CONFIRMEDDate confidence: CONFIRMEDStated as firmHow firmly the source words the date: confirmed, scheduled, estimated, delayed or unverified.Show all CONFIRMED pins72% CONFIDENCEOverall confidence: 72%How well the pin's source and references back up its dates.Weighted average of how firmly 3 references, the source included, support the pin's start and end times; a reference counts half as much for every 180 days older than the newestShow all pins from 50% to 74% confidenceThe documentary's own dated footage places the SL5000's installation on the evening of September 6, 2011 beside the Donghai Bridge, and power-technology.com[2]'s independent project profile of the Shanghai Dong Hai Bridge wind farm separately confirms a single Sinovel SL5000 5MW turbine as the farm's Phase IIB.
Sinovel completed installation of the SL5000, China's first independently developed 5-megawatt offshore wind turbine, as a single demonstration unit at the Donghai Bridge wind farm near Shanghai. Two of China's largest crane vessels assembled the 150-meter-tall machine through the region's typhoon season.