Odyssey Energy Altura Cogen, LLC
Natural gas power plant in Harris County, Texas. 643.6 MW of nameplate capacity across 7 generators, operated by Odyssey Operating Services.
Also known as Odyssey Energy Altura Cogen · EIA plant 50815
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Key facts
- Capacity
- 643.6 MWNameplate
- Generators
- 7 operatingEIA-860M, August 2026
- Operating since
- November 1985First generator online
- Operator
- Odyssey Operating ServicesEIA operator ID 55879
- Grid
- ERCOTBalancing authority ERCO
- Price nodes
- None linkedNo verified ISO node
- Location
- Harris County, TX29.8161, −95.1077
- EIA plant ID
- 50815EIA plant page
Data as of EIA-860M August 2026 (published 2026-09-24). Capacity is nameplate, not live output.
How much power Odyssey Energy Altura Cogen produces
Free · EIA-923Net generation, 2025
3.44 TWh
3,444,109 MWh, final
Capacity factor, 2025
61.1%
2024: 62.6%
January to July 2026
2.07 TWh
Provisional
Range, 2015 to 2025
2.9–3.6
TWh a year. Low 2016, high 2023
| Year | Net generation, MWh | Capacity factor | Months reported |
|---|---|---|---|
| 2000 | 3,971,741 | Not reported | 12 of 12 |
| 2001 | 3,719,965 | Not reported | 12 of 12 |
| 2002 | 3,414,072 | Not reported | 12 of 12 |
| 2003 | 3,016,926 | Not reported | 12 of 12 |
| 2004 | 3,025,394 | Not reported | 12 of 12 |
| 2005 | 3,091,736 | Not reported | 12 of 12 |
| 2006 | 2,765,563 | Not reported | 12 of 12 |
| 2007 | 3,003,976 | Not reported | 12 of 12 |
| 2008 | 2,869,872 | Not reported | 12 of 12 |
| 2009 | 2,805,828 | Not reported | 12 of 12 |
| 2010 | 2,907,079 | 51.6% | 12 of 12 |
| 2011 | 2,944,785 | 52.2% | 12 of 12 |
| 2012 | 2,794,319 | 49.4% | 12 of 12 |
| 2013 | 2,801,345 | Not reported | 12 of 12 |
| 2014 | 2,988,908 | 53.0% | 12 of 12 |
| 2015 | 3,091,354 | 54.8% | 12 of 12 |
| 2016 | 2,937,926 | 52.0% | 12 of 12 |
| 2017 | 2,984,536 | 52.9% | 12 of 12 |
| 2018 | 2,990,075 | 53.0% | 12 of 12 |
| 2019 | 3,209,121 | 56.9% | 12 of 12 |
| 2020 | 3,341,933 | 59.1% | 12 of 12 |
| 2021 | 3,248,923 | 57.6% | 12 of 12 |
| 2022 | 3,190,253 | 56.6% | 12 of 12 |
| 2023 | 3,647,597 | 64.7% | 12 of 12 |
| 2024 | 3,540,717 | 62.6% | 12 of 12 |
| 2025 | 3,444,109 | 61.1% | 12 of 12 |
| 2026 (provisional, partial year) | 2,071,733 | Not reported | 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
2.24M
US short tons. 2024: 2.29M
SO₂, 2025
11
US short tons
NOx, 2025
343
US short tons
CO₂ per MWh, calculated
0.65 t
About 1,301 lb per MWh
6 of 6 EPA units reported CO₂ in 2025 (ENG101, ENG201, ENG301, ENG401, ENG501, ENG601), matched to EIA plant 50815 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
518
million gallons
Consumption, 2024
456
million gallons
Source
San Jacinto River Basin
Surface, Fresh. Induced-draft tower
Watershed stress
Very low/none · 0.193
USGS SUI, HUC12 Highlands Reservoir-San Jacinto River
12 of 12 cooling months report withdrawal. SUI of the source river HUC12 within 3 km. Blank volumes are unreported, not zero.
Generators
Free · EIA-860M| Generator | Technology | Nameplate MW | Online since |
|---|---|---|---|
| GEN1 | Natural Gas Fired Combined Cycle | 84.9 | November 1985 |
| GEN2 | Natural Gas Fired Combined Cycle | 84.9 | December 1985 |
| GEN3 | Natural Gas Fired Combined Cycle | 84.9 | December 1985 |
| GEN4 | Natural Gas Fired Combined Cycle | 84.9 | March 1986 |
| GEN5 | Natural Gas Fired Combined Cycle | 84.9 | April 1986 |
| GEN6 | Natural Gas Fired Combined Cycle | 129.2 | April 1986 |
| GEN7 | Natural Gas Fired Combined Cycle | 89.9 | June 1995 |
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 Odyssey Operating Services 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 Odyssey Energy Altura Cogen
How much power does Odyssey Energy Altura Cogen, LLC produce?
Odyssey Energy Altura Cogen, LLC reported 3,444,109 MWh (3.44 TWh) of net generation in 2025, a 61.1% capacity factor on 643.6 MW of nameplate capacity. From January to July 2026 it reported 2.07 TWh, which is provisional.
Where is Odyssey Energy Altura Cogen, LLC?
Odyssey Energy Altura Cogen, LLC is in Harris County, Texas, at 29.8161, −95.1077. It is in the Electric Reliability Council of Texas, Inc. balancing area (ERCO).
Who operates Odyssey Energy Altura Cogen, LLC?
EIA-860M for August 2026 lists Odyssey Operating Services as the operator (EIA operator ID 55879). The operator is not always the owner.
When did Odyssey Energy Altura Cogen, LLC start operating?
Its first generator began operating in November 1985, 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