Oyster Creek Unit VIII — United States of America
Gas power plant in Texas, United States of America. Approximate location 28.9802, -95.342.
GasTexasUnited States of AmericaCCGT · HRSGCO₂ modelled
Oyster Creek Unit VIII is a 497.9 MW gas power station in Texas, United States of America. It is operated by Dow Chemical Company-Oyster Creek VIII. Based on reported annual generation of 2,597 GWh, it can supply roughly 742k homes. It ranks #1231 of 10,884 United States of America power plants by installed capacity. Commissioned in 1994, it is around 32 years old — long-established. Its modelled annual emissions are 516,770 t CO₂/yr (Climate TRACE), equivalent to about 120k cars driven for a year. 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 USA0054676.
Data status
Known data
Modelled source 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 · L100000401670; fuel: WRI GPPD
In context: how this plant compares
At 497.9 MW, Oyster Creek Unit VIII 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.
~516,770 t CO₂/yr (modelled) — in everyday terms
This facility's annual emissions are roughly equivalent to:
Equivalencies via US EPA Greenhouse Gas Equivalencies; modelled emissions from Climate TRACE.
Key facts
- Load factor
- 60%, from 2,597 GWh of reported generation; the median for 1622 gas plants in United States of America that report generation is 26%
- Generation trend
- 2,340 GWh in 2013 and 2,597 GWh in 2019 (+11%)
- Highest and lowest year
- 2019: 2,597 GWh; 2014: 2,166 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
- 677 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 Dow Chemical Company-Oyster Creek VIII.
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 29.0°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 81% 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: 20/100 — 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 an aggressive, high-corrosion environment (estimated ISO 9223 class C5 — Very high), with marine salt corrosion 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 #595 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
- Freeport LP Pretreatment Facility · Gas · 87 MW · Texas
- Freeport Plant · Coal · 400 MW · Texas
- Freeport Energy Center · Gas · 260 MW · Texas
- BASF Freeport Works · Gas · 81 MW · Texas
- Freeport Energy · Gas · 678.1 MW · Texas
- Mark One Power Station · Gas · 488 MW · Texas
Location
Coordinates 28.9802, -95.342 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.
Frequently asked questions
What type of power plant is Oyster Creek Unit VIII?
Oyster Creek Unit VIII is a 497.9 MW gas power plant in Texas, United States of America, commissioned in 1994.
How much electricity does Oyster Creek Unit VIII generate?
Oyster Creek Unit VIII generates about 2,597 GWh of electricity per year.
Who operates Oyster Creek Unit VIII?
Oyster Creek Unit VIII is operated by Dow Chemical Company-Oyster Creek VIII.
How much CO₂ does Oyster Creek Unit VIII emit?
Oyster Creek Unit VIII has modelled emissions of about 516,770 tonnes of CO₂ per year (Climate TRACE).