Green Transformation

Towards a Greener and Better Future

ASEH is committed to improving our eco-efficiency and protecting the environment by continuously enhancing resources recycling, and reducing GHG emissions, waste generation, wastewater effluent, and chemical usage.

ASEH strives to develop and promote a green concept in all facets of its enterprise. We are committed to ensuring the protection of the earth through our efforts to reduce greenhouse gas emissions, waste and effluent. In addition, from the initial product design stage, we conscientiously incorporate environmental considerations into continuous process improvement as well as in new product development to provide green manufacturing services with minimum pollution and waste output.

On the CDP Climate Change Leadership List for 9 consecutive years

On the CDP Supplier Engagement Rating leader board for 6 consecutive years

Awarded CDP Water Security A List for 5 consecutive years

100% identification and assessment of climate & natural risks

100% implemention of carbon pricing

19% of total electricity consumption achieved through renewable energy or REC

28 green factory certifications

Identification of climate and natural risks affecting more than 90% of Tier 1 suppliers

Net-Zero emissions target by 2050

Investing in carbon sink methodology development and carbon rights application

100% identification and assessment of climate and natural risks

99.5% implementation of carbon pricing

60% implementation of water pricing

23% of total electricity consumption achieved through renewable energy or REC

1,422 carbon reduction solutions to reduce GHG emissions

Water Resource Management

2025 Performance

  • Water withdrawal intensity (water withdrawn/revenue)

    46% reduction compared to 2015

  • Water Discharge (water discharge /revenue)

    56% reduction compared to 2015

  • Pure Water Discharge (pure water discharge /revenue)

    20% reduction compared to 2015

  • Days of production shutdown caused by phase 3 water rationing in Taiwan (water supply reduced by 30%)

    0 days

Energy Management

2025 Performance

  • Energy saving rate achieved through energy saving and carbon reduction projects

    Equivalent to 4.7% of the electricity demand in 2024

  • Renewable energy ratio

    Renewable energy consumption accounting for 23% of total electricity consumption

Waste and Recycling

2025 Performance

  • Noh-hazardous Waste Recycling Rate

    98%

  • Hazardous Waste Recycling Rate

    84%

  • Hazardous-Waste intensity (hazardous waste out/ revenue)

    52% reduction compared to 2015

Climate Change

2025 Performance

  • GHG Intensity (Scope 1+2 emission/ revenue)

    43.1% reduction compared to 2015

  • Absolute GHGs reduction (Scope 3)

    50% reduction compared to 2020

Life On Land

2025 Performance

  • Scope of coverage across our manufacturing facilities for the identification and evaluation of biodiversity risks:

    100%

Environmental Management System

Environmental-friendly manufacturing service

The policy regulates ASEH's management of environmental aspects with business partners and stakeholders, including suppliers, contractors, customers, joint venture partners, and the community. It is also used as a guideline for due diligence in merger and acquisition transactions.

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Climate Leadership

Transitioning towards Low-Carbon Resilience

Managing water resources is a top priority at ASEH. We strive to improve and optimize water usage efficiently. With ISO 46001 Water Efficiency Management Systems, we identify risks, opportunities, and develop water-saving measures.

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Risk and Opportunity

Risk and Opportunity

ASE Technology Holding will conduct a survey on the risks and opportunities related to climate change and water through questionnaires distributed to key department heads.

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Water Resource Management

Water Risk Assessment

At ASEH, we prioritize managing our water resources. We aim to improve and optimize water usage by adopting ISO 46001 Water Efficiency Management Systems. This helps us identify risks, opportunities, and develop water-saving measures, risk mitigation strategies, and action plans.

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Waste Management

Waste Generation and Recycling

ASEH implements source reduction measures, uses eco-friendly materials, and promotes ISO14001 certification and environmental data collection. Facilities failing to meet targets must propose improvement plans.

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Biodiversity

Promote the well-being of human and safeguarding our planet

ASEH promotes biodiversity and responsible environmental activities. We are committed to meeting NNL and achieving NPI on biodiversity. We collaborate across our value chain to achieve the UN Convention on Biological Diversity’s vision of a harmonious world with nature.

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Environmental Management
Climate Leadership
Risk and Opportunity
Water Resource Management
Waste Management
Biodiversity

  • Certification Overview
  • Environmental Policy

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Transitioning towards Low-Carbon Resilience

ASEH has completed the validation of its 2030 near-term reduction targets with the Science Based Targets initiative (SBTi).

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Risk and Opportunity

ASE Technology Holding will conduct a survey on the risks and opportunities related to climate change and water through questionnaires distributed to key department heads.

Learn More

Water Risk Assessment

At ASEH, we prioritize managing our water resources. We aim to improve and optimize water usage by adopting ISO 46001 Water Efficiency Management Systems. This helps us identify risks, opportunities, and develop water-saving measures, risk mitigation strategies, and action plans.

Learn More

Waste Generation and Recycling

ASEH implements source reduction measures, uses eco-friendly materials, and promotes ISO14001 certification and environmental data collection. Facilities failing to meet targets must propose improvement plans.

Learn More

Promote the well-being of human and safeguarding our planet

ASEH promotes biodiversity and responsible environmental activities. We are committed to meeting NNL and achieving NPI on biodiversity. We collaborate across our value chain to achieve the UN Convention on Biological Diversity’s vision of a harmonious world with nature.

Learn More

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