Wind energy is actually a form of solar energy. Wind is formed from the heating and cooling of the atmosphere, which causes air and air layers to rise and fall and move over each other, results in wind currents.
Modern windmills have become very efficient at transferring the energy of wind to electricity. Wind power is an important part of the overall renewable energy sources for the future.
wind energy1 150x150 Wind energywind energy 150x150 Wind energy
Wind and hydroelectric power, which have been used effectively for generations, are also rapidly growing energy markets. The principle behind both is that the force of the wind and water currents is passed through turbines which convert their energy into electricity.
Global wind energy capacity grew by 28.8% last year, higher than the average over the past decade, to reach total global installations of more than 120,8 GW at the end of 2008.
Steve Sawyer, Secretary General of global Wind Energy Council (GWEC), considers that wind energy is huge and growing for emissions – free, can be installed quickly virtually everywhere in the world.
wind energy3 150x150 Wind energyThe massive growth in the US wind market in 2008 increased the nation’s total wind power generating capacity by 50%. The new wind projects completed in 2008 account for about 42% of the entire new power-producing capacity added in the US last year, and created 35,000 new jobs, for a total of 85,000 employed in the sector in the US.
In its response to the financial crisis, the Chinese government has identified the development of wind energy as one of the key economic growth areas. At this rate, China would be well on its way to overtake Germany and Spain to reach second place in terms of total wind power capacity in 2010. China would then have met its 2020 target of 30 GW ten years ahead of time.
In Europe, almost 8,9 GW worth of new wind turbines brought total wind power generation capacity up to nearly 66 GW.     turbines water 150x150 Wind energyThis makes wind power the leading power source for new generation capacity, according to the European Wind Energy Association (EWEA). While in the past, European growth was primarily spurred by the established markets in Germany, Spain and Denmark, 2008 saw a much more balanced expansion, led by France, the UK and Italy.
In Holland, the experts placed the aeolian turbines in the water, near the coasts, not only on the land, because of the wind currents are stronger above the water. In Holland, windmills have been used for centuries to pump water from low-lying areas.
buga wind energy vision Wind energyFarmers have been using wind energy for many years to pump water from wells using windmills like the one on the right.
Wind and water are perfect energy sources because they are non-polluting, renewable and efficient and you need only sunlight, running water and wind. This renewable energy sources help reduce global carbon dioxide emissions, and they can limited our dependence of fossil fuels.
An idea about the emplacement of aeolian turbines, with different shapes and forms, is in the city or near it, which can be comparative with the energy produced by the electric central with fossil fuels.
A student from Arizona State University came up with an idea, to utilize the wind generated by cars whooshing down the freeway, and it’s being proposed for a stretch of desert highway that is quite busy near Phoenix.two horizontal axis shaped wind turbines on a highway signage to produce wind energy 179 300x225 Wind energy

Advantages
Wind Energy is distributed cheap, renewable and also reducing toxic gas emissions. Wind Energy is also advantageous over traditional methods of creating energy, in the sense that it is getting cheaper and cheaper to produce wind energy. Wind Energy may soon be the cheapest way to produce energy on a large scale.
One other advantage of wind energy that it is readily available around the globe, and therefore there would be no need of dependence for energy for any country. Wind energy may be the answer to the globe’s question of energy in the face of the rising petroleum and gas prices.

Disadvantages
Though the costs of creating wind energy is going down, even today a large number of turbines have to be built to generate a proper amount of wind energy, the turbines may create a lot of noise, which indirectly contributes to noise pollution.
Wind can never be predicted. Even the most advanced machinery may come out a cropper while predicting weather and wind conditions. Since wind energy will require knowledge of the weather and wind conditions on long term basis, it may be a bit impractical. Therefore, in areas where a large amount of wind energy is needed, one cannot depend completely on wind.
Many potential wind farms, places where wind energy can be produced on a large scale, are far away from places for which wind energy is best suited.56175 50 300x200 Wind energy

Wind Energy is non – dispatchable. This may also put a spanner in depending upon wind power as a primary energy supplier. Wind energy depends upon the wind in an area and therefore is a variable source of energy.
Source: www.fif2002.com

Originally posted 2009-08-14 08:25:33. Republished by Blog Post Promoter

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