Union Carbide Seadrift Cogen
Union Carbide Corporation · Calhoun County · ERCOT
Union Carbide Seadrift Cogen is a natural gas-fired power facility with 153 MW of EIA-reported net summer capability in Calhoun County, Texas, registered as EIA Plant ID 50150. Union Carbide Corporation is the public owner or developer; Union Carbide Corp-Seadrift is the registered plant entity or operator.
Overview
Key fields
- Reported capacity
- 153 MW
EIA-reported net summer capability; other nameplate and seasonal ratings may differ.
- Technology
- Natural Gas Fired Combustion Turbine; Natural Gas Steam Turbine.
Primary generation technology.
- Registry anchor
- Plant 50150
Union Carbide Corp-Seadrift · Calhoun County · ERCOT
- Operating status
- Operating
Union Carbide Seadrift Cogen is operating.
- Resource stack
- 7 resources
NCARBIDE_NCARBIG1 · NCARBIDE_NCARBIG2 · NCARBIDE_NCARBIG3
Profile
- Grid role
- Industrial cogeneration (combined heat and power) supplying onsite industrial steam/heat with exported generation to ERCOT
- Physical build
- Three cogeneration trains (each a gas-turbine generator + HRSG) are described in the facility Title V permit; the site as reported in EIA/plant records comprises 8 generating units and ~168 MW nameplate (≈153 MW summer). The permit authorizes one GE PG6561(B) combustion turbine generator (CTG) with a nominal short-term rating 44.46 MW (38.7 MW average at 69°F).
Structured profile
- Reported capacity
- 153 MW
Natural Gas Fired Combustion Turbine; Natural Gas Steam Turbine.
- Operating status
- operating
Union Carbide Seadrift Cogen is operating.
- Location
- Calhoun County
ERCOT
Units and generators
Operating generator records and technology attributes reported through EIA-860.
| Generator | Capacity | Technology | Operation | Status |
|---|---|---|---|---|
| GE10 | 15 MW 15 MW summer | Natural Gas Steam Turbine Natural Gas · ST | Jan 1964 | Operating |
| GE11 | 35 MW 30 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | Nov 2000 | Operating |
| GEN5 | 15 MW 15 MW summer | Natural Gas Steam Turbine Natural Gas · ST | Nov 1987 | Operating |
| GEN6 | 35 MW 30 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | Nov 1987 | Operating |
| GEN7 | 6 MW 6 MW summer | Natural Gas Steam Turbine Natural Gas · ST | Nov 1987 | Operating |
| GEN8 | 35 MW 30 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | Nov 1987 | Operating |
| GEN9 | 15 MW 15 MW summer | Natural Gas Steam Turbine Natural Gas · ST | Nov 1987 | Operating |
| IGT | 12 MW 12 MW summer | Natural Gas Fired Combustion Turbine Natural Gas · GT | Jan 1969 | Operating |
Performance
Monthly EIA generation history and recent market-resource behavior where linked telemetry is available.
Peer context
- Technology capacity
- 117 MW
- National rank
- #347
- TX rank
- #40
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
7 ERCOT market resources · Gas turbine
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
Drag organizations to explore the network. Select a node to pin its details and available page link.
Parties and identifiers
| Relationship | Entity | Basis |
|---|---|---|
| Operator | Registered operator and wholly owned subsidiary of Dow. | |
| Market resources | NCARBIDE_NCARBIG1, NCARBIDE_NCARBIG2, NCARBIDE_NCARBIG3, NCARBIDE_NCARBIG5, NCARBIDE_NCARBIG6 | 7 linked ERCOT resources. |
| Grid selection | plant:plant-50150 | Canonical asset page /ercot/assets/plant/union-carbide-seadrift-cogen. |
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
- Generator enters operationEIA-860
EIA-860 lists generator GE10 with this operating date.
- Generator enters operationEIA-860
EIA-860 lists generator IGT with this operating date.
- Generators enter operationEIA-860
EIA-860 lists generator GEN5, generator GEN6, generator GEN7, generator GEN8, generator GEN9 with this operating date.
- Generator enters operationEIA-860
EIA-860 lists generator GE11 with this operating date.
- Latest disclosed generation interval
ERCOT SCED disclosure is delayed, so plant performance windows end at the latest disclosed interval.
Sources
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