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The Advantages and Disadvantages of Hydroelectricity

by GuestPoster - October 5th, 2011.
Filed under: Guest Posts. Tagged as: , , , .

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Hydroelectricity is one of the most reliable energy sources out there, actually the number one of the renewables, producing about 16% of the total electricity consumption of the world. This technology harnesses the kinetic and potential energy in water, all driven by the solar energy that drives the water cycle around. In many ways, hydroelectricity is electricity generated from converted solar energy. What are the advantages and disadvantages of using this technology?


Advantages of Hydroelectricity

Hydroelectric power generation offers a wide array of advantages. I’m going to talk about the most import ones. On top of this list is the fact that hydroelectricity is a green form of energy. The only carbon dioxide emissions that occur from using hydropower comes from construction of the power plants.

Green power sources are often renewable as well. This is also the case with hydroelectricity. There’s no reason to believe that we will run out of this way of harnessing energy soon – as it in fact all can be sourced back to the sun, which won’t burn out for billions of years.

The other benefit I want to mention is the fact that hydroelectricity is very reliable. There are no fluctuations in how much energy that is generated because hydroelectricity is not that reliable on weather unlike solar and wind energy. However, interesting similarities can be found in Wind Energy Pros and Cons.

More about Hydroelectricity can be found on energyinformative.org.




Disadvantages of Hydroelectricity

There is a certain level of environmental effects when it comes to hydroelectricity after all: When large quantities of water are being regulated and altered, we do produce unwanted effects in terms of wildlife and the environment.

Power plants that generate electricity by using hydropower are expensive. It often takes many years before the initial payments of plant costs are earned back in terms of sold power.

We don’t have large enough reservoirs to power the whole world. Hydroelectricity would have a tremendous potential if we had enough areas where it would be economical do develop these large power plants. The truth is that we are starting to run out of them already.






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