ESG finance

Overview of the Transition Bond

Bond Issued the 15th debenture bond(Transition Bond) the 16th debenture bond(Transition Bond)
Issue amount 10 billion yen 10 billion yen
Maturity 5 years 10 years
Issuance date July 14, 2022 July 14, 2022
Interest rate 0.480% 0.879%
Use of Capital  ・ Projects which meet the qualifying criteria set forth in the Idemitsu Kosan Co., Ltd. Green/Transition Bond Framework (new expenditures and refinancing of existing expenditures) 
・ Turning refineries into CNX center*1(SAF*2, etc.), Power and renewable energy projects, low carbon solutions projects for coal-fired power generation, etc.
Third-party appraisal organization DNV Business Assurance Japan K.K.
Lead underwriters Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.
・ Daiwa Securities Co. Ltd. Co., Ltd.
・ Mizuho Securities Co., Ltd. Co., Ltd.
Structuring agent Mitsubishi UFJ Morgan Stanley Securities Co., Ltd.
Bond rating A (R&I)
  • CNX (Carbon Neutral Transformation) Center: Plan to transform our facilities such as refineries and plants to supply bases for next-generation energies with renewable energy, ammonia, biofuel, synthetic fuel, etc.

  • SAF: Sustainable Aviation Fuel

Third-party assessment of eligibility

Second party opinion

We have, beforehand, formulated a green / transition bond framework, and through DNV Business Assurance Japan K.K., obtained second party opinions such as "Green Bond Principles 2021 (ICMA)", "Ministry of Environment Green Bond Guidelines 2020", "Climate Transition Finance Handbook 2020 (ICMA)" and "Basic Guidelines on Climate Transition Finance (May 2021)” announced by the Financial Services Agency, Ministry of Economy, Trade and Industry, Ministry of the Environment, upon issuing corporate bonds.

Related link: Second-party Opinion for Idemitsu Kosan Green/Transition Bond (PDF: 6.02MB)

Ministry of Economy, Trade and Industry Model Project Selection

Idemitsu’s corporate bond was selected to be “FY2021 Climate Transition Finance Model Case" as the first model case in oil sector by the Ministry of Economy, Trade and Industry.

Related link: Ministry of Economy, Trade and Industry model project selection (Japanese Only)

Transition Bond and Framework 

Related link: Idemitsu Kosan Green/Transition Bond Framework (PDF: 1.29MB)

Reporting

Allocation Report

Procured appropriations 19.9 billion yen (amount excluding issuance expenses) 
Appropriations used*1 19.9 billion yen
Appropriations to be used 0.0 billion yen
Project No. Project category Appropriations Use *1
(Refinance)
Impact Metric
1 Power and Renewable Energy
(geothermal & solar)
2.4 billion yen (2.2 billion yen) ・Equipment capacity (MW)
・Power generation performance (kwh)
・CO₂ reduction amount/reduction contribution amount
2 Low-carbon Solutions for Replacing Coal-fired Power Generation 5.6 billion yen (5.6 billion yen) ・CO₂ reduction amount/reduction contribution amount
・Project progress status
3 Development of Functional Material Products 11.9 billion yen (9.0 billion yen) ・Progress of the eligible project
Total 19.9 billion yen (16.8 billion yen)

Impact Report

[Project NO.1] Power and Renewable Energy

Impact Metric

Project category Installed Capacity (MW)
(Idemitsu Equity)
Actual Power Generation (kwh)*1
(Idemitsu Equity)
Environmental improvement effect *2
(Annual CO₂ emission reduction)
Power and Renewable Energy
(geothermal & solar)
31.9MW
(23.3 MW)
133,795 MWh
(67,728 MWh)
35,589 t-CO₂
  • The planned amount of power generation is included in the figures.

  • Calculation method: Power generation (MWh) × CO₂ emission factor (t-CO₂/MWh)
    The CO2 emission coefficient is the difference between the CO2 emission coefficient of the electricity company to which renewable energy is sold and the CO2 emission coefficient associated with project execution.

[Project NO.2] Low-carbon Solutions for Replacing Coal-fired Power Generation

Impact Metric

Project category Amount of Idemitsu Green Energy Pellets
(Black pellet) Produced *1
Environmental improvement effect *2
(Annual CO₂ emission reduction)
Low-carbon solutions for replacing coal-fired power generation
120,000 tons 191,302 t-CO₂
  • Planned amount

  • Calculation method: "Amount of black pellets (ton) × CO2 emission coefficient of black pellets (t-CO2/ton)" and "Amount of coal replaced by black pellets (ton) × CO2 emission coefficient of coal (t-CO2/ton)" ” difference.

Progress of the Eligible Project

Our first commercial plant in Vietnam commenced its commercial operation in October 2025.

Related link: Supply ofblack pellets(biomass fuel)

[Project NO.3] Development of Functional Material Products

Progress of the Eligible Project

Related link(news release):Final Investment Decision and Construction Start for Large Pilot Facility for Solid Electrolytes (All-Solid-State Battery Material)

DNV TRANSITION BOND PERIODIC REVIEW (July 2023)

We have obtained a review from DNV Business Assurance Japan, an independent external reviewer, to evaluate whether its reporting is aligned with our framework.

Related link:  Transition-Bond_Periodical Review (PDF: 1.07MB)