When certain solids came into contact with light, it frees negative and positive charges in the solids and creates electrical activity i.e. electricity in them. The famous scientist, Albert Einstein received the Nobel prize in physics for analyzing this phenomena which came to be known as ‘the Photoelectric Effect’.

The following section explains in brief, how this phenomena is implemented in solar panels for electricity generation. It is estimated that 30% of energy is used to heat water, which can be generated using solar panels. Solar panels for electricity generation can last up to 25 years and there is almost no expenditure in maintaining them.
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Today, everyone is looking for energy efficient refrigerators as they require less electricity consumption, thereby reducing overall energy bills. Buying an energy efficient refrigerator is one of the best investments if you are looking for energy savings in the long run. Energy efficient refrigerators can save a considerable amount of money on utility bills. Factors that determine the amount of energy the refrigerators consume are as follows:
• Refrigerator Size
• Configuration (top mounted or bottom freezer)
• Additional features like anti sweat heaters and ice makers
• Location of the refrigerator at home
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