Energy Management

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If you have any questions, comments or suggestions regarding ESG, please contact us.
Email: ESG@wistron.com

Energy Management

Energy Management


Energy management
 

  • Comprehensive Implementation of ISO 50001 Energy Management System:
Through effective implementation of the management system, Wistron conducts annual reviews of energy types and consumption within the defined management boundary. Combined with a real-time energy management dashboard, Wistron can precisely identify key points of high energy consumption and further analyze and evaluate potential opportunities for energy-saving.
  • Energy Review:
Energy-saving projects are developed based on Significant Energy Uses, and energy baselines are adjusted accordingly. Regular project meetings are held to review the progress and effectiveness of energy-saving initiatives. In addition, in the event of significant changes to facilities, equipment systems, or manufacturing processes, energy baselines and management targets are updated accordingly to ensure the relevance and effectiveness of the energy management strategy.
  • Cross-Site Experience Sharing:
Through cross‑site experience sharing, Wistron continues to optimize and enhance energy efficiency.



 


Energy Management Training


Wistron is committed to ESG actions. For energy management, we've adopted a two-pronged approach of promoting energy conservation projects and advocating for energy conservation. By implementing energy management measures and encouraging employees to take part in energy conservation activities, we form a company-wide consensus to contribute to environmental protection. 



Energy Usage

  • Total non-renewable energy consumption: 179,859.75 MWh in 2022; 151,773.28 MWh in 2023; 128,201.10 MWh in 2024; 117,833.72 MWh in 2025
  • Total renewable energy consumption: 261,154.18 MWh in 2022; 252,373.69 MWh in 2023; 299,411.85 MWh in 2024; 388,022.93 MWh in 2025

Energy Performance Indicators

Type Unit 2022 2023 2024 2025
Electricity consumption per unit revenue MWh/NT$ 1B 587.06 574.31 581.68 392.05
Percentage of renewable energy in electricity consumption % 65.26 66.47 74.74 80.09
  • Note 1: 2025 performance indicators are based on energy use/Wistron Group revenue from Wistron and subsidiaries listed in consolidated financial statements (excl. Wiwynn and its subsidiaries)
  • Note 2: Percentage of renewable energy in electricity consumption : (Self-generation and self-consumption of renewable energy + Purchased renewable energy ) / Total electricity consumption
  • Note 3: Energy consumption outside of the organization (Scope 3): 66,559.35(GJ)



Emissions Abatement and Results


With increasing energy efficiency, low-carbon processes and innovative energy conservation, energy transitions, and internal carbon pricing, Wistron is promoting GHG reduction efforts. For the roll out of energy management and energy conservation projects, Wistron has invested people, resources, and financial resources as well as assembled Energy Project Teams in all plants; the teams are composed of units responsible for plant engineering affairs or related matters. They convene regular energy management meetings and review the plant’s energy and project progress. The plants also share information on the effectiveness and their experiences in each project with each other.
  • Increase Energy Efficiency
Wistron's energy-saving project is divided into six categories, including air conditioning systems, compressed air systems, green lighting, management, production, and others. As of the end of 2025, Wistron saved a total of 12,511.05 MWh of electricity, which reduced carbon emissions by 6,608.13 tCO2e. Our carbon reduction was equivalent to the annual CO2 absorption volume of 17 Daan Forest Parks, which can absorb 389 tons of carbon annually.
  • Low-Carbon Manufacturing and Energy Saving Innovations
Wistron is proactively driving real carbon reduction in addition to increasing renewable energy use. We are also investing in low-carbon manufacturing processes and smart energy conservation technologies to improve energy efficiency and achieve our energy conservation goals. All sites carry out energy-saving projects to practice low-carbon production. We hope the projects can help us introduce smart energy management systems and strengthen management and data base. Diversified solutions have also been drawn up to realize low-carbon manufacturing and energy-saving innovations.
Under long-term efforts to roll out energy-saving actions, Wistron’s plants have achieved remarkable carbon reduction across the six energy-saving dimensions mentioned above. Air-conditioning and air compressor power consume the most energy in Wistron manufacturing sites. As such, carbon reduction efforts seek to target these two energy consumption hotspots through taking stock of hardware equipment and diagnosing energy use. The goal of effective management is achieved through the introduction of smart energy conservation technology, combined with AI and IoT control technology in addition to replacing old energy-intensive equipment. In 2025, we saved 12,511.05 MWh of electricity. Wistron will continue to commit to low-carbon innovative manufacturing with the help of smart solutions. We are combining digital platforms and virtual factories to realize the vision of sustainable management through energy management, intelligent repair and maintenance systems, and cold water systems.
  • Energy Transition
Extreme weather has become the new norm. Major international companies have joined the 100% renewable energy, RE100, initiative to support the use of renewable energy to reduce carbon emissions and slow down global warming. In response to the global trend of renewable energy, Wistron is actively promoting energy transformation. The renewable energy strategy prioritizes the establishment of self-consumption solar power generation, actively expanding solar power generation capacity at global operational sites, and making diversified use of idle spaces. The company also maintains deep partnerships with local renewable energy providers and has signed renewable energy purchase agreements and procured renewable energy certificates. In 2025, Wistron actively deployed renewable energy, with an actual self-consumption power generation of 21,976.22MWh. The company also had a total of 104,797.72MWh of renewable energy purchased through agreements and procured 261,249MWh of renewable energy certificates. The renewable energy accounted for 80% of the total electricity in 2025, actively increasing the usage rate of renewable energy in global factories, service locations, and offices while reducing GHG emissions. The company aims to integrate the concept of green manufacturing into its business operations.
  • Internal Carbon Pricing
Starting in 2025, Wistron expanded the scope of its internal carbon pricing assessments to encompass all global manufacturing and service sites, while simultaneously developing a digital management platform to systematically track progress toward carbon reduction targets and automate carbon fee calculations. The platform provides business group leaders with real-time visibility into the carbon reduction performance of their respective sites and the associated potential cost impacts. The Company plans to formally introduce an internal carbon fee mechanism in 2026 as part of the full implementation of its internal carbon pricing framework and to support its long-term net-zero transition.
Referencing the target carbon price range recommended by the World Bank and international carbon tax trends, the internal carbon price is set at US$100/tCO₂e. The carbon fees collected will be managed through a dedicated Climate Fund and operated on a ring-fenced basis. The fund will support two programs across business unit sites: Carbon Reduction Incentives and Carbon Reduction Investment Subsidies. 


2025 Achievements in Energy Conservation

Target Area Main Project(s) Annual Energy Savings (MWh) Annual Energy Savings (GJ) Carbon reduction (tCO2e)
Air conditioning (A.C.) system A.C. system upgrades for energy efficiency
A.C. energy conservation management
3,251.50 12,677.40 2,042.42
Air compression system

Air compression system upgrades for energy efficiency 

Air compression system settings management 

2,104.46 7,576.05 1,079.41
Manufacturing Process optimization testing  1,139.15 4,100.93 520.27
Management Idle optimization and integration 5,098.75 18,355.50 2,599.82
Green lighting Intelligent lighting system
(more energy-saving LED lamps)
345.03 1,242.12 195.39
Others Reduction of inefficient power consumption 302.17 1,087.79 170.82
Renewable Energy Renewable energy use 388,022.93 1,396,882.56 221,522.25
Total 400,533.98 1,441,922.34 228,130.38



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