In 2025, 1&1 disclosed key data related to its energy management practices, providing transparency into its operational energy use in line with recognized sustainability reporting frameworks.
1&1 disclosed progress toward renewable energy adoption, highlighting the share of total energy sourced from renewable versus non-renewable sources.
| Metric (GJ) | 2025 |
|---|---|
Total Energy Consumption | 87,440a |
Non-Renewable Energy Consumption | 32,895a |
Renewable Energy Consumption | 54,545a |
Renewable Energy Production | 0a |
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In 2025, 1&1 consumed a total of 87,440.04 Gigajoules of energy across its operations. Of this total, 62.38% 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 37.62% 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, 1&1 consumed a total of 87,440.04 Gigajoules of energy, of which 62.38% was derived from renewable sources, including biofuels, biomass, biogas, solar, and wind power.a
This moderate level of renewable energy adoption indicates that 1&1 is transitioning toward cleaner energy sources, though a significant share of its energy mix still relies on non-renewable inputs.