In the same period, the electricity generated and fed into the grid by the country's wind installations totalled 76.7 GWh, up 8.8% on 2013.
Wind curtailment in the first six months amounted to 7.2 GWh, down 35.8% on 2013.
However, the operational time dropped from 113 hours to 979 hours on average. The national average wind curtailment rate in the period was 8.5%, down 5.14% on that of 2013.
The provincial areas that recorded the largest new grid-connected installations in the January-June period were Xinjiang in northwest China, 1.39GW; Shanxi in north China , 660MW; and Shandong in north China, 600MW.
Areas that recorded the largest number of average wind hours were Yunnan in southwest China, 1681 hours; Tianjin in north China, 1332 hours; and Sichuan in southwest China, 1294 hours. Placed at the bottom of the list were Guizhou in southwest China, 840 hours; Heilongjiang in northeast China, 832 hours; and Jilin in northeast China, 727 hours.