Cedar Bayou — Plant Summary
- EIA Plant ID
- 3460
- Capacity
- 1530 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Steam Turbine
- Status
- Operating
- Location
- Chambers, TX
- Operating Since
- 1970
- Generators
- 2
- Operator
- NRG Texas Power LLC
- Parent Company
- NRG Energy
- Annual Generation
- 1,643,378 MWh
- Capacity Factor
- 12.2%
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
Cedar Bayou
OperatingNatural Gas
Ranked #5 of 313 Natural Gas plants in TX#52 of 2009 nationally
1530 MW Natural Gas operating in Chambers, TX — Electric Reliability Council of Texas, Inc.
EIAWD
1,530 MW
Nameplate Capacity
2
Generators
units
Natural Gas Steam Turbine
Technology
1970
Operating Since
Location
Coordinates
29.7500, -94.9256
County
Chambers, TX
Nearby Plants
- Cedar Bayou 4Natural Gas535.5 MW · 0.3 km
- Cedar Bayou 5Natural Gas721 MW · 0.4 km
- Baytown Energy CenterNatural Gas932.9 MW · 3.4 km
Ownership & Operator
| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | NRG Texas Power LLC | NRG Texas Power | — |
| Owner(s) | NRG Texas Power LLC | NRG Energy | — |
| Status | Operating | — | — |
Ownership Chain
About
Cedar Bayou is a 1,530 MW natural gas-fired power plant located in Chambers County, Texas. The plant began operating in 1970 and consists of two natural gas steam turbine generators. It is owned by NRG Energy and operated by NRG Texas Power LLC. Cedar Bayou 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, Cedar Bayou generated 1,643,378 MWh of electricity, achieving a capacity factor of 12.2%. The plant is a significant power producer in Texas, ranking as the 6th largest out of 144 power plants in the state and 57th largest nationally out of 945 plants.
Generated from EIA, GEM, and public data sources
Engineering & Generators
Grid Context
NERC Region
TRE
Balancing Authority
Electric Reliability Council of Texas, Inc.
Grid Voltage
138 kV
Regulatory Status
NR
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Generation
93.0K MWh
Latest Month
1.6M MWh
Annual Generation
12.2%
Capacity Factor
Jan 2023 – Dec 2025
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Cedar Bayou Plant Substation · 345 kV
Substation Distance
< 10 km
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
CBY_CBY_G1
Pricing Hub
HB_HOUSTON
Secondary Zone
LZ_HOUSTON
Location Type
Resource Node
Node Source
EIA-860 direct report
News & Articles (10)Beta
General
Governor Abbott Announces $617 Million NRG Energy Expansion in Houston
Texas Border Business. - Advertisement -. AUSTIN — Governor Greg Abbott announced that an NRG Energy, Inc. (NRG) electric power generation...
Texas Border Business·4 weeks ago
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NRG Energy to expand power plant complex in northeast Harris County
The company plans to build another natural gas facility that will power about 110000 homes once it is completed.
Houston Public Media·4 weeks ago
General
NRG Energy to build $617M power plant in Harris County, Governor Abbott announces
A $617 million investment is coming to Harris County as NRG Energy plans a new 455-megawatt natural gas plant at its Greens Bayou facility...
Click2Houston·4 weeks ago
General
Texas Boosts Power Grid: Gov. Abbott Announces NRG's $617M Natural Gas Plant In Harris County
Texas Gov. Greg Abbott announced NRG Energy's plans to build $617 million natural gas power plant in Harris County.
Dallas Express·4 weeks ago
Last updated 2026-03-26
View all 10 articles