EstimateAll sizesUSA
4.4%
of all US electricity was used by data centers in 2023 (176 TWh); Berkeley Lab projects 6.7% to 12% by 2028
EstimateUpdated 23 Oct 2026
485 TWhof electricity used by data centers worldwide in 2025, up 17%; the IEA expects about 950 TWh by 2030
485 TWh of electricity used by data centers worldwide in 2025, up 17%; the IEA expects about 950 TWh by 2030 (2025, International Energy Agency, Energy and AI reports)
+16.9% since the previous figure: 415 TWh (10 Apr 2025)
EstimateChecked at source, 23 Oct 2026All sizesGlobalAI · Energy
In plain words
What this number really says
485 TWh of electricity used by data centers worldwide in 2025, up 17%; the IEA expects about 950 TWh by 2030 (2025).
485 TWh
the latest figure (2025)
Estimate
type of source
Why you can trust it. International Energy Agency, Energy and AI reports: estimate, modelled or extrapolated, not counted.
Key facts
- Period 2025
- Region Global
- Company size All sizes
- Next data Yearly
Source: International Energy Agency, Energy and AI reports, 2025
Method and use
How it was measured, and how to use it
How it was measured
- Publisher
- International Energy Agency, Energy and AI reports
- Source type
- Estimate: Modelled or extrapolated, not counted
- What it measures
- 485 TWh of electricity used by data centers worldwide in 2025, up 17%; the IEA expects about 950 TWh by 2030
- Data period
- 2025 (ends 31 Dec 2025)
- Published by the source
- 16 Apr 2026
- In the source's words
Our updated projections see electricity consumption from data centres roughly doubling from 485 TWh in 2025 to 950 TWh in 2030, accounting for around 3% of global electricity demand by that date.
- Checked at source
- 23 Oct 2026: Read on iea.org ("Key Questions on Energy and AI", published 16 Apr 2026) on 2026-10-23. Same page: data centre demand "grew by 17% in 2025"; AI-focused data centres "surging 50%". The 2025 IEA report estimated 415 TWh for 2024 (iea.org, 10 Apr 2025).
- Reuse
- CC BY 4.0. Modelled estimates; cite the report and year.
- Next expected update
- Yearly (International Energy Agency, yearly)
- Original page
- www.iea.org: Energy and AI reports
- Data files
- CSV · JSON (stable links)
Full change log
- 10 Apr 2025New data415 TWh IEA Energy and AI (2025): about 415 TWh in 2024, about 1.5% of global electricity.
Cite this number
APA
International Energy Agency. (2026). 485 TWh of electricity used by data centers worldwide in 2025, up 17%; the IEA expects about 950 TWh by 2030. Via digitaltreed, https://digitaltreed.com/statistics/ai/data-center-electricity-global
MLA
"485 TWh of electricity used by data centers worldwide in 2025, up 17%; the IEA expects about 950 TWh by 2030." International Energy Agency, Energy and AI reports, 2025. digitaltreed, https://digitaltreed.com/statistics/ai/data-center-electricity-global.
HTML link
<a href="https://digitaltreed.com/statistics/ai/data-center-electricity-global">485 TWh of electricity used by data centers worldwide in 2025, up 17%; the IEA expects about 950 TWh by 2030</a> (International Energy Agency, 2025)
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FAQ
Questions about this number
What is the latest figure for energy (Global)?
485 TWh of electricity used by data centers worldwide in 2025, up 17%; the IEA expects about 950 TWh by 2030, for 2025, according to International Energy Agency, Energy and AI reports. We checked it at the source on 23 Oct 2026.
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