ExxonMobil Baytown Turbine
ExxonMobil · Harris County · ERCOT
ExxonMobil Baytown Turbine is a five-unit natural-gas combustion-turbine plant within the Baytown industrial complex in Harris County, Texas. EIA's May 2026 inventory reports 381.8 MW nameplate, 305 MW net summer, and 374.1 MW net winter capability. Three 39.7 MW units entered service in 1989, a 98.9 MW unit in 1997, and a 163.8 MW unit in 2004. Exxon Mobil Refining and Supply Company is the registered operator; the generation supports the integrated Baytown manufacturing site.
Overview
Key fields
- Net summer capacity
- 305 MW
EIA May 2026
- Nameplate capacity
- 381.8 MW
EIA May 2026
- Net winter capacity
- 374.1 MW
EIA May 2026
- Current generators
- 5
Natural-gas combustion turbines
- Operating dates
- 1989–2004
EIA May 2026
- Registry anchor
- Plant 10692
Exxon Mobil Refining and Supply Co.
Profile
- Grid role
- Industrial self-generation and cogeneration serving ExxonMobil's integrated Baytown manufacturing complex.
- Current configuration
- Five natural-gas combustion-turbine generator records.
- Capacity scope
- 381.8 MW nameplate · 305 MW net summer · 374.1 MW net winter.
- Operating chronology
- Three units in 1989 · one in 1997 · one in 2004.
Structured profile
- Net summer capacity
- 305 MW
EIA May 2026
- Current configuration
- 5 combustion turbines
EIA May 2026
- Nameplate capacity
- 381.8 MW
EIA May 2026
- Registered operator
- Exxon Mobil Refining and Supply Co.
EIA May 2026
Units and generators
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| GEN1 | 39.7 MW 29 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | Feb 1989 | Operating |
| GEN2 | 39.7 MW 29 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | Apr 1989 | Operating |
| GEN3 | 39.7 MW 29 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | Mar 1989 | Operating |
| GEN4 | 98.9 MW 78 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | Feb 1997 | Operating |
| GEN5 | 163.8 MW 140 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | Dec 2004 | Operating |
Performance
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Peer context
- Technology capacity
- 381.8 MW
- National rank
- #127
- TX rank
- #16
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.
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.
Nearby 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 |
|---|---|---|
| EIA registered operator | EIA May 2026 generator inventory | |
| Corporate owner of the Baytown complex | ExxonMobil Baytown operations page | |
| Grid selection | plant:plant-10692 | Canonical asset page /ercot/assets/plant/exxonmobil-baytown-turbine. |
Reporting portfolio
| Largest reported plants | Capacity | State |
|---|---|---|
| ExxonMobil Baytown TurbineCurrent | 381.8 MW | TX |
| ExxonMobil Baytown Refinery | 209.3 MW | TX |
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
- First three current turbines entered serviceEIA May 202...
EIA reports February, March, and April 1989 for GEN1 through GEN3.
- Generator enters operationEIA-860
EIA-860 lists generator GEN1 with this operating date.
- Generator enters operationEIA-860
EIA-860 lists generator GEN3 with this operating date.
- Generator enters operationEIA-860
EIA-860 lists generator GEN2 with this operating date.
- Fourth turbine entered serviceEIA May 202...
EIA reports February 1997 for GEN4.
- Fifth turbine entered serviceEIA May 202...
EIA reports December 2004 for GEN5.
Sources
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