Published on Dec 14, 2013 – wind power is the process of converting wind power into a useful form of power, such as using wind power turbines to make wind power electric, wind powermills for mechanical power, wind powerpumps for water pumping with wind power or drainage, or wind power sails for propelling boats or ships ships. FOR THE BEST HOME AND BUSINESS WIND and SOLAR SYSTEMS visit:

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Large wind power farms consist of arrays of wind power turbines which are connected to the electric wind power transmission network. For new constructions, onshore wind power is an inexpensive source of electricity, competitive with or in many places cheaper than fossil fuel plants. Small onshore wind power farms provide electricity to isolated locations. Utility companies increasingly buy surplus electricity produced by small domestic wind power turbines. Offshore wind power is steadier and stronger than on land, and offshore wind power farms have less visual impact, but construction and wind power maintenance costs are considerably higher.

Wind power, as an alternative to fossil fuels, is plentiful, renewable, widely distributed, clean, produces no greenhouse gas emissions during operation and uses little land. The effects of wind power on the environment are far less problematic than those from other power sources. Since 2011, Denmark is generating more than a quarter of its electricity from wind power and 83 countries around the world are using wind power to supply the electricity grid. Wind power production in 2010 was over 2.5% of total worldwide electricity usage, and growing rapidly at more than 25% per year.

Wind power is very consistent from year to year but has significant variation over shorter time scales. As the proportion of wind power in a region increases, a need to upgrade the grid, and a lowered ability to supplant conventional production can occur. Wind power management techniques such as having excess capacity storage, geographically distributed turbines, dispatchable backing sources, storage such as pumped-storage hydroelectricity, exporting and importing power to neighboring areas or reducing demand when wind power production is low, can greatly mitigate these problems. In addition, weather forecasting permits the electricity network to be readied for the predictable wind power variations in wind power production that occur.

Sailboats and sailing ships have been using wind power for thousands of years, and architects have used wind power-driven natural ventilation in buildings since similarly ancient times. The use of wind power to provide mechanical power came somewhat later in antiquity. The wind powerwheel of the Greek engineer Heron of Alexandria in the 1st century AD is the earliest known instance of using a wind power-driven wheel to power a machine.

The first wind powermills were in use in Persia at least by the 9th century and possibly as early as the 7th century. The use of wind powermills became widespread across the Middle East and Central Asia, and later spread to China and India. By 1000 AD, wind powermills were used to pump seawater for salt-making in China and Sicily. wind powermills were used extensively in Northwestern Europe to grind flour from the 1180s, and wind powerpumps were used to drain land for agriculture and for building. Early immigrants to the New World brought the wind power technology with them from Europe.

In the US, the development of the water-pumping wind powermill was the major factor in allowing the farming and ranching of vast areas otherwise devoid of readily accessible water. wind powerpumps contributed to the expansion of rail transport systems throughout the world, by pumping water from water wells for steam locomotives. The multi-bladed wind power turbine atop a lattice tower made of wood or steel was a century a fixture of the landscape throughout rural America.

In 1881, Lord Kelvin proposed using wind power when coal ran out, as “so little of it is left”. Solar power was also proposed, at about the same time…

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