Sustainability | EnvironmentCost of Environmental Protection

Environmental Accounting (Japan)

TDK has historically monitored both the cost of its environmental protection efforts and the burden its activities place on the environment. In FY 2001, to clarify the relationship between burden and cost, and to promote more effective environmental measures, TDK introduced environmental accounting for all of its facilities in Japan.
A summary of FY 2019 results is given below.

Category Environmental costs Economic effects Positive environmental impact
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 burden due to environmental conservation activities, observance of laws/regulations and other results
1. In-plant area costs
Pollution prevention
(Regulatory controls)
21,198 941,220   - Complaints regarding vibrations/noise/odor: 0
Global environmental protection 326,732 441,694 - Electricity and fuel savings: 7,468 - CO2 emissions reduction: 269t-CO2
Resource recycling 103,440 569,428 - Materials usage savings:30,753
- Service water usage savings:408
- Profit from sale of valuable materials:760,024
- Materials usage reduction:2,154t - Service water use reduction:0m3
- Volume of valuable materials sold:9,690t
- Company-external recycling volume:15,601t
Risk management 62,545 17,401   - PRTR controlled substances emissions:87t
- Soil contamination risk countermeasures taken:0
2. Upstream and downstream costs 0 0    
3. Cost of management activities 0 8,801    
4. Cost of R&D 0 0   - Environment-conscious products research/development projects:22
5. Cost of community activities 0 400   - Trees planted outside of company premises:940
- Cumulative total of staff taking part in volunteer activities:2,945
6. Cost of environmental damages 0 3,181   - Repair/restoration actions (incurring costs):0
Total 513,916 1,982,104 798,653  
  • * The investment amount for the fiscal year is the amount paid in FY 2019.
  • * 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 actual number of staff in any given year.
  • * Only the actual impact is addressed. Hypothetical impacts (risk-avoidance impact or presumed impact) are not included.

FY 2019 Totalled Results

  • Environment-related capital investment amounts decreased on the previous year from ¥1,708 million to ¥514 million.
  • Environmental conservation maintenance costs rose on the previous year from ¥1,295 million to ¥1,982 million.
  • The economic effects of environmental conservation activities rose from ¥737 million in the previous fiscal year to ¥799 million.

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