Megawattlas

Guides

Long reads on how data centers work, how much power and water they use, how big they get and where they are being built. Each one is written from public documents and from the atlas's own records, and every number drawn from the catalogue is recomputed when the data changes.

Sheet 06 · Guides

Guides
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2026-10-17
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  1. Power and water2026-10-17 · 20 min

    How Much Water Does a Data Center Use, and Why?

    Why data centers need water, how many litres a 100 MW site uses a day, site versus indirect use, WUE explained, and where water now decides permits.

New guides appear here three times a week. Follow them with the RSS feed; how the atlas is compiled is on the methodology page, and every document a guide relies on is listed on the Sources page.