ESG Data

Environment

  • For the reporting scope, please refer to the footnotes for each data point.
  • The data for FY2022 indicated with (✔) has been assured by the Independent Practitioner.
GHG Emissions
by Scope
Unit FY2020 FY2021 FY2022 Independent
Practitioner’s
Assurance
Note
Scope1*1,3 thousand t-CO2 12,191 12,474 13,479  
t-CH4 14,531 20,905 10,480  
t-HFC 0.413 0.298 0.294  
t-N2O 392 431 392  
t-SF6 0.002 0.002 0.003  
thousand t-CO2e 12,671 13,126 13,858 Total 7 GHGs (no use of PFCs, NF3) converted to carbon dioxide
Scope2*1,3 thousand t-CO2 829 630 553  
Scope3 (Category11)*1,2,4 thousand t-CO2 108,047 108,073 122,324 Use of sold products: Calculated based on coal/natural gas production and fuel/LPG production at refineries and complexes
Scope1+2*1,3 thousand t-CO2 13,020 13,105 14,032  
thousand t-CO2e 13,500 13,756 14,411 Total 7 GHGs (no use of PFCs, NF3) converted to carbon dioxide
Scope1+2+3*1,2,3 thousand t-CO2 121,067 121,178 136,356 Scope 3 records category 11 (only third-party warranty coverage).
thousand t-CO2e 121,548 121,829 136,735 Total 7 GHGs (no use of PFCs, NF3) converted to carbon dioxide
  • *1 In principle, the scope of the FY2022 data for Seibu Oil Co.,Ltd. covers the period from June 2022 to March 2023, after it became a consolidated group company. Seibu Oil Co.,Ltd. is not included in the scope of FY2020 and 2021 data, as it was not consolidated.
  • *2 Historical data has been revised.
  • *3 Idemitsu, consolidated refining companies (TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.) and major consolidated group companies
  • *4 Idemitsu, consolidated refining companies (TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.) and consolidated group companies
Trend in COEmissions Unit 2013FY        
Scope1+2* thousand t-CO2 15,870        
Trend in COEmissions Unit FY2020 FY2021 FY2022 Independent
Practitioner’s
Assurance
Note
Scope1+2* thousand t-CO2 13,968 14,182 14,207 This table shows the total emissions that are the basis for calculating CO2 (Scope 1+2) reductions target for FY2030: 46% reduction compared to FY2013.
Trend in CO2 Reduction Rate Unit FY2020 FY2021 FY2022 Independent
Practitioner’s
Assurance
Note
CO2 reduction rate* % 12.0 10.6 10.5 Percentage reduction against 2013 emissions
  • * Idemitsu, consolidated refining companies (TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.) and major consolidated group companies (However, the scope of the FY2022 data for Seibu Oil Co.,Ltd. is from April 2022 to March 2023.)
  • * The calculations of CO2 emissions and reduction rates (FY2013, FY2020-2022) include Seibu Oil Co.,Ltd.. On the other hand, the calculation of GHG emissions by Scope covers consolidated refining companies, etc. as of the reporting year, so the calculations for FY2020 and FY2021 do not include Seibu Oil Co.,Ltd., but the calculation for FY2022 includes it from June 2022 to March 2023, after it became a consolidated group company.
Scope3 Emissions (Idemitsu Kosan non-consolidated) Unit FY2022 Independent
Practitioner’s
Assurance
Note
Scope3* Category1: Purchased goods and services thousand t-CO2 15,726  
Category3: Fuel- and energy-related activities (not included in Scope1 or 2) thousand t-CO2 2,714  
Category4: Upstream transportation and distribution (upstream) thousand t-CO2 2,648 Includes emissions accounted for in Scope 1
Category11: Use of sold products thousand t-CO2 127,134 Use of sold products: Calculated based on the volume of coal, natural gas, fuel and LPG, etc. sold by Idemitsu Kosan Co.,Ltd..
Category12: End-of-life treatment of sold products thousand t-CO2 5,789  
  • * Calculated using AIST (The National Institute of Advanced Industrial Science and Technology) IDEA Ver. 3.2 and 3.3.
GHG Emissions per Unit of Production Unit FY2020 FY2021 FY2022 Independent
Practitioner’s
Assurance
Note
Natural gas production*1 t-CO2e/boe - - 0.029 Unit: GHG emissions / natural gas production
Coal production*2 t-CO2e/t 0.066 0.079 0.061 Unit: GHG emissions / coal production
Oil refining*3,4 t-CO2e/bbl 0.039 0.039 0.036 Unit: GHG emissions / refinery throughput
Petrochemical plants*5 t-CO2e/t 0.896 0.897 0.896 Unit: GHG emissions / petrochemicals production (ethylene equivalent)
  • *1 Idemitsu Gas Production (Vietnam) Co.,Ltd.
  • *2 Ensham Resources Pty. Ltd., Muswellbrook Coal Co., Ltd., Boggabri Coal Pty. Ltd.
  • *3 In principle, the scope of the FY2022 data for Seibu Oil Co.,Ltd. covers the period from June 2022 to March 2023, after it became a consolidated group company. Seibu Oil Co.,Ltd. is not included in the scope of FY2020 and 2021 data, as it was not consolidated.
  • *4 Hokkaido Refinery, Chiba Complex (Petroleum), Aichi Complex, TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.
  • *5 Chiba Complex (Chemicals), Tokuyama Complex
Energy Consumption Unit FY2020 FY2021 FY2022 Independent
Practitioner’s
Assurance
Note
Heat quantity equivalent*1,2 PJ 194 194 213
Crude oil equivalent*1,2 thousand kL 5,003 4,999 5,482
Unit energy consumption
(Refinery)*1,3
L/kL 8.54 8.35 8.60 Unit: Crude oil equivalent energy consumption (L) / atmospheric distillation equipment converted throughput (kL)
Unit energy consumption
(Petrochemical plant)*4
kL/t 0.415 0.415 0.428 Unit: Crude oil equivalent energy consumption (kL) / ethylene equivalent production (t)
  • *1 In principle, the scope of the FY2022 data for Seibu Oil Co.,Ltd. covers the period from June 2022 to March 2023, after it became a consolidated group company. Seibu Oil Co.,Ltd. is not included in the scope of FY2020 and 2021 data, as it was not consolidated.
  • *2 Idemitsu, consolidated refining companies (TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.) and major consolidated group companies
  • *3 Hokkaido Refinery, Chiba Complex (Petroleum), Aichi Complex, TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.
  • *4 Chiba Complex (Chemicals), Tokuyama Complex
Amount of Water Resources Intake
and Wastewater*1,2
Unit FY2020 FY2021 FY2022 Independent
Practitioner’s
Assurance
Note
Seawater intake thousand t 1,357,736 1,343,739 1,351,396  
Industrial water intake thousand t 82,074 82,208 87,649  
Tap water intake thousand t 2,409 2,586 2,493
Underground water intake thousand t 15,789 14,055 15,799 Underground water also contains hot water from geothermal power generation.
Total water intake thousand t 1,458,008 1,442,588 1,457,336  
Wastewater destination (sea) thousand t 1,357,736 1,343,739 1,351,396    
Wastewater destination (other) thousand t 71,944 76,438 88,799   The destination includes reduced water (hot water) used in geothermal power generation.
Wastewater thousand t 1,429,680 1,420,177 1,440,195  
Water recycling rate % 94 92 92 The water recycling rate only applies to industrial water.
(1.Industrial water intake: 87,649; 2.Industrial water use: 1,147,934; 3.Industrial water recycling: 1,060,285, Water recycling rate =3 / 2)
*2=1+3
  • *1 In principle, the scope of the FY2022 data for Seibu Oil Co.,Ltd. covers the period from June 2022 to March 2023, after it became a consolidated group company. Seibu Oil Co.,Ltd. is not included in the scope of FY2020 and 2021 data, as it was not consolidated.
  • *2 Idemitsu, consolidated refining companies (TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.) and major consolidated group companies
Water Withdrawal Rate Unit FY2020 FY2021 FY2022 Independent
Practitioner’s
Assurance
Note
Natural gas production*1 t/boe - - 0.568 Unit: Water withdrawal / natural gas production
Coal production**2 t/t 0.486 0.386 0.474 Unit: Water withdrawal / coal production
Oil refining*3,4 t/bbl 3.830 3.744 3.224 Unit: Water withdrawal / refinery throughput
Petrochemical plants*5 t/t 164 156 157 Unit: Water withdrawal / petrochemicals production (ethylene equivalent)
  • *1 Idemitsu Gas Production (Vietnam) Co.,Ltd.
  • *2 Ensham Resources Pty. Ltd., Muswellbrook Coal Co., Ltd., Boggabri Coal Pty. Ltd.
  • *3 In principle, the scope of the FY2022 data for Seibu Oil Co.,Ltd. covers the period from June 2022 to March 2023, after it became a consolidated group company. Seibu Oil Co.,Ltd. is not included in the scope of FY2020 and 2021 data, as it was not consolidated.
  • *4 Hokkaido Refinery, Chiba Complex (Petroleum), Aichi Complex, TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.
  • *5 Chiba Complex (Chemicals), Tokuyama Complex
Water Pollution Effects Unit FY2020 FY2021 FY2022 Independent
Practitioner’s
Assurance
Note
COD*1,2 t 193 205 206 Laws: Water Pollution Control Law
Total nitrogen*1,3 t 212 211 251
Total phosphorus*1,3 t 3.7 3.6 4.2
  • *1 In principle, the scope of the FY2022 data for Seibu Oil Co.,Ltd. covers the period from June 2022 to March 2023, after it became a consolidated group company. Seibu Oil Co.,Ltd. is not included in the scope of FY2020 and 2021 data, as it was not consolidated.
  • *2 Hokkaido Refinery, Chiba Complex, Aichi Complex, Tokuyama Complex, TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd. and major consolidated group companies
  • *3 Chiba Complex, Aichi Complex, Tokuyama Complex, TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd. and major consolidated group companies
Air Pollutant Emissions*1,2 Unit FY2020 FY2021 FY2022 Independent
Practitioner’s
Assurance
Note
SOx t 8,635 8,263 10,528 Laws: Air Pollution Control Act
NOx t 20,536 19,719 18,880
Soot/dust t 223 194 257
VOC t 5,146 6,265 7,235
  • *1 In principle, the scope of the FY2022 data for Seibu Oil Co.,Ltd. covers the period from June 2022 to March 2023, after it became a consolidated group company. Seibu Oil Co.,Ltd. is not included in the scope of FY2020 and 2021 data, as it was not consolidated.
  • *2 Hokkaido Refinery, Chiba Complex, Aichi Complex, Tokuyama Complex, TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd. and major consolidated group companies
Waste*1,2,3 Unit FY2020 FY2021 FY2022 Independent
Practitioner’s
Assurance
Note
Total waste t 223,427 236,263 225,375 Total amount of industrial waste and specially controlled industrial waste
Laws: Waste Management and Public Cleansing Law
Reduced by intermediate treatment t 80,367 86,197 82,554
Recycled t 111,446 113,599 106,908
Final disposal t 38 82 25
Final disposal rate % 0.017 0.035 0.011
  • *1 In principle, the scope of the FY2022 data for Seibu Oil Co.,Ltd. covers the period from June 2022 to March 2023, after it became a consolidated group company. Seibu Oil Co.,Ltd. is not included in the scope of FY2020 and 2021 data, as it was not consolidated.
  • *2 Historical data has been revised.
  • *3 Hokkaido Refinery, Chiba Complex, Aichi Complex, Tokuyama Complex, TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.
Hazardous Waste*1,2,3 Unit FY2020 FY2021 FY2022 Independent
Practitioner’s
Assurance
Note
Total waste t 4,187 7,978 6,970 Specially controlled industrial waste is defined as hazardous waste.
Laws: Waste Management and Public Cleansing Law
Reduced by intermediate treatment t 0 3,318 1,693
Recycled t 4,187 4,651 5,277
Final disposal t 0 9 0
Final disposal rate % 0.000 0.108 0.000
  • *1 In principle, the scope of the FY2022 data for Seibu Oil Co.,Ltd. covers the period from June 2022 to March 2023, after it became a consolidated group company. Seibu Oil Co.,Ltd. is not included in the scope of FY2020 and 2021 data, as it was not consolidated.
  • *2 Historical data has been revised.
  • *3 Hokkaido Refinery, Chiba Complex, Aichi Complex, Tokuyama Complex, TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.
Non-Hazardous Waste*1,2,3 Unit FY2020 FY2021 FY2022 Independent
Practitioner’s
Assurance
Note
Total waste t 219,897 228,989 218,405 Industrial waste is defined as hazardous waste.
Laws: Waste Management and Public Cleansing Law
Reduced by intermediate treatment t 96,768 102,173 80,861
Recycled t 120,511 123,903 101,632
Final disposal t 38 73 25
Final disposal rate % 0.017 0.032 0.011
  • *1 In principle, the scope of the FY2022 data for Seibu Oil Co.,Ltd. covers the period from June 2022 to March 2023, after it became a consolidated group company. Seibu Oil Co.,Ltd. is not included in the scope of FY2020 and 2021 data, as it was not consolidated.
  • *2 Historical data has been revised.
  • *3 Hokkaido Refinery, Chiba Complex, Aichi Complex, Tokuyama Complex, TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.
CFC Leakage* Unit FY2020 FY2021 FY2022 Independent
Practitioner’s
Assurance
Note
  t 1.0 0.5 0.3   Figures based on CFC method reporting
  CO2e 1,852 1,097 586  
  • * Hokkaido Refinery, Chiba Complex, Aichi Complex, Tokuyama Complex, Lubricants Research Laboratory, Advanced Technology Research Laboratories, Performance Materials Laboratories、Shimonoseki Solar Power Plant 2
Number of Environmental Disorders* Unit FY2020 FY2021 FY2022 Independent
Practitioner’s
Assurance
Note
  cases 3 1 2    
  • * Idemitsu and major group companies
Acquisition Status of ISO 14001 (Environmental Management Systems) Unit As of June 30,2021 As of June 30,2022 As of June 30,2023 Independent
Practitioner’s
Assurance
Note
Domestic business sites sites 21 19 17   More than 94% of the Idemitsu Group’s CO2 emissions are from sites that have acquired ISO 14001 certificates.
Overseas business sites sites 13 13 13  
Refinery and Complexes
Hokkaido Refinery Unit FY2020 FY2021 FY2022
Crude oil throughput thousand kL 4,598 6,824 5,973
Energy consumption (Crude oil equivalent) thousand kL*1 373 497 456
Unit energy consumption kL/thousand kL*2 8.98 8.77 8.83
Seawater thousand t 111,202 148,045 135,851
Industrial water thousand t 12,608 13,034 13,105
Tap water thousand t 65 60 65
Underground water thousand t 279 263 238
CO2 emissions thousand t-CO2 1,124 1,508 1,392
SOx emissions t 1,612 1,742 1,580
NOx emissions t 867 1,106 1,061
Soot/dust t 6 8 3
Wastewater thousand kL 123,875 161,139 148,994
COD t 18 18 18
Total nitrogen t - - -
Total phosphorus t - - -
Total waste t 10,571 6,461 5,911
Reduced by intermediate treatment t 1,763 1,929 1,387
Recycled t 7,412 3,866 3,837
Final disposal t 3 2 2
  • *1 The figure for energy consumption (crude oil equivalent) is calculated by subtracting the amount of by-product energy sold.
  • *2 Unit energy consumption = Crude oil equivalent (L) / Atmospheric distillation equipment converted throughput (kL)
Chiba Complex Unit FY2020 FY2021 FY2022
Crude oil throughput thousand kL 9,937 9,321 10,660
Petrochemical product manufacturing (Ethylene equivalent) thousand t 1,776 1,834 1,874
Energy consumption (Crude oil equivalent) thousand kL*1 1,426 1,388 1,473
Unit energy consumption kL/thousand kL*2 8.97 9.03 8.83
kL/t*3 0.34 0.33 0.32
Seawater thousand t 468,093 436,446 456,730
Industrial water thousand t 19,641 19,886 19,889
Tap water thousand t - - -
Underground water thousand t 320 402 343
CO2 emissions thousand t-CO2 3,455 3,348 3,563
SOx emissions t 3,268 3,080 3,672
NOx emissions t 2,478 2,270 2,524
Soot/dust t 125 94 122
Wastewater thousand kL 486,602 455,318 475,913
COD t 37 38 38
Total nitrogen t 67 68 65
Total phosphorus t 0.4 0.5 0.3
Total waste*4 t 76,054 89,501 77,105
Reduced by intermediate treatment*4 t 1,133 3,692 1,720
Recycled*4 t 45,918 52,206 41,864
Final disposal t 6 13 5
  • *1 The figure for energy consumption (crude oil equivalent) is calculated by subtracting the amount of by-product energy sold.
  • *2 Unit energy consumption = Crude oil equivalent (L) / Atmospheric distillation equipment converted throughput (kL)
  • *3 Unit energy consumption = Crude oil equivalent (L) / Ethylene equivalent production (t)
  • *4 Historical data has been revised.
Aichi Complex Unit FY2020 FY2021 FY2022
Crude oil throughput thousand kL 7,474 5,740 7,879
Energy consumption (Crude oil equivalent) thousand kL*1 667 547 702
Unit energy consumption kL/thousand kL*2 9.24 9.17 9.56
Seawater thousand t 239,380 198,874 237,441
Industrial water thousand t 12,256 11,978 13,629
Tap water thousand t 114 189 165
Underground water thousand t - - -
CO2 emissions thousand t-CO2 1,851 1,528 1,910
SOx emissions t 884 504 736
NOx emissions t 1,240 1,061 1,362
Soot/dust t 44 37 50
Wastewater thousand kL 251,750 211,041 251,235
COD t 11 8 10
Total nitrogen t 13 12 10
Total phosphorus t 1.2 1.1 1.2
Total waste t 80,775 78,586 68,666
Reduced by intermediate treatment t 51,124 50,159 45,396
Recycled t 28,707 26,716 21,988
Final disposal t 26 67 17
  • *1 The figure for energy consumption (crude oil equivalent) is calculated by subtracting the amount of by-product energy sold.
  • *2 Unit energy consumption = Crude oil equivalent (L) / Atmospheric distillation equipment converted throughput (kL)
Tokuyama Complex Unit FY2020 FY2021 FY2022
Petrochemical product manufacturing (Ethylene equivalent) thousand t 1,536 1,796 1,523
Energy consumption (Crude oil equivalent) thousand kL*1 778 904 861
Unit energy consumption kL/t*3 0.51 0.50 0.57
Seawater thousand t 397,463 426,763 396,776
Industrial water thousand t 11,502 11,308 10,159
Tap water thousand t 201 191 202
Underground water thousand t - - -
CO2 emissions thousand t-CO2 1,712 1,985 1,792
SOx emissions t 815 862 812
NOx emissions t 1,423 1,589 1,492
Soot/dust t 14 13 14
Wastewater thousand kL 409,166 438,261 406,139
COD t 16 20 16
Total nitrogen t 18 16 14
Total phosphorus t 0.3 0.4 0.5
Total waste t 24,924 30,501 28,405
Reduced by intermediate treatment t 15,001 20,487 17,782
Recycled t 9,920 9,968 10,623
Final disposal t 2 0 0
  • *1 The figure for energy consumption (crude oil equivalent) is calculated by subtracting the amount of by-product energy sold.
  • *3 Unit energy consumption = Crude oil equivalent (L) / Ethylene equivalent production (t)
Discharge and Transfer of PRTR-Designated Substances in FY2022
PRTR
No.
CAS
No.
Substance name Unit Total/ Discharged amount– Emissions to atmosphere
(standard emission intensity)
Total/ Discharged amount– Emissions to public water bodies
(standard emission intensity)
Total/ Discharged amount– Emissions to soil
(standard emission intensity)
Total/ Transferred amount– Disposed amount
(standard emission intensity)
Total
1 - Water-soluble compounds of zinc t 0.0 1.7 0.0 0.0 1.7
13 75-05-8 Acetonitrile t 0.0 0.0 0.0 2.7 2.7
20 141-43-5 2-aminoethanol t 0.0 0.0 0.0 51.7 51.7
33 1332-21-4 Asbestos t 0.0 0.0 0.0 2.8 2.8
37 80-05-7 4,4’-isopropylidenediphenol
(also known as bisphenol A)
t 0.0 0.0 0.0 4.4 4.4
53 100-41-4 Ethylbenzene t 10.5 0.0 0.0 6.9 17.4
80 1330-20-7 Xylene
(also known as dimethyl benzene)
t 24.4 0.1 0.0 6.8 31.2
132 - Cobalt and its compounds t 0.0 0.0 0.0 25.0 25.0
186 75-09-2 Dichloromethane
(also known as methylene chloride)
t 0.2 0.0 0.0 10.6 10.7
190 77-73-6 Dicyclopentadiene t 0.3 0.0 0.0 0.0 0.3
232 68-12-2 N, N-dimethylformamide t 0.0 0.0 0.0 17.2 17.2
240 100-42-5 Styrene t 19.7 0.0 0.0 1.3 21.0
242 - Selenium and its compounds t 0.0 0.0 0.0 0.9 0.9
243 - Dioxins mg-TEQ 0.0 1.1 0.0 0.0 1.1
245 62-56-6 Thiourea t 0.0 0.4 0.0 0.0 0.4
260 1897-45-6 2,4,5,6-tetrachloroisophthalonitrile
(also known as chlorothalonil or TPN)
t 0.0 0.0 0.0 40.0 40.0
262 127-18-4 Tetrachloroethylene t 0.0 0.0 0.0 0.1 0.1
281 79-01-6 Trichloroethylene (also known as trichlene) t 0.0 0.0 0.0 0.6 0.6
296 95-63-6 1,2,4-trimethylbenzene t 3.5 0.0 0.0 0.0 3.6
297 108-67-8 1,3,5-trimethylbenzene t 0.4 0.0 0.0 0.0 0.4
300 108-88-3 Toluene
(also known as methyl benzene)
t 100.4 0.0 0.0 52.3 152.7
349 108-95-2 Phenol t 0.2 0.0 0.0 4.6 4.8
389 112-02-7 Hexadecyltrimethylammonium chloride t 0.0 10.6 0.0 0.0 10.6
392 110-54-3 N-hexane t 235.2 0.0 0.0 8.7 243.9
400 71-43-2 Benzene t 26.0 0.0 0.0 0.0 26.1
405 - Boron compounds t 0.0 0.0 0.0 7.4 7.4
412 - Manganese and its compounds t 0.0 0.0 0.0 10.9 10.9
453 - Molybdenum and its compounds t 0.0 0.0 0.0 88.1 88.1
  • * In principle, the scope of the FY2022 data for Seibu Oil Co.,Ltd. covers the period from June 2022 to March 2023, after it became a consolidated group company. Seibu Oil Co.,Ltd. is not included in the scope of FY2020 and 2021 data, as it was not consolidated.
  • * Scope of Reporting: Idemitsu, consolidated refining companies (TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.) and major consolidated group companies
  • * Chemicals are not listed if the total volume of discharge and transfer is less than 0.1 ton per year.
  • * Figures presented above may not be consistent with the totals since they are rounded off to one decimal place.
  • * Act on the Assessment of Releases of Specified Chemical Substances in the Environment and the Promotion of Management Improvement
出光興産, DFF Inc.

Social

  • The scope of data is Idemitsu Kosan non-consolidated. However, the reporting scope of some data point differs from the others. For details, please refer to the notes for each data point.
  • The data for FY2022 indicated with (✔) has been assured by the Independent Practitioner.
Status of Employees
*As of March 31, 2023
Unit FY2020 FY2021 FY2022 Inde-pendent
Practi-tioner’s
Assu-rance
Note
Number of employees
(combined number of members and employees in managerial positions)
People 4,943 5,112 4,981 [Scope of Reporting]
Idemitsu hires (employees, seniors, full-time contract employees, and advisors)
Excluding employees seconded to other companies
*In FY2021 calculation method for “Seniors” changed.
*In FY2020 calculation method for “Of the number of employees in managerial positions, lower posts than deputy general manager” changed.
  Men People 4,355 4,460 4,316
Women People 588 652 665
Percentage of women % 11.9 12.8 13.4
Foreign nationals People 35 41 36  
Percentage of foreign nationals % 0.7 0.8 0.7  
Seniors
(Over 60 years old)
People 600 634 433  
Seniors
(Over 65 years old)
People - 112 160  
Number of members People 3,959 4,137 4,029  
  Men People 3,395 3,510 3,397  
Women People 564 627 632  
Percentage of women % 14.2 15.2 15.7  
Number of employees in managerial positions
(managers, general managers)
People 984 975 952
  Men People 960 950 919
Women People 24 25 33
Percentage of women % 2.4 2.6 3.5
Of the numbers of employees in managerial positions, higher posts than general manager People 37 39 44  
  Men People 34 37 41  
Women People 3 2 3  
Percentage of women % 8.1 5.1 6.8  
Of the numbers of employees in managerial positions, lower posts than deputy general manager People 947 935 908  
  Men People 926 912 878  
Women People 21 23 30  
Percentage of women % 2.2 2.5 3.3  
Average age years old 42.1 42.1 42.2
  Men years old 42.3 42.4 42.5
Women years old 40.3 40.1 40.5
Average years employed years 19.4 18.6 18.5
  Men years 19.7 19.0 18.9
Women years 17.3 16.1 16.1
Average wage Basic wages received by men Management
-level employees
yen / month 689,656 691,727 688,951   [Scope of Reporting]
Idemitsu hires (employees, seniors, full-time contract employees, and advisors)
Staff members yen / month 368,413 371,354 342,687  
Bonuses received by men Management
-level employees
yen / year 4,139,552 4,131,412 5,201,780  
Staff members yen / year 1,831,199 2,048,839 2,401,878  
Basic wages received by women Management
-level employees
yen / month 675,789 676,088 664,407  
Staff members yen / month 342,353 334,948 319,638  
Bonuses received by women Management
-level employees
yen / year 4,261,621 4,302,342 4,699,277  
Staff members yen / year 1,666,345 1,827,210 1,995,833  
Status of employees with disabilities
*As of June 1, 2023
Percentage % 2.30 2.35 2.50 [Scope of Reporting]
Scope of Reporting: Idemitsu hires (employees, seniors, full-time contract employees, and advisors)
Including employees seconded to other companies, but excluding employees seconded from other companies Based on the calculation method of the Ministry of Health, Labour and Welfare
Number People 119 124 125  
Number of employees
(consolidated)
People 14,044 14,209 14,363   [Scope of Reporting]
Idemitsu and consolidated subsidiaries (FY2020: 63 companies, FY2021: 62 companies, FY2022: 63 companies)
Turnover rate
(including honorable retreat)
% 3.18 3.97 4.22   [Scope of Reporting]
Idemitsu hires (employees, seniors, full-time contract employees, and advisors)
Excluding employees seconded to other companies
Voluntary retirement rate % 1.42 2.13 2.29  
New graduate retention rate
(average for newly hired employees between 2018 and 2020)
% 89.4 89.6 89.3 [Scope of Reporting]
Results are from Idemitsu's direct hires
  • Retention rate: Average rate of three-year retention of new graduates in the relevant fiscal years
  • Turnover rate: Average rate of new graduates within three years of employment in the relevant fiscal year
Turnover rate of new graduates
(average for newly hired employees between 2018 and 2020)
% 8.8 7.9 10.0
Status of Recruitment Unit FY2020 FY2021 FY2022 Independent
Practitioner’s
Assurance
Note
Recruitment of new graduates *Hired in April 2023 People 151 131 87 [Scope of Reporting]
Results are from Idemitsu's direct hires
Data in parentheses FY2022 are for college graduates or higher.
(48)
  Men People 127 107 70
(32)
Women People 24 24 17
(16)
Percentage of women % 15.9 18.3 19.5
(33.3)
Foreign nationals People 2 1 1
(1)
Percentage of foreign nationals % 1.3 0.8 1.1
(2.1)
Career recruitment *Hired in FY2022 People 91 62 33
Work-Life Balance Support Systems and Usage Numbers Unit FY2020 FY2021 FY2022 Independent
Practitioner’s
Assurance
Note
Maternity leave Women People 35 30 31 [Scope of Reporting]
Idemitsu hires (employees, including employees seconded to other companies)
*Seniors and re-employed are included before FY2020.
Childcare leave People 90 108 168
  Men People 22 49 142
Women People 68 59 26
Rate of employees taking childcare leave % - - 86
  Men % - - 84
Women % - - 96
Rate of employees returning to work after childcare leave % - - 100
  Men % - - 100
Women % 100 100 100
Nursing care leave People 2 5 8
  Men People 2 3 7
Women People 0 2 1
Reduced working hours for parenting People 72 62 50
  Men People 1 0 3
Women People 71 62 47
Leave to care for sick/ injured child People 133 226 228
  Men People 61 133 121
Women People 72 93 107
Family care leave People 37 43 56
  Men People 25 35 44
Women People 12 8 12
Telecommuting People 3,592 4,581 4,592
  Men People 3,086 3,976 4,033
Women People 506 605 559
Self-development leave of absence People 2 0 3
  Men People 2 0 1
Women People 0 0 2
Volunteer leave of absence People 1 0 0  
  Men People 0 0 0  
Women People 1 0 0  
"Cessation from work by employees whose spouses are transferred to countries abroad People 4 8 10  
  Men People 0 0 0  
Women People 4 8 10  
Overtime Work and
Annual Paid Leave
Unit FY2020 FY2021 FY2022 Independent
Practitioner’s
Assurance
Note
Average overtime work hours per employee hours / month 20.0 20.8 20.5 [Scope of Reporting]
Idemitsu hires (employees)
Excluding employees on leave and seconded employees
Results of overtime work is excluding employees in managerial positions
*Seniors and re-employed are included before FY2020.
Average annual paid leave taken by an employee Days 14.1 15.3 16.9
Average usage rate of annual paid leave
per employee
% 69.5 75.3 83
Training Results Unit FY2020 FY2021 FY2022 Independent
Practitioner’s
Assurance
Note
Training hours Total hours 57,581 81,653 74,722 [Scope of Reporting]
Results for Idemitsu non-consolidated from training organized by the Human Resources Department
*In FY2021,included 3 in-house training courses (Smart Yorozu Juku,Business Design Juku,CNX Center Juku)
Per person hours 10.9 15.6 12.8
Amount of investment in training Total thousand yen 256,000 235,400 247,810
Per person thousand yen 48 45 43
Occupational Accident Results Unit FY2020 FY2021 FY2022 Independent
Practitioner’s
Assurance
Note
Occupational accidents frequency rate Employees - 0.30 0.74 0.15 [Scope of Reporting]
Hokkaido Refinery, Chiba Complex (Including Prime Polymer Co., Ltd. Anesaki Works), Aichi Complex, Tokuyama Complex, TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co., Ltd.
*Until FY2021, Chiba Complex includes BASF Idemitsu Co., Ltd..
  • Employees: Including employee of group refinery companies listed above
  • Employee of partner companies: Including employees of Idemitsu Plantec Group
[Reporting period]
From January to December
[Calculation Method]
  • Frequency rate= (Number of casualties due to occupational accidents/hours of actual work) ×1,000,000
  • TRIFR= (Number of overall occupational accidents/hours of actual work)×1,000,000
  • LTIFR= (Number of accidents resulting in lost work days/hours of actual work)×1,000,000
  • Severity rate= (Number of lost working days/hours of actual work) ×1,000
Employees of partner companies - 0.79 0.41 0.46
Fatalities due to occupational accidents Employees People 0 0 0
Employees of partner companies People 0 1 0
TRIFR
(Total Recordable Injury Frequency Rate)
Employees - 1.35 2.51 1.62
Employees of partner companies - 2.71 2.41 2.66
LTIFR
(Lost Time Incident Frequency Rate)
Employees - 0.30 0.74 0.15
Employees of partner companies - 0.79 0.41 0.46
Severity rate Employees - 0.00 0.01 0.00
Employees of partner companies - 0.05 0.52 0.02
Number of Accidents Related to Safety Unit FY2020 FY2021 FY2022 Independent
Practitioner’s
Assurance
Note
Serious accidents Cases 0 0 0 [Scope of Reporting]
Hokkaido Refinery, Chiba Complex (Including Prime Polymer Co., Ltd. Anesaki Works), Aichi Complex, Tokuyama Complex, TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co., Ltd.
*Until FY2021, Chiba Complex includes BASF Idemitsu Co., Ltd..
  • Partner companies: Including Idemitsu Plantec Group
[Reporting Period]
From January to December
  Of the numbers mentioned above, partner companies Cases 0 0 0
Fatal accidents Cases 0 1 1  
  Of the numbers mentioned above, partner companies Cases 0 1 1  
Accidents resulting in lost time injuries Cases 13 11 27  
  Of the numbers mentioned above, partner companies Cases 11 6 15  
Accidents not resulting in lost time injuries Cases 34 41 41  
  Of the numbers mentioned above, partner companies Cases 27 29 22  
Acquisition Status of ISO 9001 (Quality Management Systems) Unit As of June 30, 2021 As of June 30, 2022 As of June 30, 2023 Independent
Practitioner’s Practitioner’s Assurance
Note
Domestic and overseas business sites sites 34 33 32    
Results Related to Health Unit FY2020 FY2021 FY2022 Note
Periodic medical checkup participation rate % 100.0 99.9 99.9 [Scope of Reporting] Idemitsu hires, including employees seconded to other companies but excluding employees seconded from other companies and overseas workers
Ratio of employees who underwent follow-up medical checkups % 89.1 89.1 89.0 [Scope of Follow-up Medical Checkups] Including non-mandatory items
Ratio of employees requiring blood pressure control measures % 0.2 0.2 0.1 [Calculation Criteria] Individuals whose systolic blood pressure is 180mmHg or higher or whose diastolic blood pressure is 110mmHg or higher
Ratio of employees requiring diabetes control measures % 0.5 0.6 0.5 [Calculation Criteria] Individuals with an HbA1c level of 8.0% or higher
Ratio of employees who received health guidance after being diagnosed as high risk % 94.7 92.3 94.6 [Calculation Criteria] Individuals considered as requiring control measures for BMI, blood pressure, ALT/ HDL cholesterol, LDL cholesterol, neutral lipid or HbA1c in order to meet Idemitsu’s standards
Ratio of employees who receive ongoing assistance after being diagnosed as high risk % 63.0 62.3 75.2 [Scope of Reporting] Individuals under Idemitsu hires who are supervised by Head Office’s medical office (including employees seconded to other companies but excluding employees seconded from other companies and overseas workers)
Ratio of employees not considered as requiring weight control measures % 65.9 66.2 65.2 [Calculation Criteria] Individuals whose BMI ranges from 18.5 to below 25.0
The result of the medical examination questionnaire Ratio of employees who smokes % 22.0 20.9 20.6  
Ratio of employees who maintain exercise habits % 34.0 36.7 37.0 [Calculation Criteria] Individuals who engage in at least 30 minutes of physical exercise twice a week
Ratio of employees with no sleeping issues inhibiting sufficient rest % 78.4 78.1 75.9  
Ratio of employees who maintain a regular drinking habit % 19.1 15.1 17.8 [Calculation Criteria] Individuals who habitually drink alcohol in a quantity equivalent to at least 360ml of rice wine on a daily basis or several days a week
Ratio of employees who eat breakfast % 76.3 75.9 74.9 [Calculation Criteria] Individuals who eat breakfast at least five times a week
Ratio of employees deemed to practice robust self healthcare % 26.2 27.6 28.0 [Calculation Criteria] Individuals with no lifestyle-related issues, such as smoking, a lack of exercise, poor sleeping, a regular drinking habit, or failure to eat breakfast
Ratio of employees who took leave due to mental health issues % 1.5 1.5 1.7 [Scope of Reporting]
Idemitsu hires, including employees seconded to other companies and overseas workers but excluding employees seconded from other companies
[Calculation Criteria]
Individuals who took at least a full month of leave due to mental health issues (two or more rounds of such leave taken within a single fiscal year are counted separately)
Employee stress checks Participation rate % 89.4 89.3 88.8 [Scope of Reporting]
Idemitsu hires, including overseas workers but excluding employees seconded to other companies and employees seconded from other companies
Ratio of employees exposed to a high level of stress % 7.3 7.7 7.8 [Scope of Reporting]
Individuals who underwent stress checks
[Criteria for a High Level of Stress]
Based on standards recommended by the Ministry of Health, Labour and Welfare
Presenteeism % - - 19.2 [Calculation Criteria] A drop degree of the productivity by the aggravation of the mental and physical health condition. The standard uses the University of Tokyo (SPQ).
出光興産, DFF Inc.

Governance

  • The scope of data is Idemitsu Kosan non-consolidated.
Composition of Executive
*As of June 30, 2023
Unit FY2020 FY2021 FY2022 FY2023
Directors People 12 11 11 11
  Of the numbers mentioned above, Outside Directors People 5
(Female:1, Non-Japanese:1)
4
(Female:2, Non-Japanese:1)
4
(Female:2)
4
(Female:2)
Audit & Supervisory Board Members People 4 4 4 4
  Of the numbers mentioned above, Outside Audit & Supervisory Board Members People 2 2 2 2
Number of Convened Meetings of the Board of Directors, etc. Unit FY2020 FY2021 FY2022
Board of Directors Number of meetings Times 16 15 15
Average rate of attendance % 99.5 100.0 99.4
Audit & Supervisory Board Number of meetings Times 17 16 16
Average rate of attendance % 100 100 100
Compliance Unit FY2020 FY2021 FY2022 Note
Serious compliance violations Cases 0 0 2 [Scope of Reporting]
Idemitsu and affiliated companies
Number of cases of corruption and bribery Cases 0 0 0
Number of employee disciplinary actions related to corruption and bribery Cases 0 0 0
Tax compliance violations Cases 0 0 0 [Scope of Reporting]
Idemitsu and affiliated companies substantially controlled by Idemitsu (Companies of which Idemitsu hold more than 50% shares except for Astomos Energy Corporation)
Information Security Unit FY2020 FY2021 FY2022 Note
Serious information security violations Cases 0 0 0 [Scope of Reporting]
Idemitsu and affiliated companies
Serious violations of personal information Cases 0 0 0
Intellectual Property Unit FY2020 FY2021 FY2022 Note
Number of patent publications Japan Cases 223 254 231 [Scope of Reporting]
Idemitsu Kosan Co., Ltd., Idemitsu Unitech Co., Ltd., IDEMITSU FINE COMPOSITES CO., LTD., Solar Frontier K.K, NIPPON GREASE Co., Ltd., Idemitsu Engineering Co., Ltd., IDEMITSU CREDIT CO., LTD.
Overseas Cases 161 137 196
Number of registered patents held Japan Cases 2,102 2,050 2,012
Overseas Cases 3,444 3,538 3,626
出光興産, DFF Inc.

Data Sheet

Data Sheet will be updated in November 2023.

Resource Inputs and Environmental Footprints Attributable to the Idemitsu Group’s Operations
Figure

Click here for enlarged PDF (PDF: 2.57MB)

Trend in CO2 Emissions (Scope1, 2, 3)
Graph
  • * Scope of calculation: Idemitsu, consolidated refining companies (TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd.) and major consolidated group companies
Breakdown of waste disposal
Graph
  • * Scope of calculation: Hokkaido Refinery, Chiba Complex, Aichi Refinery (currently Aichi Complex), Tokuyama Complex, TOA Oil Co., Ltd. and Showa Yokkaichi Sekiyu Co., Ltd.
Trend in CO2 Emissions (Scope1+2)
Graph
  • * Scope of calculation: Idemitsu, consolidated refining companies (TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co.,Ltd.) and major consolidated group companies
Final disposal rate at group refineries
Graph
  • * Scope of calculation: Hokkaido Refinery, Chiba Complex, Aichi Refinery (currently Aichi Complex), Tokuyama Complex, TOA Oil Co., Ltd. and Showa Yokkaichi Sekiyu Co., Ltd.
Trend in Employee Composition by Gender
Graph
  • * Scope of calculation: Idemitsu hires (employees, seniors, full-time contract employees, and advisors) and excludes employees seconded to other companies
  • * Data for FY2019 is as of April 1 2020, FY2020 is as of the end of March 2021 and FY2021 is as of the end of March 2022.
Trend in Female Recruiting Ratio
Graph
  • * Scope of calculation: Results are from Idemitsu’s direct hires
  • * Result is hired in next April of each fiscal year.
Trend in Female Ratio in Managerial Positions
Graph
  • * Scope of calculation: Idemitsu hires (employees, seniors, full-time contract employees, and advisors) and excludes employees seconded to other companies
Male ratio taking childcare leave: Target
Graph
  • * Scope of calculation: Idemitsu hires (employees, including employees seconded to other companies)
  • * FY2022 is as of the end of September, 2022.
Average Overtime Work Hours per Employee
Graph
  • * Scope of calculation: Idemitsu hires (employees)
  • * Excluding employees on leave, seconded employees and employees in managerial positions
  • * Seniors and re-employed are included before FY2020
Trend in Investment in Training per Employee
Graph
  • * Scope of calculation: Results for Idemitsu non-consolidated from training organized by the Human Resources Department
  • * This includes 3 in-house training courses (Smart Yorozuya Juku, Business Design Juku, and CNX Center Juku). 3 in-house training courses are 2 thousand yen.
Average Annual Paid Leave Taken by an Employee
Graph
  • * Scope of calculation: Idemitsu hires (employees)
  • * Excluding employees on leave and seconded employees
  • *Seniors and re-employed are included before FY2020
Occupational accidents Frequency rate
(Accident incidence frequency)
Graph
Severity rate
(Degree of accident severity)
Graph
  • * [Scope of Reporting] Hokkaido Refinery, Chiba Complex (Including Prime Polymer Co., Ltd. Anesaki Works, BASF Idemitsu Co., Ltd.), Aichi Refinery (currently Aichi Complex), Tokuyama Complex, TOA Oil Co., Ltd., Showa Yokkaichi Sekiyu Co., Ltd., Seibu Oil Co., Ltd.
    • Employees: Including employee of group refinery companies listed above.
    • Employee of partner companies: Including employees of Idemitsu Plantec Group.
    [Reporting Period] From January to December
  • * Figures presented as averages for all industries for business sites of 100 or more employees are cited from the Ministry of Health, Labour and Welfare’s Survey on Industrial Accidents.
Changes in Corporate Governance Structure
Graph
Trend in Number of Patent Publications
Graph
Trend in Registered Patents Held
Graph
  • * Scope of calculation: Idemitsu Kosan Co.,Ltd., Idemitsu Unitech Co., Ltd., IDEMITSU FINE COMPOSITES CO., LTD., Solar Frontier K.K, NIPPON GREASE Co., Ltd., Idemitsu Engineering Co., Ltd., IDEMITSU CREDIT CO.,LTD.
出光興産, DFF Inc.

Independent Practitioner’s Assurance Report

出光興産, DFF Inc.