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Power Stations

What is Geothermal Power?

Generating electricity from hot rocks is called geothermal power.

How does Geothermal Power Generate Electricity?

Some countries have hot underground rocks that are close
to the Earth's surface. Water is pumped down to
the rocks through a pipeline and returns to the surface
as steam through another pipe. The steam is
then forced through a turbine which turns a generator.

The original source of the energy is
radioactive decay of unstable nuclei within the Earth.


 What are the Advantages of Geothermal Power?

1.  It is renewable.

2.  It is reliable.

3.  It does not cause pollution.


What are the Disadvantages of Geothermal Power?

1.  It is limited to being used in those
parts of the world where hot rocks are near the surface.

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