Video: Massive Explosion And Fire At Valero Port Arthur Refinery Shut Down Operations

A large explosion and fire at the Valero refinery in Port Arthur, Texas, forced the shutdown of the facility, one of the largest in the United States.

The incident happened on the evening of Monday, March 23, at the refinery’s 47,000-barrel-per-day diesel hydrotreater unit. The blast was so strong it could be heard up to 11 miles away.

Firefighters quickly responded, and the fire was extinguished by Tuesday, March 24. All personnel at the refinery were accounted for, and no casualties were reported.

A shelter-in-place order was issued for parts of the west side of Port Arthur to ensure residents’ safety, but it was lifted early Tuesday morning after air quality monitoring showed no risks.

The cause of the explosion is under investigation, but authorities do not suspect any deliberate action. Valero confirmed the incident and said it is working with local agencies to assess the damage and ensure safe operations before reopening.

Shutting down the refinery was necessary to contain the fire. During the response, the facility lost water supply and steam, which are essential for normal operations.

The Port Arthur refinery, located about 90 miles east of Houston, is Valero’s largest complex. It can process about 380,000 barrels of oil per day and employs around 770 people. The plant refines heavy crude into gasoline, diesel, and jet fuel.

The diesel hydrotreater unit involved in the explosion uses hydrogen to remove sulfur from fuels, in compliance with U.S. environmental rules.

Damage to this unit could reduce diesel production, potentially affecting fuel supply and prices. Diesel is widely used in trucking, shipping, and other transportation, meaning shortages could increase costs for goods across the country.

The U.S. national average for gasoline reached $3.97 per gallon on Tuesday, up from $2.95 a month earlier. Experts said the shutdown could further tighten diesel supply and affect shipping and transportation costs.

References: Reuters, AP News