Longyuan – China’s biggest wind farm operator – saw net profits fall 6.8% to 1.36bn yuan ($221m) in the January to June period, as revenue dipped 6.9% to 6.99bn.

The company said although it added wind capacity, which now stands at 11.9GW, profitability failed to keep pace because of an increase in under-utilisation.

“[This] was mainly attributable to the fact that the wind resources in the first half of 2014 was not as good as that in the corresponding period of 2013,” Longyuan said.

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