Accident Description

Accident: Philadelphia Energy Solutions (PES) Refinery Fire and Explosions

Location: Location: Philadelphia, PA

Accident Occurred On: 06/21/2019 | Final Report Released On: 10/11/2022

Accident Type: Oil and Refining - Fire and Explosion

Investigation Status: The CSB's investigation was released on October 11, 2022.

At approximately 4 am on Friday June 21, 2019 there was a release of vapor in the PES refinery alkylation unit. The vapor found an ignition source, causing a fire and multiple explosions.