ESTIMATEDDate confidence: ESTIMATEDA target, not a fixed dateHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all ESTIMATED pins88% CONFIDENCEOverall confidence: 88%How well the pin's source and references back up its dates.Weighted average of how firmly 1 reference, the source included, supports the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins at 75% confidence or better
Dated to Epoch[1] AI satellite imagery and capacity timeline milestone (2026-10-18).Alibaba Zhangbei in Zhangbei, Hebei, China is a frontier AI data center campus operated by Alibaba reaching 169 MW of power capacity and 31,885 H100-equivalent AI accelerators. Alibaba Zhangbei is part of China’s "Eastern Data Western Compute" (东数西算) project, launched in 2021, which favors Zhangbei county for its abundant wind and solar power.
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