In 2024, Eisai disclosed key data related to its energy management practices, providing transparency into its operational energy use in line with recognized sustainability reporting frameworks.
Eisai disclosed progress toward renewable energy adoption, highlighting the share of total energy sourced from renewable versus non-renewable sources.
| Metric (GJ) | 2024 | 2023 | 2022 | 2021 - 2017 |
|---|---|---|---|---|
Total Energy Consumption | 1,580,825a | 1,559,113a | 1,560,481a | |
Non-Renewable Energy Consumption | 946,220a | 932,497a | 950,713a | |
Renewable Energy Consumption | 634,604a | 626,616a | 609,768a |
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In 2024, Eisai consumed a total of 1.58 million Gigajoules of energy across its operations. Of this total, 40.14% 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 59.86% 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 2024, Eisai consumed a total of 1.58 million Gigajoules of energy, of which 40.14% was derived from renewable sources, including biofuels, biomass, biogas, solar, and wind power.a
This moderate level of renewable energy adoption indicates that Eisai is transitioning toward cleaner energy sources, though a significant share of its energy mix still relies on non-renewable inputs.
Since 2020, Eisai's total energy consumption increased by 12.59%, including a 1.39% increase in 2024, reflecting a sustained rise in overall energy demand.a
Over the same period, the share of renewable energy increased by 73.4%, while holding steady in 2024, indicating past gains that have recently stabilized.a
Overall, Eisai’s energy trends reveal a complex picture, with variations in total consumption and renewable sourcing. A closer examination of operational drivers and sourcing strategies is needed to fully assess the company’s environmental impact.