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168 MW Natural Gas Fired Combustion Turbine (117 MW) + Natural Gas Steam Turbine (51 MW) operating in Calhoun, TX — Electric Reliability Council of Texas, Inc.
168 MW
Nameplate Capacity
8
Generators
units
Hybrid (2)
Technology
Natural Gas Fired Combustion Turbine + Natural Gas Steam Turbine
1964
Operating Since
Coordinates
28.5105, -96.7706
County
Calhoun, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Union Carbide Corp-Seadrift | — | — |
| Owner(s) | Union Carbide Corp-Seadrift | — | — |
| Status | Operating | — | — |
The Union Carbide Seadrift Cogen plant is a 168 MW hybrid power plant located in Calhoun County, Texas. The plant, which began operating in 1964, is owned and operated by Union Carbide Corp-Seadrift. It utilizes both natural gas-fired combustion turbine and natural gas steam turbine technologies across its eight generators.
The plant operates within the Electric Reliability Council of Texas (ERCOT) balancing authority and the TRE NERC region. In the most recent year of data, the plant generated 638,901 MWh, achieving a capacity factor of 43.2%. Union Carbide Seadrift Cogen ranks as the 129th largest power plant in Texas out of 144, and 799th nationally out of 945 plants.
Generated from EIA, GEM, and public data sources
ISO/RTO
ERCOT
Market
ISO/RTO Member
NERC Region
TRE — Texas Reliability Entity
Balancing Authority
Electric Reliability Council of Texas, Inc. (ERCO)
Grid Voltage
69.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Industrial
Sector
Industrial CHP
46.9K MWh
Latest Month
638.9K MWh
Annual Generation
43.2%
Capacity Factor
CO₂ Intensity
803 lb/MWh
NOx
2 lb/MWh
SO₂
0.020 lb/MWh
CH₄
0.015 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
39.0%
Annual Net Gen
575 GWh
CO₂eq
804 lb/MWh
Subregion
ERCOT All
2013
$965/kW
Est. Construction Cost
Total estimated cost: $162.1M
Market Position
ISO/RTO Market
ERCOT
LMP Node
UCC_COG_PUN1
Pricing Hub
HB_SOUTH
Node Source
EIA-860 direct report
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