And even later, in 2009, while world economies plunged, the wind industry thrived.That year alone, the installed wind power capacity, or the amount of energy capable of being produced by existing equipment, increased to 158,000 megawatts (that 31 percent jump we discussed in Fact No.10) [source: Roney]. World production is currently capable of serving the needs of 250 million people, and more than 70 countries have installations.