Installed capacity in China's wind power sector will grow 64% this year to 20 million kilowatts , organizers of the 3rd China International Wind Energy Exhibition and Symposium 2009 forecast Friday .

Installed capacity grew 105% last year .

Chinese industry experts believe that by about 2020 ,wind power will likely surpass nuclear power as China's third-largest source of electricity ,after thermal and hydro power .

Wind power comprised 1.5% of China's total installed capacity in 2008, when the country became the world's fourth-largest wind power market .