Natural gasOperatingERCOT

Union Carbide Seadrift Cogen

Natural gas power plant in Calhoun County, Texas. 162 MW of nameplate capacity across 7 generators, operated by Union Carbide Corp-Seadrift.

Also known as EIA plant 50150

Analyst: free account, 1 question a day.

Seadrift Coke LPBP Chemicals Green Lake PlantVictoria Texas PlantCalhoun Port ComfortTres Port Power, LLCUnion Carbide Seadrift Cogen10 km
Open in the map
6 plants within 27 km, from EIA coordinates.

Key facts

Capacity
162 MWNameplate
Generators
7 operatingEIA-860M, August 2026
Operating since
January 1964First generator online
Operator
Union Carbide Corp-SeadriftEIA operator ID 19450
Grid
ERCOTBalancing authority ERCO
Price nodes
1 ERCOT nodeResource nodes with prices
Location
Calhoun County, TX28.5105, −96.7706
EIA plant ID
50150EIA plant page

Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.

How much power Union Carbide Seadrift Cogen produces

Free · EIA-923

Net generation, 2025

563 GWh

563,273 MWh, final

Capacity factor, 2025

38.3%

2024: 43.3%

January to July 2026

Not reported

Provisional. 0 of 7 months reported

Range, 2015 to 2025

563.3–913.2

GWh a year. Low 2025, high 2021

Annual net generation, GWhCapacity factor below each year
Annual net generation from EIA-923
YearNet generation, MWhCapacity factorMonths reported
2000850,836Not reported12 of 12
20011,006,608Not reported12 of 12
20021,010,876Not reported12 of 12
2003770,392Not reported12 of 12
2004789,973Not reported12 of 12
2005734,321Not reported12 of 12
2006743,714Not reported12 of 12
2007639,376Not reported12 of 12
2008627,365Not reported12 of 12
2009580,511Not reported12 of 12
2010593,90540.4%12 of 12
2011611,09941.5%12 of 12
2012639,92243.4%12 of 12
2013653,22344.4%12 of 12
2014661,42344.9%12 of 12
2015704,31747.9%12 of 12
2016663,93045.0%12 of 12
2017761,51351.7%12 of 12
2018814,32755.3%12 of 12
2019737,52850.1%12 of 12
2020819,383Not reported12 of 12
2021913,230Not reported12 of 12
2022723,745Not reported12 of 12
2023574,62539.0%12 of 12
2024638,90143.3%12 of 12
2025563,27338.3%12 of 12
2026 (provisional, partial year)Not reportedNot reported0 of 7

* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.

Power prices and basis

Free account · ERCOT

Emissions

Free · EPA CAMPD

No EPA emissions units are linked to this plant.

Water use

Free · EIA-923 cooling, USGS

No EIA cooling-water record for this plant in 2024.

Generators

Free · EIA-860M
GeneratorTechnologyNameplate MWOnline since
GE10Natural Gas Steam Turbine15.0January 1964
GE11Natural Gas Fired Combustion Turbine35.0November 2000
GEN5Natural Gas Steam Turbine15.0November 1987
GEN6Natural Gas Fired Combustion Turbine35.0November 1987
GEN8Natural Gas Fired Combustion Turbine35.0November 1987
GEN9Natural Gas Steam Turbine15.0November 1987
IGTNatural Gas Fired Combustion Turbine12.0January 1969

Ownership and offtake

Pro
Pro

Ownership and offtake are part of Pro

Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Union Carbide Corp-Seadrift as the operator, which is not always the owner.

Modeled data

Pro

Pro adds modeled values for this plant. Everything above stays free.

Modeled

Generation potential vs reported

Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.

Analyst and MCP

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Power plants near Union Carbide Seadrift Cogen

Questions about Union Carbide Seadrift Cogen

How much power does Union Carbide Seadrift Cogen produce?

Union Carbide Seadrift Cogen reported 563,273 MWh (563 GWh) of net generation in 2025, a 38.3% capacity factor on 162 MW of nameplate capacity.

Where is Union Carbide Seadrift Cogen?

Union Carbide Seadrift Cogen is in Calhoun County, Texas, at 28.5105, −96.7706. It is in the Electric Reliability Council of Texas, Inc. balancing area (ERCO).

Who operates Union Carbide Seadrift Cogen?

EIA-860M for August 2026 lists Union Carbide Corp-Seadrift as the operator (EIA operator ID 19450). The operator is not always the owner.

When did Union Carbide Seadrift Cogen start operating?

Its first generator began operating in January 1964, according to EIA-860M.

Does InfraMap have power prices for Union Carbide Seadrift Cogen?

Yes. InfraMap has ERCOT day-ahead and real-time prices at 1 price node linked to Union Carbide Seadrift Cogen, with the hub price and node-to-hub basis. Prices are free with an InfraMap account; pricing node names are part of InfraMap Pro.

Sources

  • EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
  • EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
  • ERCOT day-ahead and real-time prices; node and hub assignments as of 2026-10-05

Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page