Global Shipping Costs Rise as Iran War Disrupts Bunker Fuel Supply
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The closure of the Strait of Hormuz due to the Iran war has cut off the supply of bunker fuel, a heavy oil that powers 80% of globally traded goods transported by sea. This has caused reserves to dwindle and prices to surge in Singapore, the world's largest refueling hub, forcing shipping companies to slow vessels and revise schedules. The disruption is driving a daily cost of nearly $400 million for the global shipping industry and accelerating a shift toward ships capable of using alternative fuels.
Facts First
- The Strait of Hormuz closure has cut off bunker fuel supply, a heavy oil powering 80% of seaborne trade.
- Prices in Singapore have surged from $500 to over $800 per metric ton as reserves decrease.
- Shipping companies are slowing vessels and revising schedules to manage costs, with average speeds down about 2%.
- The daily cost to the global shipping industry is nearly $400 million, according to a European transport federation.
- The crisis is accelerating a shift to dual-fuel ships, with one major manager reporting a third of its new builds will be capable of using alternatives like LNG.
What Happened
The closure of the Strait of Hormuz due to the Iran war has severed a key supply route for bunker fuel, the heavy sludge-like substance used to power most cargo ships. This has caused a sharp drop in reserves and a price surge at Singapore, the world's largest refueling hub, where costs have risen from approximately $500 to over $800 per metric ton since the conflict began on February 28. In response, shipping companies are reducing vessel speeds and revising schedules to manage costs, with the average speed of bulk carriers and container ships slowing globally by approximately 2%.
Why this Matters to You
The disruption to a fuel that powers 80% of globally traded goods transported by sea could lead to higher prices and potential delays for a wide range of imported products. Local transport costs may also increase, as seen in Singapore where ferry fares have risen and cruise lines have added fuel surcharges. More broadly, the crisis appears to be prompting a faster transition in the shipping industry toward vessels that can use cleaner alternative fuels, which may have long-term environmental benefits.
What's Next
Shipping companies are likely to continue adjusting operations to cope with high fuel costs and uncertain supply. The industry's shift toward more flexible, dual-fuel vessels could accelerate; one major ship management company reports that about one-third of the ships it is overseeing in construction will be 'dual fuel capable'. Asia's increased use of coal, purchases of crude oil from Russia, and revived nuclear power plans suggest regional economies are seeking longer-term alternatives to manage energy shortages caused by the conflict.