Japan begins release of oil reserves as Iran war sparks energy crisis
In March 2026, Japan began releasing oil from its emergency reserves in response to a global energy crisis. This crisis was triggered by the effective closure of the Strait of Hormuz by Iran, amid a war with the US and Israel.

Briefing Summary
AI-generatedIn March 2026, Japan began releasing oil from its emergency reserves in response to a global energy crisis. This crisis was triggered by the effective closure of the Strait of Hormuz by Iran, amid a war with the US and Israel. Prime Minister Sanae Takaichi announced Japan would unilaterally release 80 million barrels, preceding a coordinated effort by the IEA to release 400 million barrels globally. The move aims to stabilize the market amid concerns about disrupted oil supplies through the Strait, a critical waterway for global oil transport. Despite the IEA's efforts, oil prices have remained elevated, with Brent crude rising significantly since the start of the conflict. Japan has stated it will not deploy its navy to the Strait.
Article analysis
Model · rule-basedKey claims
5 extractedBrent crude stood at $104.85 a barrel as of 05:45 GMT, up more than 40 percent since the start of the war.
The IEA said it would coordinate the release of a record 400 million barrels.
Japanese Prime Minister Sanae Takaichi last week announced plans to unilaterally release 80 million barrels of oil.
The release was announced on Monday in a notice published in the Japanese government’s official gazette.
Japan has begun releasing oil from its emergency reserves amid the global energy crisis.