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.
Energy Consumption (Unit : TJ)
Energy Consumption : Category, 2021, 2022 Table.
Category |
2021 |
2022 |
Scope Ⅰ |
88,011 |
86,437 |
Scope Ⅱ |
42,021 |
39,681 |
Total |
130,032 |
126,118 |
Scope Ⅲ |
484 |
476 |
Detailed Energy Consumption (Unit : TJ, TJ/KRW in billion)
Detailed Energy Consumption : Category, 2021, 2022 Table.
Category |
2021 |
2022 |
Fossil fuels |
88,011 |
86,437 |
Electricity |
38,995 |
37,162 |
Steam / heating / cooling and other energy |
3,026 |
2,518 |
Total renewable energy |
0.108 |
0.108 |
Energy Intensity1) |
4.73 |
2.97 |
- 1) Intensity is calculated on the basis of sales amount.
Energy Cost (Unit : KRW in million)
Energy Cost : Category, 2021, 2022 Table.
Category |
2021 |
2022 |
Energy cost |
1,548,909 |
1,709,809 |
Sales of Energy (Unit : TJ)
Sales of Energy : Category, 2021, 2022 Table.
Category |
2021 |
2022 |
Steam |
2,980 |
2,733 |
Unplanned Profit Maximation Performance (Unit : KRW in billion)
Unplanned Profit Maximation Performance : Category, 2021, 2022 Table.
Category |
2021 |
2022 |
Unplanned profit maximation |
520.4 |
444.4 |
EII Improvement (Unit : %)
EII Improvement : Category, 2021, 2022 Table.
Category |
2021 |
2022 |
EII Improvement |
0.49 |
0.39 |
GHG Emissions (Unit : thousand tons CO2eq)
GHG Emissions : Category, 2021, 2022 Table.
Category |
2021 |
2022 |
Scope Ⅰ |
8,137 |
7,904 |
Scope Ⅱ |
1,899 |
1,806 |
Total |
10,036 |
9,710 |
Scope Ⅲ1) |
34 |
33 |
- 1) Scope Ⅲ includes only vehicles in the downstream business.
Detailed GHG Emissions
Detailed GHG Emissions : Category, 2021, 2022 Table.
Category |
2021 |
2022 |
CO2 (thousand tons) |
9,987 |
9,663 |
CH4 (tons) |
1,664 |
1,617 |
N2O (tons) |
47 |
44 |
Detailed GHG Emissions (Unit : thousand tons CO2eq)
Detailed GHG Emissions : Category, 2021, 2022 Table.
Category |
2021 |
2022 |
CO2 |
9,987 |
9,663 |
CH4 |
35 |
34 |
N2O |
14 |
13 |
Total |
10,036 |
9,710 |
Intensity1) |
0.35 |
0.23 |
- 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.
Environmental Performance (Unit : KRW in million)
Environmental Performance : Category, 2021, 2022 Table.
Category |
2021 |
2022 |
Environmental investments |
18,949 |
33,336 |
Environmental operating costs |
227,441 |
251,957 |
Environmental benefits |
147,965 |
175,497 |
Environmental Investments (Unit : KRW in million)
Environmental Investments : Category, 2021, 2022 Table.
Category |
2021 |
2022 |
Total |
18,949 |
33,336 |
Air quality, malodor, HAPs |
13,419 |
22,814 |
Water quality, marine |
1,761 |
1,530 |
Energy saving |
1,545 |
4,586 |
Soil, hazardous chemicals, waste, etc |
2,224 |
4,406 |
- Major investments made in 2022
- Air quality, malodor, HAPs
- Installment of TMS, facilities improvement for NOx emission reduction and odor removal, etc.
- Water quality, marine
- Wastewater treatment facilities improvement, installment of a total nitrogen automated water analyzer, etc.
- Energy saving Facilities improvement for energy saving, etc. Others
- Facilities improvement for preventing soil pollution, installment of additional leak detectors in hazardous chemical handling facilities, improvement of facilities to reduce noise, etc.
Air Pollutant Emissions Intensity at Onsan Refinery
Air Pollutant Emissions Intensity at Onsan Refinery : Category, Legal standards1 2020, 2021 Table.
Category |
Legal standards |
2021 |
2022 |
SOx |
120 ppm |
0.7 |
0.3 |
NOx |
130 ppm |
43.0 |
37.3 |
Dust |
15 mg/S㎥ |
1.4 |
1.9 |
- Legal standards are the standard on heaters, which have the largest share among S-OIL's facilities.
- Simple average of emissions intensity 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, 2021, 2022 Table.
Category |
2021 |
2022 |
Total |
6,245 |
5,345 |
SOx |
405 |
425 |
NOx |
5,824 |
4,908 |
Dust |
16 |
12 |
- Total volume of emission was calculated from outlets where TMS is installed until 2019. From 2020, total volume of emission is calculated from all outlets due to the enforcement of the air pollutions total quantity control system.
HAPs Leak Rate at Onsan Refinery (Unit : %)
HAPs Leak Rate at Onsan Refinery : Category, 2021, 2022 Table.
Category |
2021 |
2022 |
HAPs Leak Rate |
0.04 |
0.05 |
Water Pollutant Emissions Intensity at Onsan Refinery
Water Pollutant Emissions Intensity at Onsan Refinery : Category, Legal standards, 2021, 2022 Table.
Category |
Legal standards |
2021 |
2022 |
BOD1) |
10 ppm |
3.1 |
3.1 |
COD2) |
40 ppm |
8.7 |
7.5 |
SS2) |
10 ppm |
1.8 |
2.1 |
- 1) Self-measurement result.
- 2) Simple average of emissions concentration from outlets where TMS is installed.
Water Consumption, Recycling, & Wastewater Volume at Onsan Refinery (Unit : thousand tons)
Water Consumption, Recycling, & Wastewater Volume at Onsan Refinery : Category, 2021, 2022 Table.
Category |
2021 |
2022 |
Water consumed |
Municipal water supplies |
31,364 |
31,767 |
Fresh surface water |
0 |
0 |
Fresh ground water |
0 |
0 |
External steam intake |
467 |
346 |
Condensate recovery |
12,667 |
11,983 |
Total |
44,498 |
44,096 |
Water recycled |
SWS1) treated water |
2,749 |
2,354 |
Backwash water recovery |
1,281 |
1,276 |
Others |
0 |
0 |
Total |
4,030 |
3,630 |
Recycling rate |
37.5% |
35.4% |
Wastewater discharged |
12,684 |
12,636 |
- Water recycling rate, including condensate recovery, is managed as an ESG indicator from 2022.
- 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, 2021, 2022 Table.
Category |
2021 |
2022 |
Generated |
30,959 |
30,159 |
Recycled / reused |
28,355 |
25,394 |
Disposed |
Landfilled |
1,839 |
2,943 |
Incinerated (heat recovery) |
0 |
0 |
Incinerated |
765 |
1,822 |
Others |
0 |
619 |
Total |
2,604 |
4,765 |
Designated Waste Recycling & Disposal at Onsan Refinery (Unit : tons)
Designated Waste Recycling & Disposal at Onsan Refinery : Category, 2021, 2022 Table.
Category |
2021 |
2022 |
Generated |
13,617 |
19,593 |
Recycled / reused |
11,783 |
15,884 |
Disposed |
Landfilled |
64 |
2 |
Incinerated (heat recovery) |
0 |
0 |
Incinerated |
1,771 |
3,088 |
Others |
0 |
619 |
Total |
1,834 |
3,709 |
Emissions of Hazardous Chemical Substances (Unit : tons)
Emissions of Hazardous Chemical Substances : Category, 2020, 2021 Table.
Category |
2020 |
2021 |
S-OIL |
87 |
- |
Average of domestic competitors |
253 |
- |
- Data for 2021 is not announced by the Ministry of Environment.
Oil Spill (Unit : cases)
Oil Spill : Category, 2021, 2022 Table.
Category |
2021 |
2022 |
No. of oil spill accidents (leakage to the outside of factory) |
0 |
11) |
- 1) In 2021, an oil spill was found in underground pipeline. But S-OIL completed a prevention work and an improvement of facilities for preventing a recurrence.
Violation of Environmental Laws (Unit : cases, KRW in million)
Violation of Environmental Laws : Category, 2021, 2022 Table.
Category |
2021 |
2022 |
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, 2021, 2022 Table.
Category |
2021 |
2022 |
No. of products |
103 |
101 |
Amount of purchasing |
18,956 |
33,348 |