Story of solar energy begins from the SUN, the centre of our solar system, 100 times the diameter of our earth. The Sun is composed mainly of hydrogen. Its energy is generated by nuclear collisions in its interior.

Everyday before we wake up the Sun sends us the life-giving light and the heat from a distance of 148.8 million kilometers in the form of sunshine.

The sunshine also contains tremendous energy called “Solar Energy.” Our scientists have known that solar radiation falling on the surface of the Earth is equivalent to 170 trillion kilowatts of electricity. An eight days’ sunshine is equal to a total of all fossil-fuel deposits we have today!

One may ask how can we produce electricity from sunshine? It was known to mankind that we can harness energy from sunshine with the aid of mirror or glass. The breakthrough in science had brought out photovoltaic cells (crystalline silicon cells) more powerful than the ordinary glass, which can convert sunlight into electricity.

With the aid of these Photovoltaic (PV) modules we can harness electricity. When particles of sunlight (known as Photons) enter the cell, some photons are absorbed by the semiconductor atoms. This frees electrons in the cell’s negative layer, which flow from the semiconductor through an external circuit, and back into the positive layer. It is this flow of electrons that makes up electric current.

By installing PV modules we can convert electricity and store the energy in storage batteries. We can use this energy for lighting our homes, to operate television, to boil water, to cook our food, to run the water pump for drinking and irrigation, to run the refrigerator and even to power unmanned buoys and satellites.

Lasting for nearly twenty years the solar energy installations will be most rewarding because the system does not have any moving parts which may need maintenance from time to time. There will not be any need to depend upon the power from public utility grids (at least for 200 days in a year) as they fail to supply electricity everywhere and all the time.

Always available free and in abundance except during rainy and cloudy days, the sunshine must be harnessed to meet our growing needs for electricity.

Remote areas where power grid can not reach the supply of electricity can be provided with electricity by solar energy installations for lighting, refrigerators in the village health centers, water and room heating, television, etc.

Economical in the long run. The money invested in solar energy installations will be paid back to us within 6 years by the installation itself by saving your energy bills. For the remaining fourteen years you enjoy free electricity. Thus, solar energy not only saves your money but also earns money for you. How amazing!!

Never spoils the environment because solar energy is clean, silent, non-polluting, smokeless, shock-free and non-hazardous. No need to dig the earth for coal, no need to cut the trees for firewood, no need to import oil by spending your nation’s precious foreign exchange.

Energy crunch is a never ending headache which can be relieved in due course through nationwide solar energy culture and the dream of “electricity for every home” can be made into reality.

Radiation hazard? Never. Absolutely zero because solar energy is a natural energy and we live on that.

Government gives subsidies and easy loans to encourage people to install solar energy based installations and appliances. Visit those departments and avail the financial support. Such visits or initiatives by you will make you more familiar about the authenticity of this story.

Your imagination, initiative and prompt action will help many of your brethren in your country who live in darkness to see the rays of light in their everyday life. ACT. Learn how to harness the nature’s never ending source of power—the Solar Energy—and give a cleaner and healthy face of earth to your children and their children to live on.

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