Sustainability | EnvironmentCost of Environmental Protection

Environmental Accounting (Japan)

TDK has historically monitored both the cost of its environmental protection efforts and the load its activities place on the environment. In fiscal 2002, to clarify the relationship between load and cost, and to promote more effective environmental measures, TDK introduced environmental accounting for all of its facilities in Japan.
A summary of fiscal 2022 results is given below.

Category Environmental cost Economic benefit Environmental conservation benefit
Total investment
(unit: thousand yen)
Total environmental conservation, maintenance and management costs
(unit: thousand yen)
Amount of reduction achieved due to environmental conservation activities
(unit: thousand yen)
Improvement in environmental load due to environmental conservation activities, observance of laws/regulations and other results
1. Business area cost
Pollution prevention
(Regulatory controls)
138,821 471,487 - Complaints regarding vibrations/noise/odor: 0
Global environmental conservation 197,855 778,584 - Electricity and fuel savings: 52,873 - CO2 emissions reduction:1,607t-CO2
Resource circulation 92,028 778,584 - Materials usage savings:58,541
- Service water usage savings:6,057
- Profit from sale of valuable materials:1,546,204
- Materials usage reduction:2,756t
- Service water use reduction:43,147m3
- Volume of valuable materials sold:8,343t
- Volume recycled externally:18,453t
Risk management 0 15,830 - PRTR controlled substances emissions:0t
- Soil contamination risk countermeasures taken:0
2. Upstream and downstream cost 0 0
3. Administration cost 0 13,510
4. R&D cost 0 0 - Environment-conscious products research/development projects:10
5. Social activity cost 0 152 - Number of trees planted outside company : 900
- Aggregate number of employees participated in volunteer activities : 2,346
6. Environmental remediation cost 0 1,046 - Repair/restoration actions (incurring costs):0
Total 428,704 1,612,630
  • * The investment amount for the fiscal year is the amount paid in fiscal 2022.
  • * Equipment depreciation costs (as defined by law) are included as part of environmental conservation, maintenance, and management costs, but personnel costs are not included as they are determined by the number of employees in a given fiscal year.
  • * Only actual benefits are included. Hypothetical impacts (risk-avoidance impact or presumed impact) are not included.

Summary of Fiscal 2022

  • Environment-related capital investment decreased in the previous year from ¥1,057 million to ¥429 million.
  • Environmental conservation, maintenance and management costs increased in the previous year from ¥1,493 million to ¥1,613 million.
  • The economic benefits of environmental conservation activities decreased from ¥1,803 million in the previous fiscal year to ¥1,664 million, mainly due to a decrease in sales price of valuable materials sold.

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