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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, 2019, 2020, 2021, 2022 Table.
Category 2019 2020 2021 2022
Scope Ⅰ 90,323 88,708 88,011 86,437
Scope Ⅱ 39,178 37,080 42,021 39,681
Total 129,501 125,788 130,032 126,118
Scope Ⅲ 405 454 484 476
Detailed Energy Consumption

(Unit : TJ, TJ/KRW in billion)

Detailed Energy Consumption : Category, 2019, 2020, 2021, 2022 Table.
Category 2019 2020 2021 2022
Fossil fuels 90,323 88,708 88,011 86,437
Electricity 37,431 35,469 38,995 37,162
Steam / heating / cooling and other energy 1,748 1,611 3,026 2,518
Total renewable energy 0.108 0.108 0.108 0.108
Energy Intensity1) 5.31 7.47 4.73 2.97
  • 1) Intensity is calculated on the basis of sales amount.
Energy Cost

(Unit : KRW in million)

Energy Cost : Category, 2019, 2020, 2021, 2022 Table.
Category 2019 2020 2021 2022
Energy cost 1,455,932 1,170,767 1,548,909 1,709,809
Sales of Energy

(Unit : TJ)

Sales of Energy : Category, 2019, 2020, 2021, 2022 Table.
Category 2019 2020 2021 2022
Steam 2,675 2,980 2,733 2,838
Unplanned Profit Maximation Performance

(Unit : KRW in billion)

Unplanned Profit Maximation Performance : Category, 2019, 2020, 2021, 2022 Table.
Category 2019 2020 2021 2022
Unplanned profit maximation - 465.6 520.4 444.4
EII Improvement

(Unit : %)

EII Improvement : Category, 2019, 2020, 2021, 2022 Table.
Category 2019 2020 2021 2022
EII improvement 0.48 2.22 0.49 0.39
GHG Emissions

(Unit : thousand tons CO2eq)

GHG Emissions : Category, 2019, 2020, 2021, 2022 Table.
Category 2019 2020 2021 2022
Scope Ⅰ 7,744 7,824 8,137 7,904
Scope Ⅱ 1,859 1,755 1,899 1,806
Total 9,603 9,579 10,036 9,710
Scope Ⅲ 31 34 34 33
  • 1) Scope Ⅲ includes only vehicles in the downstream business.
GHG Emissions by Type
GHG Emissions by Type : Category, 2019, 2020, 2021, 2022 Table.
Category 2019 2020 2021 2022
CO2 (thousand tons) 9,561 9,538 9,987 9,663
CH4 (tons) 1,646 1,646 1,646 1,646
N2O (tons) 23 22 47 44
GHG Emissions by Type

(Unit : thousand ton CO2eq)

GHG Emissions by Type : Category, 2019, 2020, 2021, 2022 Table.
Category 2019 2020 2021 2022
CO2 9,561 9,538 9,987 9,663
CH4 35 34 35 34
N2O 7 7 14 13
Total 9,603 9,579 10,036 9,710
Intensity1) 0.39 0.57 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, 2019, 2020, 2021, 2022 Table.
Category 2019 2020 2021 2022
Environmental investments 17,371 20,122 18,949 33,336
Environmental operating costs 230,471 221,171 227,441 251,957
Environmental benefits 60,984 66,637 147,965 175,497
Environmental Investments

(Unit : KRW in million)

Environmental Investments : Category, 2019, 2020, 2021, 2022 Table.
Category 2019 2020 2021 2022
Total 17,371 20,122 18,949 33,336
Air quality, malodor, HAPs 4,967 12,665 13,419 22,814
Water quality, marine 2,194 1,106 1,761 1,530
Energy saving 8,513 288 1,545 4,586
Soil, hazardous chemicals, waste, etc 1,697 6,063 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, 2019, 2020, 2021, 2022 Table.
Category Legal standards 2019 2020 2021 2022
SOx 120 ppm 4.5 2.0 0.7 0.3
NOx 130 ppm 52.7 45.0 43.0 37.3
Dust 15 mg/S㎥ 0.0 0.0 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, 2019, 2020, 2021, 2022 Table.
Category 2019 2020 2021 2022
Total 3,499 6,183 6,245 5,345
SOx 425 352 405 425
NOx 3,040 5,814 5,824 4,908
Dust 34 17 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, 2019, 2020, 2021, 2022 Table.
Category 2019 2020 2021 2022
HAPs leak rate 0.03 0.04 0.04 0.05
Water Pollutant Emissions Intensity at Onsan Refinery
Water Pollutant Emissions Intensity at Onsan Refinery : Category, Legal standards, 2019, 2020, 2021, 2022 Table.
Category Legal standards 2019 2020 2021 2022
BOD1) 10 ppm 3.0 2.7 3.1 3.1
COD2) 40 ppm 6.9 8.7 8.7 7.5
SS2) 10 ppm 1.6 1.7 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, 2019, 2020, 2021, 2022 Table.
Category 2019 2020 2021 2022
Water consumed Municipal water supplies 29,048 28,661 31,364 31,364
Fresh surface water 0 0 0 0
Fresh ground water 0 0 0 0
External steam intake - 498 467 346
Condensate recovery - 12,324 12,667 11,983
Total 29,048 41,483 44,498 44,096
Water recycled SWS1) treated water 2,410 2,554 2,749 2,354
Backwash water recovery - 1,038 1,281 1,276
Others - 0 0 0
Total - 3,592 4,030 3,630
Recycling rate - 38.4% 37.5% 35.4%
Wastewater discharged 13,735 12,518 12,684 12,636
  • 1) Sour Water Stripper
  • 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, 2019, 2020, 2021, 2022 Table.
Category 2019 2020 2021 2022
Generated 36,645 27,971 30,959 30,159
Recycled / reused 28,871 24,129 28,355 25,394
Disposed Landfilled 6,494 2,863 1,839 2,943
Incinerated (heat recovery) 0 0 0 0
Incinerated 1,280 979 765 1,822
Others 0 0 0 0
Total 7,774 3,842 2,604 2,604
Designated Waste Recycling & Disposal at Onsan Refinery

(Unit : tons)

Designated Waste Recycling & Disposal at Onsan Refinery : Category, 2019, 2020, 2021, 2022 Table.
Category 2019 2020 2021 2022
Generated 13,490 10,769 13,617 19,593
Recycled / reused 11,267 9,112 11,783 15,884
Disposed Landfilled 99 3 64 2
Incinerated (heat recovery) 0 0 0 0
Incinerated 2,124 1,654 1,771 3,088
Others 0 0 0 619
Total 2,223 1,657 1,835 3,709
Emissions of Hazardous Chemical Substances

(Unit : tons)

Emissions of Hazardous Chemical Substances : Category, 2018, 2019, 2020, 2021 Table.
Category 2018 2019 2020 2021
S-OIL 105 89 87 -
Average of domestic competitors 181 192 253 -

Data for 2021 is not announced by the Ministry of Environment.

Oil Spill

(Unit : cases)

Oil Spill : Category, 2019, 2020, 2021, 2022 Table.
Category 2019 2020 2021 2022
No. of oil spill accidents (leakage to the outside of factory) 0 0 11) 0
  • 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)

VViolation of Environmental Laws : Category, 2019, 2020, 2021, 2022 Table.
Category 2019 2020 2021 2022
Fine/penalty or over (Over $10,000) No. of violations 0 0 0 0
Amount 0 0 0 0
Green Purchasing

(Unit : cases, KRW in million)

Green Purchasing : Category, 2019, 2020, 2021, 2022 Table.
Category 2019 2020 2021 2022
No. of products 38 252 103 101
Amount of purchasing 15,539 14,413 18,956 33,348
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