You should spend about 20 minutes on this task. 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. Write at least 150 words.

The diagram illustrates the processes that a hydroelectric power station undergoes to produce electricity. It is evident from the diagram that the hydroelectric power station operates in a reverse direction at night to generate electricity. According to the diagram, there are two phases involved in electricity production. The first phase occurs during the day when […]