Caused by increasing global energy consumption and the probable world non-renewable energy sources depletion, alternative energy sources exploring and utilizing means are being undertaken. Alternative energy source using can be both beneficial and difficult. Let us discuss the different alternative energy sources pros and cons.

A renewable energy major advantage is it is renewable hence it is sustainable and will never run out. More importantly renewable energy produces little or no waste products may pollute or has harmful effects on the environment.

A number of countries using renewable energy as another energy source are also showing some economic benefits especially in many regional areas. Most of their projects are located away from the urban centers and capital cities. They were able to increase the use of local services as well as tourism.

General using renewable energy disadvantage is that it is difficult to generate large electricity quantities similar to that of conventional fossil fuels. Another common problem with alternative energy sources is the energy supply reliability. As it is naturally generated, renewable energy supply relies on the weather condition.

Another alternative energy source drawback or disadvantage is that it is somewhat more expensive to set up the equipment necessary for generating the energy.

Here are a number of advantages and disadvantages of alternative energy sources.

- Solar energy – the sun is a great energy source since it is free and efficient. It is possible to maximize the energy given by the sun to replace traditional electricity. But there are definite limitations, like areas at high latitude and places with frequent rains are places not capable of producing efficient solar energy.

- Wind energy – wind is also an efficient electricity source. It is possible that wind energy can substitute up to 20 percent of the total electric consumption in the future. It is also a very environment friendly energy source while there are no harmful gases produced in the process of converting the energy. Location is a very important factor in using wind energy, high latitudes and coast lines are good places to set up windmills. A relatively big land area is also needed to put up sufficient number of windmills.

- Hydroelectric and tidal energy – both of this energy come from water. With hydroelectric energy it is mainly sourced from dams. Tidal energy, on the other hand, uses the natural ocean tides. Energy production from water is another clean way of producing energy. Though there are several disadvantages. Putting up river dams as hydroelectric energy sources is very expensive, while tidal energy source depends much on the ocean. Since oceans tend to unpredictable there are only 9 places worldwide are suitable for this kind of energy source. Also tidal energy power plants are as well said to provide negative effects on the migratory birds and the fishes.

- Biomass – biomass consists of fermented animal waste, agricultural crops, grains and other natural products. It can be used to produce an alcohol and replace gasoline needs also. It maximizes waste materials as an alternative energy source. A drawback is it still produces greenhouse gas.

Although it is renewable, alternative energy sources pose some disadvantages also. But its unfavorable effects are relatively smaller than the harmful effects of conventional fossil fuels. The chase for a cost-efficient and environmental friendly alternative energy sources does not stop on the latest discovery.

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