Ways of Creating Awareness Through Solar Energy Information

Solar energy information gives us a lot of knowledge about how solar harness the free energy. The story dates back to thousands of years when the primitive man used in its passive form to dry food, clothing and to warm dwellings for millions of years. Over the years it has stood the test of time and the sun was and still is the most powerful source of energy on our planet. Learning to capture in a sophisticated manner began around 700 B.C. It was discovered that the sun’s rays directed through a piece of glass could start a fire if the rays of the sun fell on something flammable.

This energy derived from the sun through the form of solar radiation. It powered electrical generation relies on photo-voltaic and heat engines. Other applications include space heating and cooling through solar architecture, day-lighting, solar hot water, solar cooking and high temperature heating for industrial purposes. Solar energy information tells us that the energy technologies could be broadly classified as being passive solar energy and active solar energy technologies, depending on the way solar energy is captured, converted and distributed.

The techniques include the use of P.V panels and solar thermal collectors to harness the sun’s energy. The techniques include orienting a building towards the sun, selecting building materials with favorable thermal mass or light dispersing properties and designing spaces that naturally circulate air.

Solar power is the source of nearly all our energy. The famous song of the 1980s, “The sun always shines on T.V.”, could be slightly modified to “The sun always shines on P.V.” Photovoltaic solar panels have become the symbols of renewable energy and a greener earth in the future. Solar energy information throws up a lot of very interesting facts about this source of energy which are mentioned as follows:

• The earth receives 174 peta watts of solar energy at the upper atmosphere at any given time.

• Total solar energy available on earth is approximately 3850 Zetta-joules (ZJ) per year.

• This energy is measured in kilowatt-hour. 1 kilowatt=1000 watts.

• This energy is responsible for weather patterns and ocean currents.

• Solar industrialization was predicted by Leonardo Da Vinci in 1447.

Developing countries have an abundance of sunlight and since most of the population lives without electricity, there is the fastest growing market for harnessing the free energy in these countries.

This energy is affected by many factors, weather being one of them. There is less energy on a cloudy day. Other factors affecting the energy are the length of the day. No solar energy is produced at night. At the north and south Polar Regions, solar power loses its appeal because of the long periods without sunlight or weak sunlight. These drawbacks can somewhat be mitigated by the use of powerful battery technology. Knowledge of solar energy information would enable us to generate surplus energy when the sun is shining and save the extra for the time s when solar power is unavailable or insufficient. With so much of the world’s population living in sunny climates, it is the most effective and eco-friendly source of energy available.

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