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Gigawatt-scale data centers can likely be built in 2 years or less

a16z NewsNovember 2025
Gigawatt-scale data centers can likely be built in 2 years or less
Chart by a16z News. Source: a16z.news

A timeline chart illustrating the estimated construction and operational timelines for gigawatt-scale data centers, showing times ranging from 1 year for xAI Colossus 2 to 8.7 years for Meta Prometheus.

LabelValue shown on the chart
Anthropic-Amazon New Carlisle1.9 years to reach 1 GW
xAI Colossus 21 year
Microsoft Fayetteville3 years
Meta Prometheus8.7 years
OpenAI Stargate Abilene2.1 years
Microsoft Fairwater3.6 years
Amazon Ridgeland3.6 years

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