CEDAR BAYOU
OperatingNatural Gas power plant
- Capacity
- 1,530 MW
- Primary fuel
- Natural Gas
- County
- Chambers County
- Operator
- NRG TEXAS POWER LLC
- Status
- Operating
- Commissioned
- 1970
- EIA plant ID
- 3460
- Generators
- 2
- Technology
- Natural Gas Steam Turbine
- Net generation (2024)
- 3,129 GWh
- Capacity factor (2024, EIA nameplate)
- 23%
- Data vintage
- EIA-860 2024 final; EIA-923 2022-2024 final
- Coordinates
- 29.7500, -94.9256
CEDAR BAYOU, a 1,530 MW Natural Gas power plant in Chambers County, Texas. Operated by NRG TEXAS POWER LLC, commissioned 1970.
How CEDAR BAYOU compares
With 1,530 MW of capacity, CEDAR BAYOU ranks 12th among the 307 operating power plants Bywatts maps in Texas and 4th of the 134 operating Natural Gas plants in the state. It accounts for about 2.3% of Texas's operating Natural Gas capacity and 1.5% of all operating capacity in the state. Nationally it is the 29th-largest of the 1,185 operating Natural Gas plants in the database. Commissioned in 1970, it is older than 83% of the 303 operating Texas plants with a recorded commissioning year. Its operator, NRG TEXAS POWER LLC, runs 6 operating plants in Texas totaling 9,170 MW. It shares Chambers County with 4 other operating plants, including BAYTOWN ENERGY CENTER and CEDAR BAYOU 4.
EIA-860 lists 2 generators at the site with 1,530 MW of nameplate capacity, all natural gas steam turbine technology. Net generation was 3,129 GWh in 2024 (a 23% capacity factor), up 9% from 2022. Its generators came online between 1970 and 1972.
Grid neighborhood
The closest transmission line found within 10 miles is a 138 kV line owned by CENTERPOINT ENERGY HOUSTON ELECTRIC, LLC, under 0.1 miles away. Another 20 operating power plants totaling 7,950 MW sit within 25 miles; the largest is DEER PARK ENERGY CENTER (996 MW, Natural Gas). Within 50 miles are 4 mapped data centers; the nearest is Netrality Houston - 1301 Fannin in Houston, about 26.4 miles away.
Computed by Bywatts from HIFLD power plant and transmission line records, EIA-860/923 survey data and PeeringDB data center locations; distances are straight-line. Sources and methodology
Weather peril exposure
CEDAR BAYOU is a 1,530 MW natural gas power plant in Chambers County, TX, operated by NRG TEXAS POWER LLC, commissioned in 1970. Chambers County carries elevated modeled catastrophe exposure in the FEMA National Risk Index, scoring 3.2 of 5 at the 55th national percentile. Hurricane is the leading peril, rated Relatively Moderate by FEMA at the 90th percentile.
The Bywatts loss layer is calibrated to solar PV hardware, so it is not applied to a natural gas plant. The ratings below are the FEMA National Risk Index county hazard ratings for this location.
Chambers County hazard ratings
| Peril | FEMA rating | National percentile | Peril score | Events per year |
|---|---|---|---|---|
| Hurricane | Relatively Moderate | 90th | 4.6 of 5 | 0.20 |
| Wildfire | Relatively Low | 85th | 4.4 of 5 | <0.01 |
| Tornado | Relatively Moderate | 71st | 3.9 of 5 | 0.67 |
| Coastal flooding | Relatively Low | 66th | 3.6 of 5 | 3.8 |
| Lightning | Relatively Moderate | 62nd | 3.5 of 5 | 75.1 |
| Heat wave | Relatively Low | 51st | 3.0 of 5 | 14.0 |
| Ice storm | Relatively Low | 50th | 3.0 of 5 | 0.71 |
| Riverine flooding | Relatively Low | 49th | 3.0 of 5 | 1.2 |
| Winter weather | Very Low | 47th | 2.9 of 5 | 0.79 |
| Hail | Very Low | 35th | 2.4 of 5 | 1.9 |
| Strong wind | Relatively Low | 18th | 1.7 of 5 | 1.1 |
| Earthquake | Very Low | 13th | 1.5 of 5 | <0.01 |
Model hail, wind and flood exposure for Chambers County in the weather risk calculator
Ratings are the FEMA National Risk Index county hazard ratings; the peril score is a Bywatts transform of the FEMA national percentile. Full data sources and the solar vulnerability methodology are in the weather risk calculator.
Modeled estimate for screening and negotiation. Built from FEMA National Risk Index county hazard data and a solar vulnerability layer documented above. Not a quote, a binder, or actuarial advice, and not a substitute for a carrier's own model. Hazard data: FEMA National Risk Index December 2025, synced 2026-07-24. Resolution is county level, not site level.