As the Iran war continues to impact shipping in the Strait of Hormuz, Japanese Prime Minister Sanae Takaichi has announced the largest-ever release of strategic oil reserves and ordered a comprehensive review of the oil product supply chain to stabilize domestic energy supply and prices.
On March 24th, according to The Guardian, Sanae Takaichi announced that Japan will begin tapping into its national strategic reserves this Thursday (March 26th), with an approximate release of 80 million barrels, equivalent to 45 days of Japan's domestic demand, and 1.8 times the amount released after the 2011 Fukushima nuclear disaster.
The report states that the large scale and urgency of this reserve release reflect Japan's high vigilance regarding energy security.
Rising oil prices have already heightened inflationary pressures, casting greater uncertainty on the Bank of Japan's path to policy normalization through gradual interest rate hikes. Meanwhile, the continued weakness of the yen is further increasing import costs. Japanese Ministry of Finance officials have initiated inquiries into speculative activities in the crude oil futures market, leading to rising expectations of market intervention.
Concurrently, according to Bloomberg, Trade Minister Ryosei Akazawa stated on Tuesday (March 24th) that the first Japanese oil tanker taking an alternative route is expected to arrive in Japan on March 28th.
<h2>Record-Breaking Reserve Release Scale</h2>
According to reports, the total amount of oil reserves Japan is releasing this time is approximately 80 million barrels, equivalent to 45 days of domestic consumption.
Prime Minister Sanae Takaichi's government approved the release of 15 days' worth of private enterprise reserves last week. According to Bloomberg, the release of private reserves began on March 16th, and the release of national reserves will officially commence on March 26th.
For reference, Japan held approximately 470 million barrels of oil reserves as of the end of last year, equivalent to 254 days of domestic consumption. This release is 1.8 times the amount released after the Great East Japan Earthquake and tsunami in 2011, which severely damaged the Fukushima Daiichi Nuclear Power Plant and led to the temporary shutdown of all Japanese nuclear reactors, marking the highest single reserve release in Japanese history.
Japan is an economy with extremely scarce resources, relying on the Middle East for over 90% of its crude oil imports, the vast majority of which must be transported through the Strait of Hormuz. Since the outbreak of the Iran war on February 28th, this critical waterway has effectively been paralyzed, placing immense pressure on Japan's energy supply chain.
<h2>Comprehensive Supply Chain Review, First Rerouted Tanker Arriving This Week</h2>
According to reports, Prime Minister Sanae Takaichi convened a meeting with relevant ministers on Tuesday morning, attended by Foreign Minister Toshimitsu Motegi and Defense Minister Shinjiro Koizumi.
At the meeting, Sanae Takaichi assigned the task of comprehensively reviewing the oil product supply chain to Ryosei Akazawa.
Akazawa's review scope covers not only energy-related oil products but also extends to non-energy petroleum derivatives such as naphtha—a key raw material for plastics manufacturing, whose supply stability directly impacts the normal operation of Japan's manufacturing sector.
Regarding shipping, Akazawa stated on Tuesday that the first Japanese oil tanker taking an alternative route is expected to arrive in Japan on March 28th.
According to tanker tracking data compiled by Bloomberg, the supertanker &#34;Omega Trader,&#34; managed by Mitsui O.S.K. Lines Ltd., has passed through the Strait of Hormuz, but Mitsui O.S.K. Lines has denied that the vessel completed the aforementioned voyage.
<h2>Dual Pressures of Inflation and Exchange Rates Hamper Central Bank Policy Normalization</h2>
Reports indicate that the oil price surge following the outbreak of the war is expected to exacerbate Japan's inflationary pressures, making the Bank of Japan's efforts to normalize policy through gradual interest rate hikes more complicated.
According to a Wallstreetcn.com article, Japan's core inflation indicator fell to 1.6% in February, dropping below the central bank's 2% target for the first time in nearly four years. However, economists expect price increases to accelerate again starting in March.
Meanwhile, the continued weakness of the yen will further drive up Japan's oil import costs.
According to reports, officials from the Ministry of Finance have issued warnings regarding suspected speculative behavior in the crude oil futures market that may be influencing exchange rates. Authorities are reportedly inquiring with market participants about potential interventions in the crude oil futures market.

This release involves approximately 80 million barrels, equivalent to 45 days of Japan's domestic demand, and 1.8 times the amount released after the 2011 Fukushima nuclear disaster. The large scale and urgency of this reserve release reflect Japan's high vigilance regarding energy security. Japan's first oil tanker taking an alternative route is expected to arrive on March 28th, as the government simultaneously conducts a comprehensive review of the oil supply chain. Rising oil prices coupled with a weak yen create dual pressures on inflation and the central bank's path to interest rate normalization

- Japan's Prime Minister Fumio Kishida announced the largest ever strategic oil reserve release, approximately 80 million barrels, to stabilize energy supply and prices amid the Iran war affecting the Strait of Hormuz.  
- This release represents 45 days of domestic oil consumption and is 1.8 times the amount released after the Fukushima disaster in 2011, highlighting Japan's heightened energy security awareness.  
- The central bank faces increased inflationary pressure with rising oil prices, complicating its normalization efforts, while the yen's weakness exacerbates import costs, prompting government inquiries into oil market speculation.

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Largest Ever! Japan to Release Oil Reserves Starting Thursday, First Rerouted Tanker Nearing Port