The following performance indicators such as Scope1, Scope2, Scope3 categories 2 and 3, Total waste disposed, Total waste recycled/reused, Waste landfilled, Total hazardous waste disposed, Total hazardous waste recycled/reused and Hazardous waste landfilled are guaranteed by the third party to improve reliability. The independent third-party assurance report can be found on page 23 of the ESG Data Book.
Greenhouse gas (CO2) emissions trend by scope
FY2019 | FY2020 | FY2021 | FY2022 | FY2023 | Y/Y | |
---|---|---|---|---|---|---|
Scope1 + Scope2 (Market-based) (*1,3) | 34,767 | 34,025 | 30,012 | 22,619 | 22,438 | -0.8% |
Scope1(*3) | 15,296 | 14,860 | 14,820 | 16,948 | 17,021 | 0.4% |
Scope2 (Market-based)(*3) | 19,471 | 19,165 | 15,192 | 5,671 | 5,417 | -4.5% |
Scope2 (Location- based) | 20,187 | 19,566 | 18,525 | 21,390 | 22,591 | 5.6% |
CO2 emissions per unit of revenue(*2) [t-CO2/billion yen] | 144 | 136 | 113 | 81 | 7.4 | -8.3% |
FY2018 | FY2019 | FY2020 | FY2021 | FY2022 | Y/Y | |
---|---|---|---|---|---|---|
Noto Plant Scope1 + Scope2 (Market-based)(*1) | 11,072 | 13,652 | 13,525 | 12,531 | 5,523 | -55.9% |
Scope1 | - | 5,744 | 5,960 | 5,444 | 5,523 | 1.5% |
Scope2 (Market-based) | - | 9,021 | 8,960 | 5,834 | 0 | -100% |
Scope2 (Location- based) | - | 7,908 | 7,566 | 7,087 | 7,261 | 2.4% |
Shiga Product Supply Center Scope1 + Scope2 (Market-based)(*1) | 6,860 | 7,535 | 7,422 | 7,191 | 5,162 | -28.2% |
Scope1 | - | 3,388 | 3,478 | 3,420 | 5,162 | 50.9% |
Scope2 (Market-based) | - | 2,998 | 2,818 | 2,355 | 0 | -100% |
Scope2 (Location- based) | - | 4,146 | 3,944 | 3,771 | 6,318 | 67.5% |
Nara Research and Development Center Scope1 + Scope2 (Market-based)(*1) | 4,112 | 4,827 | 4,636 | 4,699 | 2,802 | -40.4% |
Scope1 | - | 2,624 | 2,499 | 2,672 | 2,802 | 4.9% |
Scope2 (Market-based) | - | 1,592 | 1,527 | 1,398 | 0 | -100% |
Scope2 (Location- based) | - | 2,203 | 2,137 | 2,027 | 2,141 | 5.6% |
Shimoshinjo Office Scope1 + Scope2 (Market-based)(*1) | 208 | 251 | 210 | 184 | ― | |
Scope1 | - | 0 | 0 | 0 | ― | |
Scope2 (Market-based) | - | 182 | 150 | 149 | ― | |
Scope2 (Location- based) | - | 251 | 210 | 184 | ― | |
Branch and Sales offices and others Scope1 + Scope2 (Market-based)(*1) | 2,552 | 2,613 | 1,948 | 2,131 | 2,160 | 1.3% |
Scope1 | - | 2,028 | 1,441 | 1,676 | 1,681 | 0.3% |
Scope2 (Market-based) | - | 585 | 507 | 455 | 479 | 5.3% |
Scope2 (Location- based) | - | 585 | 507 | 455 | 479 | 5.3% |
Suzhou Plant(China) Scope1 + Scope2 (Market-based)(*1) | 7,747 | 6,606 | 6,685 | 6,609 | 6,973 | 5.5% |
Scope1 | - | 1,513 | 1,482 | 1,608 | 1,781 | 10.8% |
Scope2 (Market-based) | - | 5,093 | 5,202 | 5,000 | 5,192 | 3.8% |
Scope2 (Location- based) | - | 5,093 | 5,202 | 5,000 | 5,192 | 3.8% |
Category | FY2018 | FY2019 | FY2020 | FY2021 | FY2022 | Y/Y |
---|---|---|---|---|---|---|
1: Purchased goods and services(*1) | 142,215 | 114,613 | 138,182 | 111,829 | 106,743 | -4.5% |
2: Capital goods(*2) | 5,997 | 7,600 | 6,781 | 7,393 | 23,574 | 218.8% |
3: Fuel and energy related activities not included in Scope1 and Scope2(*3) | 1,078 | 2,103 | 2,189 | 1,672 | 64 | -96.2% |
4: Transportation and distribution (Upstream) | 630 | 763 | 565 | 517 | 533 | 3.2% |
5: Waste generated in operation | 440 | 489 | 446 | 316 | 332 | 5.0% |
6: Business travel | 2,763 | 2,041 | 339 | 609 | 952 | 56.5% |
7: Employee commuting | 1,633 | 1,485 | 1,247 | 830 | 982 | 18.2% |
12: End-of-life treatment of sold products | 223 | 207 | 208 | 220 | 271 | 23.4% |
Total(*4) | 154,980 | 129,300 | 149,957 | 123,386 | 133,451 | 8.2% |
CO2 emissions per unit of revenue [t-CO2/billion yen] | 879 | 708 | 806 | 647 | 679 | 5.0% |
Greenhouse gas (CO2) emissions reporting boundary
Greenhouse gas (CO2) emissions calculation standards
Scope1 | CO2 emissions associated with fuel use <Calculation method> Calculated based on fuel consumption x heating value per unit x fuel CO2 emission factor <Emission factor> Emission factor based on "Greenhouse gas emission calculation / reporting / publication system" (Ministry of the Environment) |
---|---|
Scope2 | CO2 emissions from the purchase of electricity and heat <Calculation method> Calculated based on electricity consumption x electricity CO2 emission factor + heat usage x heat CO2 emission factor. <Emission factor> (Japan) Electricity & Heat:Emission factor based on "Greenhouse gas emission calculation / reporting / publication system" (Ministry of the Environment)(China) Electricity:Emission factor of "关于做好2023—2025年发电行业企业温室气体排放报告管理有关工作的通知"(China Environmental Environment Department) |
Scope3 | Scope3 CO2 emissions through the supply chain <Calculation method> The method of receiving emissions from business partners or calculated by multiplying the amount of activity in each category collected by the company by the emissions intensity based on the "Emissions intensity database for calculating greenhouse gas emissions of organisations through the supply chain" (Ministry of the Environment and Ministry of Economy, Trade and Industry, ver.3.3). <Emission factor>
|
Energy usage trend
FY2018 | FY2019 | FY2020 | FY2021 | FY2022 | Y/Y | |
---|---|---|---|---|---|---|
Energy usage(*1) | 668,462 | 651,669 | 610,368 | 635,562 | 746,317 | 17.4% |
Energy usage per unit of revenue [GJ/billion yen] | 2,856 | 2,698 | 2,445 | 2,387 | 2,675 | 12.0% |
Purchased renewable energy(*2) | - | - | - | - | 351,615 | - |
Operational site | FY2018 | FY2019 | FY2020 | FY2021 | FY2022 | Y/Y |
---|---|---|---|---|---|---|
Noto Plant | 241,750 | 248,878 | 250,863 | 237,273 | 241,908 | 2.0% |
Shiga Product Supply Center | 159,485 | 153,698 | 154,389 | 151,794 | 242,776 | 59.9% |
Nara Research and Development Center | 95,572 | 97,865 | 95,696 | 98,028 | 103,008 | 5.1% |
Shimoshinjo Office | 6,085 | 5,333 | 4,624 | 4,171 | ― | ― |
Branch and Sales offices and others(*) | 3,954 | 4,050 | 3,099 | 35,380 | 36,158 | 2.2% |
Suzhou Plant (China) | 111,632 | 106,503 | 101,698 | 108,916 | 122,467 | 12.4% |
Tampere Plant (Finland) | 49,984 | 35,342 | ― | ― | ― | ― |
Total | 668,462 | 651,669 | 610,369 | 635,562 | 746,317 | 17.4% |
Renewable energy trend
Type | FY2018 | FY2019 | FY2020 | FY2021 | FY2022 | Y/Y |
---|---|---|---|---|---|---|
Solar energy generation(*1) | 11 | 12 | 12 | 12 | 12 | 0.7% |
Purchased renewable energy(*2) | 581 | 1,591 | - | 6,547 | 36,220 | 453.2% |
Total | 592 | 1,603 | 12 | 6,559 | 36,232 | 452.4% |
FY2018 | FY2019 | FY2020 | FY2021 | FY2022 | Y/Y | |
---|---|---|---|---|---|---|
Total waste disposed(*1) | 3,178 | 3,201 | 2,985 | 2,702 | 3,025 | 12.0% |
Total waste recycled/ reused(*1) | 2,888 | 3,065 | 2,951 | 2,662 | 2,979 | 11.9% |
Amount of waste reduced(*2) | 36 | 29 | 25 | 26 | 29 | 11.6% |
Waste landfilled(*3) | 254 | 107 | 9.5 | 14 | 17 | 20.1% |
Waste disposal per unit of revenue[tons/billion yen] | 13.6 | 13.3 | 12.0 | 10.1 | 10.8 | 6.8% |
Recycling rate(*4)[%] | 90.9% | 95.8% | 98.9% | 98.5% | 98.5% | 0.0% |
FY2018 | FY2019 | FY2020 | FY2021 | FY2022 | Y/Y | |
---|---|---|---|---|---|---|
Thermal recycling amount | 890 | 743 | 772 | 637 | 986 | 54.9% |
Material recycling amount | 1,799 | 2,245 | 2,161 | 2,025 | 1,993 | -1.6% |
Waste incinerated without energy recovery | 0 | 0 | 0 | 22 | 29 | 33.9% |
Recycling rate (excluding thermal recycling)(*5)[%] | 56.6% | 70.1% | 72.4% | 74.9% | 65.9% | -12.1% |
Operational site | FY2018 | FY2019 | FY2020 | FY2021 | FY2022 | Y/Y | |
---|---|---|---|---|---|---|---|
Noto Plant | Total waste disposed | 1,793 | 1,865 | 1,716 | 1,649 | 1,777 | 7.8% |
Total waste recycled/ reused | 1,793 | 1,865 | 1,716 | 1,649 | 1,777 | 7.8% | |
Waste landfilled | 0.10 | 0.10 | 0.10 | 0.07 | 0.07 | 0.0% | |
Shiga Product Supply Center | Total waste disposed | 671 | 743 | 837 | 668 | 767 | 14.9% |
Total waste recycled/ reused | 671 | 743 | 837 | 668 | 767 | 14.9% | |
Waste landfilled | 0.0 | 0.0 | 0.0 | 0.0 | 0.0 | ― | |
Nara Research and Development Center | Total waste disposed | 73 | 80 | 54 | 63 | 54 | -13.7% |
Total waste recycled/ reused | 72 | 78 | 52 | 61 | 52 | -14.3% | |
Waste landfilled | 0.10 | 0.10 | 0.10 | 0.10 | 0.10 | 4.8% | |
Suzhou Plant (China)(*6) | Total waste disposed | 148 | 179 | 248 | 153 | 316 | 105.9% |
Total waste recycled/ reused | 54 | 75 | 220 | 118 | 272 | 130.2% | |
Waste landfilled | 94 | 104 | 9 | 13 | 16 | 21.6% | |
Shimoshinjo・Umeda Office(*7) | Total waste disposed | 231 | 99 | 130 | 169 | 110 | -34.7% |
Total waste recycled/ reused | 62 | 90 | 126 | 166 | 110 | -33.6% | |
Waste landfilled | 159 | 0.20 | 0.20 | 0.14 | 0.00 | -100% |
Hazardous Waste (*1)
FY2018 | FY2019 | FY2020 | FY2021 | FY2022 | Y/Y | |
---|---|---|---|---|---|---|
Total | ||||||
Total waste disposed | ― | ― | 165 | 90 | 255 | 184.6% |
Total waste recycled/ reused | ― | ― | ― | 64 | 243 | 279.7% |
Amount of waste reduced(*2) | ― | ― | ― | 22 | 0 | ― |
Waste landfilled(*3) | ― | ― | ― | 4 | 13 | ― |
Thermal recycling amount | ― | ― | ― | 64 | 243 | 279.6% |
Material recycling amount | ― | ― | ― | 0 | 0 | ― |
Waste incinerated without energy recovery | ― | ― | ― | 0 | 0 | ― |
Hazardous waste disposal per unit of revenue[tons/billion yen] | ― | ― | 0.66 | 0.33 | 0.91 | 173.5% |
Japan (Specially controlled industrial waste emissions) | ||||||
Total waste disposed | ― | ― | 13 | 20 | 9 | -55.0% |
Total waste recycled/ reused | ― | ― | ― | 20 | 9 | -55.0% |
Amount of waste reduced | ― | ― | ― | 0 | 0 | ― |
Waste landfilled | ― | ― | ― | 0 | 0 | ― |
Thermal recycling amount | ― | ― | ― | 20 | 9 | -55.0% |
Material recycling amount | ― | ― | ― | 0 | 0 | ― |
Waste incinerated without energy recovery | ― | ― | ― | 0 | 0 | ― |
China (Hazardous waste) | ||||||
Total waste disposed | ― | ― | 152 | 70 | 246 | 253.4% |
Total waste recycled/ reused | ― | ― | ― | 44 | 234 | 431.8% |
Amount of waste reduced | ― | ― | ― | 22 | 0 | ― |
Waste landfilled | ― | ― | ― | 4 | 13 | 218.5% |
Thermal recycling amount | ― | ― | ― | 44 | 234 | 431.7% |
Material recycling amount | ― | ― | ― | 0 | 0 | ― |
Waste incinerated without energy recovery | ― | ― | ― | 0 | 0 | ― |
Air pollutants emission trend
Substance | FY2018 | FY2019 | FY2020 | FY2021 | FY2022 | Y/Y |
---|---|---|---|---|---|---|
SOx(sulfur oxides)(*1,2) | 2.2 | 1.8 | 1.3 | 1.5 | 1.5 | -2.7% |
NOx(nitrogen oxides)(*1,2) | 4.0 | 3.9 | 4.4 | 4.2 | 4.2 | -0.5% |
VOC(volatile organic compounds)(*2) | 41 | 46 | 42 | 45 | 48 | 7.5% |
Water pollutants emissions trend
Substance | FY2018 | FY2019 | FY2020 | FY2021 | FY2022 | Y/Y |
---|---|---|---|---|---|---|
BOD(biochemical oxygen demand)(*1,2) | 8.7 | 8.8 | 4.8 | 3.4 | 3.4 | 0.0% |
COD(chemical oxygen demand)(*1,2) | 7.5 | 7.1 | 4.5 | 4.8 | 4.2 | -12.5% |
PCB storage
FY2018 | FY2019 | FY2020 | FY2021 | FY2022 | Y/Y | |
---|---|---|---|---|---|---|
Polychlorinated biphenyl holdings [kg] | 0 | 0 | 0 | 0 | 0 | - |
We have no PCB-containing equipment in our business sites since March 2017.
In March 2017, we completed, through a nationally designated service provider, appropriately disposing of the three PCB-containing fluorescent light ballasts that had been stored at our former Osaka Plant, and making them harmless.
Water usage trend
FY2018 | FY2019 | FY2020 | FY2021 | FY2022 | Y/Y | ||
---|---|---|---|---|---|---|---|
Water usage | Total | 559 | 588 | 542 | 521 | 612 | 17.6% |
Tap water | 149 | 154 | 112 | 125 | 149 | 19.4% | |
Industrial water | 121 | 96 | 104 | 89 | 142 | 59.2% | |
Groundwater | 289 | 338 | 326 | 307 | 321 | 4.7% | |
Water usage per unit of revenue [thousand m3/billion yen] | Usage | 2.4 | 2.4 | 2.2 | 2.0 | 2.2 | 11.7% |
Water usage per production quantity(*1) [m3/10,000 units] | Usage | ― | 12.4 | 12.1 | 13.4 | 14.7 | 9.7% |
Operational site | FY2018 | FY2019 | FY2020 | FY2021 | FY2022 | Y/Y | |
---|---|---|---|---|---|---|---|
Noto Plant | Usage | 294 | 343 | 332 | 313 | 327 | 4.5% |
Discharge | 286 | 296 | 281 | 268 | 286 | 6.5% | |
Shiga Product Supply Center | Usage | 107 | 93 | 111 | 99 | 170 | 71.9% |
Discharge | 93 | 93 | 92 | 92 | 171 | ― | |
Nara Research and Development Center | Usage | 55 | 52 | 44 | 45 | 47 | 4.0% |
Discharge | 43 | 38 | 31 | 32 | 32 | 0.1% | |
Branch and Sales offices and others | Usage | 3.9 | 2.9 | 2.1 | 1.7 | 0.2 | -90.8% |
Discharge | 3.9 | 2.9 | 2.1 | 1.6 | 0.0 | -98.5% | |
Suzhou Plant (China) | Usage | 58 | 61 | 53 | 62 | 68 | 10.1% |
Discharge | ― | ― | ― | 23 | 54 | 136.7% |
Overview of Environmental Load (2022)
Greenhouse gas (CO2) emissions trend by scope
FY2018 | FY2019 | FY2020 | FY2021 | FY2022 | Y/Y | |
---|---|---|---|---|---|---|
Scope1 + Scope2 (Market-based)(*1) | 24,804 | 28,877 | 27,742 | 26,737 | 15,646 | -41.5% |
Scope1 | 14,390 | 13,783 | 13,378 | 13,212 | 15,167 | 14.8% |
Scope2 (Market-based) | ― | 14,378 | 13,963 | 10,191 | 479 | -95.3% |
Scope2 (Location-based) | 10,414 | 15,094 | 14,364 | 13,525 | 16,199 | 19.8% |
CO2 emissions per unit of revenue [t-CO2/billion yen] | 144 | 154 | 157 | 123 | 80 | -35.0% |
Energy usage
FY2018 | FY2019 | FY2020 | FY2021 | FY2022 | Y/Y | |
---|---|---|---|---|---|---|
Energy usage | 506,846 | 509,824 | 508,670 | 526,647 | 623,850 | 18.5% |
Energy usage per unit of revenue[GJ/billion yen] | 2,876 | 2,792 | 2,733 | 2,760 | 3,173 | 15.0% |
Waste reduction and recycling trend
FY2018 | FY2019 | FY2020 | FY2021 | FY2022 | Y/Y | |
---|---|---|---|---|---|---|
Total waste disposed | 2,768 | 2,787 | 2,737 | 2,548 | 2,709 | 6.3% |
Total waste recycled/ reused | 2,598 | 2,776 | 2,731 | 2,543 | 2,707 | 6.4% |
Amount of waste reduced | 10 | 11 | 6 | 5 | 2 | -52.9% |
Waste landfilled | 160 | 0.4 | 0.4 | 0.3 | 0.2 | -43.8% |
PRTR substances handled
FY2018 | FY2019 | FY2020 | FY2021 | FY2022 | Y/Y | |
---|---|---|---|---|---|---|
Methylnaphthalene | 20.5 | 23.3 | 22.3 | 20.4 | 20.6 | 1.0% |
Acetonitrile | 1.9 | 1.8 | 1.9 | 2.1 | 2.1 | -0.0% |
Boron and its compounds | 0.6 | 0.7 | 0.6 | 0.6 | 1.5 | 150.0% |
Xylene | 0.4 | 0.2 | 0.4 | 0.3 | 0.1 | -66.7% |
Prevention of environmental pollution
Noto Plant | Shiga Product Supply Center | Nara Research and Development Center | ||||||
---|---|---|---|---|---|---|---|---|
Criteria | Results | Criteria | Results | Criteria | Results | |||
Air pollution | Soot and dust | [g/Nm3] | 0.3 | 0.24 | 0.2 | 0.00 | 0.1 | 0.01 |
NOx | [ppm] | 150 | 1.93 | 180 | 1.44 | 150 | 0.61 | |
SOx | [Nm3/h] | 0.98 | 1.46 | - | - | - | 0.0 | |
Water contamination | pH | 5.8∼8.6 | 7.3∼8.0 | 5.0∼9.0 | 7.3∼7.9 | 5.0∼9.0 | 6.3∼7.9 | |
BOD | [mg/L] | 80 | 1.02 | 600 | 1.59 | 1,500 | 0.79 | |
COD | [mg/L] | 80 | 1.75 | 600 | 1.75 | - | - | |
SS | [mg/L] | 120 | 3.52 | 600 | 3.52 | 1,500 | 0.76 | |
Noise | Morning | [dB] | 60 | 49 | 50 | 46 | 60 | 41 |
Noon | [dB] | 65 | 49 | 55 | 50 | 65 | 45 | |
Evening | [dB] | 60 | 49 | 50 | 44 | 60 | 44 | |
Night | [dB] | 50 | 49 | 45 | 46 | 50 | 46 | |
Vibration levels | Noon | [dB] | 65 | 44 | 70 | 30 | 65 | 29 |
Night | [dB] | 60 | 38 | 65 | 0 | 60 | 25 |
Criteria values are specified according to the agreements with the municipalities where the workplaces are located.
Environmental conservation effect
Unit | Year ended March 31 | Environmental burden change | % Change | |||
---|---|---|---|---|---|---|
2022 | 2023 | |||||
Energy | Total energy usage | GJ | 526,647 | 623,850 | 97,203 | 18.5% |
Electricity | MWh | 31,054 | 37,153 | 6,099 | 19.6% | |
Gas | Thousand m³ | 2,663 | 3,464 | 801 | 30.1% | |
LPG | tons | 4.9 | 16.3 | 11.4 | 232.7% | |
Heavy Oil | kℓ | 2,002 | 2,034 | 32 | 1.6% | |
Gasoline | kℓ | 721 | 721 | 0.4 | 0.1% | |
Heating and Cooling | GJ | 1,372 | 1,768 | 396 | 28.9% | |
Water resources | Total water usage | Thousand m³ | 459 | 544 | 86 | 18.6% |
Tap water | Thousand m³ | 63 | 81 | 18 | 28.6% | |
Industrial water | Thousand m³ | 89 | 142 | 53 | 59.6% | |
Well water | Thousand m³ | 307 | 321 | 14 | 4.6% | |
Materials | Raw and other materials | tons | 4,778 | 5,124 | 346 | 7.2% |
Global warming | CO2 (*) | tons | 26,737 | 15,646 | -11,091 | -41.5% |
Atmospheric pollutants | Sox (sulfur oxides) | tons | 1.5 | 1.5 | 0.0 | 0.0% |
NOx (nitrogen oxides) | tons | 4 | 4 | 0.0 | 0.0% | |
VOC(volatile organic compounds) | tons | 45 | 46 | 1.1 | 2.4% | |
Dust | tons | 0.2 | 0.3 | 0.1 | 25.0% | |
Water pollutants | Discharged water | Thousand m³ | 394 | 489 | 95 | 24.1% |
BOD(biochemical oxygen demand) | tons | 3.4 | 3.4 | 0.0 | -0.2% | |
COD(chemical oxygen demand) | tons | 2.7 | 3.2 | 0.5 | 20.0% | |
SS(suspended solids) | tons | 5.2 | 6.2 | 1.0 | 18.6% | |
Waste materials | Total waste disposed | tons | 2,548 | 2,709 | 161 | 6.3% |
Total waste recycled/ reused | tons | 2,543 | 2,707 | 163 | 6.4% | |
Waste landfilled | tons | 0.3 | 0.2 | -0.1 | -43.8% |
Reporting boundary
Japan: All facilities including sales offices.
Other countries: Principal production facilities, Suzhou Plant (China).
Guidelines referenced
These data have been prepared with reference to the Environmental Reporting Guidelines (2018 edition, Ministry of the Environment of Japan), the Basic Guidelines on Accounting for Greenhouse Gas Emissions Throughout the Supply Chain (Ministry of the Environment of Japan / Ministry of Economy, Trade and Industry of Japan, Ver. 2.5), the Environmental Accounting Guideline (2005 edition, the Ministry of the Environment of Japan), the Greenhouse Gas Protocol, the Emissions intensity database for calculating greenhouse gas emissions of organisations through the supply chain (Ministry of the Environment and Ministry of Economy, Trade and Industry, ver.3.3), and the GRI Standards.
Numerical results
Total numbers may not always match, due to the effect of rounding and other reasons.