Climate Change Data

Wafer Works Corporation

Climate Impact & Sustainability Data (2023)

Reporting Period: 2023

Environmental Metrics

Total Carbon Emissions:69,839.88 tCO2e/year
Scope 1 Emissions:3,868.77 tCO2e/year
Scope 2 Emissions:60,904.32 tCO2e/year
Scope 3 Emissions:5,066.94 tCO2e/year
Renewable Energy Share:1.3%
Total Energy Consumption:460,310.95 GJ/year
Water Consumption:1,939,210 m3/year
Waste Generated:3,512.35 tons/year
Carbon Intensity:6.95 tCO2e/million NTD

ESG Focus Areas

  • Corporate Governance
  • Environmental Sustainability
  • Social Responsibility

Environmental Achievements

  • Reduced electricity consumption by 2,164,822 kWh per year across both fabs
  • Achieved a waste recycling rate of 86%
  • Recovered over 80,000 tonnes of water from the process in 2023
  • Over 80% of waste sludge generated from the wafer grinding and polishing process was recycled
  • Reuse rate of process waste reached 86%
  • Total energy saved in 2023 amounted to 2,084,990 kWh, with a reduction of 1032.07t CO2e emissions
  • Longtan Fab achieved a 7.2% reduction in water usage in 2023

Social Achievements

  • 100% of management positions at level 9 and above were held by local residents of Taiwan
  • Average employee satisfaction score of 78
  • 8 grievances were accepted and resolved with feedback provided
  • 512 training sessions were held in 2023, with 12,740 participants and a total of 23,731 hours of training
  • No discrimination cases or forced labor violations in 2023
  • Customer satisfaction score in 2023 was 88.75

Governance Achievements

  • In 2023, the Company's corporate governance evaluation results were in the 6%-20% range, meeting short- and medium-term targets
  • No violations of environmental laws or regulations, nor any fines in 2023
  • No violations of ethical management, no anti-competitive monopolies, or no breach of anti-corruption laws, and no related penalties or corruption reports in 2023
  • RBA Code of Conduct was verified by a third-party agency in 2022, earning a silver rating
  • 88 senior managers and board members signed an anti-corruption pledge

Climate Goals & Targets

Long-term Goals:
  • Replace C3F8 process gas with C4F8, reducing usage by 50%
  • achieve carbon neutrality by 2050
Medium-term Goals:
  • Achieve 30% renewable energy use by 2050
  • Replace N2O and C3F8 process tail gas treatment equipment with plasma-based, with a removal efficiency of up to 90%
Short-term Goals:
  • Reduce water usage by 1% annually
  • Reduce electricity consumption by 1.5% annually
  • Reduce N2O process GHG emissions by 9.8%
  • Achieve a 5.2% renewable energy usage rate by 2030

Environmental Challenges

  • Global inflationary pressures, coupled with the industry chain's active consumption of excessive inventory, have dealt a blow to the recovery of end-market consumption, further slowing down the pace of inventory destocking
  • intense global industry competition and threats
  • Global climate anomalies leading to water shortages and operational disruptions due to heavy rainfall
  • Increased pricing for greenhouse gas emissions
  • Strengthened emissions reporting obligations
  • Requirements for and oversight of existing products and services
  • Substitution of existing products and services with low-carbon alternatives
  • Costs of transitioning to low-carbon technologies
  • Changes in customer behavior
  • Changes in rainfall patterns and in extreme climate patterns
  • Increased severity of extreme weather events such as typhoons and floods
  • Rise in raw material costs
  • Increase in average temperatures
  • Rise in sea levels
  • Failure to maintain good relations with customers or privacy breaches
Mitigation Strategies
  • developed various niche products, actively promoted key markets
  • strengthen the exchange of experience and resource sharing among subsidiaries, enhance the operational synergy of the group, and actively deploy 12-inch product lines and capacity
  • maintaining drainage systems and establishing emergency response plans for typhoons and rainstorms
  • factory area has completed waterproofing projects, acquired disaster insurance, and installed retention walls
  • adopted ISO 14001:2015 environmental management system certified by a third-party
  • Monthly maintenance of drainage facilities with pump motors
  • green energy conservation, minimizing module designs to reduce raw material usage, strengthening localization in the supply chain procurement
  • Seek alternative raw material suppliers or suppliers exempt from carbon tax based on carbon emissions to cut material acquisition costs, and explore procurement from neighboring countries to reduce transportation costs
  • Implementation of ISO 14064-2:2019 Carbon Reduction Offset Project counseling
  • Regular contact with customers to ensure stable customer relations
  • Wafer Works holds meetings or organizes educational training courses from time to time to address customer service issues and needs, in addition to regularly analyzing customer satisfaction reports and supplier rating tables for improvement

Supply Chain Management

Supplier Audits: 24 on-site and online supplier audits/year

Responsible Procurement
  • RoHS 2.0 reports and commitments to prohibit the use of hazardous substances
  • RBA Code of Conduct
  • Commitment to Prohibit the Use of Hazardous Substances
  • Declaration of Non-Use of Conflict Minerals
  • Green Product Related Substance Management Guidelines

Climate-Related Risks & Opportunities

Physical Risks
  • Changes in rainfall patterns and in extreme climate patterns
  • Increased severity of extreme weather events such as typhoons and floods
  • Rise in sea levels
Transition Risks
  • Increased pricing for greenhouse gas emissions
  • Strengthened emissions reporting obligations
  • Rise in raw material costs
Opportunities
  • Reduction of water use and consumption
  • Recycling and reuse
  • Use of low-carbon energy sources

Reporting Standards

Frameworks Used: GRI, SASB, TCFD

Certifications: ISO 9001, IATF 16949, ISO 50001, ISO 14001, ISO 14064-1, ISO 45001, BS 8001

Third-party Assurance: AFNOR Asia Ltd.

UN Sustainable Development Goals

  • SDG 7
  • SDG 8
  • SDG 9
  • SDG 12
  • SDG 13
  • SDG 16
  • SDG 17

Awards & Recognition

  • Taiwan Sustainability Action Awards (TSAA) - SDG 7 Bronze
  • National Brand Yushan Award First Prize for Outstanding Enterprise
  • Taiwan Corporate Sustainability Awards (TCSA) Sustainability Report Award - Silver
  • Taiwan Corporate Sustainability Awards (TCSA) Comprehensive Performance Award - Top 100 Sustainability Exemplary Enterprises