Addressing Environmental Risk

Aspects Determained as Materiality
  • Environmental Compliance

    307-1

Principle and Outline

The Daigas Group believes that companies have a responsibility to ascertain the environmental impact of their business activities, to take appropriate steps in compliance with international norms, laws and ordinances, and to implement voluntary risk countermeasures.
In response to climate change, which causes global environmental impacts, we are working on mitigation by reducing greenhouse gas emissions and reducing the risk of natural disasters to adapt to climate change. Also, we are pursuing voluntary environmental risk countermeasures in keeping not only with the PRTR Law Act and other domestic laws but also with directives from the European Union (EU) and elsewhere overseas, and is taking action to reduce soil and underground water pollution by toxic substances and control asbestos, chemical substances and PCB waste. We are working with gas equipment manufacturers to develop and manufacture gas equipment with a limited content of chemical substances.

Risks and Opportunities Related to Climate Change

Chemical Substance Management

Legal compliance and proper management

On April 1, 2015, revisions to Japan's Chlorofluorocarbon Emissions Control Act came into force, strengthening management over the lifecycle of chlorofluorocarbons, which are ozone-depleting substances that also cause global warming. Osaka Gas identified commercial refrigeration and air-conditioning equipment covered by the Act and put together a structure for ensuring compliance with it.
There are very few hazardous chemicals handled by Osaka Gas during the processing and supply of natural gas. The Daigas Group will continue to manage and reduce the amount of chemicals it uses under the policies shown below.

Daigas Group Chemical Substance Management Principles

  • 1. We comply with laws and environmental regulations concerning the use of chemical substances.
  • 2. We use ISO 14001-compliant and other environmental management activities to step up management and decrease emissions of chemical substances.
  • 3. We disclose information on chemical substance management mainly on our website.

Response to Water Risks

Appropriate use and discharge of water resources

Water is not a primary material among the products handled by the Daigas Group. We recognize that water does not pose a major business risk for our Group because we are operating in areas, both in Japan and abroad, where water risks are not high.

However, the Group controls water discharge after using drinking water, industrial-use water, groundwater and seawater. At power plants, core facilities for its electricity business, the Group uses industrial water as a coolant in a steam turbine condenser, and vaporizes it inside the cooling tower. Drinking water, industrial-use water and groundwater are also used at LNG terminals, power plants and offices, and discharged. Seawater is mainly used for vaporization of LNG in city gas plants and for cooling in steam turbine condensers in some power plants, and is discharged to the sea without being consumed. In discharging water after it is used in our industrial activities, we have controlled its quality in line with relevant laws, ordinances and agreements with local municipalities to ensure that chemical substances such as COD, pH, phosphorus and nitrogen are not contained in the water being discharged in excess of the relevant standards. Thanks to such efforts, there were no violations regarding the quality of water being discharged. Osaka Gas sees water as a limited natural resource. We will continue to use water adequately, control its discharge strictly, and promote water saving.

As for reducing our water intake (drinking water and industrial-use water), we are managing it in step with our efforts to reduce other activities that weigh on the environment, using Environmental Management Indicators.
<FY2021 water intake: drinking water and industrial water 13.807 million m³, groundwater 3.530 million m³, seawater 551.419 million m³>
<FY2021 water discharge: drainage 1.205 million m³, rivers 3.196 million m³, seas 554.149 million m³>

Soil and Groundwater Conservation

Inspecting soil and groundwater on former coal gas production sites

In compliance with relevant laws and regulations, Osaka Gas has checked the possibility of soil pollution at former coal gas production sites by measuring the amount of specified chemical substances contained in the soil and groundwater taken from the sites and assessing their impact on the sites and surrounding areas. The results of the surveys have been disclosed and response measures have been implemented where necessary. For example, when chemical substances (mainly cyanide compounds and benzene) in excess of the maximum amount allowed under the Soil Contamination Countermeasures Law were found, the incidents were reported to administrative authorities and adequate measures, including removing and cleaning the problematic soil, were taken promptly. Before taking soil-improvement measures, we conducted surveys based on relevant laws and regulations, followed by implementing appropriate response measures, including disposing of the contaminated soil and on-site containment of the soil. Below is a list of press releases showing the results of the recent surveys and response measures, all of which have already been implemented. We will continue to take necessary measures based on the Soil Countermeasures Law.

■ Information Disclosure on the Research Results of the Former Plant Sites

Disclosure date Disclosed information (Japanese version only)
May 23, 2017
Sept. 7, 2011
Nov. 9, 2010
Jul. 9, 2007
Dec. 26, 2007
Jul. 5, 2004
Jan. 28, 2004
Dec. 18, 2003
Dec. 3, 2003
Feb. 6, 2003
Jan. 30, 2003
Jan. 23, 2003
Dec. 24, 2002
Aug. 27, 2002
Jul. 2, 2002
Sep. 19, 2001
Jun. 12, 2001
Jan. 25, 2001

Management of asbestos

The status of asbestos use at major facilities and buildings of Osaka Gas, and in its gas equipment, is given below.

Gas manufacturing
and supply facilities
Gas equipment,
combustion equipment
Osaka Gas buildings
Asbestos is not used in new facilities. The asbestos used in existing facilities as installed does not disperse into the air. When these facilities are serviced or reclaimed, non-asbestos material will be used in place of asbestos. Asbestos is not used in new gas equipment or combustion equipment. Some of the gas equipment sold in the past used asbestos in gaskets or the like, which does not disperse into the air under ordinary conditions of use. Measures to systematically eliminate spray-on asbestos insulation in buildings have been completed. Showrooms and other open spaces visited by customers do not use spray-on asbestos.

Violations of Laws and Fines

Abiding by environmental laws

During FY2021, Osaka Gas did not take any administrative sanction due to the violation of environmental-related laws.

Management of Waste Containing PCBs

Proper management and disposal of PCBs in line with government policy

Every company in the Daigas Group manages and disposes of waste containing PCBs in accordance with Japan’s Act on Special Measures for Promotion of Proper Treatment of Polychlorinated Biphenyl (PCB) (PCB Special Measures Act).

All capacitors and transformers with a high density of PCBs—over 10 kg—were disposed of by FY2013. In order to dispose of ballasts that contain PCBs as soon as possible, they are being registered successively with the Japan Environmental Storage & Safety Corporation (JESCO). Low-density PCBs have been consigned to approved decontamination facilities since FY2014 in a systematic process of disposal.

Going forward, we will continue to store and dispose of PCBs properly, in accordance with the government’s disposal schedule and policies.

Gas Appliance Eco-Design

Conform with all laws and take the environment into consideration such as by restricting the use of chemical substances

July 2006 was the start of the RoHS Directive, which restricts the use of specified substances, such as lead and cadmium, in appliances. Also in July 2006, in Japan the revised Law for the Promotion of Effective Utilization of Resources went into effect, obligating companies to label products as containing the six substances of the RoHS Directive according to J-MOSS, the JIS standard for the labeling of electrical and electronic products containing chemical substances.

In line with the measures propelled in the automobiles and home appliances sectors, we are working together with gas appliance manufacturers on the development of environmentally-friendly gas appliances and its labeling. Osaka Gas currently does not manufacture or sell gas appliances containing any of the specified substances that require labeling under J-MOSS. Osaka Gas abides by Japanese regulations on chemical substances (the Law Concerning the Examination and Regulation of Manufacture, etc. of Chemical Substances, and the Law for the PRTR and Promotion of Chemical Management). We also engage in independent evaluations of chemical management according to the RoHS Directive and are working to reduce chemical substances outlined therein.

Osaka Gas also works with other industry organizations. We conducts surveys on trends in the European Union including "EuP Directive (Directive requiring environmentally conscious design for products using energy)" and "WEEE Directive (Waste Electrical and Electronic Equipment Recycling Directive)" and provides information not only to other companies in the industry, but also to members of the Japan Gas Equipment Manufacturers Association. To keep up with the EuP Directive amendment, in FY2014 we accumulated the findings of the European Commission through our overseas affiliate, Osaka Gas UK, Ltd.

Environmental Impact Assessments

Environmentally friendly activities in accordance with laws and regulations, including voluntary limitation of the content of chemical substances

In the Daigas Group, every new investment and development project, whether in Japan or abroad, follows an environmental impact assessment at the planning stage when required by law. For example, in the process of constructing the Senboku Natural Gas Power Plant, the core facility for the Group’s electricity business, between 2002 and 2006, we conducted an environmental impact assessment covering the construction works (the impact of the transportation of construction materials, including air pollution, noise, and vibration) and the presence and shared use of land and workpieces (the impact of ground modification and the facility’s existence on local flora and fauna and the impact of exhaust gas and wastewater from the facility in operation on the quality of air and water). We also adopted environmental conservation measures against air pollution, noise, vibration, and wastewater in order to further reduce the environmental impact of the project.

Also, in the Himeji Natural Gas Power Plant construction project, which Himeji Natural Gas Power Generation Co., Ltd., a wholly owned subsidiary of Osaka Gas, is implementing, an assessment process has been completed in compliance with the Environmental Impact Assessment Act.

The Daigas Group will continue to not only observe environment-related laws and regulations applicable to the areas where it operates but also pay full consideration to ensuring harmony between its business operations and local social and natural environments.

See below regarding details of the Himeji Natural Gas Power Plant project.


Sustainability of
the Daigas Group
President's Commitment
Values and Sustainability Promotion of the Daigas Group
Daigas Group's Values Daigas Group Charter of Business Conduct and Management Policy Daigas Group Code of Business Conduct Sustainability Promotion System and Management Stakeholder Engagement Initiatives the Daigas Group Participates In Commendation from the Outside
Sustainability Management and Value Creation Process
Value Creation Process of the Daigas Group Long-Term Management Vision 2030 Medium-Term Management Plan 2023 Daigas Group Carbon Neutral Vision
Actions on Materiality
Materiality of the Daigas Group Materiality Review Cycle Customer Health and Safety
(FY2021 Report)
Energy / Emissions
(FY2021 Report)
Local Communities
(FY2021 Report)
Customer Privacy
(FY2021 Report)
Supplier Assessment
(FY2021 Report)
Training and Education
(FY2021 Report)
Diversity and Equal Opportunity
(FY2021 Report)
Economic Performance
(FY2021 Report)
Creating Value for Customers
(Charter I)
Contributing to the Sustainability of the Environment and Society
(Charter Ⅱ)
Engaging with and Contributing to Society (Charter Ⅲ) Respecting Human Rights
(Charter IV)
Complying with Laws and Regulations (Charter V) Providing Work Environment That Supports Employees’ Personal Growth (Charter VI)
Corporate Governance
Corporate Governance Risk Management Compliance Messages from Outside Directors
Value Chain and Sustainability
Consideration for the Value Chain and Stakeholders Social Impact of Business Activities in Our Energy Value Chain and Our Efforts toward Sustainability
Daigas Group's Efforts for SDGs
Special Features: Co-create Value for a Sustainable Future - Daigas Group×Stakeholders Achieving a Low Carbon / Carbon Neutral Society Establishing Lifestyles and Businesses Adjusted to the New Normal Enhancing Resilience of Customers and Society Back Numbers of Special Features
FY2021 Activities Report
Creating Value for Customers (Charter I)
Charter I Index Management for Creating Value for Customers Safety and Security 1:
Procurement Stage
Safety and Security 2:
Processing Stage
Safety and Security 3:
Distribution Stage
Safety and Security 4:
Consumption Stage
Incorporating Customer Opinions Proposing New Value
Contributing to the Sustainability of the Environment and Society (Charter Ⅱ)
Charter Ⅱ Index Management toward Contributing to the Sustainability of the Environment and Society Environmental Management Environmental Management: Indicators, Targets and Results Actions for Climate Change: Recognition of and Action on Risks and Opportunities Actions for Climate Change: Method to Evaluate Effects of CO2 Emissions Reduction Actions for Climate Change: Working to Reduce CO2 Emissions in Business Activities Actions for Climate Change: Working to Reduce CO2 Emissions at Customer Sites Efforts in Resource Recycling Conserving Biodiversity Developing Environmental Technologies Addressing Environmental Risk Promotion of Green Purchasing Environmental Communication
Engaging with and Contributing to Society (Charter Ⅲ)
Charter Ⅲ Index Management of Engagement with and Contribution to Society Social Contribution Activities Corporate Volunteering Activities under the Small Light Campaign Activities for Promoting Communication with Society Activities at Osaka Gas' Foundations
Respecting Human Rights (Charter IV)
Charter IV Index Status of Management regarding Respect for Human Rights Human Rights Due Diligence Action on Human Rights
Complying with Laws and Regulations (Charter V)
Charter V Index Management for Complying with Laws and Regulations Compliance Promotion Efforts Efforts for Protection of Personal Information Information Security Consultations and Reports from Partner Companies
Providing Work Environment That Supports Employees’ Personal Growth (Charter VI)
Charter VI Index Status of Management to Support Employees' Personal Growth Employment Acceptance of Diversity Balancing Work and Family Human Resource Development and Rewards Communication Between Employees and Company Improving Occupational Health and Safety
Reporting Guidance and Guidelines and ESG Data
Reporting Guidelines
ESG Data
Environmental Performance Data Social Data Governance Data
Reports
Policy on Reporting Sustainability Activities Third-Party Review /
Third-Party Verification
Download Sustainability Site Terminology Search by Purpose Course Taken Since the Company's Foundation Sustainability Site Map We Value Your Feedback Topics backnumber Osaka Gas in brief