- Significant losses in large-scale domestic building projects
- Tight construction workforce
- Rising construction costs due to material price increases
- Geopolitical risks
- Country risks in some overseas markets
三井住友建設株式会社 (Sumitomo Mitsui Construction Co., Ltd.)
Greenhouse gas emissions & sustainability report data
In its 2022 reporting, 三井住友建設株式会社 (Sumitomo Mitsui Construction Co., Ltd.) disclosed greenhouse gas emissions of 168.9K t-CO2e (2022). By scope: Scope 1: 147.7K t-CO2e (2022); Scope 2: 21.1K t-CO2e (2022); Scope 3: 1.3M t-CO2e (2022). Figures are as stated in the company's own report and may use different boundaries, units or methods (for example market-based vs location-based Scope 2), so compare with care.
GHG Emissions
168.9K t-CO2e (2022)
2022
Waste
551.0K tons (2022)
2022
Energy Use
6.3K MWh (2022)
2022
📊 Emissions by Scope (2022)
| Scope | What it covers | Reported value |
|---|---|---|
| Scope 1 | Direct emissions from sources the company owns or controls (fuel combustion, company vehicles, process and fugitive emissions). | 147.7K t-CO2e (2022) |
| Scope 2 | Indirect emissions from purchased electricity, steam, heat and cooling. | 21.1K t-CO2e (2022) |
| Scope 3 | Other indirect emissions across the value chain (purchased goods, business travel, use of sold products, etc.). | 1.3M t-CO2e (2022) |
New to scopes? Read Scope 1, 2 and 3 emissions explained and market-based vs location-based Scope 2.
📈 Emissions by Report Period
| Report period | Headline emissions figure reported |
|---|---|
| 2022 | 168.9K t-CO2e (2022) |
| 2018-04 to 2019-03 | 39.9 t-CO2/100 million yen (FY2018) |
| 2016-04 to 2017-03 | 23.6 tCO2 per 0.1 billion yen |
| 2015-04 to 2016-03 | 24.4 t-CO2/100 million yen |
Each row is the headline figure extracted from a different report; scope coverage and methodology can change between years.
✅ Reported Environmental Achievements
- Reduced CO₂ emissions (Scope1+2) by 10.6% (2020 baseline)
- Reduced CO₂ emissions (Scope3) by 33.4% (2020 baseline)
- Construction waste recycling rate: 99.3% (Civil Engineering), 97.8% (Building Construction)
- Achieved Net Zero Energy Building (ZEH-M) certification for employee dormitory
🎯 Climate & Sustainability Targets
🔜 Short-term
- Reduce CO₂ emissions (Scope1+2) by 15% by 2023
- Reduce CO₂ emissions (Scope3) by 7.5% by 2023
- Increase renewable energy generation capacity to 40MW by 2024
📅 Medium-term
- Reduce CO₂ emissions (Scope1+2) by 50% by 2030
- Reduce CO₂ emissions (Scope3) by 25% by 2030
- Increase renewable energy generation capacity to 150MW by 2030
- Achieve 100% construction waste recycling rate by 2030
- Increase women in management positions to 3.0% by 2024
🔭 Long-term
- Achieve carbon neutrality by 2050
🌱 ESG Focus Areas
Sustainable SocietySafe and Comfortable SocietyAttractive Work Environment and Securing/Developing Human ResourcesStrengthening Management Base