U.S. Refinery Capacity Fell 263,000 Barrels per Day in 2025
U.S. refinery capacity fell by 263,000 barrels per day in 2025, with closures by LyondellBasell and Phillips 66 outweighing additions, reducing capacity to 18.16 million barrels per day by January 2026.
How this was made

The 30-second read
Why it matters
A net decline of 263,000 barrels per day suggests tighter supply, which may affect fuel prices and refining margins across the United States.
Market read
The capacity drop is a material data point for energy markets, potentially influencing fuel price outlooks and refining company valuations.
What to watch
Potential for new capacity projects or upgrades to offset the loss later in the decade.
Background
The article reports the first disclosed figures for U.S. refinery operable capacity in 2025, highlighting major plant closures and their impact on national processing ability.
Ticker impact
LyondellBasell halted crude processing at its Houston refinery, removing 263,776 barrels per day of capacity in 2025.
potential downside as reduced capacity may pressure earnings forecasts
Capacity cuts directly affect refining margins; investors may downgrade outlook.
Phillips 66 ceased operations at its Los Angeles refinery in October 2025, removing 138,700 barrels per day of capacity.
possible share weakness as lower capacity may hit regional demand coverage
Reduced West Coast capacity can affect market share and margins, prompting a negative reaction.
Market effects
U.S. refining sector faces a net capacity decline, which may tighten supply and affect refining margins.
West Coast refining capacity drops ~5%, potentially raising regional fuel prices.
U.S. remains a net exporter of petroleum, but capacity cuts could influence global crude demand dynamics.
Counterpoint
Capacity reductions could improve utilization rates at remaining plants, boosting margins.
Key entities
- CompanyLyondellBasell
Operator of the Houston refinery that stopped processing in Q1 2025.
- CompanyPhillips 66
Operator of the Los Angeles refinery that ceased operations in Oct 2025.
