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450 MW Natural Gas operating in Galveston, TX — Electric Reliability Council of Texas, Inc.
450 MW
Nameplate Capacity
4
Generators
units
Natural Gas Fired Combined Cycle
Technology
1987
Operating Since
Coordinates
29.3787, -94.9438
County
Galveston, TX
Nearby Plants
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | Texas City Cogeneration LLC | Texas City Cogeneration | — |
| Owner(s) | Texas City Cogeneration LLC | Constellation Energy | Calpine |
| Status | Operating | — | — |
The Texas City Power Plant is a 450 MW natural gas-fired combined cycle facility located in Galveston County, Texas. The plant began operating in 1987 and consists of 4 generators. It is owned by Constellation Energy and operated by Texas City Cogeneration LLC. The plant is interconnected to the Electric Reliability Council of Texas (ERCOT) grid and falls within the TRE NERC region.
In the most recent year of reported data, the Texas City Power Plant generated 1,772,641 MWh of electricity, achieving a capacity factor of 44.9%. The plant ranks 88th in size among Texas power plants (out of 144 total) and 518th nationally (out of 945 total).
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
138.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP CHP
127.6K MWh
Latest Month
1.8M MWh
Annual Generation
44.9%
Capacity Factor
CO₂ Intensity
690 lb/MWh
NOx
0.339 lb/MWh
SO₂
0.003 lb/MWh
CH₄
0.013 lb/MWh
N₂O
0.001 lb/MWh
Capacity Factor
52.2%
Annual Net Gen
2059 GWh
CO₂eq
691 lb/MWh
Subregion
ERCOT All
2013
$965/kW
Est. Construction Cost
Total estimated cost: $434.3M
Market Position
ISO/RTO Market
ERCOT
LMP Node
TXCTY_CC1
Pricing Hub
HB_HOUSTON
Alt. Hub / Zone
LZ_HOUSTON
Location Type
Resource Node
Node Source
EIA-860 direct report
Last updated 2026-03-26
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