In 2025, United Microelectronics disclosed key data related to its energy management practices, providing transparency into its operational energy use in line with recognized sustainability reporting frameworks.
United Microelectronics disclosed progress toward renewable energy adoption, highlighting the share of total energy sourced from renewable versus non-renewable sources.
| Metric (GJ) | 2025 | 2024 | 2023 | 2022 - 2017 |
|---|---|---|---|---|
Total Energy Consumption | 15,789,935a | 14,866,945a | N/A | |
Non-Renewable Energy Consumption | 12,046,313a | 12,472,031a | N/A | |
Renewable Energy Consumption | 3,743,622a | 2,394,914a | N/A |
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In 2025, United Microelectronics consumed a total of 15.79 million Gigajoules of energy across its operations. Of this total, 23.71% was sourced from renewable energy, either derived from natural resources like biofuels, biomass, or biogas, or generated using renewable technologies such as solar or wind power. The remaining 76.29% was classified as non-renewable energy, coming from fossil-based fuels such as coal, natural gas, or crude oil, or from non-renewable generation technologies like nuclear power.a
In 2025, United Microelectronics consumed a total of 15.79 million Gigajoules of energy, of which 23.71% was derived from renewable sources, including biofuels, biomass, biogas, solar, and wind power.a
This low level of renewable energy use highlights a heavy reliance on fossil fuels or other non-renewable sources, suggesting that United Microelectronics has considerable room to improve its energy sustainability strategy.
Since 2025, United Microelectronics's total energy consumption increased by 6.21%, reflecting a recent rise in overall energy demand.a
Over the same period, the share of renewable energy in United Microelectronics's consumption increased by 47.18%, showing a recent positive trend in clean energy adoption.a