# Union Carbide Seadrift Cogen

ERCOT asset profile · https://askthegrid.com/assets/facilities/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.

## 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).

## Metrics

- **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

## Facts

- **Reported capacity:** 153 MW — Natural Gas Fired Combustion Turbine; Natural Gas Steam Turbine. · confidence: high
- **Operating status:** operating — Union Carbide Seadrift Cogen is operating. · confidence: medium
- **Location:** Calhoun County — ERCOT · confidence: high

## Related parties

- **Operator:** Union Carbide Corporation — Registered operator and wholly owned subsidiary of Dow. ([source](https://www.unioncarbide.com/))

## Sources

- [~* TEX>~ - Texas.gov](https://interchange.puc.texas.gov/Documents/58964_63_1567170.PDF) — interchange.puc.texas.gov · regulatory — Dec 17, 2025 — PUC DOCKET NO. 58964 CERTIFICATE OF SERVICE … 4 COMMISSION STAFF'S FIRST REQUEST FOR INFORMATION
- [Sheet1](https://www.ercot.com/files/docs/2007/09/13/electrical_bus_names_090707_rev1.xls) — ercot.com · regulatory — NCARBIDE 13.8 TOPOLOGY.

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Canonical page: https://askthegrid.com/assets/facilities/union-carbide-seadrift-cogen
Website: [Union Carbide Corporation](https://corporate.dow.com/en-us/locations/seadrift.html)
Profile published: 2026-07-17T03:34:56.889Z
Source: Ask the Grid — https://askthegrid.com/