Line graph.
1. The line chart can clearly show the changing trend of electricity generation over time by connecting the data point lines, which is helpful for observing and analyzing the electricity generation and changes of power devices. hydroelectricity production at different periods. .
2. For hydroelectric power plants, water level and water flow will be affected by seasonality and periodicity, thereby affecting electricity generation. The line chart can highlight this cyclical change and help people understand and predict seasonal fluctuations. .