United States wind energy policy
There are currently 5,600 MW of projects under construction in 2011. The U.S. Department of Energy's 2011 report "20% Wind Energy by 2030" envisioned that wind power could supply 20% of all U.S. electricity, which included a contribution of 4% from offshore wind power.
Wind power in China
In 2016, China added 19.3 GW of wind power generation capacity to reach a total capacity of 149 GW, and generated 241 TWh of electricity, representing 4% of total national electricity consumption. 
Both China's installed capacity and new capacity in 2015 are the largest in the world by a wide margin, with the next largest market, the United States, adding 8.6 GW in 2015 and having an installed capacity of 74.4 GW. 
Wind power in the United States has however a much higher capacity factor.