In 2025, Hannover Rueck disclosed key data related to its energy management practices, providing transparency into its operational energy use in line with recognized sustainability reporting frameworks.
Hannover Rueck disclosed progress toward renewable energy adoption, highlighting the share of total energy sourced from renewable versus non-renewable sources.
| Metric (GJ) | 2025 | 2024 |
|---|---|---|
Total Energy Consumption | 410,114a | 379,366a |
Non-Renewable Energy Consumption | 226,095a | 142,082a |
Renewable Energy Consumption | 184,019a | 237,284a |
Renewable Energy Production | 940a | 230a |
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In 2025, Hannover Rueck consumed a total of 410,113.8 Gigajoules of energy across its operations. Of this total, 44.87% 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 55.13% 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, Hannover Rueck consumed a total of 410,113.8 Gigajoules of energy, of which 44.87% was derived from renewable sources, including biofuels, biomass, biogas, solar, and wind power.a
This moderate level of renewable energy adoption indicates that Hannover Rueck is transitioning toward cleaner energy sources, though a significant share of its energy mix still relies on non-renewable inputs.
Since 2025, Hannover Rueck's total energy consumption increased by 8.1%, reflecting a recent rise in overall energy demand.a
Over the same period, the share of renewable energy in Hannover Rueck's consumption decreased by 28.26%, showing a recent negative trend in clean energy adoption.a