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Solar Power
About 47 per cent of the energy that
the sun releases to the earth actually reaches the
ground. About a third is reflected directly back
into space by the atmosphere. The time in which
solar energy is available, is also the time we least
need it least - daytime. Because the sun's energy
cannot be stored for use another time, we need to
convert the suns energy into an energy that can be
stored. One possible method of storing solar
energy is by heating water that can be insulated.
The water is heated by passing it through hollow
panels. Black-coated steal plates are used
because dark colours absorb heat more efficiently.
However
Approximate words: 336
Approximate pages: 2
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