We conduct environmental efficiency assessments to quantitatively measure the efficiency of environmental conservation activities at our production and research sites. We also disclose information on environmental accounting in reference to the Environmental Accounting Guidelines 2005, issued by the Ministry of the Environment of Japan.
| Category | Environmental costs | Amount of investment in environmental equipment | ||
|---|---|---|---|---|
| FY2022 | FY2023 | FY2022 | FY2023 | |
| 1: Pollution prevention cost (air, water, soil, groundwater, hazardous chemicals, noise, vibration, and odor) | 115,201 | 88,302 | 12,368 | 38,724 |
| 2: Global environment conservation cost (cost for preventing global warming, cost for environmental conservation activities) | 549,242 | 537,150 | 294,724 | 585,324 |
| 3: Resource circulation cost (waste reduction, proper treatment of waste, efficient use of resources) | 132,604 | 116,219 | 0 | 0 |
| 4: Administration cost (time and cost spent for committee and ISO activities, and environmental management) | 17,962 | 13,815 | ― | ― |
| 5: Research and development cost | 0 | 0 | ― | ― |
| 6: Social activity cost (cost for environmental improvement activities, including beautification and tree-planting, with the exception of those conducted at or in the vicinity of the business sites) | 9,931 | 9,014 | 0 | 0 |
| Total | 824,941 | 764,500 | 307,092 | 624,048 |
| Environmental performance indicators | Environmental impact | Change from the previous year | ||
|---|---|---|---|---|
| FY2022 | FY2023 | |||
| Effects corresponding to key business area costs | SOx emissions (tons) | 0.0 | 0.0 | 0.0 |
| NOx emissions (tons) | 4.9 | 5.0 | 0.1 | |
| Water use (1,000 m3) | 196.4 | 189.9 | -6.5 | |
| BOD load (tons) | 1.2 | 0.8 | -0.4 | |
| CO2 emissions (1,000 tons-CO2) | 18.4 | 16.0 | -2.4 | |
| Energy use (MWh) | 86,067.6 | 82,285.0 | -3,782.6 | |
| Total waste discharge (tons) | 492.8 | 569.7 | 76.9 | |
| Final landfill disposal (tons) | 4.4 | 3.2 | -1.2 | |
| Details | Economic effects | |
|---|---|---|
| FY2022 | FY2023 | |
| 1: Reduction in costs through energy-saving activities | 10,203 | 3,299 |
| 2: Reduction in waste costs through recycling activities | 100 | 640 |
| 3: Profit from sale of recycled materials | 6,475 | 8,701 |
| Annual total | 16,778 | 12,640 |