The diagram below shows how geothermal energy is used to produce electricity. Summarise the Information by selecting and reporting the main features, and make comparisons where relevant.

The following diagram demonstrates the production of electricity by using geothermal energy.

This

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procedure consists of five steps. The first three steps are happening under the ground, and the

last

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two levels are on the flat, by the usage of some machines like turbine or generator. In the first stage, the cold

water

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is pumped into the injection well, which is 4.5 km long.

Then

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, the cold

water

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reaches the geothermal zone, which is scorching hot, and full of rocks. The

water

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should be stored there to become boiling hot.

Then

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, the hot

water

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should be pumped up through the production well, which has the same length. In the fourth step, the hot

water

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is raised up by a condenser and converted to steam.

Finally

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, the

last

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step is the turbine which is powered by steam and starts spinning. The turbine transfers the energy into the generator to produce electricity. And the generator will spread the electricity through the wires and machines.