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Pros And Cons Of Solar Energy

September 22nd, 2009

Learn how solar energy is generated and discover hidden secrets of gaining from this powerful energy source.

Understanding solar energy and how it is generated

The sun is the source of what is known as solar energy. It is derived from the radiant energy that is emitted by the sun. Solar energy is hardly ever used in its original form, but is often transformed into various other useful forms of energy such as electricity, heat, light, mechanical and chemical power, and used in a wide range of applications. The radiant energy is obtained from the sun’s rays which are primarily comprised of radioactive waves. Interestingly, of the entire amount of sun’s energy received by the earth, the upper layers of the planet absorb about 70% of it through the terrains, water bodies, and the clouds, while the rest is sent back into space. Solar energy, derived from this absorbed amount, is an important alternative source of power for the entire world and is something that is finding greater acceptance everywhere with passing time. In this respect, it is easy to realize the importance of learning about all the pros and cons of solar energy as we might be using it ourselves in the not-too-distant future.

Solar energy: here are the advantages and disadvantages

Solar energy applications are multiplying rapidly as it is being used in an increasing number of areas. Apart from the widespread domestic use of home solar power, it is also being used extensively in various other fields such as agriculture, architecture, urban planning, solar lighting, solar thermal, solar chemical, solar vehicles, cooking and so on. Based on the application of home solar power, it can be broadly divided into two classes - active home solar power and passive home solar power. The former stresses the use of solar panels and photovoltaic cells to capture and convert the sun’s energy into various forms of energy, while the latter is more concerned about reducing the dependence on active home solar power and instead, directly use sunlight by citing buildings optimally to the sun, designing well-lit and well-illuminated spaces in the buildings and so on. Let’s face it, solar energy has become inseparably intertwined with our lives. However, much remains unknown about this wonderful source of power.

The advantages of using solar energy are far many than the handful of disadvantages that it might have. The sun, which is a gigantic storehouse of energy, can act as an excellent alternative source of energy. Modern science and technology has made it possible for us to tap into this vast resource and harness the sun’s energy to put it to various uses. Solar energy is for free, and once one has invested in setting up the system, there’s no recurring cost. As long as the sun shines, one can keep enjoying its energy for free without entailing high costs or endangering the environment. As the concern over gradually diminishing natural resources continues to grow, alternative sources of energy are being looked into with renewed enthusiasm. Moreover, this environment-friendly and ‘green’ source of energy is a boon to our already heavily polluted environment. Solar power has the ability to produce electricity at remote locations, for example, the satellite in the space is catered by high efficiency photovoltaic or solar cells that are not connected to any grid. This also supports installation of solar cells in rural or remote areas which is actually more economic than the usual high voltage wire installation. Recent advancements in home solar power technology has made it possible to generate appreciable amounts of power even when the sun is not shining very brightly. What’s more, the energy produced during the day allows itself to be stored for use at night.

Here’s how we can gain from solar energy

All said and done, home solar power, however, has its share of disadvantages as well. First, there is he question of economy. Solar panels and other related equipment are usually quite expensive. Even the cheapest home solar power generator would cost one nearly a thousand. Another con of using home solar power is the fact that most solar systems, even now, are not sophisticated or advanced enough to generate any appreciable amount of electricity under non-optimum circumstances. In other words, a steady supply of bright sunlight is absolutely required by most to be of any real use. Moreover, their performance is still susceptible to be affected by the presence of all the pollutants in the air. In fact, few home solar power systems today are able to give 100% output. This is the reason why installing a home solar power generator at a remote and rural locality makes better sense as it yields more output than in the city where the air is usually more polluted.

Solar power offers numerous advantages - both financial and environmental. That is why so many people are having them installed in their premises every day. While home solar power systems have become simpler to install, easier to procure and definitely more affordable than before, it might still challenge somebody who is new to the subject with its intrinsic complications. One needs to know where to put it up, how to install and wire it, where to get the parts and the batteries from and also the safety regulations to be followed to ensure a trouble-free and successful installation. A step-by-step guide in this respect can be really helpful. You should seriously consider getting hold of one such good guide before you take the plunge into the world of home solar power and solar energy.

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