Wind energy is generated from the sun – the energy of the sun warms and cools as the earth rotates between day and night and wind is then generated. Wind energy is not a new thing, it has been used in the middle ages to mill grain and also being used in China for many centuries to pump water. But people soon lost interest in wind power and began using fossil fuels. Interest has risen again because of our environmental issues and the fact that wind does not generate any gases. This is one of the key advantages of wind energy, however there are other disadvantages of wind energy we have to take into consideration too.
The biggest disadvantage of wind energy is the noise level that wind farm create because there is not just one wind turbine in a field but hundreds or even thousands of wind turbines making a great amount of noise. It has actually been said that those commercial wind turbines create so much noise that they are often compared to the noise that produced by a jet plane. With wind energy you may get rid of environmental pollution but there is the noise pollution. We live in a world where people are very opinionated and only want things to happen that suit them. It is not uncommon for people to protest about wind farm because of the noises that are generated by them, and if people protest enough there is little chance that a wind farm will be set up as the government will probably not approve it. People don’t always protest because of noise either, a lot of people protest against the development of wind farms because they destroy the beauty of clean, green open fields.
Another of the other major disadvantages of wind energy is that wind can never be predicted – one day you might have lots of wind blowing, and other days there can be no wind at all. It is therefore hard to know what the weather will be like and hence if wind energy is the only source of power around, people will go without power when it is not windy. In theory, wind power looks like a great idea but it is not quite so true in practice.
There are other disadvantages of wind energy that does not spring to your mind straight away when you think about wind energy as a source of power however some problems do still exist. For example it is expensive to set up the wind power technology in the beginning stages, you have to get government consents, land consents and actually have to find land big enough to have the wind farm on. In our over populated world it can be quite tough to find decent land spaces that are close to where people live. Sure you could put wind farms in places that are far away where you can locate the space however these wind farms will be so far away from the people who want to use the wind power, and most of the time it will be very uneconomical to have these wind farms in such far out and barren places.
All in all, even with the fact that there are some good points to talk about wind energy, the disadvantages of wind energy by far outweigh the advantages with the greatest problems not being able to predict the winds and noise control problems. I am hopeful that we will find an answer one day!
However if you are interested to build a wind turbine for household use, you can visit my Green Energy website where I share information
on how you can build a one.
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