The boost added 37.5 GW to total global wind power installations, bringing the figure up to 157.9 GW.

One third of these additions were made in China, which experienced yet another year of over 100 per cent growth.

China was the world’s largest wind energy market, nearly doubling its wind generation capacity from 12.1 GW in 2008 to 25.1 GW at the end of 2009.

A newly added capacity of 1,270 MW in India and some smaller additions in Japan, South Korea and Taiwan made Asia the biggest regional market for wind energy in 2009, with more than…