Top 10 Renewable Energy Sources
Energy is an inevitable
requirement where we want development to take place. All these power generation
techniques can be described as renewable since they are not depleting any
resources to create the energy. Renewable sources of energy are the ones which
can be generated continuously in nature and are inexhaustible. These are the
top 10 energy sources:
1. Biomass-
2.
Biogas-
Biogas
is a mixture of methane, carbon dioxide, hydrogen and hydrogen sulphite, the
major constituents being methane. Biogas is produced by anaerobic degradation
of animal and plant wastes in the presence of water. Anaerobic degradation is
to break down the organic matter by bacteria in the absence of oxygen. It is a
non-polluting, clean and low cost fuel which is very useful for rural areas.
Biogas plants used in our country are of two types; fixed dome biogas plant and
floating drum biogas plant.
3.
Tidal Energy
Tidal
energy is not a very popular energy source, but has immense potential of
becoming one in the near future. Tidal energy can be generated in two ways,
tidal stream generators or by barrage generation. The power created through
tidal generators is generally environmental friendly and causes less impact on
established ecosystems. It is similar to the wind energy. Tidal energy is the
only form of energy that derives directly from the motions of the Earth-Moon
system. The tidal forces produced by the Moon-Sun in combination with Earth’s
rotation are responsible for the tides.
4.
Wind Energy
Wind energy is a conversion of wind energy by wind turbines into a useful form, such as electricity or mechanical energy. Wind farms are installed on agricultural land or grazing areas, have one of the lowest environmental impacts of all energy sources. The principal application of wind power today is the generation of electricity, historically; it has been used directly to propel sailing ships or converted into mechanical energy for pumping water or grinding grains.
5.
Geothermal Energy-
Geothermal energy is the heat from Earth. It’s clean and sustainable. Resources of geothermal energy range from the shallow ground to hot water and hot rock found a few miles beneath the Earth’s surface and down even deeper to the extremely high temperatures of molten rock called magma. The steam or hot water comes out of the cracks in the Earth and when it doesn’t find any way to come out, holes are drilled with pipes in it to gush the hot water out due to high pressure which turn the turbines of a generator to produce electricity.
6.
Radiant Energy-
99% of
the cost of normal electricity can be saved by the use of radiant energy. It
performs the same functions, but doesn’t possess behavior similar to
electricity. Nikola Tesla’s magnifying transmitter, T Henry Moray’s radiant
energy device, Edwin Gray’s EMA motor & Paul Baumann’s Testatika machine
all ran on radiant energy. Nikola Tesla built one of the earliest wireless
telephones to be based on radiant energy.
7.
Hydro Electricity
This is the most widely used form of renewable energy. The gravitation force of falling water is the key point in hydroelectricity generation. Small scale hydro or micro-hydro power has been an increasingly popular alternative energy source, especially in remote areas where other power sources are not viable. The hydro power sites has a few major environmental problems like water logging and siltation, Causes loss to biodiversity of fish population and other aquatic animals. It also displaces local people and creates problems of rehabilitation and related socio-economic problems.
8.
Compressed Natural Gas
Compressed
Natural Gas (CNG) is a substitute for gasoline, diesel or propane fuel. It is
cleaner and safer to use as it diffuses easily into the surroundings if leaked.
However, burning it does release a few greenhouse gases in the air. CNG is used
in traditional gasoline internal combustion engine cars that have been
converted into bi-fuel vehicles.
9.
Solar Energy
The sun
offers an ideal energy source, unlimited in supply, expensive, which does not
add to the earth’s total heat burden and does not produce air and water
pollutants. Solar installations in recent years have also largely begun to
expand into residential areas with government offering incentive programs to
make “green” energy a more economically viable option.
10. Nuclear
Energy
Proponents
of nuclear energy contend that nuclear power is a sustainable energy source
that reduces carbon emissions and increases energy security by decreasing
dependence on foreign oil. Nuclear fission is used to extract energy from
atomic nuclei via controlled nuclear reactions. Utility scale reactors are use
to produce steam which is then converted into mechanical work for the purpose
of generating electricity or propulsion.
By-
Ranveer Yadav
There is one another new source of renewable energy that is Gravitational and Buoyant force. I have invented a new technology by which we can generate Renewable Electricity in a very very cheaper way. It works 24x7 Hr. It can be installed anywhere. We can generate 10 KW to 100 MW electricity by this technology. All the materials, which required to install this unit are easily available anywhere in India. I use combination of gravitational and Buoyant force to generate Renewable Electricity.
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