In 2025, Nankai disclosed key data related to its energy management practices, providing transparency into its operational energy use in line with recognized sustainability reporting frameworks.
Nankai disclosed progress toward renewable energy adoption, highlighting the share of total energy sourced from renewable versus non-renewable sources.
| Metric (GJ) | 2025 | 2024 | 2023 | 2022-2019 |
|---|---|---|---|---|
Total Energy Consumption | 843,574a | 861,847a | 851,771a | |
Non-Renewable Energy Consumption | 821,641a | 839,439a | 850,919a | |
Renewable Energy Consumption | 21,933a | 22,408a | 852a |
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In 2025, Nankai consumed a total of 843,573.6 Gigajoules of energy across its operations. Of this total, 2.6% 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 97.4% 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, Nankai consumed a total of 843,573.6 Gigajoules of energy, of which 2.6% 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 Nankai has considerable room to improve its energy sustainability strategy.
Since 2019, Nankai's total energy consumption decreased by 7.15%, including a further 2.12% drop in 2025, highlighting a continued decline in energy use.a
Over the same period, the share of renewable energy in Nankai's consumption decreased by 0%, showing a recent negative trend in clean energy adoption.Over the same period, the share of renewable energy in Nankai's mix has remained relatively stable, indicating no significant changes in sourcing practices.a