Category
Environmental
GHG Emissions
| Item | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|
| Direct emissions (Scope 1) (t-CO₂e) |
19,185.3151 | 18,874.8892 | 20,315.1166 |
18,253.1898 |
| Indirect emissions (Scope 2) (t-CO₂e) |
694,912.7210 | 645,490.6474 | 604,979.4866 |
578,527.4177 |
| Total emissions (Scope 1+2) (t-CO₂e) |
714,098.0361 | 664,365.5366 | 625,294.6032 |
596,780.6075 |
| Emission intensity (t-CO₂e/million NTD) |
3.92 | 3.52 | 3.24 |
3.02 |
| Coverage in revenue( % ) | 100 |
100 | 100 | 100 |
Energy
| Item | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|
| Total consumption of "non-renewable energy"( MWh ) | 1,418,106 | 1,352,808 | 1,323,953 | 1,262,738 |
| Total amount of "purchased or self-produced" renewable energy ( MWh ) | 24,049 | 73,575 | 72,604 |
90,912 |
| Coverage( % ) | 100 | 100 | 100 | 100 |
Note: The total use of renewable energy included 88.954 million kWh purchased for resale and 1.958 million kWh of self-generated and self-used electricity (a total of 90.912 million kWh). Of this amount, T-RECs have not been obtained for 383,000 kWh of self-generated and self-used electricity, but this still materially contributed to operating electricity consumption and reduced greenhouse gas emissions.
Self-installed Renewable Power System
| Item | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|
| Installed capacity of self-installed renewable power systems (kWp) | 4,658 | 5,557 | 12,059.4 |
13,131.4 |
Green Procurement
| Item | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|
| Green procurement amount ( million NTD ) | 17,605 | 18,238 | 37,925 | 24,708 |
| Percentage of green procurement amount ( % ) | 28.67 | 29.39 | 55.01 | 49.82 |
Local Procurement
| Item | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|
| Percentage of local procurement( % ) | 97 | 96 | 93 | 96 |
Data Center Energy Efficiency
| Item | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|
| Average energy efficiency( PUE ) | 1.647 | 1.626 | 1.61 | 1.587 |
| Coverage (in total ICT group) (%) | 100 | 100 | 100 | 100 |
Power Consumption
| Item | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|
| Goal of Power Consumption (100M kWh) |
15.23 | 15.18 | 15.03 |
14.80 |
| Total power consumed (100M kWh) |
13.89 | 13.77 | 13.49 |
13.11 |
Water Consumption
| Water Resources( in million m³ ) | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|
| Water withdrawal | 2.175 | 2.168 | 2.161 | 1.986 |
| Water discharge | 0.566 | 0.635 | 0.649 | 0.581 |
| Total net fresh water consumption | 1.609 | 1.533 | 1.512 | 1.405 |
Waste Disposal
| 2022 | 2023 | 2024 | 2025 | |
|---|---|---|---|---|
| Waste recycled/reused（metric ton） | 5,220.0486 | 5,179.5849 | 5,478.98 | 4,919.3960 |
| Total waste disposed（metric ton） | 1,912.969 | 1,875.1916 | 1,850.65 | 1,519.2135 |
| Waste landfilled（metric ton） | 0 | 0 | 0 | 0 |
| Waste incinerated with energy recovery（metric ton） | 1,912.969 | 1,875.1916 | 1,850.6506 | 1,519.2135 |
| Incinerated without energy recovery（metric ton） | 0 | 0 | 0 | 0 |
| Waste otherwise disposed: Outsourcing（metric ton） | 0 | 0 | 0 | 0 |
| Waste with unknown disposal method（metric ton） | 0 | 0 | 0 | 0 |
| Data Coverage（%） | 100 | 100 | 100 | 100 |
Paperless Services
| Item | 2022 | 2023 | 2024 | 2025 |
|---|---|---|---|---|
| Paperless bills (in 10K) | 2,039 | 2,072 | 2,112 |
2,128 |
| Ratio of paperless bills (%) | 72.1 | 72.8 | 73.2 |
73.6 |
| Sheets of paper saved (in K) |
611,603 | 621,560 | 633,598 | 638,500 |
| Trees in conversion | 55,600 | 56,505 | 57,600 |
58,045 |
| Carbon emissions reduced (metric ton) | 4,159 | 4,227 | 4,308 |
4,342 |