What are the disadvantages of hydroelectric energy?

disrupts habitats

flooding

lack of sites

political conflict

may produce hazardous materials

sites may stop producing energy

it is expensive to build or maintain

The disadvantages of hydroelectric energy would be the disruption of habitats, flooding, lack of sites and that sites may stop producing energy. The most common type of hydroelectric power plant uses a dam on a river to store water in a reservoir. Water released from the reservoir flows through a turbine, spinning it, which in turn activates a generator to produce electricity.