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535.5 MW Natural Gas operating in Chambers, TX
535.5 MW
Nameplate Capacity
3
Generators
units
Natural Gas Fired Combined Cycle
Technology
2009
Operating Since
Coordinates
29.7516, -94.9231
County
Chambers, TX
Nearby Plants
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| Field | EIA | GEM | Wikidata |
|---|---|---|---|
| Operator | NRG Cedar Bayou Development Company LLC | NRG Cedar Bayou Development Company | — |
| Owner(s) | NRG Cedar Bayou Development Company LLC, OE Holdings, LLC | NRG Energy | — |
| Status | Operating | — | — |
Cedar Bayou 4 is a 535.5 MW natural gas-fired combined cycle power plant located in Chambers County, Texas. The plant began operating in 2009 and consists of 3 generators. It is owned by NRG Energy and operated by NRG Cedar Bayou Development Company LLC. The plant is located within the Electric Reliability Council of Texas (ERCOT) balancing authority.
In the most recent year of data, Cedar Bayou 4 generated 2,266,071 MWh of electricity, achieving a capacity factor of 48.0%. The plant ranks 72nd out of 144 power plants in Texas and 466th out of 945 plants nationally.
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
345.0 kV
Regulatory Status
NR — Non-Regulated
Entity Type
Independent Power Producer
Sector
IPP Non-CHP
Monthly net generation as reported to EIA-923 — useful for historical context. Confidence varies sharply by fuel type; the band above and the “About this data” button explain the caveats specific to this plant and how InfraSure’s in-house model handles them.
96.8K MWh
Latest Month
2.3M MWh
Annual Generation
48.0%
Capacity Factor
Forward-looking generation outlook with probabilistic ranges across weather, demand, and policy scenarios. Powered by InfraSure's generation modeling stack.
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CO₂ Intensity
785 lb/MWh
NOx
0.072 lb/MWh
SO₂
0.004 lb/MWh
CH₄
0.017 lb/MWh
N₂O
0.002 lb/MWh
Capacity Factor
40.6%
Annual Net Gen
1905 GWh
CO₂eq
786 lb/MWh
Subregion
ERCOT All
2013
$965/kW
Est. Construction Cost
Total estimated cost: $516.8M
Forward revenue, DSCR bands, and refinancing risk projected under price, demand, and policy scenarios. Powered by InfraSure's asset cashflow stack.
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Market Position
ISO/RTO Market
ERCOT
LMP Node
CBY4_CC1
Pricing Hub
HB_HOUSTON
Location Type
Resource Node
Node Source
EIA-860 direct report
No wholesale contracts disclosed in FERC EQR for this plant.
FERC EQR captures bilateral wholesale energy + capacity contracts ≥$1M/yr filed quarterly by jurisdictional sellers — covers renewable PPAs, thermal energy sales agreements, capacity contracts, and tolling agreements alike. Many plants don't appear: regulated-utility output flows to ratepayers via cost-of-service rather than bilateral contracts; small projects fall below the filing threshold; tax-equity-financed renewables route offtake to investors not utilities; merchant plants sell into ISO clearing markets without bilateral contracts. News-extracted buyer facts (below) may surface contracts disclosed only through announcements.
Last updated 2026-05-31
View all articlesForward forecasts, scenario decomposition, and risk-decision tooling for this asset.