Cedar Bayou 4

Cedar Bayou 4 is a 536 MW natural gas power plant in Chambers County, Texas, operated by NRG Cedar Bayou Development Company LLC. EIA-860M lists 3 generating units here, inside ERCOT. Its units entered service in 2009.

As of 2026-07 (inventory dated 2026-07-31) · EIA-860M Preliminary Monthly Electric Generator Inventory · eia.gov/…/july_generator2026.xlsx · eia.gov/…/eia860m

Nameplate capacity
535.5 MW
504 MW net summer
Generating units
3
In service
2009
EIA plant ID
56806

Where it is

Loading map…
County
Chambers County, Texas
Coordinates
29.7516, -94.9231
Balancing authority
ERCO
Sector
IPP Non-CHP

Units, technology and status

Operator of record
NRG Cedar Bayou Development Company LLC
Primary energy source
Natural gas
Technologies
Natural Gas Fired Combined Cycle
Status
Operating

Every plant NRG Cedar Bayou Development Company LLC reports to EIA →

Cedar Bayou 4: FAQ

Where is Cedar Bayou 4?
In Chambers County, Texas (TX). The map on this page is placed at the coordinates EIA files for the plant, which locate the site rather than any individual unit.
How big is Cedar Bayou 4?
536 MW of nameplate capacity across 3 units, as of the EIA-860M release for 2026-07.
Who owns Cedar Bayou 4?
EIA-860M names NRG Cedar Bayou Development Company LLC as the reporting entity. That is the operator of record on the survey, which is not always the ultimate owner.
Is this the same as Cedar Bayou 4 LLC?
Probably, but EIA-860M does not say. The survey records a plant name and a reporting entity — NRG Cedar Bayou Development Company LLC here — not the project company that holds the asset. Project companies are commonly registered as an LLC carrying the plant's name, so a search for "Cedar Bayou 4 LLC" usually means this site. This page shows only what EIA files, and does not assert a corporate structure it cannot see.
Is Cedar Bayou 4 still running?
EIA-860M files it as "Operating" for 2026-07. Statuses change monthly, and this page follows the monthly release.