ESG Performance
Key ESG Performances
S-OIL is committed to creating stakeholder value through sustainable growth, contributing to the happiness of mankind as well as the development of society and economy. To this end, we dedicate not only to promoting bold innovation in entire business areas for enhancing our quality competitiveness and brand value but also to practicing shared growth with business partners and local communities based on the management philosophy centered on co-prosperity, fulfilling our responsibility as a corporate citizen.
E-1 Response to Climate Change
Total GHG emissions can differ due to rounding of GHG emissions at each business site
GHG Emissions (Unit : thousand tons CO2eq)
GHG Emissions : Category, 2022, 2023 Table.
| Category |
2022 |
2023 |
| Scope Ⅰ |
7,904 |
7,925 |
| Scope Ⅱ |
1,806 |
1,773 |
| Total |
9,710 |
9,698 |
| Scope Ⅲ1) |
33 |
31 |
- 1) Scope Ⅲ includes only vehicles in the downstream business.
Detailed GHG Emissions
Detailed GHG Emissions : Category, 2022, 2023 Table.
| Category |
2022 |
2023 |
| CO2 (thousand tons) |
9,663 |
9,651 |
| CH4 (tons) |
1,617 |
1,573 |
| N2O (tons) |
44 |
44 |
Detailed GHG Emissions (Unit : thousand tons CO2eq, thousand tons CO2eq/KRW billion)
Detailed GHG Emissions : Category, 2022, 2023 Table.
| Category |
2022 |
2023 |
| CO2 |
9,663 |
9,651 |
| CH4 |
34 |
33 |
| N2O |
13 |
14 |
| Total |
9,710 |
9,698 |
| Intensity1) |
0.23 |
0.27 |
- It is CO2 converted volume considering the Global Warming Potential (GWP) presented by IPCC Guideline in 2006. (GWP: CO2=1, CH4=21, N2O=310)
- 1) Intensity is calculated on the basis of sales amount.
E-2 Operational Efficiency Improvement
Energy Consumption (Unit : TJ)
Energy Consumption : Category, 2022, 2023 Table.
| Category |
2022 |
2023 |
| Scope Ⅰ |
86,437 |
86,616 |
| Scope Ⅱ |
39,681 |
38,451 |
| Total |
126,118 |
125,067 |
| Scope Ⅲ |
476 |
442 |
Detailed Energy Consumption (Unit : TJ, TJ/KRW in billion)
Detailed Energy Consumption : Category, 2022, 2023 Table.
| Category |
2022 |
2023 |
| Fossil fuels |
86,437 |
86,616 |
| Electricity |
37,162 |
36,737 |
Steam / heating / cooling
and other energy |
2,518 |
1,715 |
| Total renewable energy |
0.108 |
0.108 |
| Energy Intensity1) |
2.97 |
3.50 |
- 1) Intensity is calculated on the basis of sales amount.
Energy Cost (Unit : KRW in million)
Energy Cost : Category, 2022, 2023 Table.
| Category |
2022 |
2023 |
| Energy cost |
1,709,809 |
1,859,448 |
Sales of Energy (Unit : TJ)
Sales of Energy : Category, 2022, 2023 Table.
| Category |
2022 |
2023 |
| Steam |
2,733 |
2,417 |
EII Improvement (Unit : %)
EII Improvement : Category, 2022, 2023 Table.
| Category |
2022 |
2023 |
EII Improvement |
0.49 |
0.68 |
E-3 Environmental Emissions Management
Environmental Performance (Unit : KRW in million)
Environmental Performance : Category, 2022, 2023 Table.
| Category |
2022 |
2023 |
| Environmental investments |
33,336 |
70,195 |
| Environmental operating costs |
251,957 |
297,030 |
| Environmental benefits |
175,497 |
297,030 |
Environmental Investments (Unit : KRW in million)
Environmental Investments : Category, 2022, 2023 Table.
| Category |
2022 |
2023 |
| Air quality, malodor, HAPs |
22,814 |
34,893 |
| Water quality, marine |
1,530 |
9,966 |
| Energy saving |
4,586 |
22,679 |
| Soil, hazardous chemicals, waste, etc |
4,406 |
2,657 |
- Major investments made in 2023
- Air quality, malodor, HAPs
- Installation of new TMS in accordance with the total emissions trading regulation, total flare stack flow rate meter, and total calorific value meter, and facility improvements to reduce air pollutants, etc.
- Water quality, marine
- Wastewater treatment facility improvements to treat high concentrations of effluent, installation of additional oil detectors, etc.
- Energy saving
- Installation of additional energy saving equipment, facility improvements to increase thermal efficiency, etc.
- Others
- Installation of additional hazardous chemical leak detectors, soil pollution prevention facility improvement, implementation of integrated environmental permit follow-up system, noise/vibration improvement, etc.
Air Pollutant Emissions Concentration at Onsan Refinery
Air Pollutant Emissions Concentration at Onsan Refinery : Category, 2022, 2023 Table.
| Category |
2022 |
2023 |
| SOx |
Concentration (ppm) |
0.3 |
1.1 |
| Legal standards (ppm) |
120 |
94 |
| NOx |
Concentration (ppm) |
37.3 |
35.9 |
| Legal standards (ppm) |
130 |
80 |
| Dust |
Concentration (mg/S㎥) |
1.9 |
1.0 |
| Legal standards (mg/S㎥) |
15 |
15 |
- From 2023, the legal standard is to apply the average of the permitted emission stnadards for heaters and boilers under the Integrated Environmental Permit
- Simple average of emissions concentration from heaters and boilers (TMS and self-measurement)
Air Pollutant Emissions Volume at Onsan Refinery (Unit : tons)
Air Pollutant Emissions Volume at Onsan Refinery : Category, 2022, 2023 Table.
| Category |
2022 |
2023 |
| Total |
5,345 |
4,440 |
| SOx |
425 |
424 |
| NOx |
4,908 |
4,005 |
| Dust |
12 |
11 |
- Based on the finalized permit under the Total Air Pollution Load Management System
HAPs Leak Rate at Onsan Refinery (Unit : %)
HAPs Leak Rate at Onsan Refinery : Category, 2022, 2023 Table.
| Category |
2022 |
2023 |
| HAPs Leak Rate |
0.05 |
0.03 |
Water Pollutant Emissions Concentration at Onsan Refinery
Water Pollutant Emissions Concentration at Onsan Refinery : Category, Legal standards, 2022, 2023 Table.
| Category |
Legal standards |
2022 |
2023 |
| BOD1) |
10 ppm |
3.1 |
3.1 |
| COD2), 3) |
COD 40 ppm |
7.5 |
- |
| TOC 25 ppm |
- |
4.6 |
| SS2) |
10 ppm |
2.1 |
2.3 |
- 1) Self-measurement result.
- 2) Simple average of emissions concentration from outlets where TMS is installed.
- 3) Starting in 2023, chemical oxygen demand measured as TOC instead of COD
Water Consumption, Recycling, & Wastewater Volume at Onsan Refinery (Unit : thousand tons)
Water Consumption, Recycling, & Wastewater Volume at Onsan Refinery : Category, 2022, 2023 Table.
| Category |
2022 |
2023 |
| Water consumed |
| Municipal water supplies |
31,767 |
32,802 |
| Fresh surface water |
0 |
0 |
| Fresh ground water |
0 |
0 |
| External steam intake |
346 |
135 |
| Condensate recovery |
11,983 |
12,871 |
| Total |
44,096 |
45,808 |
| Water recycled |
| SWS1) treated water |
2,354 |
2,373 |
| Backwash water recovery |
1,276 |
1,318 |
| Condensate recovery |
11,983 |
12,871 |
| Total |
15,613 |
16,562 |
| Recycling rate |
35.4% |
36.2% |
| Wastewater discharged |
12,636 |
12,998 |
- The area where the company operates the Refinery is not classified as a Water-stressed Area by the World Resource Institute (WRI).
General Waste Recycling & Disposal at Onsan Refinery (Unit : tons)
General Waste Recycling & Disposal at Onsan Refinery : Category, 2022, 2023 Table.
| Category |
2022 |
2023 |
| Generated |
30,159 |
34,069 |
| Recycled / reused |
25,394 |
29,482 |
| Disposed |
| Landfilled |
2,943 |
2,863 |
| Incinerated (heat recovery) |
0 |
0 |
| Incinerated |
1,822 |
1,724 |
| Others |
0 |
0 |
| Total |
4,765 |
4,587 |
Designated Waste Recycling & Disposal at Onsan Refinery (Unit : tons)
Designated Waste Recycling & Disposal at Onsan Refinery : Category, 2022, 2023 Table.
| Category |
2022 |
2023 |
| Generated |
19,593 |
21,903 |
| Recycled / reused |
15,884 |
20,097 |
| Disposed |
| Landfilled |
2 |
13 |
| Incinerated (heat recovery) |
0 |
0 |
| Incinerated |
3,088 |
1,793 |
| Others |
619 |
0 |
| Total |
3,709 |
1,806 |
Emissions of Hazardous Chemical Substances (Unit : tons)
Emissions of Hazardous Chemical Substances : Category, 2021, 2022 Table.
| Category |
2021 |
2022 |
| S-OIL |
83 |
- |
| Average of domestic competitors |
175 |
- |
- Data for 2022 is not announced by the Ministry of Environment
Oil Spill (Unit : cases)
Oil Spill : Category, 2022, 2023 Table.
| Category |
2022 |
2023 |
| No. of oil spill accidents (leakage to the outside of factory) |
0 |
0 |
Violation of Environmental Laws (Unit : cases, KRW in million)
Violation of Environmental Laws : Category, 2022, 2023 Table.
| Category |
2022 |
2023 |
| Fine/penalty or over (Over $10,000) |
| No. of violations |
0 |
0 |
| Amount |
0 |
0 |
Green Purchasing (Unit : cases, KRW in million)
Green Purchasing : Category, 2022, 2023 Table.
| Category |
2022 |
2023 |
| No. of products |
101 |
144 |
| Amount of purchasing |
33,348 |
70,214 |
