Answer:
Dams and resevoirs produce hydel or hydroelectric power
Step-by-step explanation:
Hydropower or hydral power system uses a dam to store river water in a reservoir. Water released from the reservoir flows through a turbine, spinning it, which in turn activates a generator to produce electricity. This energy is also called Hydroelectric energy which is considered a renewable energy resource because it's an energy resource that regenerates in a short time period.