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 diagram illustrates the various stages involved in the

process

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of

electricity

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through

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generation through

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the use of geothermal energy.

Overall

Linking Words

, it is a

process

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that consists of five main stages, beginning with the pumping of cold water from the surface of the earth and ending with the

electricity

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generated by the generator

is

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being

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transferred to the power grid for consumption.

To begin

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with, the

process

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starts at stage 1, where cold water is pumped from the surface of the earth down into a 4.5

kilometer-deep

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4.5-kilometre-deep

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injection well.

Following

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this

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, it is transferred to the geothermal zone, a soil composed of hot rocks, before reaching the production well, which is a vertical pipe similar to the injection well but a bit wider. The

process

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continues with the hot water

is

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being

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pumped up through the production well into a condenser on the

surface

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surface,

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where it is converted into steam, following which it is used to power a turbine and rotate it.

This

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turbine is connected to an

electricity

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generator

which

Punctuation problem

, which

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, when rotated by the turbine, produces

electricity

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.

Finally

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, when the

electricity

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generated by the generator is transferred to the power grid for consumption by end users.