Checked fact 112311 Oct 2026Money and compute

The notes to the IEA's chart of data centre electricity consumption in household equivalents say the largest under-construction data centre capacity considered is around 2 000 MW and the largest planned data centre capacity considered is 5 000 MW.

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The exact words it rests on

The conventional data centre capacity considered is 25 MW. The hyperscale data centre capacity considered is 100 MW. The largest under-construction data centre capacity considered is around 2 000 MW. The largest planned data centre capacity considered is 5 000 MW.

What the source said when we opened it, on 11 Oct 2026.

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Understanding the energy-AI nexus - Energy and AI
International Energy Agency · 2025-04-10

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Checked by the notis newsroom on 11 Oct 2026, against the source above.

In the story

How a gigawatt of power relates to the size of AI data centres 11 Oct 2026

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“The notes to the IEA's chart of data centre electricity consumption in household equivalents say the largest under-construction data centre capacity considered is around 2 000 MW and the largest planned data centre capacity considered is 5 000 MW.” ai notis, checked 11 Oct 2026. Source: Understanding the energy-AI nexus - Energy and AI (International Energy Agency). https://ainotis.com/c/1123

As a reference (APA style)

ai notis. (2026, October 11). The notes to the IEA's chart of data centre electricity consumption in household equivalents say the largest under-construction data centre capacity considered is around 2 000 MW and the largest planned data centre capacity considered is 5 000 MW [Checked claim 1123]. ai notis. https://ainotis.com/c/1123

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