Greens Bayou — Plant Summary
- EIA Plant ID
- 3464
- Capacity
- 432 MW
- Primary Fuel
- Natural Gas
- Technology
- Natural Gas Fired Combustion Turbine
- Status
- Operating
- Location
- Harris, TX
- Operating Since
- 1976
- Generators
- 6
- Operator
- NRG Texas Power LLC
- Parent Company
- NRG Energy
- Annual Generation
- 37,072.01 MWh
- Capacity Factor
- 1.0%
- Balancing Authority
- Electric Reliability Council of Texas, Inc.
- ISO/RTO
- ERCOT
- NERC Region
- TRE
Greens Bayou
OperatingNatural Gas
Ranked #92 of 313 Natural Gas plants in TX#524 of 2009 nationally
432 MW Natural Gas operating in Harris, TX — Electric Reliability Council of Texas, Inc.
EIAWD
432 MW
Nameplate Capacity
6
Generators
units
Natural Gas Fired Combustion Turbine
Technology
1976
Operating Since
Location
Coordinates
29.8222, -95.2194
County
Harris, TX
Nearby Plants
- TX Houston 7080 Express LaneSolar1.9 MW · 2.7 km
- WAL3500Natural Gas1.2 MW · 5.5 km
- Rentech Nitrogen Pasadena CogenerationWaste Heat15.4 MW · 9.4 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
Greens Bayou is a 432 MW natural gas-fired power plant located in Harris County, Texas. The plant began operating in 1976 and consists of six natural gas-fired combustion turbine generators. It is owned by NRG Energy and operated by NRG Texas Power LLC. Greens Bayou operates within the Electric Reliability Council of Texas (ERCOT) balancing authority and the TRE NERC region.
In the most recent year with available data, Greens Bayou generated 37,072 MWh of electricity, resulting in a capacity factor of 1.0%. The plant ranks 92nd out of 144 power plants in Texas and 526th out of 945 plants nationally.
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
Interconnection Queue1 projectBeta
NRG Greens Bayou 6
OperationalGas445 MWERCOT
Generation
0 MWh
Latest Month
37.1K MWh
Annual Generation
1.0%
Capacity Factor
Jan 2022 – Dec 2024
Financial Data
No financial data available for this plant.
Pricing & Market Data
HIGH confidencePoint of Interconnection
Nearest Substation
Greens Bayou 69kV Substation · 69 kV
Substation Distance
< 10 km
Operator
CenterPoint Energy
Coord Source
OSM spatial
Market Position
ISO/RTO Market
ERCOT
LMP Node
GBY_GT
Pricing Hub
HB_HOUSTON
Secondary Zone
LZ_HOUSTON
Location Type
Resource Node
Node Source
EIA-860 direct report
News & Articles (10)Beta
Grid·capacity addition
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.
NRG Energy (operator)
Houston Public Media·3 weeks ago
Grid·capacity addition
Governor Greg Abbott announces $617 million investment by NRG in northeast Houston's Greens Bayou plant
HOUSTON, Texas -- NRG Energy will erect a new natural gas facility at its Greens Bayou plant in northeast Houston, Governor Abbott said on...
Greg Abbott (other)NRG Energy (operator)
ABC13 Houston·3 weeks ago
Grid·capacity addition
$617M NRG Energy power plant moves forward at Greens Bayou site, state says
The project is intended to strengthen grid reliability and create jobs, crediting state leaders and local partners for helping move the plan...
NRG Energy (operator)
Community Impact | News·3 weeks ago
Grid·capacity addition
Gov. Abbott announces new NRG power plant to be located near Houston’s Greens Bayou
NRG Energy to build a $617M natural gas power plant in Texas to enhance energy infrastructure and meet rising energy demand by 2028.
Greg Abbott (other)NRG Energy (operator)
CW39 Houston·3 weeks ago
Last updated 2026-03-14
View all 10 articles