By: Fern Sidman

In a dramatic intervention aimed at stabilizing the world’s energy markets amid the escalating war involving Iran, the United States, and Israel, the International Energy Agency (IEA) has announced the largest emergency oil release in its history. The decision, reached unanimously by the organization’s 32 member nations, authorizes the release of 400 million barrels of oil from strategic reserves, an extraordinary measure intended to counteract the unprecedented disruption of global supply chains triggered by the conflict.

The decision marks a pivotal moment for global energy security and reflects mounting concerns that the war in the Middle East could trigger an economic shock reverberating across international markets. According to a report on Wednesday morning on CNBC, the move represents the most significant coordinated energy intervention undertaken by the agency since its creation in 1974.

IEA Executive Director Fatih Birol, speaking from the organization’s headquarters in Paris, described the situation in stark terms.

“The conflict in the Middle East is having significant impacts on global oil and gas markets, with major implications for energy security, energy affordability and the global economy,” Birol said in remarks carried by CNBC. “IEA countries have unanimously decided to launch the largest ever release of emergency oil stocks in our agency’s history.”

The unprecedented release comes as shipping through the Strait of Hormuz, the narrow maritime corridor connecting the Persian Gulf to global markets, has slowed to a near standstill. The closure of the strategic waterway has triggered what analysts describe as the largest oil supply disruption ever recorded, sending shockwaves through energy markets already strained by geopolitical uncertainty.

The Strait of Hormuz has long been recognized as one of the most critical chokepoints in global commerce. Roughly 20 percent of the world’s oil and liquefied natural gas normally flows through the narrow channel separating Iran from Oman.

Each day under normal conditions, tankers carrying approximately 20 million barrels of oil pass through the strait, transporting crude from major producers such as Saudi Arabia, Iraq, Kuwait, Qatar, and the United Arab Emirates to energy-hungry markets in Asia, Europe, and North America.

But since the war erupted on February 28, tanker traffic has largely halted.

Shipping companies, fearful of Iranian missile or drone attacks, have increasingly avoided the corridor. According to the CNBC report, vessel movements through the waterway have slowed dramatically, leaving the global energy system dangerously constrained.

Birol emphasized that while the emergency release of reserves will help mitigate immediate shortages, restoring normal shipping flows remains essential.

“Tanker traffic must resume through the Strait of Hormuz to bring stable oil and gas flows back to the global market,” he said. The scale of the IEA’s intervention underscores the severity of the crisis.

Member nations collectively maintain more than 1.2 billion barrels of publicly held emergency oil reserves, supplemented by an additional 600 million barrels held by industry under government mandate. These reserves exist precisely for moments such as this—when sudden geopolitical disruptions threaten to destabilize global energy supply.

Yet even within the context of the agency’s emergency protocols, the decision to release 400 million barrels represents an extraordinary measure. The agency did not specify exactly when the oil will reach the market, explaining that each member country will determine the timing of its contribution according to national circumstances.

CNBC reported that the gradual rollout is designed to ensure that markets receive a sustained flow of additional supply rather than a single short-lived surge.

The IEA itself was created in response to a previous energy crisis. The organization was founded in 1974, following the oil embargo imposed by Arab producers during the 1973 Arab-Israeli War. That embargo caused severe shortages and skyrocketing prices across Western economies, prompting governments to establish coordinated emergency reserves.

Today’s crisis echoes that earlier moment in history. But the scale of disruption now unfolding may exceed even the turmoil of the 1970s. Energy consulting firms Rapidan Energy Group and Wood Mackenzie have warned that the effective closure of the Strait of Hormuz represents the largest oil supply disruption in history, according to analyses cited by CNBC.

Even the IEA’s historic drawdown may not fully compensate for the volume of oil normally transiting the corridor.

Compounding the crisis are a series of attacks targeting energy infrastructure across the region.

Birol warned that oil production and refinery operations are being disrupted throughout the Middle East, particularly affecting supplies of diesel and jet fuel. Energy facilities have increasingly become targets as the conflict expands geographically.

According to regional reports cited by CNBC, drones struck fuel storage tanks at the port of Salalah in Oman, causing extensive damage to fuel reserves. Although no casualties were reported, the attack underscores the vulnerability of critical infrastructure. Elsewhere, air defense systems across the Gulf have been activated repeatedly.

Qatari officials reported intercepting aerial targets over Doha, while Saudi Arabia announced that its forces shot down drones over the vast Empty Quarter desert. Kuwait’s National Guard also confirmed intercepting multiple drones over protected areas within the country.

These incidents suggest that the conflict’s battlefield is expanding far beyond Iran itself.

Despite the widespread disruption affecting most international shipping, Iran has continued to move significant quantities of crude oil through the contested waterway.

According to tracking data cited by CNBC on Tuesday, Tehran has shipped at least 11.7 million barrels of crude oil through the Strait of Hormuz since the war began. All of those shipments were reportedly destined for China, Iran’s largest energy customer.

The data was provided by Samir Madani, co-founder of the maritime monitoring firm TankerTrackers.com, which uses satellite imagery to track vessels even when their electronic identification systems are switched off. Madani told CNBC that many tankers have effectively “gone dark” by disabling their transponders—a tactic used to avoid detection as they move through contested waters.

Shipping intelligence firm Kpler has produced similar estimates, suggesting that roughly 12 million barrels of crude have moved through the strait since the conflict began. Kpler analyst Nhway Khin Soe told CNBC that verifying the final destination of many shipments has become increasingly difficult.

“Given that China has been the primary buyer of Iranian crude in recent years, a significant share of these barrels could ultimately head there,” Soe said. Chinese officials have not yet commented publicly on the shipments.

The disruption has raised particular concern among Asian economies heavily dependent on Middle Eastern oil. Japan, for example, imports the majority of its energy from the region.

Japanese Prime Minister Sanae Takaichi announced that Tokyo intends to begin releasing oil from its own strategic reserves as early as next week. The decision reflects Japan’s “exceptionally high level of dependence” on Middle Eastern supply routes.

Other Asian governments are expected to consider similar measures.

The implications of the supply shock extend far beyond the energy sector. Oil prices play a critical role in determining inflation, transportation costs, and industrial production across the global economy. Analysts warn that prolonged disruption in the Strait of Hormuz could send energy prices soaring, triggering higher fuel costs for consumers and potentially slowing economic growth.

Financial markets have already begun reacting to the uncertainty. Energy traders are scrambling to assess whether the IEA’s intervention will be sufficient to stabilize supply until shipping lanes reopen.

For policymakers, the emergency release represents both a lifeline and a gamble. Strategic reserves exist to cushion precisely this type of crisis, but they are finite resources. If the conflict persists for months or years, governments may face difficult decisions about how much oil to release—and how quickly. For now, the IEA’s historic intervention aims to buy time.

Time for diplomacy, time for military de-escalation, and time for the world’s energy system to adapt to a rapidly changing geopolitical landscape. As the war enters its second week, the message from energy authorities is clear: the global economy now finds itself deeply entangled in the consequences of a conflict unfolding thousands of miles away.

And until the Strait of Hormuz once again opens to the steady procession of oil tankers that sustain the world’s energy needs, the stability of global markets will remain precariously balanced on the shifting tides of geopolitics.