Page 25 - Money in Energy
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Money in energy -Investment Opportunities and risks 2010

Can produce a great deal of Some designs are noisy. But
energy then again, so are waves, so any
noise is unlikely to be a problem.
7 Geothermal - heat from underground
Must be able to withstand very
rough weather.

Geothermal energy does not The big problem is that there are Geothermal energy is
produce any pollution, and does not many places where you can renewable.
not contribute to the greenhouse build a geothermal power station.
effect. The energy keeps on
You need hot rocks of a suitable coming, as long as we
The power stations do not take type, at a depth where we can don't pump too much
up much room, so there is not drill down to them. cold water down and
much impact on the environment. cool the rocks too
much.

No fuel is needed. The type of rock above is also
important, it must be of a type
that we can easily drill through.

Once you've built a geothermal Sometimes a geothermal site
power station, the energy is may "run out of steam", perhaps
almost free. for decades.

It may need a little energy to run Hazardous gases and minerals
a pump, but this can be taken may come up from underground,
from the energy being generated. and can be difficult to safely
dispose of.

8 Biomass - energy from organic materials

It makes sense to use waste Collecting or growing the fuel in Biomass is renewable,
materials where we can. sufficient quantities can be as we're going to carry

difficult. on making waste
products anyway.

The fuel tends to be cheap. We burn the biofuel, so it makes We can always plant &
Less demand on the fossil fuels. greenhouse gases just like fossil grow more sugar cane
fuels do. and more trees, so
those are renewable
Some waste materials are not too.
available all year round

9 Wind Energy

Wind is free, wind farms need no The wind is not always Wind power is
fuel. predictable - some days have no renewable.
wind.
Produces no waste or Suitable areas for wind farms are Winds will keep on
greenhouse gases. often near the coast, where land blowing, it makes
is expensive. sense to use them
The land beneath can usually still
be used for farming. Some people feel that covering
the landscape with these towers
Wind farms can be tourist is unsightly.
attractions.
Can kill birds - migrating flocks
tend to like strong winds.

25 Etree Projects Consultants Pvt Ltd.
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