In 2025, Tieto disclosed key data related to its energy management practices, providing transparency into its operational energy use in line with recognized sustainability reporting frameworks.
Tieto 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 | 86,231a | 97,402a |
Non-Renewable Energy Consumption | 13,849a | 18,000a |
Renewable Energy Consumption | 72,382a | 79,402a |
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In 2025, Tieto consumed a total of 86,230.8 Gigajoules of energy across its operations. Of this total, 83.94% 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 16.06% 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, Tieto consumed a total of 86,230.8 Gigajoules of energy, of which 83.94% was derived from renewable sources, including biofuels, biomass, biogas, solar, and wind power.a
This high level of renewable energy use suggests that Tieto has taken strong steps toward decarbonizing its energy supply and reducing its dependence on fossil fuels.
Since 2025, Tieto's total energy consumption decreased by 11.47%, suggesting a recent decline in overall energy demand.a
Over the same period, the share of renewable energy in Tieto's consumption increased by 2.97%, showing a recent positive trend in clean energy adoption.a