Western refiners keep shutting capacity despite crude spike

US benchmark crude is trading around $86.74 a barrel, far above levels that were common before the pandemic and close to the year’s upper range, while the US refinery industry’s producer-price gauge sits near 289.77, underscoring how expensive the broader oil-processing chain remains. Even so, elevated input prices have not been enough to persuade investors to pour money into marginal Western plants, where closure or conversion often looks more attractive than reinvestment.

The market backdrop helps explain why. Big US refiners such as Valero, Marathon Petroleum and Phillips 66 have all seen shares surge this year, reflecting strong cash generation from tight product markets rather than confidence in long-run refining capacity growth. Valero ended at $347.46, Marathon at $363.81 and Phillips 66 at $245.02, with all three trading far above their 50-day moving averages and near overbought RSI readings, a sign investors are favoring short-term margins over capital-intensive expansion.

Geopolitical shocks are also changing where energy security spending goes. Saudi Aramco is pushing crude through routes that bypass the Strait of Hormuz, Iraq is moving to diversify exports, and Russia is battling gasoline shortages after Ukrainian attacks on refineries. Yet those disruptions are reinforcing investment in trading flexibility and supply-route security, not a broad Western refinery-buildout.

For investors, that leaves a simple trade-off: refiners with existing assets and strong margin capture can keep benefiting, but the long-term winners may be companies that can process or move barrels more efficiently, while older Western plants, especially smaller ones, remain at risk of idling, conversion or outright closure.

The next catalyst is whether crude stays elevated and product margins stay wide enough to justify maintenance spending. If not, the West’s refining footprint is likely to shrink further even as the world’s fuel supply chains stay under pressure.