50% and manages the asset; NRG owns 50% and remains operator.

## Metrics

- **Net summer capacity:** 504 MW — EIA May 2026
- **Nameplate capacity:** 535.5 MW — EIA May 2026
- **Net winter capacity:** 532 MW — EIA May 2026
- **Company rating:** 550 MW — Cogentrix
- **Current settlement point:** CBY4_CC1 — ERCOT public mapping
- **Registry anchor:** Plant 56806 — NRG Cedar Bayou Development Company LLC

## Facts

- **Net summer capacity:** 504 MW — EIA May 2026 · confidence: high
- **Nameplate capacity:** 535.5 MW — EIA May 2026 · confidence: high
- **Net winter capacity:** 532 MW — EIA May 2026 · confidence: high
- **Ownership:** Cogentrix 50% · NRG 50% — Cogentrix · confidence: high
- **Operator:** NRG — Cogentrix · confidence: high

## Related parties

- **50% owner and asset manager:** Cogentrix Energy Power Management, LLC — Cogentrix Odyssey acquisition record ([source](https://www.cogentrix.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.
- [Cogentrix Odyssey acquisition record](https://www.cogentrix.com/news/cogentrix-portfolio-expands-cogentrix-odyssey-holdings-acquisition) — Cogentrix · official — Current ownership split, operating roles, company rating, and acquisition date.

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Canonical page: https://askthegrid.com/assets/facilities/cedar-bayou-4
Website: [Cogentrix](https://www.cogentrix.com/projects)
Profile published: 2026-07-17T03:34:07.549Z
Source: Ask the Grid — https://askthegrid.com/