Environment < Performance Review < Sustainability

Company

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.

(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

(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.

(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

(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

(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

(Unit : %)

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

(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 : 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

(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.

(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

(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 : 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)

(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.

(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 : 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

(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).

(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

(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

(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.

(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.

(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
Fine/penalty or over (Over $10,000)	Amount	0	0	0	0

(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

S-OIL NEWS

IR Event

IR Material

Stock Info

Key ESG Performances