The Definitive Guide toAI Data Centers
Ask the GuideAboutAccount
Guide › Numbers register › Claim

global data center electricity demand 2025 → 2030 (~doubling; ~3% of global electricity)

~485 → ~950 TWhforecast

Value kindforecast — Forecasts are time-bound outlooks, not specifications; test decisions across plausible scenarios.
ScopeThe 2025 figure is an IEA estimate; the 2030 figure is an IEA projection. Same metric boundary as the 950 TWh claim used in 16.1 — do not restate them as different series.
As of2026-04
SourceIEA, Key Questions on Energy and AI (Apr 2026)
Reviewchecking…review by 2026-08-10 · standard cadence
Recorded changeslast 2026-07-21 · 3 revisions tracked
Claim idglobal-data-center-electricity-demand-2025-and

Where the guide uses it

← Full numbers register — every date-stamped figure in the guide, with revision history.