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History & Today

The facility now known as the Trainer Refinery straddles the communities of Trainer, Marcus Hook and Chester, Pennsylvania, along the Delaware River about 10 miles southwest of Philadelphia. It has played an integral role in these communities, and the energy industry, for more than a century. Today, the Trainer Refinery is a dynamic facility with a focus on innovation and opportunity.

Key dates in our refinery’s history

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Courtesy of the Delaware County Times

The Trainer Refinery today

Since 2012, the Trainer Refinery has focused mainly on the production of high-quality transportation fuels. In addition to jet fuel, our 185,000 BPD facility also produces gasoline, diesel, and home heating oil. A medium-complexity refinery, we currently process primarily light, sweet crude from North America, which is vastly different than the crude slate historically processed here.

Some of our refining units include:

  • Crude & Vacuum
  • Heavy Cat Naphtha (HCN) Hydrotreating Unit
  • Fluid Catalytic Cracker (FCC)
  • Isocracker
  • Catalytic Reformer
  • Distillate Hydrotreaters
  • Naphtha Unit
  • Alky Unit
Monroe Energy, LLC - Trainer Refinery
4101 Post Road
Trainer, PA 19061
(610) 364-8000


Emergency MSDS needs:
Contact ChemTrec at (800) 424-9300


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