Goals and achievement

YOKE’s first step towards climate change response began with our risk assessment and inventory of GHG emissions. The risk assessment enabled us to gain a preliminary understanding of the risks involved. At the same time, we sought to establish a functional set of performance indicators that we can rely on for climate change mitigation and adaptation through a standardized collection procedure of quantified data taken from our GHG inventory.

The total emissions for Scope 1 and 2 in 2021 came to 5,004.80 metric tons of CO2e and the figures have been verified by an external certification body.Using 2019 as the base year, our total emission for 2021 fell by 384.69 metric tons of CO2e. (7.14% decrease) The decrease of 29.14 metric tons of CO2e (13.09% decrease) in Scope 1 was mainly due to the impact of the global COVID-19 epidemic, which resulted in lower methanol usage in the Company’s vehicle diesel use and thermal treatment processes compared to 2019. The decrease of 355.55 metric tons of CO2e (6.88%) in Scope 2 was also due to the stabilization of the COVID-19 epidemic and the recovery of production, but the plant utilization rate had not yet returned to 2019 levels. The greenhouse gas emission intensity was 1.77 in 2021, and with a reduction of revenue by 10% compared to 2019, the greenhouse gas emission intensity has been slightly equal to 2019. This shows that YOKE is still effective in improving the greenhouse gas emission despite the impact on production efficiency.

In addition, for the first time in 2021, an inventory was conducted for Scope 3, and the emissions of 999.74 metric tons of CO2e in 2021 were included in the inventory through the results of the assessment of significant indirect greenhouse gas emissions in accordance with ISO 14064-1:2018 standard, "emissions from purchased goods".

Year 2019 2020 2021
Operation Site Factory 1, Factory 2 Factory 1, Factory 2 Factory 1, Factory 2
Scope 1 (direct greenhouse gas emissions and removal) 222.68 187.35 193.54
Scope 2 (indirect greenhouse gas emissions from imported energy) 5,166.81 4,342.92 4,811.26
Scope 1 and 2 combined 5,389.49 4,530.27 5,004.80
Greenhouse emission intensity (metric tons of CO2e/million NT$) 1.75 1.91 1.77
Scope 3 (emissions from purchased goods) (Not inventorized) (Not inventorized) 999.74

Note 1: Scopes 1, 2, 3 of the unit: metric tons of CO2e

Note 2: The greenhouse inventory was implemented in accordance with ISO 14064-1:2018 version, and SGS has been commissioned to conduct the third-party verification.

Note 3: Category 2 emissions are attributed to electrical power, and in 2021 we adopted the latest emission coefficient of 0.502 metric tons of CO2e/kilowatt as published by the Energy Bureau in 2020.

Note 4: For fuel and refrigerant emission coefficients, we referred to Emission Factor Table 6.0.4 from the research summary of greenhouse gas emissions published by the Environmental Protection Agency, Executive Yuan.


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