The Chinese manufacturer will supply the modules for the demonstration project in Zhangbei county, Hebei province.
Yingli, based in the city of Baoding, did not reveal the terms of the deal, but said it would complete delivery of the modules in the fourth quarter.
The 28MW site is the largest of three planned installations, totalling 60MW, for the second phase of the National Wind/PV/Energy Storage and Transmission Joint Demonstration Project.
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