Japan Extends Transition Bond Push Despite Fossil-Fuel Reliance

Japan issued its fifth climate transition bond this year, becoming the sole government to use the designation despite the nation's growing reliance on fossil fuels following the Iran war. The ¥250 billion ($1.6 billion) issuance attracted significant demand with a bid-to-cover ratio of 3.84, down from 4.62 in May and an average of 3.79 since February 2024 issuance began.

The highest yield accepted was 2.2%. This follows a strengthening in the domestic bond market, with Japanese government bonds rising alongside safe-haven assets as technology-sector jitters affected investors. This marks a shift from earlier this year when concerns over fiscal spending, inflation, and a global bond selloff drove yields to multi-decade highs.

The latest transition bonds are part of a ¥150 trillion program through 2033 to fund specific emissions reduction projects. Japanese entities have dominated the climate-transition bond market, controlling about 90% of it since 2024, with the government issuing over $30 billion so far, primarily purchased by the Bank of Japan and other local investors.

Environmental groups have criticized Japan for escalating its dependence on fossil fuel imports amid its pledge to cut emissions by 60% by 2035 from 2013 levels. To counteract potential supply issues, the government has increased oil purchases, released strategic reserves, and launched a plan to diversify away from Middle Eastern sources while investing in new supply methods.

However, Japan remains the world's fifth-largest carbon dioxide emitter, with coal, oil, and gas comprising more than 80% of its energy supply in 2023. Transition bond proceeds are allocated to AI, semiconductors, robotics, and nuclear technologies like fusion energy, with only 4% directed toward renewable energy, including perovskite solar cell development.