The wind power industry is involved with the design, manufacture, construction, and maintenance of wind turbines. The modern wind power industry began in 1979 with the serial production of wind turbines by Danish manufacturers. The industry is currently undergoing a period of rapid globalization and consolidation. The wind power industry is the industry involved with the design, manufacture, construction, and maintenance of wind turbines. Although the wind power industry is small compared to those of the conventional power generation technologies (hydro, coal, natural gas, and nuclear), it is growing at a much faster rate (25% per year, from 2002 to 2007).