The war in Iran has triggered unprecedented supply disruptions, making U.S. emergency crude a critical buffer for the global market.
The global energy market is now relying on the U.S. Strategic Petroleum Reserve (SPR) to an unparalleled extent to fill the supply gap created by the Iran conflict. So far this year, the volume of U.S. SPR crude exports has surpassed the historical record set during the Russia-Ukraine war four years ago, underscoring the severity of the current supply shock.
According to customs data compiled by Kpler, nearly 22 million barrels of SPR crude have flowed to overseas markets year-to-date. The sheer scale of these exports reflects the profound impact of the near-closure of the Strait of Hormuz—approximately one in every three barrels leaving the emergency stockpiles is being exported.
The drawdown process is not yet complete. The U.S. government is continuing with plans to release the full pledged 172 million barrels as part of a larger coordinated action by the International Energy Agency (IEA), aimed at collectively mitigating the impact of the Iran war on global energy markets.
However, as exports continue at a significant pace, concerns are rising about domestic energy security in the United States.
Europe Receives Roughly 90% of Exported Crude
In terms of export destinations, European buyers dominate overwhelmingly. Approximately 90% of the exported crude is heading to Europe, with the Netherlands as the primary destination. Refiners in Greece, Bulgaria, and Turkey have also appeared on the buyer list for the first time.
Simultaneously, at least one cargo has been directed toward Asia—the supertanker Arosa, loaded with 1.2 million barrels of Bryan Mound Sour crude, is showing the Philippines' Bataan as its destination.
This pattern indicates that European refiners, being the most immediately affected by the disruption of Middle Eastern crude supplies due to the Iran war, have turned in large numbers to purchase U.S. emergency reserve crude as a replacement for the missing supply.
Trafigura Tops Buyer List, Independent Traders Secure Half the Volume
Regarding the buyer structure, data from the U.S. Department of Energy compiled by Bloomberg shows that commodity trading firm Trafigura has become the largest single buyer of SPR crude, securing approximately 34 million barrels.
Refiner Marathon Petroleum Corp ranks second with about 22 million barrels; the trading arm of Shell is third with roughly 18 million barrels; Exxon Mobil has secured about 14 million barrels; the remaining approximately 44 million barrels have been divided among several other entities including Macquarie, BP, Phillips 66, Vitol, Mercuria, Gunvor, Energy Transfer, ATMI (part of TotalEnergies), and Alon USA.
Independent trading firms collectively account for about half of the total drawdown volume, highlighting the dominant role of commercial entities in this SPR release operation.
Stockpiles Nearing Four-Decade Low, Refill Plan Could Start as Early as September
The large-scale drawdown is pushing reserve levels toward historic lows. According to relevant data, with crude continuously leaving the stockpiles, the inventory is rapidly approaching its lowest level since the 1980s.
Against the backdrop of persistently high domestic gasoline prices in the U.S., this trend has sparked widespread concern about the nation's energy security buffer capacity.
To prevent excessive depletion of the reserves, the government has designed an exchange mechanism in response. A plan to refill the reserve could commence as early as September, at which point traders and refiners would be required to begin returning the borrowed crude according to their agreements.
Under the exchange arrangement, the government plans to lend out 172 million barrels and receive back approximately 200 million barrels, achieving a net increase in reserves slightly above the amount lent. Whether the drawdown volume will climb further still depends on the situation in the Iran war and the progress of global supply recovery.
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