Wind power is the quickest developing renewable energy sector in the world. In the last three years universally established %keword1% power expanse has more than doubled. At the end of 2009 globally installed wind power capacity was 159.2 gigawatts (GW) with an evident growth rate of 31%. In the same year U.S. increased its wind power volume by adding more than 10,000 megawatts to its power grid.
Wind energy sector is excellent generator of new, well paid green jobs. Now more than 500,000 people works in wind industry, and if current trend continues in the next few years, there will be more than one million people working in wind industry.
Wind turbines convert kinetic energy of the wind into electricity. The bunch of wind turbines on one location connected together with a common voltage power collection arrangement and communications network is called wind farm. Most wind farms are based on land but currently offshore wind farms are gaining on popularity customarily because of more potent and more frequent winds that blow offshore.
Wind power is now the singular renewable energy source that has costs comparable to fossil fuels. At the end of 2006 wind total was approximated at $55.80 per MWÂ·h, coal at $53.10/MWÂ·h and natural gas at $52.50. In the early 1980s, when the initial utility-scale turbines were set up, wind-generated electricity total as much as thirty cents per kilowatt-hour, now these costs are around 5 cents/kWh which makes wind power rival with fossil fuels.
Wind power is intermintant energy source. This means that wind doesn’t forever blow when, where and how you want it and this wind energy needs adequate and cheap energy storage answers.
Wind energy is one of the ecologically most standard energy sources. Dissimilar fossil fuels wind energy doesn’t emit unsafe greenhouse gas emissions, and the solitary ecological problem somewhat connected with wind energy is noise contamination coming from large wind turbines. Still the reality that a single 1-MW wind turbine can save around two thousand tons of carbon dioxide yearly should be more than adequate to outweigh (questionable) negative gather of noise impurity.
Wind power has large potential.
It was approximated that the potential of wind power on land and near-shore is somewhere around 72 TW, and this is over five times more than the world’s current energy use in all forms.
United States, Germany, Spain, China, and India are the top five world countries that use wind power The United States became the leading country after surpassing Germany’s nameplate wind capacity in 2008, mostly because of large wind power augmentation in the state of Texas.
Good positioning of wind turbine(s) is the core to successful harnessing of wind energy. Before you put wind turbines into an absolute area you need to understand how much wind does this area have, general wind speeds, frequency and longevity of wind in this area, etc. The ordinary rule of thumb is that doubling a wind speed means an eight-fold spread in power potential.
Wind power use has a very long history. People have been using wind power for more than five thousand years to push sailboats. Windmills also have very long established practice and have been used for irrigation pumping and for milling grain since the seventh century.
Green energy is not the future. It is now.Everyone should be taking a hard look at green energy. Just look at gas prices,or anything that is petroleum based that we use for energy. We have to have an alternate energy source.
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