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Lake Charles Polymers — United States of America

Gas power plant in Louisiana, United States of America. Approximate location 30.1966, -93.322.

GasLouisianaUnited States of America

Lake Charles Polymers is a 31.1 MW gas power plant in Louisiana, United States of America. It is operated by Equistar Chemicals LP. Based on reported annual generation of 165 GWh, it can supply roughly 47k homes. It ranks #4190 of 10,884 United States of America power plants by installed capacity. Commissioned in 2011, it is around 15 years old — relatively modern. 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).

31.1MW installed capacity
165GWh reported / yr
47,228homes powered
2011commissioned (~15 yrs)

Plant data: WRI Global Power Plant Database (CC BY 4.0), id USA0057884.

Data status

Known data

FacilityLake Charles Polymers WRI
CountryUnited States of America · Louisiana WRI
Coordinates30.1966, -93.322 WRI
FuelGas WRI
MW installed capacity31.1 MW Wikidata P2109; installed/nameplate capacity
Verification noteQuality label backfilled from existing source-backed capacity provenance on 2026-07-05; capacity value was not changed. source-verified
OwnerEquistar Chemicals LP WRI
Commissioned2011 WRI
GWh reported / yr165 GWh·a⁻¹ WRI

Calculated from dataset

CO₂ emissions66,120 t CO₂·a⁻¹ calculated
Capacity rank in country#4190 / 10884 calculated
Fuel-specific rank in country#1523 / 2165 calculated
Capacity vs country/fuel peers0.26× · 121.2 MW · n=2165 calculated
Homes-powered equivalent47,228 calculated from reported generation
Climate20.0°C · HDD 687 derived from coordinates
Environmental severityC5 · 49/100 derived from coordinates

Not available

TechnologyNot available not in 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: Wikidata P2109; fuel: WRI GPPD

In context: how this plant compares

At 31.1 MW, Lake Charles Polymers is below the median gas plant in United States of America (121.2 MW). 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
61%, from 165 GWh of reported generation; the median for 1622 gas plants in United States of America that report generation is 26%
Generation trend
228 GWh in 2013 and 165 GWh in 2019 (−28%)
Highest and lowest year
2013: 228 GWh; 2018: 142 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
1,491 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

2013: 228 GWh20132014: 171 GWh20142015: 179 GWh20152016: 196 GWh20162017: 212 GWh20172018: 142 GWh20182019: 165 GWh2019228 GWh

Annual generation (GWh), WRI Global Power Plant Database (CC BY 4.0).

Owner

Operated by Equistar Chemicals LP.

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 30.2°N — which shapes how much energy it can produce and how its output varies through the year.

20.0°Cannual mean temp
687heating degree-days (base 18°C)
1,433cooling degree-days (base 18°C)
5 melevation

Monthly mean temperature

J: 11 °CJF: 13 °CFM: 16 °CMA: 20 °CAM: 24 °CMJ: 27 °CJJ: 28 °CJA: 28 °CAS: 26 °CSO: 21 °CON: 16 °CND: 12 °CD28 °C

Heating degree-days here run 72% 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: 23/100 — 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.

C5ISO 9223 corrosivity (indicative)
49/100environmental-severity index
17.4°Cseasonal temperature swing
48 kmdistance to coast

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 #1523 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

Location

Coordinates 30.1966, -93.322 from WRI Global Power Plant Database (CC BY 4.0). View on OpenStreetMap.

Frequently asked questions

What type of power plant is Lake Charles Polymers?

Lake Charles Polymers is a 31.1 MW gas power plant in Louisiana, United States of America, commissioned in 2011.

How much electricity does Lake Charles Polymers generate?

Lake Charles Polymers generates about 165 GWh of electricity per year.

Who operates Lake Charles Polymers?

Lake Charles Polymers is operated by Equistar Chemicals LP.

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