Optim Energy Altura Cogen LLC — United States of America
Gas power plant in Texas, United States of America. Approximate location 29.8161, -95.1077.
GasTexasUnited States of AmericaCCGT · HRSG
Optim Energy Altura Cogen LLC is a 643.6 MW gas power station in Texas, United States of America. It is operated by Optim Energy LLC. Based on reported annual generation of 3,209 GWh, it can supply roughly 917k homes. It ranks #987 of 10,884 United States of America power plants by installed capacity. Commissioned in 1987, it is around 39 years old — long-established. In context, gas supplies about 40.0% of United States of America's electricity; the national grid averages 384 gCO₂/kWh (43.0% low-carbon) (2025).
Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0050815.
Data status
Known data
Calculated from dataset
Known, modelled and calculated values are kept separate. Missing fields are shown as unavailable.
Data provenance
Source of the capacity and fuel values:
capacity: GEM · 2026 · L100000402496; fuel: WRI GPPD
In context: how this plant compares
At 643.6 MW, Optim Energy Altura Cogen LLC is well above the median gas plant in United States of America (121.2 MW). Technically it is described as CCGT; combined-cycle with a heat-recovery steam generator (HRSG). Gas plants burn natural gas either in open-cycle turbines for fast peaking, or in combined-cycle units that recover exhaust heat in an HRSG to reach roughly 55–62% efficiency — the cleanest-burning fossil option.
Capacity comparison computed from the WRI Global Power Plant Database; fuel-type context is general engineering background.
Key facts
- Load factor
- 57%, from 3,209 GWh of reported generation; the median for 1622 gas plants in United States of America that report generation is 26%
- Generation trend
- 2,801 GWh in 2013 and 3,209 GWh in 2019 (+15%)
- Highest and lowest year
- 2019: 3,209 GWh; 2013: 2,801 GWh
- Share of United States of America gas capacity
- less than 0.1% of 789,950 MW across 2,165 plants in this dataset
- Age among peers
- 430 of 1,973 dated gas plants in United States of America are older
Calculated from the capacity and generation records in this dataset (WRI Global Power Plant Database (CC BY 4.0)).
Reported generation trend
Annual generation (GWh), WRI Global Power Plant Database (CC BY 4.0).
Owner
Operated by Optim Energy LLC.
Local climate & thermal context
This gas plant burns natural gas in a turbine — often in a combined-cycle setup — to generate electricity. It sits in a humid subtropical climate (Köppen Cfa) — Northern Hemisphere, latitude 29.8°N — which shapes how much energy it can produce and how its output varies through the year.
Monthly mean temperature
Heating degree-days here run 77% below the median power plant in this dataset — a proxy for how much extra energy heated equipment must replace through its surfaces in winter.
Climate heat-demand index: 21/100 — this site sits in the bottom third of the power plants we cover by heating degree-days.
A gas turbine here also runs ~4% below its ISO (15°C) rating at this annual mean (typical CCGT curve, estimate).
Climate normals: WorldClim 2.1 (1970–2000 monthly normals, 10 arc-min, CC BY 4.0); zone: Köppen-Geiger world climate classification (Kottek et al. 2006, 0.5° grid). Degree-days & heat-demand index computed by PowerAtlas — a modelled heat-demand proxy, not a measured site figure.
Site climate & environmental severity
This site sits in a corrosive environment (estimated ISO 9223 class C4 — High), with humidity / wetness the leading environmental stress.
Indicative estimate via the ISO 9223:2012 informative method (atmospheric corrosivity from temperature, time-of-wetness and airborne salinity), using WorldClim climate normals, the Köppen-Geiger class and coast distance. Indicative, not a measured corrosion rate.
How it compares & nearby plants
The #450 largest gas power plant of 2165 in United States of America by capacity.
United States of America has 2165 gas power plants in this dataset, together about 789,950 MW of capacity.
Nearby power plants
- Channelview Cogeneration Plant · Gas · 918.3 MW · Texas
- Chamon Power LLC · Gas · 122 MW · Texas
- Remy Jade Power Station · Gas · 484 MW · Texas
- Houston Chemical Complex Battleground · Gas · 380.7 MW · Texas
- Shell Deer Park · Gas · 274 MW · Texas
- Greens Bayou · Gas · 432 MW · Texas
Location
Coordinates 29.8161, -95.1077 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.
Frequently asked questions
What type of power plant is Optim Energy Altura Cogen LLC?
Optim Energy Altura Cogen LLC is a 643.6 MW gas power plant in Texas, United States of America, commissioned in 1987.
How much electricity does Optim Energy Altura Cogen LLC generate?
Optim Energy Altura Cogen LLC generates about 3,209 GWh of electricity per year.
Who operates Optim Energy Altura Cogen LLC?
Optim Energy Altura Cogen LLC is operated by Optim Energy LLC.