Data

Environmental accounting

Environmental Accounting

Environmental accounting

Komatsu fully reports on the content of our environmental accounting systems in order to obtain an objective and accurate evaluation of our environmental conservation activities.

Environmental costs (investments and expenses)

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Komatsu and Komatsu Group manufacturing facilities in Japan (except group companies in the facilities),
Field Testing Department and Manda area
Category Investment Expenses
FY2021 FY2022 FY2021 FY2022
Investment*1
(millions of yen)		 Investment*1
(millions of yen)		 Contents Expenses*1
(millions of yen)		 Expenses*1
(millions of yen)		 Contents
1.Business area cost 1,762 2,174   2,180 2,291  
Breakdown (1).
Pollution prevention cost		 434 342
  • Countermeasure construction for torrential rain, installation of water quality monitoring equipment, etc.
 328 356
  • Environmental measurement and sludge/soil treatment costs
(2).
Global environmental conservation cost		 1,008 1,638
  • Installation of solar panels, etc.
 969 936
  • Biomass boiler fuel and other facilities maintenance costs, etc.
(3).
Resource circulation cost		 320 195
  • Installation of soil classification systems, etc.
 883 999
  • Waste material processing cost
2.Upstream/
downstream cost		 0 2
  • Installation of pallets for large frames, etc.
 316 661
  • Reduction of the environmental impact of mass-production units
3.Administration cost 58 47
  • Greening of the area around manufacturing sites, etc.
 1,100 1,146
  • Cost of creating green spaces and beautifying manufacturing sites
  • Biodiversity survey costs
4.R&D cost 191 4,342
  • Investment in air conditioning and ventilation equipment for engine testing and electrode foil coating machine, etc.*2
 19,963 25,343
  • Cost of R&D activities to reduce the environmental impact of products
  • Cost of R&D activities to develop environmentally-friendly construction equipment
  • Depreciation of investment in development facilities*2
5.Social activity cost 0 0   9 10
  • Cost of community beautification activities
  • Membership fee for local environmental groups
6.Environmental remediation cost 0 0   366 121
  • Soil contamination remediation costs
Total 2,011 6,564   23,944 29,572  
  1. All figures are rounded off to the nearest million yen.
  2. From FY2022, the capital investment and depreciation expenses of the Development Division are included.

Environmental effects

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Environmental impact reduction effects

Komatsu and Komatsu Group manufacturing facilities in Japan
Items of environmental impact Change of amount (t/year) Rate of year-on-year changes (%)
CO2 emissions 6,220 +3
Water input -143,526 -7
Waste materials generation 1,032 +6

Economic benefits

Komatsu and Komatsu Group manufacturing facilities in Japan (except group companies in the facilities),
Field Testing Department and Manda area
Tangible benefits Avoidance benefits of environmental risks*2 Contribution to profits*2
Type Monetary value*1
(millions of yen)		 Major activities
Energy conservation 372 Full-scale operation of biomass gas power generation, etc.
  • In FY2022, there were no major accidents or legal infractions that would contaminate the environment.
  • No litigation costs were required in Japan during FY2022.
  • Proceeds from mobile recycling equipment
  • Proceeds from value added due to reduced environmental impact of products
Resource conservation 50 Reduce heavy oil for heating and cooling by biomass utilization
Waste materials reduction 187 Control the amount of waste generated and promotion of recycling through thoroughgoing sorting
Gain on sale of valuables 768 Sale of scrap, used paper, waste oil, etc.
Other 0 -
Total 1,377  
  1. Figures are rounded off to the nearest million yen.
  2. Komatsu used statements instead of numeral figures to describe the "Avoidance benefits of environmental risks" and the "Contribution to profits". We will give further consideration to the interpretation and the understanding of efficiency.

Effects on society *1

Environmental impact reduction effects
  • Environmental impact reduction resulting from on-site recycling methods
  • Environmental impact reduction resulting from product operation
  • Waste components reduction resulting from "Reman" business
Tangible benefits
  • Reduction of expenses for processing waste materials
  • Savings in operating and maintenance costs
  • Reduction of repair costs
  1. We are aware of the potential impacts on society that could arise from the use of our products. Qualitative information regarding the most significant effects are referenced here.
komatsu csr, env, corporate communication, 情報戦略本部, production division, Procurement Division, Development Division, Construction Equipment Marketing Division, ライフサイクル事業部