Wind energy blows hot and cold based on local energy pricing, available tax incentives, market production, transportation costs, and so on, but generally, it has been a fast-growing renewable energy sector. Since the 1980s, the cost per kilowatt-hour of wind has dropped 80 percent; it is approximately 2¢ cheaper per kWh than coal-powered electricity on the U.S. market as of June 2012. And that’s without accounting for the cost it saves our system due to decreased carbon dioxide emissions. About 24 percent of Denmark’s energy needs reportedly are met by wind, and the country has plans to grow that to 50 percent by 2020. Serious wind development is happening
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