Environmental Accounting

Environment Environment

Environmental Accounting

Updated August 2025

Environmental Accounting

Environmental Conservation Costs
Environmental Conservation Effects
Economic Effects

Environmental Conservation Costs

Catagory		Details of Effects	Scope	Unit	FY2023 Environmental Conservation Costs		FY2024 Environmental Conservation Costs
Catagory		Details of Effects	Scope	Unit	Investment Amount	Cost	Investment Amount	Cost
1) Cost around our business area		(Subtotal)	Non-consolidated sites	million yen	843	2,910	1,010	3,111
Breakdown	1) Pollution prevention costs	Measures to reduce environmental burden	Non-consolidated sites	million yen	662	2,329	727	2,364
	②Costs for earth environmental preservation	Energy-saving equipment	Non-consolidated sites	million yen	95	296	126	330
	3) Resource recycling costs	Efficient use of resources	Non-consolidated sites	million yen	86	286	157	417
2) Upstream and downstream costs		Change of raw materials etc.	Non-consolidated sites	million yen	0	0	0	0
3) Cost of management activities		ISO maintenance management, educational activities, etc.	Non-consolidated sites	million yen	2	36	2	54
4) Research and development costs		Development of energy-saving products	Non-consolidated sites	million yen	250	1,085	64	865
5) Social activity costs		Communication with Local Communities	Non-consolidated sites	million yen	0	4	200	404
6) Cost of environmental damage activities		Natural restoration, pollution load charge system	Non-consolidated sites	million yen	27	79	0	74
6) Cost of environmental damage activities		Pollution load charge	Non-consolidated sites	million yen	0	69	0	65
7) Others			Non-consolidated sites	million yen	0	0	0	0
Total			Non-consolidated sites	million yen	1,122	4,113	1,276	4,507

※Non-consolidated sites: 8 locations (80% of sales of Denka products)

Environmental Conservation Effects

We have aggregated data on environmental burden. For details, please refer to the Environmental Performance Data on this website.

Items of Environmental Burden	Scope	Unit	FY2021 Results	FY2022 Results	FY2023 Results	FY2024 Results	Previous fiscal year difference	FY2025 Targets
CO ₂ emissions (from energy and non-energy sources)	Non-consolidated sites	10,000 tons	197	185	158	177	19	ー
SOx Emissions	Non-consolidated sites	ton	46	33	42	41	-1	31
NOx Emissions	Non-consolidated sites	ton	3,393	3,747	3,579	3,059	-520	1,551
Soot and Dust Emissions	Non-consolidated sites	ton	109	68	97	84	-13	37
COD（BOD）Emissions	Non-consolidated sites	ton	181	275	250	317	67	323
Water used	Non-consolidated sites	1,000 tons	58,257	58,451	58,889	62,755	3,866	64,313
PRTR Substances Emissions	Non-consolidated sites	ton	83	61	78	86	8	75
Amount of industrial waste	Non-consolidated sites	1,000 tons	121	122	105	119	14	235
Final disposal amount of waste	Non-consolidated sites	ton	63	50	46	56	10	48
CO ₂ emissions in transportation	Non-consolidated sites	1,000 tons	34	132	110	112	2	ー

※Non-consolidated sites: 8 locations (80% of sales of Denka products)

Economic Effects

The substantial economic effects accompanying environmental conservation measures are the following: sale of valuable materials and energy cost reduction due to energy conservation.

Catagory	Item	Details of Effects	Scope	Unit	FY2023 Economic Impact	FY2024 Economic Effects
Profits	Business income from recycling of waste or used products generated from principal business activities	Sale of valuable materials	Non-consolidated sites	million yen	620	886
Cost reductions	Reduction of energy costs by energy conservation	Energy-saving effect	Non-consolidated sites	million yen	256	70
Cost reductions	Reduction of waste treatment costs due to resource conservation or recycling	Effective utilization of resources	Non-consolidated sites	million yen	68	6
Total			Non-consolidated sites	million yen	944	962

※Non-consolidated sites: 8 locations (80% of sales of Denka products)

DFF Inc., Denka Company Limited CSR and Public Relations Office, Denka Company Limited IR Office, Seiwa Business Link

Environment

Environmental Policies

Environmental Policy

Consideration for the Global EnvironmentDenka is committed to global environmental preservation based on Responsible Care, an initiative promoted by the global chemical industry. As a responsible chemical manufacturer, Denka will continue to address the issues of global environmental preservation.

Environment

Achievement of Carbon Neutrality

Achievement of carbon neutrality

2050 Roadmap Efforts to Reduce Environmental Impact Efforts for Environmentally Conscious Products Environmental Accounting

Environment

Achievement of Carbon Neutrality

Our Approach to Environmental Management

Denka Group is committed to achieving its target of "net zero CO2 emissions" by 2050. To this end, we have set the interim target of reducing CO2 emissions by 60% from the fiscal year 2013 level by 2030.

Environment

The Denka Group's Policies on the Prevention of Environmental Pollution

Policy on Prevention of Environmental Pollution

Denka accurately understands the environmental burden substances emitted from the production facilities of Group companies and is working on their continuous reduction. The substances targeted include greenhouse gases such as CO2...

Environment

Initiatives Aimed at Curbing GHG Emissions and Reduction Targets for GHG Emissions

Greenhouse gas emissions Zero emissions initiatives Information disclosure initiatives Fluorocarbons...

Environment

Climate change risks and opportunities

Addressing Risks and OpportunitiesRegarding the risks and opportunities posed by climate change, we will conduct scenario analysis based on the following two temperature rise scenarios: 1.5°C or less (Glasgow Climate Pact) and 4°C (business-as-usual).

Environment

Promoting the Use of Clean Energy

Efforts for clean energy

Expansion of renewable energy and introduction of environmentally friendly power generation technologies Certification of special measures for levies based on the Renewable Energy Special Measures Act ...

Environment

Promoting the Use of Clean Energy

In-house power generation facilities plants and maximum output

hydroelectric power plant (Map) *As of August 2025 / Including our joint venture company's power plant. Private power plant and maximum output (20...

Environment

Government Subsidies Related to the Environment and Energy

Subsidies for environmental energy

Use of environmental energy-related subsidies In our efforts to reduce environmental impact and promote energy conservation, we actively utilize subsidy programs from the Ministry of Economy, Trade and Industry and the Ministry of the Environment, etc.

Environment

Initiatives to Biodiversity Conservation

Our Approach to Biodiversity Initiatives for Biodiversity Participation in TNFD Forum ...

Environment

Preservation of Water Resources

Issues of the Company Group Specific Initiatives Water Resource Data Water Risk Assessment ...

Environment

Efforts to Promote Resource Circulation

Approach to resource recycling (circular economy) Chemical recycling ISCC PLUS certification ...

Environment

Environmental Accounting