In 2025, IONOS Group disclosed key data related to its energy management practices, providing transparency into its operational energy use in line with recognized sustainability reporting frameworks.
IONOS Group 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 | 432,125a | 444,568a | 465,753a | |
Non-Renewable Energy Consumption | 14,146a | 17,439a | 21,749a | |
Renewable Energy Consumption | 417,978a | 427,130a | 444,004a | |
Renewable Energy Production | 10,148a | 7,708a | 4,212a |
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In 2025, IONOS Group consumed a total of 432,124.79 Gigajoules of energy across its operations. Of this total, 96.73% 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 3.27% 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, IONOS Group consumed a total of 432,124.79 Gigajoules of energy, of which 96.73% was derived from renewable sources, including biofuels, biomass, biogas, solar, and wind power.a
This high level of renewable energy use suggests that IONOS Group has taken strong steps toward decarbonizing its energy supply and reducing its dependence on fossil fuels.
Since 2020, IONOS Group's total energy consumption increased by 4.33%, but declined by 2.8% in 2025, suggesting a recent moderation in energy use.a
Over the same period, the share of renewable energy decreased by 2.3%, and then stabilized in 2025, indicating a halt in further decline without signs of active improvement.a
Overall, IONOS Group’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.