Bayou Cogen Plant
Air Liquide · Harris County · ERCOT
Bayou Cogen Plant is a four-unit natural-gas cogeneration facility at Air Liquide's Bayport complex in Harris County, Texas. EIA's May 2026 inventory reports 318.4 MW nameplate, 300 MW net summer, and 372 MW net winter capability. The four 79.6 MW generator records entered service between May 2014 and January 2016.
Overview
Key fields
- Net summer capacity
- 300 MW
EIA May 2026
- Nameplate capacity
- 318.4 MW
4 × 79.6 MW
- Net winter capacity
- 372 MW
EIA May 2026
- Operating dates
- 2014–2016
EIA May 2026
- Registry anchor
- Plant 10298
Air Liquide Large Industries U.S. LP
Resource stack
- 4 resources
BYU_CC1_1 · BYU_CC1_2
Profile
- Grid role
- Industrial cogeneration producing electricity and process steam at Air Liquide's Bayport complex.
- Current configuration
- Four GE 7E gas turbines, each 79.6 MW EIA nameplate.
- Capacity scope
- 318.4 MW nameplate · 300 MW net summer · 372 MW net winter.
- Steam output
- Air Liquide reports more than 1,300 tonnes of steam per hour for the expanded complex.
Structured profile
- Net summer capacity
- 300 MW
EIA May 2026
- Current operator
- Air Liquide Large Industries U.S. LP
EIA May 2026
- Complex steam output
- >1,300 tonnes/hour
Air Liquide
Units and generators
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| GEN1 | 75 MW 65 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | Dec 1984 | Operating |
| GEN2 | 75 MW 65 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | Dec 1984 | Operating |
| GEN3 | 75 MW 65 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | Mar 1985 | Operating |
| GEN4 | 79.6 MW 65 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | Mar 1985 | Operating |
| GT1 | 79.6 MW 75 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | May 2014 | Operating |
| GT2 | 79.6 MW 75 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | Jan 2016 | Operating |
| GT3 | 79.6 MW 75 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | Jan 2015 | Operating |
| GT4 | 79.6 MW 75 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | Jan 2015 | Operating |
Performance
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Peer context
- Technology capacity
- 623 MW
- National rank
- #60
- TX rank
- #1
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
4 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.
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
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Parties and identifiers
| Relationship | Entity | Basis |
|---|---|---|
| Owner and EIA registered operator | EIA May 2026 generator inventory | |
| Market resources | BYU_CC1_1, BYU_CC1_2, BYU_CC1_3, BYU_CC1_4 | Linked ERCOT resources. |
| Grid selection | plant:plant-10298 | Canonical asset page /ercot/assets/plant/bayou-cogen-plant. |
Reporting portfolio
| Largest reported plants | Capacity | State |
|---|---|---|
| Bayou Cogen PlantCurrent | 318.4 MW | TX |
| Geismar Cogen | 83.9 MW | LA |
Portfolio membership follows the latest EIA-860 reporting entity. It does not imply ultimate ownership.
View full reporting portfolioTimeline and sources
Project milestones and public references behind the asset profile.
Project timeline
- Generators enter operationEIA-860
EIA-860 lists generator GEN1, generator GEN2 with this operating date.
- Generators enter operationEIA-860
EIA-860 lists generator GEN3, generator GEN4 with this operating date.
- First current turbine entered serviceEIA May 202...
EIA reports May 2014 for GT1.
- Third current turbine entered serviceEIA May 202...
EIA reports January 2015 for GT3.
- Fourth current turbine entered serviceEIA May 202...
EIA reports July 2015 for GT4.
- Second current turbine entered serviceEIA May 202...
EIA reports January 2016 for GT2.
- Latest disclosed generation interval
ERCOT SCED disclosure is delayed, so plant performance windows end at the latest disclosed interval.
Sources
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