Tax Compliance Initiatives
Tax Compliance Initiatives

(Hidden)

Basic Approach / Promotion System Response to Tax Compliance Violati...

Pollution Prevention
Pollution Prevention

Measures to Prevent Air Pollution

Air pollutants discharged through our business operations include sulfur ox...

Quality Control and Quality Assurance
Quality Control and Quality Assurance

Quality Control and Quality Assurance System

Our quality assurance system consists of two components: systems in place a...

Working Toward a Circular Society
Working Toward a Circular Society

Used Plastic Recycling

We aim for the commercialization of petroleum conversion in FY2025, and pla...

Regional Revitalization
Regional Revitalization

(Hidden)

Initiatives for Regional Development and Solutions to Social Issues ...

Regional Revitalization
Regional Revitalization

Community Co-Creation and Livelihood Support

Initiatives at Tanegashima We launched an initiative involving a “Co-JUNKA...

Initiatives for Climate Change Action / Carbon Neutrality
Initiatives for Climate Change Action / Carbon Neutrality

Reducing CO₂ Emissions Throughout the Value Chain

Establish low-carbon petroleum To realize energy transition, we will first...

DE&I (Diversity, Equity & Inclusion) Initiatives
Policy / Promotion System

(Hidden)

Policy / Promotion System Initiatives in Recognizing Unconscious Bia...

Initiatives for Climate Change Action / Carbon Neutrality
Initiatives for Climate Change Action / Carbon Neutrality

CN Transition Strategy

We have selected major themes we will address for social implementation by ...

Risk Management
Risk Management

(Hidden)

Basic Approach / Activities Further Enhancement of Crisis Readiness ...

Environmental Management
Environmental Management

Environmental Management System (Safety & Environmental Protection Headquarters)

We have long positioned “Health, Safety and Environment” as the foundation ...

Personnel Systems
Personnel Systems

Fair Evaluation and Compensation

In FY2020, we introduced new core HR systems (grading system, training and...

Management of Chemical Substances and Reduction of Hazardous Substances
Management of Chemical Substances and Reduction of Hazardous Substances

(Hidden)

Basic Approach Management of PRTR-Designated Substances Controlli...

Environmental Impacts on the Supply Chain
Environmental Data of Refineries and Complexes

Aichi Refinery (currently Aichi Complex)

  Unit FY2017 FY2018 FY2019 FY2020 ...

Environmental Management
Environmental Management

Environmental Education & Awareness-Raising Activities

We provide environmental education for the entire Group under the leadersh...

Pollution Prevention
Pollution Prevention

Measures Against Soil Contamination

We are aware of the risks of ground contamination due to oil leakage from u...

Biodiversity Conservation
Biodiversity Conservation

Ecosystem Rehabilitation / Prevention of Ecosystem Destruction

Rehabilitation of post coal mining sites The coal mining business entails ...

Corporate Governance
Corporate Governance

Overview of Board of Directors / Assessment of the Effectiveness of the Board of Directors

Overview of Board of Directors In FY2022, we announced our Medium-term Man...

ESG Data
ESG Data

Social

The scope of data is Idemitsu Kosan non-consolidated. However, the repo...

Environmental Management
Environmental Management

Basic Recognition of Environmental Protections

The Idemitsu Group works to reduce the environmental impact of its business...

Corporate Citizenship Activities
Corporate Citizenship Activities

FURUSATO PROJECT

Since 2018, we have been holding the “FURUSATO PROJECT” at ele...

Sustainability News
地元町会長の皆さまを招きCSR説明会

Initiatives for Climate Change Action / Carbon Neutrality
Initiatives for Climate Change Action / Carbon Neutrality

Promoting Energy Conservation and Zero - Emission Electric Power

Modification of resid hydrodesulfurization unit raises efficiency In May...

Environmental Impacts on the Supply Chain
Environmental Data of Refineries and Complexes

Hokkaido Refinery

  Unit FY2017 FY2018 FY2019 FY2020 ...