Environmental

GHG Emissions

Item 2021  2022 2023 2024 
Direct emissions
(Scope 1) (t-CO₂e)
17,887.4700
19,185.3151 18,874.8892 20,315.1166
Indirect emissions
(Scope 2) (t-CO₂e)
716,979.2586
694,912.7210 645,490.6474 604,979.4866
Total emissions
(Scope 1+2) (t-CO₂e)
734,866.7286
714,098.0361 664,365.5366 625,294.6032
Emission intensity
(t-CO₂e/million NTD)
4.11
3.92 3.52 3.24
Coverage in revenue( % ) 100
100 100 100

Energy

Item 2021 2022 2023 2024 
Total consumption of "non-renewable energy"( MWh ) 1,479,259 1,418,106 1,352,808 1,323,953
Total amount of "purchased or self-produced" renewable energy ( MWh ) 111 24,049 73,575 72,604
Coverage( % ) 100 100 100 100

Self-installed Renewable Power System

Item 2021 2022 2023 2024 
Installed capacity of self-installed renewable power systems (kWp) 4,506 4,658 5,557 12,059.4

Green Procurement

Item 2021 2022 2023 2024
Green procurement amount ( million NTD ) 14,994 17,605 18,238 37,925
Percentage of green procurement amount ( % ) 22.37 28.67 29.39 55.01

Local Procurement

Item 2021 2022 2023 2024
Percentage of local procurement( % ) 89 97 96 93

Data Center Energy Efficiency

Item 2021 2022 2023 2024
Average energy efficiency( PUE ) 1.66 1.647 1.626 1.61
Coverage (in total ICT group) (%) 100 100 100 100

Power Consumption

Item 2021 2022 2023 2024
Goal of Power Consumption
(100M kWh)
15.17 15.23 15.18 15.03
Total power consumed
(100M kWh)
14.28 13.89 13.77 13.53

Water Consumption

Water Resources( in million m³ ) 2021 2022 2023 2024
Water withdrawal 2.170 2.175 2.168 2.161
Water discharge 0.598 0.566 0.635 0.649
Total net fresh water consumption 1.572 1.609 1.533 1.512

Waste Disposal


2021 2022 2023 2024
Waste recycled/reused(metric ton) 5,455.5190 5,220.0486 5,179.5849 5,478.98
Total waste disposed(metric ton) 3,414.4116 1,912.969 1,875.1916 1,850.65
Waste landfilled(metric ton) 0 0 0 0
Waste incinerated with energy recovery(metric ton) 3,369.5316 1,912.969 1,875.1916 1,850.6506
Incinerated without energy recovery(metric ton) 0 0 0 0
Waste otherwise disposed: Outsourcing(metric ton) 44.88 0 0 0
Waste with unknown disposal method(metric ton) 0 0 0 0
Data Coverage(%) 100 100 100 100

Paperless Services

Item 2021 2022 2023 2024
Paperless bills (in 10K) 1,994 2,039 2,072 2,112
Ratio of paperless bills (%) 71 72 73 73
Sheets of paper saved
(in K)
590,000 611,603 621,560 633,598
Trees in conversion 54,382 55,600 56,505 57,600
Carbon emissions reduced (metric ton) 10,768 11,009 11,188 11,405
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