GHG and energy managemen
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.
GHG Inventory
In 2023 the total of Scopes 1 and 2 GHG emissions was 4,918.44tCO2e, and the Scope 3 GHG emissions (from purchased products) were 1,052.66tCO2e. All have passed third-party verification by external certification bodies. After relocating the processing process originally in Plant I to the processing plant (Plant V) in August 2023, we adjusted the scope of inventory of Plant 1 and reset the base year to 2023. Plant I emissions reduced after line relocation and order reduction because of global economic recession.
| Year | 2019 | 2020 | 2021 | 2022 | 2023 |
|---|---|---|---|---|---|
| Operation Site | Factory 1, Factory 2 | Factory 1, Factory 2 | 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 | 318.15 | 227.90 |
| Scope 2 (indirect greenhouse gas emissions from imported energy) | 5,166.81 | 4,342.92 | 4,811.26 | 7,354.34 | 4,690.54 |
| Scope 1 and 2 combined | 5,389.49 | 4,530.27 | 5,004.80 | 7,672.50 | 4,918.44 |
| Greenhouse emission intensity (metric tons of CO2e/million NT$) | 1.75 | 1.91 | 1.77 | 2.10 | 1.63 |
| Scope 3 (emissions from purchased goods) | (Not inventoried) | (Not inventoried) | 999.74 | 1,185.82 | 1,052.66 |
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 2023 we adopted the latest emission factor of 0.495 tCO2e/GWh as published by the Energy Bureau in 2022.
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.
Note 5: We adopted the global warming potential as stated in the IPCC AR5 for the GWP in 2013.
