Global data centre electricity consumption, IEA April 2026 vintage vs Electricity demand growth
In 2025, global data centre electricity consumption, IEA April 2026 vintage was 485 TWh; electricity demand growth was 3%.
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Global data centre electricity consumption, IEA April 2026 vintage
Unit: TWh · 2 observations
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Forecast: dashed line, hollow markers, shaded band
Estimates are listed as such in the table below
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Electricity demand growth
Unit: % · 8 observations
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Provenance
Where these numbers come from
Annual electricity consumed by all data centres globally, not AI-only facilities; April 2026 historical estimate or central projection.
2 observations charted in Global
· source organisations: IEA
Year-on-year percentage change in total electricity demand.
8 observations charted in Global
· source organisations: IEA
Data published under CC BY 4.0.
Series A as JSON · Series B as JSON