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Evaluating the Efficiency of Hydropower as an Alternative Energy Source and its Effects on the Ecosystem Dr. Raj Shah, Ms. Sharika Hoque, Mr. Stanley Zhang | Koehler Instrument Company Introduction  Humans have been utilizing the abundance of water for thousands of years. For example, the ancient Greeks used water mills as a form of hydroelectric power to grind wheat into flour and perform other tasks. Today, hydroelectricity accounts for 73% of global renewable energy generation through three main hydropower facilities: impoundment dams, run-of-the-river dams, and pumped storage facilities. The most common type of hydroelectric power plant is an impoundment facility. This type of plant uses a dam to store river water and then releases the water into a turbine which causes it to spin. Unfortunately, dams can potentially disrupt the river ecosystems on which they are built on, but modifications can be made to limit these harmful effects.

New yorkUnited statesStony brookUnited kingdomCity ofYellow riverChina generalSanto antonioEspíto santoPacific oceanStanley zhangSharika hoqueRaj shahKoehler instrument companyUs department of energyEnergy institute