EnergyOilPrice.comMay 13, 2026· 1 min read
Japan's Refinery Utilization Recovers Amid Strategic Oil Releases

Japan's refinery utilization rates have risen above 70% in May, reversing a March-April supply crunch. This recovery is attributed to strategic petroleum reserve releases and increased non-Middle East crude imports, stabilizing domestic petroleum product supply.
Japan's refinery utilization rates have shown a notable rebound in May, driven by strategic petroleum reserve releases and diversified crude oil sourcing. Data from the Petroleum Association of Japan (PAJ) indicates that for the first time since March, the average utilization rate across Japanese refiners surpassed 70% in the last two weeks. This recovery follows a period of constrained crude supply experienced in March and April.
Specifically, the utilization rate of designed capacity reached 73.3% in the week ending May 9th. This figure follows a higher 77.3% utilization rate observed in the preceding week, ending May 2nd. The increased activity reflects an easing of the crude supply crunch that had previously impacted the nation's refining sector. Sources of non-Middle East crude have contributed to this improved supply picture, complementing the domestic strategic reserve releases.
The uptick in refining activity suggests a stabilization of domestic petroleum product supply, which is crucial for Japan's industrial and transportation sectors. The proactive measures to release strategic oil stocks and secure alternative crude sources underscore Japan's efforts to mitigate supply chain vulnerabilities and ensure energy security in a volatile global market.
Analyst's Take
While superficially positive, this utilization rebound may mask a persistent underlying vulnerability: the strategic reserve releases are finite. The market might be overlooking the potential for renewed price volatility once these temporary buffers are exhausted, especially if geopolitical tensions affecting Middle East crude supply persist, leading to a tightening of the forward curve in crude markets in late Q3.