Suncor Commerce City Experienced Operational Upset

At about 1 p.m. today, May 24, the Suncor Commerce City Refinery’s Plant 2 FCC unit experienced an operational upset. The upset resulted in a subsequent abnormal emission out of the top of the FCC unit’s stack. They are also experiencing expected increased flaring as a result of this incident. Feed has been pulled from the unit and the operations team is in the process of bringing the units down. Suncor has made the required regulatory notifications, is investigating the root cause of the incident, and determining a path forward.