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Annual performance
The Company has continued to demonstrate a strong commitment to environmental management and sustainable governance, responding to global climate action demands with tangible results. During the year, the Company conducted a comprehensive group-wide greenhouse gas inventory and obtained external third-party verification, ensuring data transparency and reliability, and laying a solid foundation for the formulation of subsequent carbon reduction strategies and performance tracking.
In terms of energy transition, the group-wide proportion of green electricity usage increased to 42.19%, with a total of 17.55 million kWh of renewable energy adopted, effectively reducing the Company’s operational carbon footprint and supporting the development of the renewable energy market. Water resource management also achieved measurable results: compared with the 2022 baseline year, total group-wide water withdrawal decreased by 46.76 million liters, representing a reduction of 15%, reflecting the Company’s continuous efforts to enhance process efficiency and water recycling and reuse. In addition, compared with the baseline year, group-wide Scope 1 and Scope 2 greenhouse gas emissions were reduced by 9,037 metric tons of CO₂-equivalent, a reduction of as much as 37%, demonstrating significant achievements through the adoption of energy-saving technologies, equipment improvements, and the use of green electricity.
The Company also continues to maintain IECQ QC 080000 certification, demonstrating high standards in hazardous substance management and the implementation of comprehensive controls across design, procurement, and manufacturing processes. Overall, through systematic management and continuous innovation, the Company is steadily advancing the reduction of its environmental footprint and taking more resilient steps toward sustainable operations.
42.19 %
Renewable electricity ratio
46.76 million liters
Water withdrawal reduction
9037 tCO₂e
Category 1, Category 2 greenhouse gas emission reduction
Clearance and Disposal
In 2024, the total amount of waste generated by the Company was 1,645.378 metric tons, including 92.354 metric tons of hazardous business waste, accounting for 5.61%, and 1,553.024 metric tons of non-hazardous business waste, accounting for 94.39%. The increase in waste generation compared to the previous year was primarily due to large-scale scrapping of inventory from discontinued product models at the factories during the year.
IIn addition to efforts to reduce waste at the source, Sunon is committed to enhancing the resource value of existing waste. Under the premise of complying with local regulations and utilizing feasible technologies, the Company actively adopts recycling and reuse methods to maximize the effective use of waste materials. In 2024, 19.36% of the hazardous business waste was processed through recycling, accounting for 1.09% of the Company’s total annual waste.
Total Table of Business Waste Generation, Disposal Transfer and Direct Disposal (Unit: metric tons)
| Year | Item | Generated Amount | Disposal Transfer Amount | Direct Disposal Amount |
|---|---|---|---|---|
| 2024 | Hazardous Business Waste | 92.354 | 17.878 | 74.476 |
| Non-hazardous Business Waste | 1,553.024 | 1,356.780 | 196.244 | |
| Total | 1,645.378 | 1,374.658 | 270.720 | |
| 2023 | Hazardous Business Waste | 148.448 | 16.189 | 132.259 |
| Non-hazardous Business Waste | 897.154 | 681.833 | 215.321 | |
| Total | 1,045.602 | 698.022 | 347.580 | |
| 2022 | Hazardous Business Waste | 110.684 | 93.505 | 17.179 |
| Non-hazardous Business Waste | 1,112.728 | 873.637 | 239.091 | |
| Total | 1,223.412 | 967.142 | 256.270 |
Note 1: The disclosure scope of this table is Kaohsiung Headquarters (manufacturing factory), Kunshan Guangxing Factory, Beihai Sunon Factory, Beihai Lizhun Factory, and Philippines Sunon Factory.
Note 2: All waste treatment is outsourced (off-site treatment).
Note 3: The disposal transfer method is recycling, and the direct disposal methods are landfill, incineration and physical treatment.
Note 4: The disposal amounts for 2022 and 2023 have been revised to include all forms of waste disposal, including direct disposal, transferred disposal, and waste sold for reuse.
Business Waste Disposal Detailed Classification
| Disposal Type | Waste Type | Direct Disposal Method | 2022 | 2023 | 2024 |
| Disposal Transfer | Hazardous | Other Recycling Operations | 93.505 | 16.189 | 17.878 |
| Non-Hazardous | Other Recycling Operations | 873.637 | 681.833 | 1,356.780 | |
| Total Disposal Transfer Amount | 967.142 | 698.022 | 1,374.658 | ||
| Direct Disposal | Hazardous | Landfill | 0 | 0 | 0.004 |
| Incineration (excluding energy recovery) | 17.179 | 126.439 | 74.472 | ||
| Othe direct treatment | 0 | 5.820 | 0 | ||
| Total | 17.179 | 132.259 | 74.476 | ||
| Non-Hazardous | Landfill | 1.401 | 21.951 | 24.704 | |
| Incineration (excluding energy recovery) | 237.690 | 190.860 | 158.540 | ||
| Othe direct treatment | 0 | 2.510 | 13.000 | ||
| Total amount | 239.091 | 215.321 | 196.244 | ||
| Total Direct Disposal Amount | 256.270 | 347.580 | 270.720 | ||
Note 1: Other direct handling methods include physical disposal.
Note 2: The disposal amounts for 2022 and 2023 have been revised to include all forms of waste disposal, including direct disposal, transferred disposal, and waste sold for reuse.