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TrustFinance Global Insights
4月 16, 2026
2 min read
57

Valero Energy has partially resumed operations at its 380,000 barrel-per-day Port Arthur refinery in Texas following a March 23 explosion. A key crude distillation unit remains offline, impacting overall production capacity.
The 115,000-bpd AVU 147 crude distillation unit is currently operational. However, the larger 210,000-bpd AVU-146 unit remains shut down for repairs to a damaged heater tube discovered after the incident. Valero has not provided a timeline for the full restart of the facility.
The shutdown of the AVU-146 unit temporarily removes a significant portion of refining capacity, representing 2% of the U.S. Gulf Coast total. The initial explosion on March 23 contributed to a 16-cent per barrel increase in diesel prices the following day, highlighting the market's sensitivity to supply disruptions.
While the partial restart is a positive step, the market will closely monitor the repair progress on the AVU-146 unit. A prolonged shutdown could maintain upward pressure on refined product prices as supply remains constrained.
Q: What caused the shutdown at the Valero refinery?
A: The refinery was shut down following an explosion and fire in a diesel hydrotreater on March 23. A damaged heater tube was later found in a separate crude distillation unit during inspection.
Q: How much capacity is still offline?
A: The 210,000 barrel-per-day AVU-146 crude distillation unit remains offline for repairs.
Source: Investing.com

TrustFinance Global Insights
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