Corporate Social Responsibility

Environmental Aspect
Environmental Accounting
Environmental protection
expenditure
Y2015 Y2016 Y2017 Y2018 Y2019
Taiwan Site
Unit: 100 million (NTD)
26.23 18.34 10.39 19.68 15.95
China Site
Unit: 100 million (RMB)
Not yet implemented Not yet implemented 0.02 0.07 0.10


Greenhouse Gas Inventory
Annual Emissions
(Unit: million tCO2e)
Y2014 Y2015 Y2016 Y2017 Y2018 Y2019
Scope1 Taiwan Site 0.495 0.428 0.440 0.425 0.365 0.349
China Site 0.016 0.011 0.015 0.011 0.004 0.001
Total 0.511 0.439 0.455 0.436 0.369 0.350
Scope2 Taiwan Site 2.681 2.388 2.277 2.690 2.879 2.787
China Site 0.454 0.416 0.338 0.344 0.354 0.383
Total 3.135 2.804 2.615 3.034 3.233 3.170
Electricity Consumption
Usage amount
(Unit: GWh)
Y2014 Y2015 Y2016 Y2017 Y2018 Y2019
Taiwan Site 4,583 4,548 4,772 5,109 5,117 5,243
China Site 443 407 347 371 376 433
Total 5,026 4,955 5,120 5,480 5,493 5,676


Water Consumption
Usage amount
(Unit: Mm3)
Y2014 Y2015 Y2016 Y2017 Y2018 Y2019
Taiwan Site 25.92 24.19 22.96 25.04 21.83 20.21
China Site 2.99 5.89 1.77 1.69 1.90 1.69
Total 28.91 30.08 24.73 26.73 23.73 21.90
Chemical recycling and reuse
Recycling Rate
(Unit: %)
Y2014 Y2015 Y2016 Y2017 Y2018 Y2019
Stripper 76.2% 77.2% 76.8% 77.1% 77.8% 78.4%
NMP 67.5% 82.4% 83.1% 80.1% 83.2% 73.1%
PGMEA 62.8% 68.3% 69.1% 73.0% 73.9% 67.4%
TMAH 20.1% 24.9% 38.4% 29.0% 29.5% 24.0%
Renewable energy
Solar Power Generation
(Unit: kWh)
Y2014 Y2015 Y2016 Y2017 Y2018 Y2019
Taiwan Site 85,861 87,038 61,781 62,444 65,470 52,132
China Site 0 1,211,300 23,160,437 24,852,350 23,788,020 23,938,140
Total 85,861 1,298,338 23,222,218 24,914,794 23,853,490 23,990,272
Waste disposal
Amount of waste
(Unit: tons)
Y2014 Y2015 Y2016 Y2017 Y2018 Y2019
General waste 82,095 68,476 66,605 83,709 76,288 87,319
Hazardous waste 29,169 29,218 31,951 32,420 28,422 25,982
Total 111,264 97,694 98,556 116,128 104,710 113,301