GHG Inventory

Climate change action has become a significant global focus. Ardentec, in accordance with ISO 14064-1:2018 and the Greenhouse Gas Protocol, conducts greenhouse gas inventories at all operational sites and plants within the Group. The data from these inventories are used to assess the environmental impact and effects of operational activities and to formulate greenhouse gas reduction strategies. According to the inventory results, the primary source of emissions is the indirect carbon emissions (Category 2) derived from the purchased electricity used for the operation of 24-hour testing machines. Direct emissions (Category 1) are caused by refrigerant leakage of HFCs from air conditioning systems, a small amount of PFCs (CF4) from test machines, and CO2, CH4, and N2O emissions from gasoline and diesel vehicles. Ardentec does not use ozone-depleting substances in its processes.

Greenhouse Gas Reduction

Ardentec's Scope 1 greenhouse gas emissions primarily consist of fixed-source CO2 and HFCs refrigerant filling mixtures, accounting for approximately 4% of the total emissions from Scopes 1 and 2. In 2025, the headquarters and subsidiaries reduced 17,350 metric tons of CO2 equivalent through the use of renewable energy and the procurement of renewable energy certificates, along with the purchase of 12,700 tons of carbon credits. This resulted in a 13.7% reduction in emissions from Scope 1 and Scope 2 compared to 2020.
Ardentec's reduction targets for total greenhouse gas emissions in Scope 1 and Scope 2 are a 63% reduction by 2035 and achieving Net Zero emissions by 2050. The primary reduction pathway is to reduce Category 2 emissions by using renewable energy. If, due to market factors, renewable energy cannot be successfully acquired in the future, the purchase of renewable energy certificates will be used as an alternative.

 

 

 

 

Energy Use

Amid the global trend toward low-carbon energy development, governments and corporations worldwide are increasingly investing in carbon reduction and renewable energy transitions.According to the International Energy Agency (IEA), although oil demand continues to grow, the global energy market is accelerating its shift toward low-carbon energy sources. In response to this trend, Ardentec is actively participating in the global low-carbon energy transition by implementing a series of energy management and carbon-reduction measures.
In the 2025 energy consumption structure, electricity accounted for 99.7% of the total energy consumption. Non-renewable electricity consumption totaled 687,555 GJ, followed by renewable electricity consumption at 132,286 GJ, and gasoline consumption at 1,175 GJ, contributing to a total energy consumption of 822,344 GJ.
As part of its concrete actions, Ardentec has continued to expand its of renewable energy deployment. Since 2021, the Company has been procuring renewable energy certificates. With the expansion of solar power generation facilities and increased renewable energy procurement, the share of renewable energy is expected to rise further in the coming years. In 2025, the use of renewable energy and the procurement of certificates will total 36.74 million kWh, accounting for 16.1% of the total electricity consumption, achieving the target of 10%. Through these proactive measures, Ardentec not only aligns with the global low-carbon energy transition trend but also demonstrates its commitment to sustainable operations and environmental protection, contributing to global carbon reduction and energy transition efforts.

 

  • Energy Use and Energy Intensity

  • Electricity Usage and Proportion of Renewable Energy

  • Establishment of Solar Power Generation Facilities

    The headquarters and subsidiaries have set plans to establish solar power generation facilities at their respective plants. Since 2021, the headquarters and subsidiaries have gradually completed solar power generation facilities totaling 2,000 kW. In 2025, the total power generation of the headquarters and subsidiaries amounted to 1.9 million kWh, with approximately 12% sold to the national grid of the respective locations, totaling 789 Gigajoules (GJ), and 89% used for self-consumption.


Carbon Footprint Management

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