In 2025, Siemens AG disclosed key data related to its energy management practices, providing transparency into its operational energy use in line with recognized sustainability reporting frameworks.
Siemens AG also reported the energy it generates itself, offering insight into its level of energy independence.
Additionally, Siemens AG also 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 | 10,745,057a | 9,012,000b | 9,115,000b | |
Non-Renewable Energy Consumption | 5,117,137a | 4,265,000b | 4,456,000b | |
Renewable Energy Consumption | 5,627,916a | 4,747,000b | 4,659,000b | |
Total Energy Production | 152,582a | N/A | N/A | |
Non-Renewable Energy Production | 24,174a | N/A | N/A | |
Renewable Energy Production | 128,408a | N/A | N/A |
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In 2025, Siemens AG consumed a total of 10.75 million Gigajoules of energy across its operations. Of this total, 52.38% 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 47.62% 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, Siemens AG consumed a total of 10.75 million Gigajoules of energy, of which 52.38% was derived from renewable sources, including biofuels, biomass, biogas, solar, and wind power.a
This moderate level of renewable energy adoption indicates that Siemens AG is transitioning toward cleaner energy sources, though a significant share of its energy mix still relies on non-renewable inputs.
Since 2023, Siemens AG's total energy consumption increased by 17.88%, including a 19.23% increase in 2025, reflecting a sustained rise in overall energy demand.ab
Over the same period, the share of renewable energy increased by 2.47%, while holding steady in 2025, indicating past gains that have recently stabilized.ab
Overall, Siemens AG’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.