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The windmills at Kinderdijk in the village of Kinderdijk, Netherlands is a UNESCO World Heritage Site. A windmill is a structure that converts wind power into rotational energy using vanes called sails or blades, by tradition specifically to mill grain (), but in some parts of the English-speaking world, the term has also been extended to encompass windpumps, wind turbines, and other applications.
Wind Power Density (WPD) is a quantitative measure of wind energy available at any location. It is the mean annual power available per square meter of swept area of a turbine, and is calculated for different heights above ground. Calculation of wind power density includes the effect of wind velocity and air density. [25]
India has the fifth largest installed wind power capacity in the world. [96] As of 31 March 2014, the installed capacity of wind power was 21136.3 MW mainly spread across Tamil Nadu state (7253 MW). [97] [98] Wind power accounts nearly 8.5% of India's total installed power generation capacity, and it generates 1.6% of the country's power.
Offshore wind power currently has a share of about 10% of new installations. [8] Wind power is one of the lowest-cost electricity sources per unit of energy produced. In many locations, new onshore wind farms are cheaper than new coal or gas plants. [9] Regions in the higher northern and southern latitudes have the highest potential for wind ...
A windmill is a structure that converts wind power into rotational energy using vanes called sails or blades, by tradition specifically to mill grain , but in some parts of the English-speaking world, the term has also been extended to encompass windpumps, wind turbines, and other applications.
A test version of the direct-drive [45] turbine is installed at Østerild Wind Turbine Test Field. [46] [needs update] Close-up of GE–Alstom 150-6MW at Østerild, 2017. The first turbine was erected in August 2016. [47] [48] [49] On August 18, 2016, Deepwater Wind CEO Jeffrey Grybowski announced Block Island Wind Farm was fully constructed.
California, USA experienced a wind power boom from 1982 to 1986 when thousands of Danish and American wind turbines were installed in massive arrays. India got involved in wind power in the mid-1980s as well, while Germany and Spain gradually developed domestic wind power industries starting in the early 1990s. [citation needed]
As of December 2017, Enercon had installed more than 26,300 wind turbines, with a power generating capacity exceeding 43 GW. [4] The most-often installed model is the E-40, which pioneered the gearbox-less design in 1993. [5] As of July 2011, Enercon has a market share of 7.2% worldwide (fifth-highest) and 59.2% in Germany. [6]