A Record 400 Million Barrels: The History of Emergency Oil Releases

The International Energy Agency (IEA) is preparing what could become the largest coordinated emergency oil release in its history, proposing to inject about 400 million barrels of crude from strategic reserves into global markets.

The move comes as energy markets face renewed pressure during the ongoing U.S.–Israeli war on Iran, which has disrupted shipping routes and pushed oil prices sharply higher.

If implemented, the release would surpass the previous record set in 2022, when IEA member countries collectively released 182 million barrels of oil after Russia’s full-scale invasion of Ukraine triggered a surge in global energy prices.

That intervention was one of the most significant emergency responses by the agency since its creation.

The IEA’s emergency stockpile system was established in 1974 following the Arab oil embargo, when energy shortages exposed the vulnerability of global oil supply chains. Since then, the organization has occasionally coordinated releases during major supply disruptions, including geopolitical conflicts, hurricanes affecting energy infrastructure, and sudden market shocks.

IEA member countries currently hold around 1.2 billion barrels of strategic oil reserves, intended to stabilize markets when supplies are threatened.

While analysts say the proposed 400-million-barrel release could help calm prices in the short term, they warn it may only partially offset the broader disruptions affecting global energy flows.