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Shell Chemical Appalachia LLC Petrochemicals Complex, Beaver County

Site Background

In June 2016, Shell Chemical Appalachia LLC (Shell) proposed plans to construct a petrochemicals complex in Potter Township, Beaver County. Shell has renamed the facility Shell Polymers Monaca Site. The facility includes an ethylene cracker that uses ethane (a natural gas product) to produce polyethylene (a common type of plastic). This first-of-its-kind facility in Pennsylvania required several complex environmental reviews, approvals, and permits from DEP for new construction, remediation of contamination from previous industrial activities on the property, and operation.

The facility has been constructed and is likely to begin operating in fall 2022.

Press Releases



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On February 7, 2022, DEP and Shell Chemical Appalachia LLC executed a consent assessment of civil penalty (CACP) to address malodor and fugitive emission violations

November 11, 2019, DEP and Shell Chemical Appalachia LLC executed a consent order and agreement (COA) to address violations related to the installation of and/or construction of gas insulated switchgear and gas insulated arresters without prior department approval.

Related Information

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