ESG Data

ESG (Environmental, Social and Governance) data for our business activities is available below.
Download PDF fileESG Data Book

CO2 Emissions

Item Boundary Coverage
(FY2022)		 FY2018 FY2019 FY2020 FY2021 FY2022
Third-party guarantee for Scope 1 emissions and Scope 2 emissions - ◯ ◯ ◯ ◯ Planning to obtain in March 2024
Third-party verification of Scope 3 emissions - ◯ ◯ ◯ ◯ ◯
CO2Emissions - t % t % t % t % t %
Scope 1 [Jump to the applicable section1] All direct GHG emissions KDDI - 6,539 0.12 6,581 0.10 5,746 0.09 7,976 ✔ 0.13 5,747 0.09
Group 100% 25,511 - 25,169 - 25,420 - 27,687 ✔ - 88,383 -
Scope 2 [Jump to the applicable section2]
(market-based)		 Indirect GHG emissions from consumption of purchased electricity, heat or steam KDDI - 1,058,143 18.98 1,041,559 16.13 1,049,105 16.28 1,090,954 ✔ 17.71 944,876 15.23
Group 100% 1,369,942 - 1,352,131 - 1,296,381 - 1,492,048 ✔ - 1,318,013 -
Scope 2 [Jump to the applicable section2]
(location-based)		 Group 100% 1,486,429 - 1,486,924 - 1,475,724 - 1,614,118 ✔ - 1,475,170 -
Total of Scope 1 + 2 emissions
(market-based)		 KDDI - 1,064,683 - 1,048,140 - 1,054,850 - 1,098,929 ✔ - 950,622 -
Group 100% 1,395,453 - 1,377,300 - 1,321,801 - 1,519,735 ✔ - 1,406,396 -
Scope 3 [Jump to the applicable section3] Category 1 Purchased goods and services KDDI - 3,347,946 60.05 3,529,472 54.65 3,581,713 55.57 3,373,587 54.77 3,388,959 ✔ 54.64
Category 2 Capital goods 875,318 15.70 1,584,908 24.54 1,486,988 23.07 1,367,518 22.20 1,464,526 ✔ 23.61
Category 3 Fuel- and energy-related activities not included in Scopes 1 and 2 37,104 0.67 40,188 0.62 41,729 0.65 43,950 0.71 153,839 ✔ 2.48
Category 4 Upstream transportation and distribution 8,777 0.16 7,408 0.11 7,183 0.11 12,035 0.20 6,292 ✔ 0.10
Category 5 Waste generated in operations 710 0.01 413 0.01 464 0.01 485 0.01 464 ✔ 0.01
Category 6 Business travel 5,012 0.09 4,955 0.08 662 0.01 908 0.01 6,114 ✔ 0.10
Category 7 Employee commuting 4,034 0.07 5,043 0.08 1,897 0.03 2,430 0.04 2,088 ✔ 0.03
Category 8 Upstream leased assets 1,133 0.02 784 0.01 514 0.01 527 0.01 527 ✔ 0.01
Category 9 Downstream transportation and distribution 0 0.00 0 0.00 0 0.00 0 0.00 0 ✔ 0.00
Category 10 Processing of sold products 0 0.00 0 0.00 0 0.00 0 0.00 0 ✔ 0.00
Category 11 Use of sold products 229,913 4.12 237,008 3.67 268,754 4.17 259,227 4.21 228,485 ✔ 3.68
Category 12 End-of-life treatment of sold products 344 0.01 205 0.00 150 0.00 127 0.00 979 ✔ 0.02
Category 13 Downstream leased assets 0 0.00 0 0.00 0 0.00 0 0.00 0 ✔ 0.00
Category 14 Franchises 0 0.00 0 0.00 0 0.00 0 0.00 0 ✔ 0.00
Category 15 Investment 0 0.00 0 0.00 0 0.00 0 0.00 0 ✔ 0.00
4,510,291 80.90 5,410,384 83.77 5,390,054 83.63 5,060,794 82.16 5,252,273 ✔ 84.67
Total of Scope 1 + 2 + 3 emissions KDDI - 5,574,974 100 6,458,524 100 6,444,904 100 6,159,723 ✔ 100 6,202,895 100
  • [1]
    Heavy oil (crude oil), diesel, kerosene, town gas
  • [2]
    The CO2 emissions for power consumption are calculated using the emission factors furnished by electric utility operators. (Emissions from heat, steam, and hot and chilled water consumption are included.)
  • [3]
    Uses emission coefficients indicated in Japan's Ministry of the Environment's Overview of Basic Guidelines on Accounting for Greenhouse Gas Emissions throughout the Supply Chain.
  • Recent data with third-party guarantees ✔.
  • The coverage is calculated based on operating revenue.

Energy

Item Boundary Coverage
(FY2022)		 Unit FY2018 FY2019 FY2020 FY2021 FY2022
Electric power consumption KDDI - 1,000kWh 2,151,456 2,262,524 2,357,458 2,468,974 ✔ 2,216,734
Group 100% 2,930,568 3,079,800 3,198,506 3,634,732 ✔ 3,387,049
Electric power consumption derived from renewable energy sources Group - 1,000kWh 158,338 169,349 338,319 379,173 ✔ 488,544
Total generated renewable energy KDDI - 1,000kWh 17,998 17,406 17,566 17,664 16,649
Energy usage at equipment-related facilities KDDI - 1,000kWh 863,416 903,111 947,613 1,009,802 1,039,214
Data center Power Usage Effectiveness [Jump to the applicable section1] Group 100% - - 1.66 1.62 1.60 1.57
Fuel consumption [Jump to the applicable section2] KDDI - kℓ 330 544 345 364 ✔ 546
  • [1]
    For FY2019 to FY2021, the number of overseas data centers owned by KDDI is the subject
  • [2]
    Fuel consumption includes heavy oil, diesel and kerosene (but excludes city gas). The emission coefficient applied to GHG emissions calculation and reporting and disclosure system specified in the Act on Promotion of Global Warming Countermeasures is used.
  • Recent data with third-party guarantees ✔.
  • The coverage is calculated based on operating revenue.

Resources and Waste

Item Boundary Coverage
(FY2022)		 Unit FY2018 FY2019 FY2020 FY2021 FY2022
Third-party verification of water usage (non-consolidated/consolidated basis) - - - ◯ ◯ ◯ ◯ Planning to obtain in March 2024
Third-party verification of industrial waste (non-consolidated/consolidated basis) - - - ◯ ◯ ◯ ◯ Planning to obtain in March 2024
Industrial Waste [Jump to the applicable section1] Discharge Amount KDDI - t 1,927 1,941 2,318 1,945 ✔ 1,688
Recycling Amount - 792 1,073 1,714 299
Final Disposal Amount kg - - - - 15
Discharge Amount Group 100% t 3,303 3,753 3,319 4,822 ✔ 4,216
Recycling Amount [Jump to the applicable section3] - - - - 1,571
Final Disposal Amount - - - - 205
Water usage [Jump to the applicable section2] KDDI - m3 399,563 395,134 841,758 937,826 ✔ 878,595
Group 100% 730,259 674,869 1,156,206 1,630,890 ✔ 2,050,273
Paper usage KDDI - t 10,853 9,512 8,798 5,313 6,809
Reduction of paper by putting bills on the Web KDDI - t 4,041 4,207 4,962 5,180 5,358
Mobile Phone Recycling Collection Results KDDI - ten thousand units 288 279 258 260 217
Recycling rate % 99.8 99.8 99.8 99.8 99.8
  • [1]
    Nonhazardous industrial waste (telecommunications equipment, normal daily waste from KDDI buildings)
  • [2]
    Water supply, recycled water, well water, excluding waste water
  • [3]
    Main subsidiaries
  • Recent data with third-party guarantees ✔.
  • The coverage is calculated based on operating revenue.

Environmental Management System

Item Boundary Coverage
(FY2022)		 Unit FY2018 FY2019 FY2020 FY2021 FY2022
ISO 14001 Certification Rate [Jump to the applicable section1] Group 59% % - - - - 90
  • [1]
    Calculated based on the number of employees at certified business locations/total number of consolidated employees
  • The coverage is calculated based on operating revenue.

Environmental Accounting

Environmental Accounting

<FY2021 Scope of Environmental Accounting>

  • Period: April 1, 2021 to March 31, 2022
  • Scope of calculation: KDDI and KDDI Group companies [Jump to the applicable section1]
  • Calculation standard: Environmental Accounting Guidelines 2005 formu lated by the Japan's Ministry of the Environment, KDDI Environmental Accounting Guidelines
Environmental protection costs
Unit: Million yen
Environmental protection costs Transaction examples FY2019 FY2020 FY2021 Change from previous year boundary
Investment Cost Investment Cost Investment Cost Investment Cost
Business operation area costs Pollution prevention costs Pollution prevention costs stipulated by laws, costs for proper disposal of PCB, etc. 0 1 0 0 0 1 0 1 KDDI [Jump to the applicable section2]
Global environmental protection costs Power-saving wireless equipment for mobile base stations (Investment amount is calculated proportionally based on the power-saving effect) 98 10,034 19 2,027 1 1,765 ▲18 ▲262
Resource recycling costs Reduction of paper consumption, processing and dis posal of waste products 0 121 0 183 0 121 0 ▲62
Upstream/downstream costs Collection, recycling and reuse of merchandise and products 0 1,277 0 1,231 0 912 0 ▲319
Management costs Operation and updating of environmental ISO standards, disclosure of environmental information 0 114 0 98 0 103 0 5
R&D costs R&D of technology, equipment, handsets, products and services conducive to reducing the environmental impacts 0 0 0 85 0 55 0 ▲30
Social activity costs Donations and support for forest conservation activities and to environmental conservation groups 0 37 0 15 0 23 0 8
Environmental damage restoration costs Asbestos survey 0 0 0 0 0 0 0 0
Total 98 11,584 19 3,639 1 2,980 ▲18 ▲659
  • [1]
    Stated scope is corrected. (Apr. 2023)
    Incorrect: KDDI and 28 major group companies
    Correct: KDDI and KDDI Group companies
  • [2]
    Stated boundary is corrected. (Apr. 2023)
    Incorrect: KDDI and 28 major group companies
    Correct: KDDI
1. Environmental conservation benefits (physical)
Indicator category Unit FY2019 FY2020 FY2021 Change from previous year boundary
(1) Benefits for business operation area 1) Benefits related to resources input in business activities Electricity usage 1,000kWh 3,079,800 3,198,506 ✔ 3,638,802 440,296 Group
[Jump to the applicable section2]
Paper usage t 9,602 8,854 5,616 ▲3,238 Group
[Jump to the applicable section2]
Paper reduced by Bill on Web t 4,207.3 4,962.0 5,179.9 217.9 KDDI
[Jump to the applicable section3]
2) Benefits related to waste or environmental impact originating from business activities Greenhouse gas emissions [Jump to the applicable section1] t-CO2 1,377,299.9 1,321,801.2 ✔ 1,524,226.4 202,425.2 Group
[Jump to the applicable section2]
Industrial waste emissions related to telecommunications facilities and buildings t 3,753 3,319 ✔ 4,816 1,497 Group
[Jump to the applicable section2]
(2) Benefits for upstream/downstream costs Benefits related to goods and services produced from business activities Number of post-consumer mobile phones and other devices collected 10,000 units 279 258 260 2 KDDI
[Jump to the applicable section3]
  • [1]
    The CO2 emissions are calculated using the emission factors furnished by electric utility operators. (Emissions from heat, steam and hot and chilled water consumption are included.)
  • [2]
    Stated boundary is corrected. (Apr. 2023)
    Incorrect: KDDI and 28 major group companies
    Correct: Group
  • [3]
    Stated boundary is corrected. (Apr. 2023)
    Incorrect: KDDI and 28 major group companies
    Correct: KDDI
  • FY2020 data with third-party guarantees ✔.
2. Economic benefits of environmental conservation measures (yen)
Unit: Million yen
Substantial benefits (Major effects) FY2019 FY2020 FY2021 Change from previous year boundary
Revenues Revenues gained by disposal of telecommunications facilities and buildings 140.3 4,665.4 229.3 ▲4,436.1 KDDI [Jump to the applicable section1]
Cost reductions Reduction in energy costs by introducing low-pollution vehicles 35.5 32.7 39.9 7.2
Reduction in costs of new purchases by reusing old telecommunications facilities 4,850.6 2,650.2 2,419.1 ▲231.1
Total 5,026.4 7,348.2 2,688.3 ▲4,659.9
  • [1]
    Stated boundary is corrected. (Apr. 2023)
    Incorrect: KDDI and 28 major group companies
    Correct: KDDI
KDDI Targets for FY2030: Consolidated data
Consolidated electricity consumption Unit: 1,000kWh 3,513,024
Consolidated water resource input (basic unit) Unit: 1,000m3/person 12
Environment