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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 illustration below provides an overview of how the hydroelectric power station generates electricity. It shows that the station uses water energy flowing from a high level to a low level and different functionality during morning and night-time. Generally speaking, this process involves 5 different stages to work correctly. In addition, the power plant requires water as a source to generate electricity. The river acts as a source of water to ensure that the power station functions efficiently. During the day, the intake under the dam is open which allows water in the high-level reservoir to go through the next phase. After that, water flows to the power station where the generator located in. The generator operated by reversible turbines that transfer water flowing energy to the mechanical force which is the power of the generator. The generated electricity then moves to the national grid through the power lines. In the nighttime, the power station works in a reversed way. The water from the low-level reservoir flows into the same reversible turbines and it pumps water into the high-level reservoir to ensure the water is sufficient for morning operation.
The illustration below provides an overview of how the hydroelectric
You use this word too often, consider replacing it with
power
You use this word too often, consider replacing it with
station
generates electricity. It
This phrase/word (depending on the context) can be potentially replaced with :
shows
that the
You use this word too often, consider replacing it with
station
This phrase/word (depending on the context) can be potentially replaced with :
uses
You use this word too often, consider replacing it with
water
energy flowing from a high level to a low level and
This phrase/word is too simple and can be replaced with:
different
functionality during morning and night-time.

Generally
speaking, this process involves 5
This phrase/word is too simple and can be replaced with:
different
stages to work
correctly
.
In addition
, the
You use this word too often, consider replacing it with
power
plant requires
You use this word too often, consider replacing it with
water
as a source to generate electricity.

The river acts as a source of
You use this word too often, consider replacing it with
water
to ensure that the
You use this word too often, consider replacing it with
power
You use this word too often, consider replacing it with
station
functions
efficiently
. During the day, the intake under the dam is open which
This phrase/word (depending on the context) can be potentially replaced with :
allows
You use this word too often, consider replacing it with
water
in the high-level reservoir to go through the
next
phase. After that,
You use this word too often, consider replacing it with
water
flows to the
You use this word too often, consider replacing it with
power
You use this word too often, consider replacing it with
station
where the generator located in. The generator operated by reversible turbines that transfer
You use this word too often, consider replacing it with
water
flowing energy to the mechanical force which is the
You use this word too often, consider replacing it with
power
of the generator. The generated electricity then
This phrase/word (depending on the context) can be potentially replaced with :
moves
to the national grid through the
You use this word too often, consider replacing it with
power
lines.

In the nighttime, the
You use this word too often, consider replacing it with
power
You use this word too often, consider replacing it with
station
works in a reversed way. The
You use this word too often, consider replacing it with
water
from the low-level reservoir flows into the same reversible
Use a comma before ‘and’ if it connects two independent clauses (unless they are closely connected and short).
turbines and
it pumps
You use this word too often, consider replacing it with
water
into the high-level reservoir to ensure the
You use this word too often, consider replacing it with
water
is sufficient for morning operation.
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IELTS academic The diagram below shows how electricity is generated in a hydroelectric power station.

Academic
  American English
4 paragraphs
189 words
6.5
Overall Band Score
Coherence and Cohesion: 7.0
  • Structure your answers in logical paragraphs
  • ?
    One main idea per paragraph
  • ?
    Include an introduction and conclusion
  • ?
    Support main points with an explanation and then an example
  • Use cohesive linking words accurately and appropriately
  • ?
    Vary your linking phrases using synonyms
Lexical Resource: 5.5
  • Try to vary your vocabulary using accurate synonyms
  • Use less common question specific words that accurately convey meaning
  • Check your work for spelling and word formation mistakes
Grammatical Range: 6.0
  • Use a variety of complex and simple sentences
  • Check your writing for errors
Task Achievement: 6.5
  • Answer all parts of the question
  • ?
    Present relevant ideas
  • Fully explain these ideas
  • ?
    Support ideas with relevant, specific examples
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