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Geothermal Energy and the Environment
Geothermal energy does little damage to the environment. Another
advantage is that geothermal plants don’t have to transport fuel,
like most power plants. Geothermal plants sit on top of their fuel
source. Geothermal power plants have been built in deserts, in the
middle of crops, and in mountain forests.
Geothermal plants produce almost no e...
High Temperature Resources: Electricity
Hydrothermal resources at high temperatures (300 to 700 degrees
Fahrenheit) can be used to make electricity.
These high-temperature resources may come from either dry
steam wells or hot water wells. We can use these resources by
drilling wells into the Earth and piping the steam or hot water to
the surface. Geothermal wells are one to two miles deep.
There is more than one type of geothermal energy, but only one
kind is widely used to make electricity. It is called hydrothermal
energy. Hydrothermal resources have two common ingredients:
water (hydro) and heat (thermal). Depending on the temperature of
the hydrothermal resource, the heat energy can either be used for
making electricity or for heating.