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.
485TWh
2025
+16.9 %vs 2024
min 415 2024max 485 2025
TWh
Range
Source: IEA — Key Questions on Energy and AI (2026)· Data 2025Source type : Official
World, IEA estimates (realized years) · IEA projections (2030…) are not shown · Upd. 04/2026 · Y-axis truncated
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.
