In 2025, Deutsche Telekom disclosed key data related to its energy management practices, providing transparency into its operational energy use in line with recognized sustainability reporting frameworks.
Deutsche Telekom 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 - 2017 |
|---|---|---|---|---|
Total Energy Consumption | 43,045,164a | 43,166,639a | 44,068,612b | |
Non-Renewable Energy Consumption | 2,926,483a | 3,134,603a | N/A | |
Renewable Energy Consumption | 40,118,681a | 40,032,040a | N/A | |
Renewable Energy Production | 50,058a | 28,148a | N/A |
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In 2025, Deutsche Telekom consumed a total of 43.05 million Gigajoules of energy across its operations. Of this total, 93.2% 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 6.8% 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, Deutsche Telekom consumed a total of 43.05 million Gigajoules of energy, of which 93.2% was derived from renewable sources, including biofuels, biomass, biogas, solar, and wind power.a
This high level of renewable energy use suggests that Deutsche Telekom has taken strong steps toward decarbonizing its energy supply and reducing its dependence on fossil fuels.
Since 2023, Deutsche Telekom's total energy consumption decreased by 2.32%, and remained stable in 2025, suggesting earlier reductions may have leveled off.ab
Over the same period, the share of renewable energy in Deutsche Telekom's consumption decreased by 0.5%, showing a recent negative trend in clean energy adoption.Over the same period, the share of renewable energy in Deutsche Telekom's mix has remained relatively stable, indicating no significant changes in sourcing practices.ab