Updated March 2026
There were no environmental fines in fiscal 2025.
| Catagory | Details of Effects | Scope | Unit | FY2023 Environmental Conservation Costs |
FY2024 Environmental Conservation Costs |
|||
|---|---|---|---|---|---|---|---|---|
| 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 | Environmental burden reduction measures (costs for exhaust gas and wastewater treatment, etc.) |
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 | Products related to energy conservation, development etc. of global warming prevention, air pollution prevention and water pollution prevention | 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 | |
| 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 | ||
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 |
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 |
| 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 | ||
Consideration for the global environment Support for the RC World Charter (2014 version) ...
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 CO2,...
Greenhouse Gas Emissions Zero emissions initiatives ...
Addressing risks and opportunities Addressing risks and opportunities
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Company's Approach to Biodiversity The Company recognizes that biodiversity is the basis of the ecosystem that supports human life and corporate activities. The Company also recognizes that the loss of biodiversity due to human activities is a serious global issue. Therefore, the Company is committed to protecting biodiversity and promoting the sustainable use of biological resources in its corporate activities. The Company will also contribute to the conservation of biodiversity through its business activities.
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Environmental conservation costs Environmental conservation effects Economic effects ...
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