Global electricity use: data centers versus all other uses

Global electricity use: data centers versus all other uses

Stacked Bar chart. Source: IEA (2026), Key Questions on Energy and AI, Executive Summary; global data centers represented approximately 1.5% of global electricity in 2025 and are projected to represent approximately 3% in 2030. The remainder is the complement to 100%.. Data table with 3 rows and 3 columns follows.

Global electricity use: data centers versus all other uses
20252030 (projected)
Data centers (%)1.53
All other global electricity use (%)98.597

Source: IEA (2026), Key Questions on Energy and AI, Executive Summary; global data centers represented approximately 1.5% of global electricity in 2025 and are projected to represent approximately 3% in 2030. The remainder is the complement to 100%.