- Stable supply of silicon wafers due to global market share of approximately 30%.
- Managing risks to ensure stable supply across the entire supply chain.
- Reducing environmental load from energy, water, and chemical substance use.
- Soil and groundwater contamination at the Noda plant (ongoing remediation).
SUMCO Corporation
Greenhouse gas emissions & sustainability report data
In its 2019 reporting, SUMCO Corporation disclosed greenhouse gas emissions of 726 thousand t-CO2e/year (Scope 1 & 2). By scope: Scope 1: 24 thousand t-CO2e/year; Scope 2: 702 thousand t-CO2e/year; Scope 3: 5 thousand t-CO2e/year. 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
726 thousand t-CO2e/year (Scope 1 & 2)
2019
Water Usage
18.0 Mm3/year
2019
Waste
24.8K tons/year (industrial waste)
2019
Energy Use
1.7K GWh/year
2019
📊 Emissions by Scope (2019)
| 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). | 24 thousand t-CO2e/year |
| Scope 2 | Indirect emissions from purchased electricity, steam, heat and cooling. | 702 thousand t-CO2e/year |
| Scope 3 | Other indirect emissions across the value chain (purchased goods, business travel, use of sold products, etc.). | 5 thousand t-CO2e/year |
New to scopes? Read Scope 1, 2 and 3 emissions explained and market-based vs location-based Scope 2.
✅ Reported Environmental Achievements
- Reduced CO2 emissions (Scope 1+2) by 0.9% from the previous year.
- Reduced chemical substance use by 1.5% from the previous year.
- Reduced industrial waste by 2.7% from the previous year.
- Reduced water consumption by 0.6% from the previous year.
- 63.2% reusable containers used for shipment in 2019.
- Water recycling rate of 39.0% in 2019.
🎯 Climate & Sustainability Targets
📅 Medium-term
- 14.9% reduction in CO2 emission per unit (Scope1+2) from 2014 by 2030 (1.0% reduction every year)
🌱 ESG Focus Areas
Corporate GovernanceEnvironmental ConservationHealth and Productivity ManagementSupply ChainHuman RightsSafety and HealthCommunity Relations