Environmental Performance

Since 2012, the introduction of ISO14064-1 GHG examination ensures data quality pass third-party verification every year.

Since 2012 when TWM adopted the ISO14064-1 standard, GHG inventories have undergone third-party verification annually to ensure the quality of the data. The main source of emissions is electricity (98%); the remaining sources include company vehicles, generators, refrigerants, fire extinguishers, and septic tanks.

GHG reduction targets

Short-term 2022

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Short-term

Long-term 2050
Greenhouse gas inventory (Scope 1/2)
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Item 2019 2020 2021 20221
Scope1 (Direct Emissions) (ton-CO2) 6,327.10 5,558.37 6,177.80 5,331.63
Scope 2 (Indirect Emissions) (ton-CO2e) - Location Based 2 229,792.43 235,146.95 269,124.54 282,140.61
Scope 2 (Indirect Emissions) (ton-CO2e) - Market Based2 229,611.74 235,146.95 269,124.54 282,096.83
Total Carbon Emissions (Scope1+2) (ton-CO2) - Location Based 2 236,119.53 240,705.32 275,302.34 287,472.24
Total Carbon Emissions (Scope 1+2) (ton-CO2e) - Market Based2 235,938.84 240,705.32 275,302.34 287,428.46
Emission intensity = total carbon emissions geographically/combined revenue (ton-CO2e /NTD million)3 3.21 3.55 3.92 3.99
Note 1Used the 2021 emissions factor for electricity issued by the Bureau of Energy under the Ministry of Economic Affairs to calculate Scope 2 carbon emissions for 2022
Note 2According to the GHG Protocol Scope 2 Guidance, reporting of Scope 2 emissions related to the purchase of renewable energy certificates has been required to be done two ways since 2018: one based on the location-based method, and one based on the market-based method.
Note 3Consolidated revenue does not include revenue of momo
GHG inventory (scope 3)
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Indirect Greenhouse Gas Emissions

Water consumption
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Items 2019 2020 2021 2022
Main office buildings(TWM、HBG、Mymusic) 84,569 84,440 67,850 65,793
Direct branch stores 48,702 48,615 44,349 45,969
Telecom control center and base station 119,213 117,507 112,270 116,127
Server room(HBG、IT) 10,625 10,233 10,166 9,468
IDC 36,128 42,265 44,192 57,433
Total water used(M³) 299,237 303,060 278,827 294,790
Waste recycled/ reused, and disposed
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Items Unit 2019 2020 2021 2022
Total waste recycled/ reused Tonnes 921.1939 1,024.5867 835.1277 838.5945
Total waste disposed Tonnes 846.9307   924.4605 789.9376 664.8243
Waste landfilled  Tonnes 17.7009 23.9435 30.8076 30.7149
Waste incinerated with energy recovery Tonnes 829.2299 900.5169 759.1300 634.1095
Total waste Tonnes 1,768.1246 1,949.0471 1,625.0653 1,503.4188
  Unit Waste Disposed
2017 Base year Tonnes 1,203.5409
2022 Target year Tonnes 1,010.9744
2022 Performance Tonnes 664.8243
Reduction from base year(%) % 44.76%
Total nonrenewable energy consumption
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Items 2019 2020 2021 2022
Gasoline (MWh) 6,085.34 7,249.97 8,186.16 5736.08
Diesel (MWh) 674.44 477.29 444.99 537.94
Natural gas (MWh) 1 - - - 0.48
Electricity (MWh) 431,130.26 461,978.29 536,104.66 554,303.75
total non-renewable Energy consumption (MWh) 437,890.04 469,705.55 544,735.82 560,578.25
Note 1Consolidated revenue deducted by revenue of momo

Total costs of energy consumption
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Items 2019 2020 2021 2022
Gasoline (L) 670,741.55 799,110.18 902,299.26 632,244.84
Avg. price (NTD/L) 28.64 23.74 28.95 31.31
Diesel (L) 65,890.72 46,629.76 43,474.67 52,555.50
Avg. price (NTD/L) 25.00 19.46 24.68 27.36
Natural gas (m33) - - - 52.00
Avg. price (NTD/m3) - - - 10.38
Electricity (KWh) 431,130,258.97 461,978,292.09 536,104,661.12 554,303,746.41
Avg. price (NTD/KWh) 3.30 3.30 3.30 3.60
Total costs of energy consumption (NTD) $1,443,589,396 $1,544,403,991 $1,796,339,900 $2,016,727,531
Total renewable energy purchased or generated for own consumption
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Items 2019 2020 2021 2022
green electricity purchased (MWh) - - - -
Solar power from TWM generators (MWH) 189.94 383.93 364.81 486.00
Wheeling* - 205.01 7,253.59 25,564.93
Wind power from TWM generators (MWH) - - - -
T-REC (MWH) 339.00 - - 86.00
I-REC (MWH) - - - -
total renewable energy purchased or generated (MWH) 528.94 588.93 7,618.39 26,136.93
Note 1Wheeling” means that an electricity transmission and distribution corporation installs power grids through Taipower to transmit and distribute electricity for TWM.
Data Center Efficiency
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Average PUE FY 2019 FY 2020 FY 2021 FY 2022
1.79 1.73 1.67 1.65
ICT population defined as:
Percentage of data center energy input
100% 100% 100% 100%
Share of Renewable Energy in Data Centers
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Data Center Energy Usage FY 2019 FY 2020 FY 2021 FY 2022
Total energy used in data centers (MWh) 23851 MWh 28456 MWh 32675 MWh 37825 MWh
Percentage of renewable
energy (of total energy)
1.42% 1.82% 23.32% 68.87%