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October 22, 2021

Westlake Chemical Corporation Plaquemine Complex, US

By Carmen

Westlake Chemical Corporation Plaquemine Complex is an active petrochemical complex located in Louisiana, the US. The complex started commercial operations in 1975 and currently has an active annual capacity of 3.61mtpa. Its capacity is expected to remain the same as 3.61mtpa in 2030. The plants in this complex are operated by Westlake Chemical.

Key Products Capacity – Westlake Chemical Corporation Plaquemine Complex, 2020

Key products produced in this complex include ethylene dichloride (EDC), polyvinyl chloride (PVC), vinyl chloride monomer (VCM), caustic soda, and chlorine.

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Ethylene Dichloride (EDC) accounts for major capacity share i.e., 31.9% of the total annual capacity of the complex with 1.15mtpa, followed by polyvinyl chloride (PVC) and vinyl chloride monomer (VCM) with 23.8% (0.86mtpa) and 20.2% (0.73mtpa) respectively.

About Westlake Chemical

Westlake Chemical Corp (Westlake Chemical) is a manufacturer and supplier of petrochemicals, polymers and building products. The company offers products such as olefins, vinyls, styrene, polyethylene and epolene polymers. Westlake Chemical manufactures petrochemicals through olefins business such as ethylene and styrene monomer. Its vinyl products are used in residential siding, pipe and fittings for water, sewer and industrial applications; PVC profiles for windows, doors, fence, and decking along with films. Westlake Chemical offers its products to nutrition and health care; consumer lifestyle, building and construction. The company operates across Asia, Europe and North America. Westlake Chemical is headquartered in Houston, Texas, the US.


Information on the petrochemical complexes/plants is sourced from GlobalData’s oil & gas petrochemicals plants database that provides detailed information on all active and upcoming, petrochemical plants globally. Not all companies mentioned in the article may be currently existing due to their merger or acquisition or business closure.

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