Switching from one energy source to another has not been a world-wide event since the introduction of fossil fuels in the early part of the 20th century. At that time, the world relied on horses for transportation and gas lamps for light, but with fossil fuels automobiles and electric light bulbs became commonplace and cities the world over made the transformation. But the dependence we have come to rely on from fossil fuels is proving to be short-lived as prices are soaring uncontrollably.
Currently, many of the energy sources that are in use or have been found, are not considered green due to the damage that they can do to surrounding environments (hydroelectric, thermal, fossil fuels and nuclear). These energy sources are monopolized by only a few companies that are capable of producing them. Due to this factor and the fact that they cannot be replenished at a quick rate has prompted people all over the world to start demanding cheaper fuel. Knowledge can be a huge benefit when it comes to inventing a new energy source that is renewable and able to keep up with the high demand for it in order to keep the cost of it down.
Finding a new energy source that is cheaper to produce, is renewable and is green is what needs to happen quickly. One alternative that is available is Solar Energy. Solar energy is one practical alternative to fossil fuels because it is readily available, easy to harness and is a low-impact resource once it is converted into energy. Not taking advantage of this abundant resource would be a devastation when one considers future generations.
The main focus of this site is the use of Solar Energy for heating in the UK and Ireland
In Ireland, the consumption of oil each year is 2.5 million tons, not counting the oil used in transportation. This is a quarter of the total energy consumption within the country. Burning fossil fuels (peat, coal, oil, and gas) is what provides most of this energy. This results in the release of 11 million tons of carbon dioxide emissions which are the leading contributor to green gas emissions.
Solar Energy
Solar energy is an energy form that comes from the radiant energy that is produced within the sun at extreme temperatures, causing nuclear fusions to occur. The resulting temperature is in excess of 5000˚C. This energy radiates away from the sun, towards the earth as both light and heat and takes about 8 minutes to travel from the sun to the earth. Most of the energy that reaches the earth is in the form of light and a third of this is absorbed by our atmosphere before it ever reaches the surface of earth. Using scientific calculations, it has been estimated that the amount of energy that can be harnessed from solar energy from one square meter of earth's surface is the equivalent of a single barrel of oil. That is a huge amount of energy and is completely free for our use. Presently, technology has created solar panels to harness solar energy, and these can be placed on rooftops. The energy is then transformed so that it can be used for space heating, water heating and space cooling (i.e. desiccant evaporators and absorption chillers). And there are now several systems available that are extremely efficient such as the Solar Thermal Concentrating Systems, parabolic troughs, parabolic dishes, central receivers and Photovoltaics.
Alternative Source Of Energy
The fact is that the cost of energy keeps rising, and alone is forcing people to look the other direction for cheaper alternatives to energy. Solar energy has been one of the alternatives that people have found to have cheaper energy. Solar energy offers one more than one advantage, but it also has its limitations.
Solar energy is controlling the sun to create energy. The sun is a renewable source of energy. It is available to everybody around the world, and through research people have found a way to capture the energy of the sun and put it to use.
To use solar energy, one has to find a way to capture energy. This is where solar panels come in. Solar panels collect the energy of the sun. That energy that is collected may be converted to power or it may be stored and used later.
If you are collecting the sun's energy, it is important that you have a storage unit. The reason being is that the sun is not around on rainy days to produce energy for those that require and depend on it. At night and also on cloudy days, the sun and also its power are not always available. In order to have an effective and efficient energy unit it is important that there is a way that the energy that it collects is stored and not used immediately, but may be used later.
There will definitely be times that you will require a backup source. One needs to have constant energy supplied by the sun if they are dependent on it. Again, it is important to have an energy unit that is able to collect and store energy. This will require when the sun is available but is not strong enough to produce the required amount of energy that is needed by those that depend on it.
A known reason why people use solar energy is to provide heat. The transformation that involves heating is little energy, and this means it is a perfect way to use solar energy. A common use for the energy is for cooling. However, using solar energy for this can be expensive. This method involves phases and changes that consumes the energy and then cools it down.
Another reason people are using solar energy is that it can be converted into electricity. There are many countries that suffer from blackouts, and instead of using a generator they have turned to solar energy. Solar energy can power any electrical device just like electricity.
Photovoltaic cells converts solar energy to electricity. Photovoltaic cells are able to generate 32.3% electricity, and this generation rate is better than the generation of ordinary electricity. The thing is that the technology that is available to allow the generation rate of an average photovoltaic cell is 15%, and this makes its efficiency quite low compared to the way electricity is generated normally.
Technology will improve and the use of solar energy and being used for electricity will be a real idea. Solar energy will soon be playing a major part in the generation of electricity.
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