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LANZHOU - China has completed building the first-stage of Jiuquan wind power base, the country's largest wind power project, in Northwest China, local officials said at the ceremony to mark the completion Wednesday.

More than 3,500 turbines have been erected with an installed capacity of 5.16 GW, and at present the turbines are generating 1.15 GW of power, said Wang Jianxin, director of Jiuquan Development and Reform Commission.

Jiuquan wind power base is located in the desert area near Jiuquan city, northwest China's Gansu province, which has abundant wind resources.