Environmental Approach

Flow of Energy and Materials

Flow of Energy and Materials
Scope:
Tsubakimoto Chain Co. (Kyotanabe & Saitama plants), Tsubaki E&M Co., Tsubakimoto Custom Chain Co., Tsubakimoto Sprocket Co., Tsubakimoto Bulk Systems Corp., Tsubakimoto Mayfran Inc., Tsubakimoto Iron Casting Co., Ltd., Tsubaki Yamakyu Chain Co.
Period covered:
April 1, 2015 to March 31, 2016

Changes in key environmental performance indicators

  FYE 2006 FYE 2012 FYE 2013 FYE 2014 FYE 2015 FYE 2016
INPUT Raw materials (t) 67,880 67,202 63,151 66,051 71,559 69,573
Energy consumption (GJ) 1,385,890 1,428,268 1,364,853 1,382,181 1,432,942 1,442,627
Water consumption (1,000 m3) 433 408 396 309 396 457
OUTPUT CO2 emissions (tons of CO2) 59,317 57,921 55,609 56,242 58,198 57,622
Non-industrial waste (t) 592 450 425 439 494 580
Industrial waste (t) 5,248 5,225 4,746 4,739 4,787 5,199
Amount recycled (t) 4,643 5,574 5,070 5,128 5,179 5,668
Recycling rate (%) 80 98 98 98 98 98
Valuables (t) 19,114 22,806 22,137 22,377 23,012 22,902
Release/transfer of hazardous chemical substances under the PRTR Law (t)
164 157 143 124 124 140
Consolidated net sales (¥100 millions) 1,477 1,449 1,500 1,780 1,967 2,039

Various Data

Breakdown of energy consumption
Breakdown of energy consumption
CO2 emissions
CO2 emissions
Waste Emission & Recycling Rate (Yearly Average)
Waste Emission & Recycling Rate (Yearly Average)

Figures by Site

Kyotanabe Plant

FYE 2006 FYE 2012 FYE 2013 FYE 2014 FYE 2015 FYE 2016
CO2 emissions (t/year) 20,884 17,734 16,936 17,292 18,258 17,808
Index 100 85 81 83 87 85
Breakdown
(t/year)
Power 11,813 12,432 12,408 12,499 13,079 12,688
Butane gas 89 67 62 48 54 62
City gas 8,982 5,234 4,465 4,744 5,125 5,058
CO2 emission intensity 1.058 1.011 1.055 1.072 1.062 1.022
Index 100 96 100 101 100 97
Total waste (t/year) 788 548 592 636 596 667
Index 100 69 75 81 76 85
Recycling rate (%) 65 97 96 96 96 96

Saitama Plant

FYE 2006 FYE 2012 FYE 2013 FYE 2014 FYE 2015 FYE 2016
CO2 emissions (t/year) 21,833 22,512 21,790 21,804 22,471 22,800
Index 100 103 100 100 103 104
Breakdown
(t/year)
Power 15,882 18,596 18,175 17,900 18,578 19,215
No. 1 fuel oil 3,625 310 300 265 259 140
Butane gas 971 1,334 1,333 1,408 1,454 1,435
City gas 1,356 2,273 1,983 2,231 2,179 2,003
CO2 emission intensity 0.705 0.681 0.623 0.619 0.592 0.594
Index 100 97 88 87 84 84
Total waste (t/year) 2,178 1,984 1,804 1,628 1,772 1,774
Index 100 91 83 75 81 81
Recycling rate (%) 77 97 97 97 97 97

CO2 emissions throughout the supply chain (FYE 2016)

Scope: Tsubakimoto Chain and Tsubaki E&M (unit: Thousands of tons of CO2)
  Category   CO2
emissions
Composition
ratio
Notes
Scope 1 CO2 directly emitted by Tsubaki (from fuel usage) 10.5 2%  
Scope 2 CO2 indirectly emitted by Tsubaki (from electric power, etc.) 38.0 8%  
Scope 3 Cat 1 Purchased products and services 111.3 24% Calculations based on Ministry of Environment basic units
Cat 2 Capital goods 15.7 3% Calculations based on Ministry of Environment basic units
Cat 3 Fuel- and energy-related activities that do not fall under Scope 1 or 2 Not applicable
Cat 4 Transportation/delivery (upstream) Estimation method under review
Cat 5 Emissions from operations 0.14 0% Calculations based on Ministry of Environment basic units
Cat 6 Business trips 0.4 0% Calculations based on Ministry of Environment basic units
Cat 7 Employer commutes 1.3 0% Calculations based on Ministry of Environment basic units
Cat 8 Leased assets (upstream) Not applicable
Cat 9 Transportation/delivery (downstream) 2.4 1 Calculations based on Ministry of Environment basic units
Cat 10 Processing of products sold Not applicable
Cat 11 Application of products sold 273.6 60% Calculated using a standard scenario for each division
Cat 12 Disposal of products sold 1.8 0% Calculations based on Ministry of Environment basic units
Cat 13 Leased assets (downstream) Not applicable
Cat 14 Franchise Not applicable
Cat 15 Investments Not applicable
Tota 455.1  

Environmental materiality of the Tsubaki Group

Environmental materiality of the Tsubaki Group