The Danes were pioneers in developing commercial wind power during the 1970 â s and today almost half of the wind turbines around the world are produced by Danish manufacturers such as Vestas . Wind power provided 18.9 % of electricity production and 24.1 % of generation capacity in Denmark in 2008 , Denmark was a pioneer in developing commercial wind power during the 1970s , and today almost half of the wind turbines around the world are produced by Danish manufacturers such as Vestas and Siemens Wind Power along with many component suppliers .