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.
Overview
Key fields
- 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
- Registry anchor
- Plant 55327
Baytown Energy Center LLC · ERCOT
Resource stack
- 3 resources
BTE_CC1_3 · BTE_CC1_4
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.
Structured profile
- Owner / operator
- Baytown Energy Center LLC
Calpine operating company
- Operating units
- 4
All report June 2002 operating months
- Plant type
- Combined-cycle CHP
Electricity and industrial steam
- TCEQ entity
- RN100226067
Federal Operating Permit O2133
Units and generators
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| CTG1 | 219.3 MW 198 MW summer | Natural Gas Fired Combined Cycle Natural Gas · CT | Jun 2002 | Operating |
| CTG2 | 219.3 MW 198 MW summer | Natural Gas Fired Combined Cycle Natural Gas · CT | Jun 2002 | Operating |
| CTG3 | 219.3 MW 198 MW summer | Natural Gas Fired Combined Cycle Natural Gas · CT | Jun 2002 | Operating |
| STG1 | 275 MW 258 MW summer | Natural Gas Fired Combined Cycle Natural Gas · CA | Jun 2002 | Operating |
Performance
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Peer context
- Technology capacity
- 932.9 MW
- National rank
- #107
- TX rank
- #18
Monthly generation
Download CSVMonthly generation is reported through EIA-923. Capacity factor uses the current EIA nameplate capacity and is shown only for complete calendar years.
ERCOT disclosed dispatch
3 ERCOT market resources · Combined-cycle gas
Generation
3 mo through May 22, 2026Capacity factor is average output vs. this plant's observed peak.
Output by hourlocal time · 90 days through May 22, 2026
Latest disclosed outputhourly · 2 weeks ending May 22, 2026
Generation from ERCOT's 60-Day SCED Disclosure (≈60-day lag), summed over this site's market resources.
Grid and market context
Deterministic links to ERCOT market resources, price records, outage disclosures, queue records, and nearby infrastructure. Candidate joins remain labeled until corroborated.
Market registration
ERCOT public disclosuresOperating context
ERCOT market recordsNearby substations
HIFLD infrastructure inventoryCommercial, land, and environmental record
Source-backed project transactions, agreements, land records, permits, and environmental disclosures. Portfolio and adjacent-project facts remain explicitly scoped.
Transactions and agreements
Land and environmental record
Related parties and identifiers
Parties, market resources, and identifiers tied to this asset, with owner, operator, developer, EPC, compliance provider, and interconnecting entity roles kept separate.
Relationship graph
Drag organizations to explore the network. Select a node to pin its details and available page link.
Parties and identifiers
| Relationship | Entity | Basis |
|---|---|---|
| Market resources | BTE_CC1_3, BTE_CC1_4, BTE_CC1_6 | Linked ERCOT resources. |
| Grid selection | plant:plant-55327 | Canonical asset page /ercot/assets/plant/baytown-energy-center. |
Reporting portfolio
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
Timeline and sources
Project milestones and public references behind the asset profile.
Project timeline
- Generators enter operationEIA-860
EIA-860 lists generator CTG1, generator CTG2, generator CTG3, generator STG1 with this operating date.
- Commercial Operation (Combined‑Cycle)Calpine's 8...
Baytown Energy Center entered combined‑cycle operations; commissioning and commercial operation reported in June 2002.
- DOE project selection announcedCalpine's B...
Calpine’s Baytown Carbon Capture project was selected by the U.S. Department of Energy for a cost‑sharing agreement to advance commercial‑scale carbon capture and storage infrastructure.
- DOE cost‑sharing / Phase reportingDOE Scraps ...
Reporting indicates Phase 1 funding for the project (reported $270 million) in mid‑2024 as part of the DOE cost‑sharing implementation and project phasing.
- Latest disclosed generation interval
ERCOT SCED disclosure is delayed, so plant performance windows end at the latest disclosed interval.
Sources
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