Definition — Worldwide electricity consumption of data centres, in terawatt-hours per year. IEA estimates for realized years, from the report 'Key Questions on Energy and AI' (April 2026); the IEA's projections (e.g. 2030) are not shown as values.
Data centre electricity consumption (World): 485 TWh in 2025, the latest available value.
2 observations from 2024 to 2025. Source: IEA.
Worldwide electricity consumption of data centres, in terawatt-hours per year. IEA estimates for realized years, from the report 'Key Questions on Energy and AI' (April 2026); the IEA's projections (e.g. 2030) are not shown as values.
| Period | Value |
|---|---|
| 2025 | 485 TWh |
| 2024 | 415 TWh |