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Energy Resources Management

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Energy Management

Most operating locations of ASEH subsidiaries receive their energy from public electric grids while a few locations use self-generated power using natural gas, petroleum or diesel. We have already implemented the ISO 50001 international standard at 15 facilities (i.e. 59% of all facilities) to better manage energy use and improve energy efficiency.

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Fossil (Non-renewable) Fuels

Petroleum gas, natural gas, gasoline, diesel, and fuel oil are the main fossil fuels used at ASEH, accounting for a total consumption of 453,449 GJ in 2020. Among them, liquified natural gas—used in kitchens, furnaces, and preventive equipment, accounted for the highest proportion of 71% followed by diesel—used in stackers and emergency power generators. In recent years, dependency on fossil fuels has been reduced through the gradual introducing of electric stackers and the use of substitute fuels and clean energies.

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Electricity and the Use of Renewable Energy

ASEH aims to strengthen its climate resilience by increasing the use of low-carbon energy and developing a diversified power supply portfolio. In 2020, the company’s total energy consumption was 3,900,915 MWh. Although consumption increased by 8.69% in comparison with 2019 due to the increase in scopes at our subsidiaries as well as a 20% expansion in production capacity, energy use intensity per unit of revenue only decreased by 12% owing to efficiency improvements. Additionally, 11 global facilities are using 100% renewable energy or certificates for a total of 706,105 MWh—18% of total consumption and an increase of 38% compared to 2019. ASEH aims to strengthen its climate resilience by increasing the use of low-carbon energy and developing a diversified power supply portfolio. In 2020, the company’s total energy consumption was 3,900,915 MWh. Although consumption increased by 8.69% in comparison with 2019 due to the increase in scopes at our subsidiaries as well as a 20% expansion in production capacity, energy use intensity per unit of revenue only decreased by 12% owing to efficiency improvements. Additionally, 11 global facilities are using 100% renewable energy or certificates for a total of 706,105 MWh—18% of total consumption and an increase of 38% compared to 2019.

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Innovative Energy Saving Plans

The 3 pillars of our carbon reduction strategy are low-carbon energy, process energy saving, and green buildings and facilities. 300 projects were carried out in 2020, effectively reducing585,743tCO2e in carbon emissions; equivalent to reducing the annual electricity consumption of about 220,000 households。In addition to using energy management systems to increase energy use efficiency, we also encourage and motivate facilities to strive towards efficiency improvements through technology sharing and competitions. Integrated the continuous development of low-carbon green buildings (for details, please see the “Low-carbon and green buildings” chapter) to manage and cut down on operational carbon emissions.

Category Annual energy saving (MWh) Annual energy saving (GJ) Annual carbon reduction (tCO2e)
Process energy saving 24,688 6,858 12,859
Building and facilities 56,302 15,639 29,537
Low-carbon energy (certificates included) purchases 543,348
Total 80,990 22,497 585,744