In 2025, S-Oil conducted an environmental assessment and disclosed corporate waste management data in accordance with recognized sustainability reporting standards.The company provided a breakdown of its waste by type (hazardous vs non-hazardous) and treatment method (recovery vs disposal), enabling greater transparency into its waste handling and environmental practices.
| Metric (tonnes) | 2025 | 2024 | 2023 | 2022-2019 |
|---|---|---|---|---|
Total Waste Generated | 69,017a | 63,769a | 59,455a | |
Total Waste Recovered | 59,514a | 56,245a | 53,000a | |
Total Hazardous Waste Generated | 27,648a | 25,228a | 21,923a | |
Non-Hazardous Waste Disposed | 2,161a | 2,402a | 4,628a |
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In 2025, S-Oil generated a total of 69,017metric tonnes of waste.a
Of this amount, 86.23% of S-Oil's total waste generated was recovered through methods such as recycling, reuse, or composting, while 13.77% was disposed of through landfilling, incineration, or combustion.a
In 2025, S-Oil reported a total waste generation of 69,017 metric tonnes, of which 86.23% was recovered through recycling, reuse, or composting.This high recovery rate suggests that S-Oil has implemented strong circular economy practices and actively prioritizes sustainable waste management.a
Since 2022, S-Oil's total waste generation increased by 29.28%, including a 8.23%increase in 2025, indicating a persistent upward trend that may reflect scaling operations, inefficiencies in resource use, or a lack of effective waste minimization practices.a
Over the same period, S-Oil's waste recovery rate increased by 2.69%, but declined by 2.23% in 2025, potentially signaling volatility in waste treatment processes or shifting priorities in waste management.a
Overall, S-Oil’s waste generation and recovery data show a mixed and inconsistent trend. A deeper analysis of the company's activities, industry benchmarks, and operational changes is needed to assess its sustainability performance more precisely.
In 2025, S-Oil generated a total of 69,017 metric tonnes of waste.a
Of this amount, 40.06% of S-Oil's total waste generated of was classified as hazardous waste, characterized by properties such as toxicity, flammability, corrosiveness, or reactivity that may pose risks to human health, ecosystems, or the environment.59.94% was identified as non-hazardous waste, generally considered less harmful and subject to lighter regulatory controls.a
Since 2022, S-Oil's total waste generation increased by 29.28%, including a 8.23% rise in 2025, reflecting a persistent upward trend that could be linked to operational growth, inefficient material use, or limited investment in waste prevention systems.a
Over the same period, the share of hazardous waste in S-Oil's total output increased by 8.89%, including a further 1.26% rise in 2025, suggesting a troubling upward shift toward more environmentally harmful waste streams that could raise compliance costs and environmental risks.a
Overall, S-Oil has seen a continuous rise in both total waste and hazardous waste over time, signaling a worsening environmental impact that may require urgent reassessment of material sourcing, production processes, or waste mitigation strategies.a
In 2025, S-Oil reported that 27,648 metric tonnes of its total waste output were classified as hazardous. This represents 40.06% of its overall waste generation.a
The company treated this hazardous waste using a combination of methods.A majority (73.44%) was diverted from disposal through recovery-oriented treatments such as recycling or reuse. This suggests that S-Oil has established processes to reduce the environmental burden of its most harmful waste streams.a