Modern
world is running with the power of fossil fuel, a king of energy source are
hydrocarbons, primarily coal, fuel oil or natural gas, formed from the remains
of dead plants and animals. But this kind of fuel are limited and it will run
out sooner of later. But with the increase of population the demand of fuel is
going high. Scientists predict that our fossil fuel will run out within mid of
the next century. So the necessity of alternative
energy source become very important. Renewable energy can solve
these problem. Renewable energy is generally defined as energy that comes from
resources which are naturally replenished on a human timescale such as
sunlight, wind, rain, tides, waves and geothermal heat. Renewable energy can
replace conventional fuel in four distinct areas: electricity generation, hot water/space heating, motor
fuels, and rural (off-grid) energy services. Like many developed country, Bangladesh is also working with the
technology that can produce renewable energy. The government has installed the biggest solar power
plant on the rooftop of the Bangladesh Bureau of Statistics building in Dhaka. The
plant with a 200 kwp (kilowatt peak) generation capacity,
equivalent to lighting up 5,000 bulbs of 40
watts, will meet a significant portion of the building's demand
for electricity.
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