Environment
Environmental Performance Data
The data marked with "" (FY Mar/2023) are assured by Deloitte Tohmatsu Sustainability Co., Ltd., an external assurance provider based on International Standard on Assurance Engagements (ISAE) 3000 and ISAE3410.
Energy Consumption
Please scroll horizontally to look at table below.
Category | Scope of coverage | Unit | FY Mar/2021 | FY Mar/2022 | FY Mar/2023 | External Assurance |
Remarks | ||
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Energy Consumption | GJ | ||||||||
Mitsui & Co., Ltd | Head office and all offices in Japan | 166,307 | 138,668 | 133,026 | ![]() |
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Consolidated | Subsidiaries | 17,148,012 | 15,883,365 | 17,077,300 | ![]() |
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Un-incorporated JVs | 24,763,476 | 22,705,638 | 17,119,511 | ![]() |
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Total | 42,077,795 | 38,727,671 | 34,329,837 | ![]() |
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(Breakdown) | Fuels | 32,358,474 | 29,384,281 | 25,186,671 | |||||
Electricity | 9,644,958 | 9,257,125 | 8,983,625 | ||||||
Steam, Heat | 74,363 | 86,265 | 159,541 | ||||||
Power Consumption | Head office, all offices in Japan, and Subsidiaries | MWh | 685,216 | 648,113 | 655,011 | ||||
Renewable electricity (RE) Consumption | 2,199 | 25,641 | 48,639 | ||||||
RE Consumption rate | % | 0.3 | 4.0 | 7.4 | |||||
Intensity | Mitsui & Co., Ltd | Head office and domestic branches (per square meter) |
GJ/m2 | 1.19 | 1.36 | 1.24 | ![]() |
Greenhouse Gas (GHG)
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Category | Scope of coverage | Unit | FY Mar/2021 | FY Mar/2022 | FY Mar/2023 | External Assurance |
Remarks | ||
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Greenhouse Gas (GHG) Emissions | thousand t-CO2e | *1 | |||||||
Scope1 | Mitsui & Co., Ltd | Head office and all offices in Japan | 1 | 0 | 0 | ![]() |
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Consolidated | Subsidiaries | 315 | 366 | 349 | ![]() |
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Un-incorporated JVs | 3,552 | 3,405 | 2,657 | ![]() |
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Total | 3,868 | 3,771 | 3,006 | ![]() |
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Scope2 | Mitsui & Co., Ltd | Head office and all offices in Japan | 0 | 0 | 0 | ![]() |
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Consolidated | Subsidiaries | 244 | 227 | 225 | ![]() |
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Un-incorporated JVs | 224 | 185 | 175 | ![]() |
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Total | 468 | 412 | 400 | ![]() |
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Scope1+2 | Total | thousand t-CO2e | 4,336 | 4,183 | 3,406 | ![]() |
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Scope1&2 Emissions (before off-set credit adjustment) | Mitsui & Co., Ltd | Head office and all offices in Japan | thousand t-CO2e | 7 | 7 | 6 | ![]() |
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Scope1+2 (before off-set credit adjustment) | Total | thousand t-CO2e | 4,343 | 4,190 | 3,412 | ![]() |
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Scope3 | Category15 Investment | Emissions related to our investment | thousand t-CO2e | 35,000 | 36,000 | 33,576 | *2 | ||
Domestic transportation within Category4(Transportation) | Consigned logistics in Japan with Mitsui as the shipper | 21 | 19 | 19 | ![]() |
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Category6 Business trips | Head office | 13 | 19 | 67 | *3 | ||||
Category7 Commuting | Head office | 1 | 1 | 1 | |||||
Scope1 (Break Down) (before credit off-set adjustment) |
CO2 | Carbon dioxide | 2,487 | 2,434 | 1,975 | ||||
CH4 | Methane | 1,378 | 1,336 | 1,029 | |||||
N2O | Carbon monoxide | 3 | 2 | 2 | |||||
HFCs | Hydrofluorocarbon | 0 | 0 | 0 | |||||
PFCs | Perfluorocarbon | 0 | 0 | 0 | |||||
SF6 | Sulfur hexafluoride | 0 | 0 | 0 | |||||
NF3 | Nitrogen trifluoride | 0 | 0 | 0 | |||||
Scope1 by Area (before credit off-set adjustment) |
Asia Pacific | - | 3,056 | 2,315 | |||||
Americas | - | 407 | 345 | ||||||
Europe, Middle East, and Africa | - | 308 | 347 | ||||||
Scope2 by Area (before credit off-set adjustment) |
Asia Pacific | - | 331 | 329 | |||||
Americas | - | 73 | 65 | ||||||
Europe, Middle East, and Africa |
- | 14 | 11 | ||||||
GHG Intensity | Mitsui & Co., Ltd | Head office and all offices in Japan (per square meter) |
t-CO2e/m2 | 0.003 | 0.001 | 0 | ![]() |
*4 | |
Credit Details | Mitsui & Co., Ltd | J-Credit | t-CO2e | 3,956 | 3,419 | 2,707 | |||
J-VER | 3,000 | 3,000 | 3,000 |
*1 [Standards/Guidelines for Scope1+2 calculation] Consolidation : GHG Protocol Control Approach
Measurement : with reference to GHG Protocol "Emission-Factors-from-Cross-Sector-Tools (March2017)," International Energy Agency (IEA) Emissions Factors 2022, IPCC 2006 Guidelines for National Greenhouse Gas Inventories, Act on Rationalizing Energy Use and others
*2 [Scope3 Investment] Estimated values of emissions from mineral & metal resources, energy and thermal power generation businesses not included in Scope 1+2 and other affiliated company businesses using LCA databases (IDEA, Ecoinvent), input-output models, etc.
*3 [Scope3 Business trip] Referring to the supply chain emissions calculation database of the Ministry of the Environment
*4 Figures for previous years were revised.
Water Consumption
Please scroll horizontally to look at table below.
Category | Scope of coverage | Unit | FY Mar/2021 | FY Mar/2022 | FY Mar/2023 | External Assurance |
Remarks | ||
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Water Withdrawal | thousand m3 | ||||||||
Mitsui & Co., Ltd | Head office and all offices in Japan | 25 | 57 | 70 | ![]() |
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Consolidated | Subsidiaries and Un-incorporated JVs | 358,877 | 300,696 | 287,727 | ![]() |
*5 | |||
Total | 358,902 | 300,753 | 287,798 | ![]() |
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(Breakdown) | Industrial water, water utility | 4,779 | 5,428 | 18,446 | |||||
Pumped groundwater | 17,560 | 12,396 | 13,432 | ||||||
Rivers, lakes | 15,405 | 20,035 | 2,458 | ||||||
Sea | 316,075 | 257,024 | 244,361 | ||||||
Rainwater | 3,518 | 3,697 | 6,958 | ||||||
Others | 1,565 | 2,172 | 2,143 | ||||||
Intensity | Mitsui & Co., Ltd | Head office and Osaka Office (per employee) |
m3/employee | 6.47 | 12.76 | 15.14 | ![]() |
*6 | |
Water Discharge | thousand m3 | ||||||||
Mitsui & Co., Ltd | Head office and all offices in Japan | 25 | 54 | 64 | ![]() |
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Consolidated | Subsidiaries and Un-incorporated JVs | 19,281 | 71,204 | 16,749 | ![]() |
*5 | |||
Total | 19,306 | 71,258 | 16,814 | ![]() |
*7 | ||||
(Breakdown) | External disposal facilities (sewers) | 2,096 | 1,912 | 1,454 | |||||
Groundwater | 400 | 415 | 431 | ||||||
Rivers, lakes | 6,082 | 2,616 | 3,007 | ||||||
Sea | 9,893 | 64,250 | 9,473 | ||||||
Others | 835 | 2,065 | 2,448 | ||||||
Water recycling | thousand m3 | ||||||||
Recycled Volume | Mitsui & Co., Ltd | Head office and all offices in Japan | - | 13 | 19 | *4 | |||
Consolidated | Subsidiaries and Un-incorporated JVs | 4,706 | 5,844 | 6,302 | |||||
Recycled Rate | Mitsui & Co., Ltd | Head office and all offices in Japan | % | - | 23 | 27 |
*4 Figures for previous years were revised.
*5 Consolidated subsidiaries and major Un-incorporated JV
*6 [Boundary] FY 21/Mar : Headquarters,Osaka Office and Nagoya Office FY 22/Mar and FY23/Mar: Headquarters and Osaka Office
*7 Water discharge volume is assumed to be equal to water withdrawal in case of no discharge data
Waste and Paper Consumption
Please scroll horizontally to look at table below.
Category | Scope of coverage | Unit | FY Mar/2021 | FY Mar/2022 | FY Mar/2023 | External Assurance |
Remarks | ||
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Waste | |||||||||
Waste amount | Head office, Osaka Office | t | 956 | 314 | 280 | ![]() |
*6 | ||
Recycling rate | % | 85.6 | 93.8 | 91.6 | ![]() |
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Intensity | (per employee) | t/employee | 0.251 | 0.086 | 0.077 | ![]() |
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Hazardous waste | Specially-controlled industrial waste | t | 0.4 | 0.5 | 0.4 | *8 | |||
Pollution Prevention | t | ||||||||
NOx Emissions | Head office, Osaka Offices | 0 | 3 | 2 | *9 | ||||
SOx Emissions | Head office, Osaka Offices | 0 | 0 | 0 | |||||
VOC Emissions | Head office, Osaka Offices | 0 | 0 | 0 | |||||
Paper Consumption | |||||||||
Paper consumption | Head office and domestic branches | thousand sheets (A4 size equivalent) | 11,632 | 11,304 | 11,339 | ![]() |
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Intensity | (thousand sheets per employee) | thousand sheets /employee |
2.97 | 2.96 | 3.00 | ![]() |
*6 [Boundary] FY 21/Mar : Headquarters,Osaka Office and Nagoya Office FY 22/Mar and FY23/Mar: Headquarters and Osaka Office
*8 Infectious waste discharged from in-house clinic
*9 [Boundary] FY 21/Mar : Headquarters FY 22/Mar and FY23/Mar: Headquarters and Osaka Office
Environmentally-friendly Logistics
In collaboration with our logistics partners, we implement energy-saving measures including promotion of economical driving practices and other fuel-saving techniques, improvement in transportation efficiency by using larger transport vehicles, introducing cargo consolidation arrangements, reviewing transport routes, and modal shift using rail and ship transport.
Please scroll horizontally to look at table below.
Category | Scope of coverage | Unit | FY Mar/2021 | FY Mar/2022 | FY Mar/2023 | External Assurance |
Remarks | ||
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Environmentally-friendly Logistics | Million ton-kilo-meters | ||||||||
Freight volumes handled by Mitsui | Domestic logistics handled by Mitsui | 506 | 453 | 412 | ![]() |
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(Breakdown) | Ship | 433 | 390 | 355 | ![]() |
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Truck | 73 | 64 | 57 | ![]() |
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Air/Rail | 0 | 0 | 1 | ![]() |
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Intensity | (fuels per thousand ton-kilo-meters) | kl/thousand ton-kilo-meters | 0.015 | 0.016 | 0.017 | ![]() |
Initiatives toward Environmentally-friendly Logistics
Improvement of Land Transport Efficiency | We will use more energy efficient transportation methods. · Using consolidated cargo · Using larger transport vehicles to increase loading rates · Reviewing transport routes and methods |
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Improvement of Sea Transport Efficiency | We will continue to provide the following guidance for vessels chartered and/or operated by our affiliated companies. · Increasing ship loading rates · Economic cruise speed operation |