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Posted by on Apr 27th, 2011 and filed under Renewable Energy. You can follow any responses to this entry through the RSS 2.0. Both comments and pings are currently closed.

Solar technology – The Real Facts

Most energy plants inside the United States and all over world are using fossil fuels to operate and generate power. Fossil fuel has been utilized as an energy source as long as man has discovered how to generate electricity. Fossil fuels have been around for ages and when man started applying these power sources no one thought about the consequences. Fossil fuels will expire and there will probably be a shortage of fossil fuel energy resource in the very near future. This shortage of fossil fuel will have its effect on our daily lives and numerous related industries. Nowadays we see some of these effects already, fossil fuel prices are rising and electricity is becoming much more pricey. Although fossil fuels are far more scarce, the continued need for fossil fuels will still be there and will not decrease in the near future. To solve this shortage of fossil fuels we will need to look for other possibilities for our electricity demand.

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Fortunately, alternative energy sources are receiving more interest. For example, areas with high water falls are experimenting on making hydro-electric energy plants, that are becoming quite successful. Other areas with higher wind speed  will make the most of wind mills that can convert wind power into power. In addition,  thermal and tidal energy are excellent alternatives.

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Solar power is also simply one of the energy sources which is gaining in awareness. Solar energy has steadily been growing. Nowadays solar energy is widely employed in countries due to the fact the advantages are many. Our solar power source, direct sunlight, its life span is predicted to last for another 4.5 billion years. It is fair to say that this power source is nearly almost endless.

Rate of Electricity from the Sun

The sun’s radiation reaches a certain area in space and the Earth’s orbit is within this area is subject to approximately 1,400 watts per square meter. Out of this, photovoltaic cells (also known as solar cells) here on Earth can capture 19 to 56 watts per square meter that is equivalent to .45 to 1.35 kilowatts per hour (kWh) using a day and night average over a year’s period of time.

Therefore, if there were far more regions on Earth that could be converted to using many photo voltaic panels, then solar might be able to produce additional power in the form of electricity. This is a greater amount of power than is currently available from oil, gas, and other sources of power combined (assuming 8% pv cell efficiency).

Conversion of Solar energy – There are two ways of generating solar energy.

The first is the direct solar energy which involves only one conversion into a usable form. For instance:

- Sunlight strikes the pv cell, converting it into power.

- Sunlight hits the absorber surface of a pv thermal collector, converting into thermal power which is usually utilized to heat homes in the course of the ice cold seasons.

The second could be the indirect pv power which involves additional than one particular conversion to reach a usable form. For example:

- Plants use photosynthesis to transform solar power to chemical energy,  which may be burned later as fuel to generate electricity (also known as bio-fuel technology).

- Hydroelectric dams and wind turbines are indirectly supplied by solar energy through its interaction with the Planet’s atmosphere.

Just like any other types of energy resources, pv electricity has its ups and downs.

Here are the Pros of: Photo voltaic Electricity

- Co2-free.

- Solar powered establishments could be run with a lot less assistance or repair.

- It’s abundant. As mentioned previously, most of the inhabited areas here on the Earth are normally reached by sunlight.

Here are the Cons: Solar Electricity

- While it’s abundant, non-tropical locations can sometimes receive atiny amount of sunlight. Thus, electric power that are going to be produced in these areas is really at a minimum.

- Available only during the daytime hours and therefore is not available throughout night time.

- Photovoltaic cell technologies generate direct current (DC) energy that needs to be converted to alternating current (AC) electricity utilized in distribution grids.

Once massive development on the use of pv energy is evident, and you should expect that every single household or industry in the world will now be powered by solar electricity. It truly is not just a dream, it are going to be a dream come true.

So isn’t it time for you to Build Your Own Solar Panels?

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