How Much Electricity Will AI Data Centers Use?

Matthew Berman highlights Eric Schmidt's congressional testimony and asks about AI's power demand. The dramatic 99% figure lacks a specified time frame and geographic scope in the quoted testimony.

ESEric SchmidtGuest
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Matthew Berman
Published
May 2, 2025
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0:36
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SUMMARY

In 30 seconds

Matthew Berman plays an excerpt of former Google CEO Eric Schmidt telling Congress that the industry's share of electricity generation could go from 3% to 99%. Berman interprets this as a potential global AI electricity share. Schmidt did not specify the geography, time frame or method for that figure in the excerpt; it is not a supported global forecast. The IEA's updated estimate for all data centers is roughly 3% of global electricity demand in 2030.

  1. 1A dramatic claimBerman interprets Schmidt's 99% statement as a possible share of global electricity consumed by AI. The quoted testimony does not specify a global scope or time horizon.
  2. 2More computation, more energySchmidt says the industry will need substantially more computing and energy, and cites a rise from 3% to 99% of generation.
  3. 3Putting the figure in contextThe IEA's updated projection puts all data centers at around 3% of global electricity demand in 2030; this includes workloads beyond AI.

Takeaways

  1. Schmidt warned Congress that expanding AI computation would require much more energy.
  2. The 99% claim in the excerpt has no specified geographic scope, time horizon or methodology, so it cannot establish a worldwide AI forecast.
  3. The IEA projects all data centers combined will account for around 3% of global electricity demand in 2030, not 99%.
  4. Electricity demand from data centers is broader than AI alone, and local grid impacts can differ from global averages.
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01

AI and electricity demand

Berman highlights Schmidt's warning and asks whether the industry could consume 99% of electricity. The excerpt does not provide a scope, time frame or basis for that figure.

I believe the AI revolution is underhyped. I point to former Google CEO Eric Schmidt's testimony to Congress and interpret his statement as suggesting that AI could eventually use 99% of the world's electricity. I think that might be plausible if current trends continue, but the quoted statement does not establish a global forecast or identify a time frame.

Schmidt says the industry will need far more computation and energy and mentions its demand going from 3% to 99% of total generation. He does not specify the geography, time horizon or methodology for that figure in the quoted testimony. For comparison, the IEA's updated projection puts all data centers, including non-AI workloads, at around 3% of global electricity demand in 2030. That does not eliminate concerns about fast growth or local grid constraints, but it does not support a 99% global estimate.

Are we headed there? I leave the question to the audience. The answer depends on future technology, infrastructure and energy supply, rather than a single unqualified extrapolation.

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