The diagram below shows how electricity is generated in a hydroelectric power station. Summarize the information by selecting and reporting the main features, and make comparisons where relevant.

The figure illustrates the process by which hydropower is used to generate

electricity

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at the

power

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station.

Overall

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, there are three stages in the process, commencing with the collection of

water

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in the river and culminating with the generation of

electricity

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at the

power

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plant. Looking closer at the diagram, we can see that

water

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in the river flows into the dam, which operates differently between day and night. During the day, the flow of

water

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runs to the

power

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station, which is responsible for generating

electricity

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through the operation of the renewable turbines pumping

water

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to the generator.

This

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machine produces

electricity

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, which leads to the

power

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lines that serve households, schools, hospitals, and factories. During the night, the reversible turbines work to pump

water

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back from low-level reservoirs to high-level reservoirs.