Pasadena Cogeneration
Natural gas power plant in Harris County, Texas. 815 MW of nameplate capacity across 5 generators, operated by Pasadena Cogeneration LP.
Also known as Pasadena Power Plant · EIA plant 55047
Analyst: free account, 1 question a day.
Key facts
- Capacity
- 815 MWNameplate
- Generators
- 5 operatingEIA-860M, August 2026
- Operating since
- June 1998First generator online
- Operator
- Pasadena Cogeneration LPEIA operator ID 11059
- Grid
- ERCOTBalancing authority ERCO
- Price nodes
- None linkedNo verified ISO node
- Location
- Harris County, TX29.7248, −95.1765
- EIA plant ID
- 55047EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Pasadena Cogeneration produces
Free · EIA-923Net generation, 2025
5.09 TWh
5,087,991 MWh, final
Capacity factor, 2025
71.3%
2024: 69.0%
January to July 2026
2.85 TWh
Provisional
Range, 2015 to 2025
3.8–5.1
TWh a year. Low 2022, high 2025
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 2,407,210 | Not reported | 12 of 12 |
| 2001 | 4,679,638 | Not reported | 12 of 12 |
| 2002 | 4,921,397 | Not reported | 12 of 12 |
| 2003 | 4,063,391 | Not reported | 12 of 12 |
| 2004 | 3,714,064 | Not reported | 12 of 12 |
| 2005 | 2,907,525 | Not reported | 12 of 12 |
| 2006 | 2,541,752 | Not reported | 12 of 12 |
| 2007 | 3,599,091 | Not reported | 12 of 12 |
| 2008 | 2,945,108 | Not reported | 10 of 12 |
| 2009 | 2,927,827 | Not reported | 12 of 12 |
| 2010 | 2,776,297 | Not reported | 12 of 12 |
| 2011 | 1,447,987 | Not reported | 4 of 12 |
| 2012 | 4,636,293 | 64.8% | 12 of 12 |
| 2013 | 3,999,197 | Not reported | 12 of 12 |
| 2014 | 1,028,207 | 43.8% | 4 of 12 |
| 2015 | 4,731,147 | 66.3% | 12 of 12 |
| 2016 | 4,840,544 | 67.6% | 12 of 12 |
| 2017 | 4,042,848 | 56.6% | 12 of 12 |
| 2018 | 3,957,181 | Not reported | 12 of 12 |
| 2019 | 4,255,293 | 59.6% | 12 of 12 |
| 2020 | 3,821,780 | 53.4% | 12 of 12 |
| 2021 | 3,440,527 | 52.5% | 11 of 12 |
| 2022 | 3,801,823 | 53.3% | 12 of 12 |
| 2023 | 4,666,808 | 65.4% | 12 of 12 |
| 2024 | 4,941,991 | 69.0% | 12 of 12 |
| 2025 | 5,087,991 | 71.3% | 12 of 12 |
| 2026 (provisional, partial year) | 2,846,986 | 68.7% | 7 of 7 |
* 2026 covers January to July and is provisional. Capacity factor is net generation divided by nameplate capacity times the hours of each reported month.
Power prices and basis
Free accountNo verified ISO price node is linked to this plant, or its price history could not load.
Emissions
Free · EPA CAMPDCO₂, 2025
2.23M
US short tons. 2024: 2.17M
SO₂, 2025
11
US short tons
NOx, 2025
441
US short tons
CO₂ per MWh, calculated
0.44 t
About 877 lb per MWh
3 of 3 EPA units reported CO₂ in 2025 (CG-1, CG-2, CG-3), matched to EIA plant 55047 through the EPA–EIA crosswalk. The per-MWh rate is EPA CO₂ divided by EIA-923 net generation. The two reporting boundaries can differ.
Water use
Free · EIA-923 cooling, USGSWithdrawal, 2024
1,468
million gallons
Consumption, 2024
1,175
million gallons
Source
Coastal Water Authority
Surface, Fresh. Induced-draft tower
Watershed stress
Very low/none · 0.191
USGS SUI, HUC12 Vince Bayou-Buffalo Bayou
24 of 24 cooling months report withdrawal. SUI of the HUC12 containing the plant. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| CTG1 | Natural Gas Fired Combined Cycle | 175.0 | June 1998 |
| CTG2 | Natural Gas Fired Combined Cycle | 185.0 | June 2000 |
| CTG3 | Natural Gas Fired Combined Cycle | 185.0 | June 2000 |
| STG1 | Natural Gas Fired Combined Cycle | 85.0 | June 1998 |
| STG2 | Natural Gas Fired Combined Cycle | 185.0 | June 2000 |
Ownership and offtake
ProOwnership and offtake are part of Pro
Owners and their shares, parent companies, and power purchase agreements with their buyers. EIA-860M lists Pasadena Cogeneration LP as the operator, which is not always the owner.
Modeled data
ProPro adds modeled values for this plant. Everything above stays free.
Generation potential vs reported
Monthly potential at seasonal net capability, next to EIA-923 output. Shows how much of the plant's capability was used.
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Questions about Pasadena Cogeneration
How much power does Pasadena Cogeneration produce?
Pasadena Cogeneration reported 5,087,991 MWh (5.09 TWh) of net generation in 2025, a 71.3% capacity factor on 815 MW of nameplate capacity. From January to July 2026 it reported 2.85 TWh, which is provisional.
Where is Pasadena Cogeneration?
Pasadena Cogeneration is in Harris County, Texas, at 29.7248, −95.1765. It is in the Electric Reliability Council of Texas, Inc. balancing area (ERCO).
Who operates Pasadena Cogeneration?
EIA-860M for August 2026 lists Pasadena Cogeneration LP as the operator (EIA operator ID 11059). The operator is not always the owner.
When did Pasadena Cogeneration start operating?
Its first generator began operating in June 1998, according to EIA-860M.
Sources
- EIA-860 2025 (final) and EIA-860M August 2026: plant, generators, capacity, operator and location
- EIA-923 monthly net generation, 2000 to July 2026 (2026 provisional)
- EPA CAMPD annual emissions through the EPA–EIA crosswalk, 1995 to 2025
- EIA-923 cooling water 2024 and the USGS surface water supply and use index, Water years 2010-2020 (Oct 2009 to Sep 2020), mean of monthly values
- Plant names from OpenStreetMap, © OpenStreetMap contributors (ODbL)
Page updated 2026-10-04 from the InfraMap data build. Methodology · Data sources · EIA plant page