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Hydropower, also known as hydroelectric power, is a form of renewable energy that captures the energy from moving water to generate electricity. This process typically involves the construction of dams on large rivers, where the stored water in a reservoir is released through turbines. The motion of the water spins the turbines, which then activate generators to produce electricity. Hydropower is a clean, sustainable, and efficient source of energy that has been in use for centuries and remains a major contributor to the global power supply.

In addition to its primary role in electricity generation, hydropower offers several other benefits. It provides a means of water management through the control of water flow, which can be crucial for flood mitigation, irrigation, and ensuring a reliable water supply. Furthermore, hydropower projects often create recreational opportunities, such as lakes and water-based activities, and can stimulate local economies by creating jobs and supporting infrastructure development.

While hydropower is a vital component of the renewable energy mix, it is important to consider and address its environmental impacts. These may include ecosystem disruption, fish migration barriers, and changes in water quality. Advances in technology and sustainable practices aim to minimize these drawbacks, ensuring that hydropower remains a key player in our transition to a greener and more sustainable energy future.