# Baytown Energy Center

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

Calpine · Chambers County · ERCOT

Baytown Energy Center is a four-generator natural-gas combined-cycle cogeneration facility in Chambers County, Texas. EIA's May 2026 inventory reports 932.9 MW nameplate, 852 MW net summer, and 819 MW net winter capability across three combustion turbines and one steam turbine, all with June 2002 operating months. The facility supplies electricity and industrial steam. Baytown Energy Center LLC is the registered plant operator; Calpine is now a wholly owned subsidiary of Constellation following the transaction completed January 7, 2026.

## Profile

- **Grid role:** Combined-cycle cogeneration supplying electricity to ERCOT and steam to adjacent industrial operations.
- **Operating configuration:** Three 219.3 MW combustion turbines and one 275 MW steam turbine; 932.9 MW total nameplate.
- **Market mapping:** ERCOT publishes BTE_CC1 as the settlement point associated with the facility.
- **Environmental record:** TCEQ RN100226067; Federal Operating Permit O2133; New Source Review permits 41996, PSD-TX-953, and N-020.
- **Proposed carbon capture:** A separate Baytown CCS project remains described as proposed. Its target is up to 2 million metric tons of CO2 per year.

## Metrics

- **Net summer capacity:** 852 MW — EIA May 2026 · four generators
- **Nameplate capacity:** 932.9 MW — 3 combustion turbines · 1 steam turbine
- **Net winter capacity:** 819 MW — EIA May 2026
- **2025 generation:** 3.73 TWh — EIA 923 · May 2025-April 2026 window ([source](https://www.eia.gov/electricity/data/eia923/))
- **Registry anchor:** Plant 55327 — Baytown Energy Center LLC · ERCOT

## Facts

- **Owner / operator:** Baytown Energy Center LLC — Calpine operating company · confidence: high
- **Operating units:** 4 — All report June 2002 operating months · confidence: high
- **Plant type:** Combined-cycle CHP — Electricity and industrial steam · confidence: high
- **TCEQ entity:** RN100226067 — Federal Operating Permit O2133 · confidence: high

## Sources

- [EIA May 2026 generator inventory](https://www.eia.gov/electricity/data/eia860m/) — U.S. Energy Information Administration · regulatory — Current unit configuration, capacity scopes, operating months, operator, and ERCOT assignment.
- [Baytown Energy Center technical review](https://records.tceq.texas.gov/cs/idcplg?IdcService=TCEQ_EXTERNAL_SEARCH_GET_FILE&Rendition=Web&dID=9606359&searchType=External) — Texas Commission on Environmental Quality · regulatory — Exact facility configuration, operator, regulated entity, and current permit proceeding.
- [Baytown CCS Phase 1 fact sheet](https://www.energy.gov/sites/default/files/2024-07/Baytown_CCS_Factsheet_0.pdf) — U.S. Department of Energy · regulatory — Proposed project scope, Phase 1 funding, technology, capture target, and industrial offtaker.
- [Calpine transaction completion](https://www.constellationenergy.com/news/2026/01/constellation-completes-calpine-transaction-powering-americas-clean-energy-future.html) — Constellation · official — Confirms the January 7, 2026 completion of Constellation's acquisition of Calpine.
- [Baytown CO2 transport and storage agreement](https://corporate.exxonmobil.com/news/news-releases/2025/0423_calpine-exxonmobil-sign-co2-transportation-and-storage-agreement-for-power-generation-project) — ExxonMobil · official — Agreement covering up to 2 million metric tons of CO2 per year from the proposed project.

---

Canonical page: https://askthegrid.com/assets/facilities/baytown-energy-center
Website: [Calpine](https://calpine.com/)
Profile published: 2026-07-17T03:34:01.090Z
Source: Ask the Grid — https://askthegrid.com/