One megawatt is estimated to be enough to power 500 homes in the United States.

Germany continued to top the list of production capacity, with 16,629 megawatts, or 35 percent of the total.

Spain had capacity of 8,263 megawatts and 17 percent of the total, and plans to add another 2,065 megawatts of production capacity this year.

The United States had 6,740 megawatts of capacity and 14 percent of the total, but added only 389 megawatts last year.

Denmark fell to fourth place with 3,117 megawatts, or seven percent of the total.

The Europe Union had the biggest wind production capacity, at 34,205 megawatts, or 72 percent of the total. It added 5,702 megawatts last year, a 20 percent increase.

By continent, North America was second with 7,814 megawatts, while Asia was third with 4,674 megawatts.

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