ESG Data

ESG (Environmental, Social and Governance) data for our business activities is available below.
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CO2 Emissions

Item Boundary Coverage
(FY2023)		 FY2019 FY2020 FY2021 FY2022 FY2023
Third-party guarantee for Scope 1 emissions and Scope 2 emissions - ◯ ◯ ◯ ◯ Planning to obtain in March 2025
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 - 6,581 0.10 5,746 0.09 7,976 0.13 5,747 ✔ 0.09 5,451 0.10
Group 100% 25,169 - 25,420 - 27,687 - 88,383 ✔ - 28,432 -
Scope 2 [Jump to the applicable section2]
(market-based)		 Indirect GHG emissions from consumption of purchased electricity, heat or steam KDDI - 1,041,559 16.13 1,049,105 16.28 1,090,954 17.71 944,876 ✔ 15.23 641,922 11.42
Group 100% 1,352,131 - 1,296,381 - 1,492,048 - 1,318,013 ✔ - 975,173 -
Scope 2 [Jump to the applicable section2]
(location-based)		 Group 100% 1,486,924 - 1,475,724 - 1,614,118 - 1,475,170 ✔ - 1,411,040 -
Total of Scope 1 + 2 emissions
(market-based)		 KDDI - 1,048,140 - 1,054,850 - 1,098,929 - 950,622 ✔ - 641,922 -
Group 100% 1,377,300 - 1,321,801 - 1,519,735 - 1,406,396 ✔ - 1,003,605 -
Scope 3 [Jump to the applicable section3] Category 1 Purchased goods and services KDDI - 3,529,472 54.65 3,581,713 55.57 3,373,587 54.77 3,388,959 54.64 3,251,795 ✔ 57.84
Category 2 Capital goods 1,584,908 24.54 1,486,988 23.07 1,367,518 22.20 1,464,526 23.61 1,477,618 ✔ 26.28
Category 3 Fuel- and energy-related activities not included in Scopes 1 and 2 40,188 0.62 41,729 0.65 43,950 0.71 153,839 2.48 117,113 ✔ 2.08
Category 4 Upstream transportation and distribution 7,408 0.11 7,183 0.11 12,035 0.20 6,292 0.10 5,072 ✔ 0.09
Category 5 Waste generated in operations 413 0.01 464 0.01 485 0.01 160 [Jump to the applicable section4] 0.01 141 ✔ 0.00
Category 6 Business travel 4,955 0.08 662 0.01 908 0.01 6,114 0.10 6,271 ✔ 0.11
Category 7 Employee commuting 5,043 0.08 1,897 0.03 2,430 0.04 2,088 0.03 1,777 ✔ 0.03
Category 8 Upstream leased assets 784 0.01 514 0.01 527 0.01 527 0.01 487 ✔ 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 237,008 3.67 268,754 4.17 259,227 4.21 228,485 3.68 113,206 ✔ 2.01
Category 12 End-of-life treatment of sold products 205 0.00 150 0.00 127 0.00 979 0.02 918 ✔ 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
5,410,384 83.77 5,390,054 83.63 5,060,794 82.16 5,251,969
[Jump to the applicable section5]		 84.67 4,974,398 ✔ 88.48
Total of Scope 1 + 2 + 3 emissions KDDI - 6,458,524 100 6,444,904 100 6,159,723 100 6,202,591
[Jump to the applicable section6]		 100 5,621,771 100
  • [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.
  • [4]
    Stated figure is corrected.
    Incorrect: 464
    Correct: 160
  • [5]
    Stated figure is corrected.
    Incorrect: 5,252,273
    Correct: 5,251,969
  • [6]
    Stated figure is corrected.
    Incorrect: 6,202,895
    Correct: 6,202,591
  • Recent data with third-party guarantees ✔.
  • The coverage is calculated based on operating revenue.

Energy

Item Boundary Coverage
(FY2023)		 Unit FY2019 FY2020 FY2021 FY2022 FY2023
Electric power consumption KDDI - 1,000kWh 2,262,524 2,357,458 2,468,974 2,216,734 ✔ 2,162,465
Group 100% 3,079,800 3,198,506 3,634,732 3,387,049 ✔ 3,328,127
Electric power consumption derived from renewable energy sources Group - 1,000kWh 169,349 338,319 379,173 488,544 ✔ 967,131
Total generated renewable energy KDDI - 1,000kWh 17,406 17,566 17,664 16,649 16,240
Energy usage at equipment-related facilities KDDI - 1,000kWh 903,111 947,613 1,009,802 1,039,214 1,043,504
Data center Power Usage Effectiveness [Jump to the applicable section1] Group 100% - 1.66 1.62 1.60 1.57 1.56
Fuel consumption [Jump to the applicable section2] KDDI - kℓ 544 345 364 546 ✔ 393
  • [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 FY2019 FY2020 FY2021 FY2022 FY2023
Third-party verification of water usage (non-consolidated/consolidated basis) - - - ◯ ◯ ◯ ◯ Planning to obtain in March 2025
Third-party verification of industrial waste (non-consolidated/consolidated basis) - - - ◯ ◯ ◯ ◯ Planning to obtain in March 2025
Industrial Waste [Jump to the applicable section1] Discharge Amount KDDI - t 1,941 2,318 1,945 1,186 [Jump to the applicable section4] ✔ 1,136
Recycling Amount 792 1,073 1,714 299 138
Final Disposal Amount kg - - - 15 200
Discharge Amount Group 100% t 3,753 3,319 4,822 4,216 ✔ 8,069
Recycling Amount [Jump to the applicable section3] - - - 1,571 285
Final Disposal Amount - - - 205 531
Water usage [Jump to the applicable section2] Water withdrawal KDDI - m3 395,134 841,758 937,826 878,595 ✔ 755,299
Group 100% 674,869 1,156,206 1,630,890 2,050,273 ✔ 1,803,453
Water Discharge Volume Group 100% 674,869 1,156,206 1,630,890 2,050,273 1,803,453
Paper usage KDDI - t 9,512 8,798 5,313 6,809 6,370
Reduction of paper by putting bills on the Web KDDI - t 4,207 4,962 5,180 5,358 5,548
Mobile Phone Recycling Collection Results KDDI - ten thousand units 279 258 260 217 192
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
  • [4]
    Stated figure is corrected.
    Incorrect: 1,688
    Correct:1,186
  • Recent data with third-party guarantees ✔.
  • The coverage is calculated based on operating revenue.

Environmental Management System

Item Unit FY2023
ISO 14001 Certification Rate [Jump to the applicable section1] % 100
  • [1]
    The percentage of certified facilities among the target facilities (facilities designated as Type 1 or Type 2 Energy Management specified factories, etc.)

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