CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins95% CONFIDENCEOverall confidence: 95%How well the pin's source and references back up its dates.Weighted average of how firmly 3 references support 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
The date is the cited report or decision milestone, not a verified construction completion or opening day.China announced construction of the lower Yarlung Zangbo hydropower programme on July 19, 2025. The official report describes five cascade stations and an estimated CNY 1.2 trillion total investment.
≈$166.7B
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