Cedar Bayou
Chambers County, Texas · EIA plant ID 3460 · Operator: NRG Texas Power LLC
Nameplate1,530MWSummer 1,495 MW
Generators2in service
Net generation3,218GWh12 mo to Aug 2026
Capacity factor25%gas/coal/oil units, summer MW
Heat rate10,904Btu/kWhfossil units, electric fuel, HHV
First online1970Runs as peaking
The 12-month figures include preliminary EIA-923 months, which EIA revises. Final data runs through Dec 2025.
Monthly net generation
EIA-923, all units at the plant. Net of station use; storage can go negative.
FinalPreliminary
Capacity factor by year
Net MWh ÷ (summer MW × hours), gas/coal/oil units. Each year uses that year's EIA-860 ratings; the hollow dot is the latest 12 months.
Heat rate by year
Electric fuel MMBtu × 1000 ÷ net MWh (Btu/kWh, HHV), fossil units only; CT + CA counted as one combined-cycle block.
Annual data table
| Year | Net GWh | Capacity factor | Heat rate (Btu/kWh) |
|---|---|---|---|
| 2001 | 5,306.3 | 26.8% | 10,742 |
| 2002 | 3,584.6 | 17.6% | 11,518 |
| 2003 | 3,542.6 | 17.9% | 11,334 |
| 2004 | 3,287.6 | 16.6% | 11,460 |
| 2005 | 2,119.4 | 10.7% | 11,256 |
| 2006 | 2,793.4 | 14.1% | 11,148 |
| 2007 | 1,866.8 | 11.4% | 11,264 |
| 2008 | 1,837.7 | 14.0% | 11,435 |
| 2009 | 1,414.5 | 10.8% | 11,172 |
| 2010 | 1,114.1 | 8.5% | 11,471 |
| 2011 | 1,920.1 | 14.7% | 11,203 |
| 2012 | 1,234.5 | 9.4% | 11,279 |
| 2013 | 1,232.3 | 9.4% | 11,374 |
| 2014 | 1,313.9 | 10.0% | 11,440 |
| 2015 | 2,342.9 | 17.9% | 11,206 |
| 2016 | 1,447.1 | 11.0% | 11,079 |
| 2017 | 1,692.5 | 12.9% | 11,373 |
| 2018 | 1,437.8 | 11.0% | 11,252 |
| 2019 | 2,185.5 | 16.7% | 10,876 |
| 2020 | 1,908.4 | 14.5% | 11,351 |
| 2021 | 2,765.9 | 21.1% | 11,647 |
| 2022 | 2,870.9 | 21.9% | 11,234 |
| 2023 | 2,940.3 | 22.5% | 11,216 |
| 2024 | 3,128.7 | 23.8% | 11,043 |
| 2025 | 1,642.5 | 12.5% | 11,292 |
Generators
EIA-860 (annual) with EIA-860M updates through Sep 2026. EIA-923 reports generation by plant, prime mover and fuel, not by unit, so unit-level output isn't shown.
| Gen ID | Technology | Prime mover | Nameplate MW | Summer MW | Online | Status | Planned retirement | OEM / model |
|---|---|---|---|---|---|---|---|---|
| 1 | Natural Gas Steam Turbine | ST | 765 | 746 | Dec 1970 | Operating | — | coming soon |
| 2 | Natural Gas Steam Turbine | ST | 765 | 749 | Mar 1972 | Operating | — | coming soon |
| 4 | — | CA | 178.5 | 172 | planned Jul 2009 | not_current | — | coming soon |
| 41 | — | CT | 178.5 | 165 | planned Jul 2009 | not_current | — | coming soon |
| 42 | — | CT | 178.5 | 165 | planned Jul 2009 | not_current | — | coming soon |
| 3 | Natural Gas Steam Turbine | ST | 765 | 760 | Dec 1974 | Retired Jul 2007 | — | coming soon |
Owner / operator
Operator: NRG Texas Power LLC. Ownership shares by in-service nameplate MW (EIA-860 Schedule 4; units not listed there are wholly owned by the operator).
| NRG Texas Power LLC | 100.0% | 1,530 MW |
Nearby plants
Within 80 km.
| Cedar Bayou 4 | 536 MW | 0.3 km |
| Cedar Bayou 5 | — | 0.4 km |
| Baytown Energy Center | 933 MW | 3.4 km |
| WAL194 | 1 MW | 5.5 km |
| ExxonMobil Baytown Refinery | 209 MW | 6.9 km |
| WAL2439 | 1 MW | 7.9 km |