How much energy do data centers and artificial intelligence use?

ourworldindata.org
July 23, 2026
11 min read
47/100
Summary
Data centers account for approximately 1.5% of global electricity consumption, with demand concentrated in specific regions. The rapid adoption of artificial intelligence raises concerns about its increasing energy demand and potential environmental impacts.
Key Takeaways
- Data centers consume approximately 1.5% of global electricity, with AI-focused data centers accounting for about one-third of that consumption.
- AI is projected to consume around 0.5% of the world's electricity by 2025, with expectations that this demand will grow significantly by 2030.
- The electricity demand from AI could strain local energy supplies and increase prices, impacting communities.
- AI's energy consumption may become a limiting factor for its expansion, as it could drive increases in carbon emissions and complicate decarbonization efforts.
Coverage & discussions
Hacker News · ourworldindata.org
Community discussions
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Community Sentiment
Positives
- Surprisingly, AI data centers consume less electricity than others — this could shift the narrative about AI's environmental impact.
- The focus on AI's energy usage is drawing attention to broader data center consumption, making people rethink their assumptions about resource allocation.
Concerns
- The energy consumption of AI models is alarming; longer queries can drain significantly more power, raising concerns about sustainability as AI becomes more complex.
- AI hardware is far more power-hungry compared to traditional processors, which makes one question the overall efficiency and environmental impact of current AI technologies.
- The debate over data center energy use feels polarized, leading to oversimplified views on a complex issue, which is frustrating for those seeking nuanced discussions.
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