ESG Performance
Key ESG Performances
S-OIL has continued to enhance ESG value by addressing climate change, managing environmental impacts, strengthening its occupational safety and health management system, promoting workforce diversity, and upholding compliance and ethical management. Going forward, we will consistently manage our key ESG issues and work together with our stakeholders, including shareholders, employees, customers, suppliers, and local communities, to create long-term corporate value and achieve sustainable growth.
GHG Emissions
Unit : ktCO2eq
- 12,000
- 10,000
- 8,000
- 6,000
- 4,000
- 2,000
- 0
- 2022
- 2023
- 2024
- 2025
Air Pollutant Emissions
Unit : ton
- 6,000
- 5,000
- 4,000
- 3,000
- 2,000
- 1,000
- 0
- 2022
- 2023
- 2024
- 2025
Waste Recycle Rate / Water Recycle Rate
Unit : %
- 100.0
- 90.0
- 80.0
- 70.0
- 60.0
- 50.0
- 40.0
- 30.0
- 20.0
- 10.0
- 0.0
- 2022
- 2023
- 2024
- 2025
- Waste Recycle Rate
- Water Recycle Rate
Waste Recycle Rate and Water Recycle Rate (Unit : %) : 2022 to 2025
| Category |
2022 |
2023 |
2024 |
2025 |
| Waste Recycle Rate |
82.9 |
88.6 |
88.0 |
86.3 |
| Water Recycle Rate |
35.4 |
36.1 |
36.8 |
36.0 |
- Minor differences may occur due to rounding
GHG Emissions (Unit : ktCO2eq)
GHG Emissions : Category, 2024, 2025 Table.
| Category |
2024 |
2025 |
| Scope 1 |
7,954 |
7,938 |
| Scope 2 |
1,878 |
1,856 |
| Total |
9,832 |
9,794 |
Energy Consumption (Unit : TJ)
Energy Consumption : Category, 2024, 2025 Table.
| Category |
2024 |
2025 |
| Total energy consumption |
237,576 |
129,081 |
Air Pollutant Emissions (Unit : ton)
Air Pollutant Emissions : Category, 2024, 2025 Table.
| Category |
2024 |
2025 |
| Nitrogen oxides (NOx) |
3,136 |
2,571 |
| Sulfur oxides (SOx) |
438 |
398 |
| Dust |
13 |
14 |
Water Pollutant Emissions (Unit : ton)
Water Pollutant Emissions : Category, 2024, 2025 Table.
| Category |
2024 |
2025 |
| Biochemical Oxygen Demand (BOD) |
36.3 |
37.4 |
| Total Organic Carbon (TOC) |
85.9 |
65.0 |
| Suspended Solids (SS) |
28.9 |
30.3 |
Waste (Unit : ton)
Waste : Category, 2024, 2025 Table.
| Category |
2024 |
2025 |
| General Waste |
| Generated |
38,337 |
41,233 |
| Recycled/reused |
35,965 |
39,102 |
| Disposed |
2,372 |
2,131 |
| Designated Waste |
| Generated |
25,172 |
27,629 |
| Recycled/reused |
20,106 |
20,306 |
| Disposed |
5,066 |
7,323 |
- The data is primarily based on the Onsan Refinery. For information on other sites, please refer to the ESG Report.
Environmental Compliance (Unit : cases, KRW in million)
Environmental Compliance : Category, 2024, 2025 Table.
| Category |
2024 |
2025 |
| No. of violations |
0 |
0 |
| Monetary value of violations |
0 |
0 |
- The data only reflects the case that exceeds USD 10,000
- 1) Fire incident occurred in the #2 Alkylation unit in 2022; corporate fine imposed in Jan. 2026 and currently under appeal; preventive measures have been implemented.