Top 5 Renewable Energy Sources Of Near Future

1. Top 5 Renewable
Energy Sources Of
Near Future

2. 1. Solar:
We have just started harnessing the power of Solar energy. Our
efforts, technology and investments in this area are just a scratch on
the surface yet. Solar power is expected to provide almost a quarter of
the world’s electricity supplies by 2050, according to a new report
published by the International Energy Agency (IEA). This is essential
for us to cut down carbon emissions and in coming years that will be
our main focus. Solar energy will provide a better alternative. Solar
power currently accounts for 0.5 percent of total electricity supplies
but eleven percent of total supplies are predicted to come from solar
panels on homes and offices while a further 11 percent will be
provided by central solar power stations feeding clean electricity to
populous areas. It will get better with time. Better availability and
implementation of technology will enable us to harness solar energy at
all levels very soon.
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3. 2. Wind:
In the near future, wind energy will be the most cost effective source
of electrical power. In fact, a good case can be made for saying that it
already has achieved this status. Today wind turbines are becoming
more efficient and are able to produce more electricity given the same
factors. Wind has jumped ahead of other green energy sources
because innovations in turbine technology (think: windmills) have
improved the efficiency and made systems the most cost effective
alternative. Turbines can generate electricity with wind speeds starting
at 8 to 16 miles per hour according to the U.S. Department of Energy.
Turbines are typically built in groups on wind farms where the wind is
the strongest. The largest U.S. wind farm is near Abilene, Texas, with
421 turbines scattered across 47,000 acres. United Kingdom is
leading the offshore wind farms right now. Huge wind turbines with a
span rivalling that of the London Eye could form part of the UK’s
energy future. The first giant offshore turbine, named Britannia, will be
complete by 2012. It is evident that in coming time, it will be even
stronger and will emerge as the biggest practical renewal energy
source of all.
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4. 3. Kinetic Energy:
When an object is subjected to a force it accelerates and its speed
increases. The forces used in accelerating this object are stored as
Kinetic energy. In simple terms, it’s a green technology that literally
allows you to create renewable power by walking, thus reducing your
personal carbon footprint. At some level we have already been using
this form of energy in consumer products. For example a motion
powered watch or calculator etc. Kinetic energy will be a resource in
future. Big energy giants and companies like Shell, GE and IBM are
investing in its research and technological development. With these
companies investing in its research, the future looks even brighter.
This energy will be generated and stored at industrial level. There is
some exciting work already underway in various industries. Volvo Car
Corporation (VCC) has received a grant of 6.57 million Swedish
kronor (US$1.05 million) from the Swedish Energy Agency to develop
and test a flywheel kinetic energy recovery system in a joint project
together with Volvo Powertrain and SKF.
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5. 4. Water Energy:
Water power is viewed as something that could potentially be the
solution to powering everything we use on planet earth. Water
contains a tremendous amount of potential energy if it can be utilized
correctly. There are several ways of generating power using water.
But the simplest, oldest and most widely used method remains the
Hydro Electric power. It is the electrical power through the use of the
gravitational force of falling or flowing water. It is the most widely used
form of renewable energy, accounting for 19 percent of global
electricity consumption. It does need heavy investment costs if
produced at industrial level but it can easily be produced at small
levels. This makes it an obvious easy choice for several rural areas
across the world.
Hydropower is produced in 150 countries, with the Asia-Pacific region
generating 32 percent of global hydropower in 2010. China is the
largest hydroelectricity producer, with 721 terawatt-hours of production
in 2010, representing around 17 percent of domestic electricity use.
Approximately two-thirds of the economically feasible potential is still
available to be developed. Untapped hydro resources are still
abundant in Latin America, Central Africa, India and China which
make it the best candidate for future investments and development.
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6. 5. Wave Motion Energy:
This is relatively a new system of producing power and we are still
learning on the best ways of tapping this to its full potential. Wave
power is the transport of energy by ocean surface waves, and the
capture of that energy to do useful work — for example, electricity
generation, water desalination, or the pumping of water (into
reservoirs). Machinery able to exploit wave power is generally known
as a wave energy converter.
The Aguçadoura Wave Farm was the world’s first wave farm. It was
located 5 km (3 mi) offshore near Póvoa de Varzim north of Oporto in
Portugal. The farm was designed to use three Pelamis wave energy
converters to convert the motion of the ocean surface waves into
electricity, totalling to 2.25MW in total installed capacity. It was
completed in 2008. Other wave farms, with other companies
involved, have been proposed. This area has potential of huge
investments and reaerch in future.
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