Category
Environmental
GHG Emissions
| Item | 2020 | 2021 | 2022 | 2023 |
| Direct emissions (Scope 1) (t-CO₂e) |
22,192.9316 | 17,887.470 | 19,185.3151 | 18,874.8892 |
| Indirect emissions (Scope 2) (t-CO₂e) |
768,128.0670 | 716,979.2586 | 694,912.721 | 645,490.6474 |
| Total emissions (Scope 1+2) (t-CO₂e) |
790,320.9986 | 734,866.7286 | 714,098.0361 | 664,365.5366 |
| Emission intensity (t-CO₂e/million NTD) |
4.42 | 4.11 | 3.92 | 3.52 |
| Coverage in revenue( % ) | 100 | 100 | 100 | 100 |
Energy
| Item | 2020 | 2021 | 2022 | 2023 |
| Total consumption of "non-renewable energy"( MWh ) | 1,575,811 | 1,479,259 | 1,418,106 | 1,352,808 |
| Total amount of "purchased or self-produced" renewable energy ( MWh ) | 105 | 111 | 24,049 | 73,575 |
| Total cost of energy consumption( cost of purchased electricity) ( NT$ million ) | 3,436 | 3,698 | 3,812 | 4,219 |
| Coverage( % ) | 100 | 100 | 100 | 100 |
Self-installed Solar Power System
| Item | 2020 | 2021 | 2022 | 2023 |
| Installed capacity of self-installed Solar Power systems( kWp ) | 2,783 | 4,506 | 4,658 | 5,557 |
Green Procurement
| Item | 2020 | 2021 | 2022 | 2023 |
| Green procurement amount ( million NTD ) | 904 | 14,994 | 17,605 | 18,238 |
| Percentage of green procurement amount ( % ) | 1.08 | 22.37 | 28.67 | 29.39 |
Local Procurement
| Item | 2020 | 2021 | 2022 | 2023 |
| Percentage of local procurement( % ) | 80 | 89 | 97 | 96 |
Data Center Energy Efficiency
| Item | 2020 | 2021 | 2022 | 2023 |
| Average energy efficiency( PUE ) | 1.67 | 1.66 | 1.647 | 1.626 |
| Coverage (in total ICT group) (%) | 100 | 100 | 100 | 100 |
Power Consumption
| Item | 2020 | 2021 | 2022 | 2023 |
| Goal of Power Consumption (100M kWh) |
15.1 | 15.17 | 15.23 | 15.18 |
| Total power consumed (100M kWh) |
15.09 | 14.28 | 13.89 | 13.77 |
Water Consumption
| Water Resources( in million m3 ) | 2020 | 2021 | 2022 | 2023 |
| Water withdrawal | 2.297 | 2.170 | 2.175 | 2.168 |
| Water discharge | 0.680 | 0.598 | 0.566 | 0.635 |
| Total net fresh water consumption | 1.617 | 1.572 | 1.609 | 1.533 |
Waste Disposal
| 2020 | 2021 | 2022 | 2023 | |
| Waste recycled/reused（metric ton） | 3,846.6950 | 5,455.5190 | 5,220.0486 | 5,179.5849 |
| Total waste disposed（metric ton） | 3,498.1613 | 3,414.4116 | 1,912.969 | 1,875.1916 |
| Waste landfilled（metric ton） | 0 | 0 | 0 | 0 |
| Waste incinerated with energy recovery（metric ton） | 3,484.2413 | 3,369.5316 | 1,912.969 | 1,875.1916 |
| Incinerated without energy recovery（metric ton） | 0 | 0 | 0 | 0 |
| Waste otherwise disposed: Outsourcing（metric ton） | 13.92 | 44.88 | 0 | 0 |
| Waste with unknown disposal method（metric ton） | 0 | 0 | 0 | 0 |
| Data Coverage（%） | 100 | 100 | 100 | 100 |
Paperless Services
| Item | 2020 | 2021 | 2022 | 2023 |
| Paperless bills (in 10K) | 1,968 | 1,994 | 2,039 | 2,072 |
| Ratio of paperless bills (%) | 71 | 71 | 72 | 73 |
| Sheets of paper saved (in K) |
590,000 | 590,000 | 611,603 | 621,560 |
| Trees in conversion | 53,673 | 54,382 | 55,600 | 56,505 |
| Carbon emissions reduced (metric ton) | 10,627 | 10,768 | 11,009 | 11,188 |