29.6 GW
▲ 2.2× since Q4 2024
global AI data centre power capacity, Q4 2025
Q1 2022Q4 2025

What the chart shows

Global AI data centre power capacity reached about 29.6 gigawatts by the fourth quarter of 2025, 2.2 times the 13.5 GW of a year earlier and close to New York state’s peak electricity demand of about 31 GW.

The chips themselves account for about 11.8 GW. The other 17.7 GW covers cooling, networking and the rest of the data centre.

Key numbers

MeasureValue
Total, Q4 202529.6 GW
Total, Q4 202413.5 GW
AI chip power, Q4 202511.8 GW
Cooling, networking and other, Q4 202517.7 GW

How to read it

  • Estimated from the rated power (thermal design power) of leading AI chips sold, multiplied by about 2.5 to cover the rest of the data centre.
  • Reference lines are the AI Index’s own comparisons.
Source: Epoch AI, 2026, via the AI Index Report 2026 (Stanford HAI), figure 1.2.4: Global AI data center power capacity, 2022–25. Chart and text by AI Adoption.
Numbers checked against the published data on 19 October 2026.
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