miércoles, 1 de abril de 2015

Renewable


ENERGY: Renewable vs Non-renewable 



Renewable sources of energy

Renewable sources of energy are obtained from different natural sources. The main common sources are sunlight, wind, tides and geothermal. Statistics has indicated that renewable sources of energy comprise approximate 16% of total global energy that is consumed on daily basis. One advantage about this form of energy is that it can be replaced and used continuously without becoming depleted. Renewable sources of energy are mostly used in three different areas which include electricity generation, heating by use of solar hot water and motor fuels through the use of renewable bio-fuels.

Pros of renewable sources of energy


1.     Renewable sources of energy are renewable and easily regenerated. This is unlike fossil fuels which are perishable once used.

2.     Renewable source of energy such as solar produce clean energy that does not pollute the environment. This is because no burning is required during usage of the energy.

3.     Most importantly, renewable energy are available everywhere throughout the world thus there is no chance of the sources becoming depleted in future. For example, solar energy is everywhere as the sun will always be there every day.

4.     Maintenance cost needed to install and use the renewable energy is relatively cheap. Solar energy can be trapped easily and used for domestic needs.

5.     Renewable sources of energy boost economic growth and increase job opportunities. This includes electrical energy which is used to run many industries.


  Cons of renewable sources of energy

E very set of energy has its own drawbacks once introduced to the ecology. Some of these limitations include
1.     Difficult to produce the energy quantity that is equivalent to that produced by nonrenewable fuels

2.     Technology required to trap renewable energy is costly. Setting of dams requires high initial capital to construct and maintain


3.     Most renewable sources of energy are affected by weather thus reducing their reliability. For example, hydro generators need constant rainfall that will overflow the dams, wind turbines only rotate if there is wind of a given speed.

From: http://renewablegreen.net/?p=124

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