Solar Energy prospects in Pakistan
Solar energy is simply the light and heat that come from the sun. People can harness the sun's energy in a few different ways: Photovoltaic cells, which convert sunlight into electricity. Solar thermal technology, where heat from the sun is used to make hot water or steam.
Sun is the primary source of energy. The earth receives 1.6 x 1018 units of energy form the Sun annually, which is 20,000 times the requirement of mankind on the earth. Some of the solar energy causes evaporation of water, leading to rains and creation of rivers etc. Some of it is utilized in photosynthesis which is essential for sustenance of life on earth. Man has tried, from time immemorial, to harness this infinite source of energy, but has been able to tap only a negligibly small fraction of this energy, till today.
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