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

The diagram shows how

water

is used to generate electricity in a hydroelectric power station.

Overall

, the use of

water

is different during the

day

Correct your spelling

daytime

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time

and the

night

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nighttime

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time

.

Water

from the river is blocked by a dam and stored in a high-level

reservoir

. At the bottom of the dam, the intake is opened during the

day

while

it is

being

Unnecessary verb

apply

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closed at night. In the

day

Correct your spelling

daytime

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time

, once the intake is opened, the

water

flows into a tunnel and goes down to the power station. The force of the falling

water

makes the turbines

spinning

Wrong verb form

spin

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, activating the generator

while

the

water

keeps going to a

lower level

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lower-level

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reservoir

.

Then

, the electricity generated is transmitted to the national grid via power lines. In the night

time

,

water

from the lower level

reservoir

flows back into the turbines

then

pumped to flow the

water

back into the high-level

reservoir

through the same tunnel that

water

flows in the

day

time

.