Refineries in Port Arthur, Texas
Last reviewed: 2026-05-01
Port Arthur, Texas is home to three major refineries along the Sabine Neches Waterway: Motiva Port Arthur (the largest refinery in the United States at approximately 636,000 barrels per day), Valero Port Arthur (approximately 395,000 barrels per day), and TotalEnergies Port Arthur (approximately 225,000 barrels per day). Combined, these facilities process over 1.2 million barrels per day of crude oil. The Port Arthur refining cluster is one of the most concentrated in the world and a critical market for industrial suppliers and maintenance service providers.
Key Facts
Motiva Port Arthur
Motiva Port Arthur is the largest single refinery in the United States, with approximately 636,000 barrels per day of capacity. Owned by Saudi Aramco through Motiva Enterprises, the facility completed a major expansion in 2012 that nearly doubled its capacity. The refinery processes a wide range of crude grades and produces gasoline, diesel, jet fuel, and petrochemical feedstocks.
Valero Port Arthur
The Valero Port Arthur refinery has approximately 395,000 barrels per day of crude processing capacity. The facility is one of Valero's largest assets and produces transportation fuels and petrochemical feedstocks. Valero has invested in coker and hydrocracker upgrades to increase heavy crude processing capability at the site.
TotalEnergies Port Arthur
The TotalEnergies Port Arthur refinery has approximately 225,000 barrels per day of capacity. The facility produces gasoline, diesel, jet fuel, and chemical feedstocks. TotalEnergies has invested in reliability improvements and environmental upgrades at the site. The refinery benefits from deepwater access on the Sabine Neches Waterway.
Market Opportunity
The concentration of over 1.2 million barrels per day in Port Arthur creates a dense market for industrial suppliers. The three refineries operate on staggered turnaround schedules, providing nearly continuous demand for turnaround services, MRO materials, and specialty contractors. Vendors can serve all three facilities from a single Port Arthur area location.
Frequently Asked Questions
What is the largest refinery in Port Arthur?
Motiva Port Arthur is the largest, with approximately 636,000 barrels per day of capacity. It is also the largest single refinery in the United States.
How many refineries are in Port Arthur?
Port Arthur has three major refineries: Motiva, Valero, and TotalEnergies. Combined capacity exceeds 1.2 million barrels per day.
Is Port Arthur close to Beaumont?
Yes. Port Arthur and Beaumont are approximately 20 miles apart and share the Sabine Neches industrial corridor. ExxonMobil operates a major refinery in Beaumont, adding to the regional refining concentration.
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