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Hydroelectric energy, also called hydroelectric power or hydroelectricity, is a form of energy that harnesses the power of water in motion—such as water flowing over a waterfall—to generate electricity. People have used this force for millennia.
hydroelectric power, electricity produced from generators driven by turbines that convert the potential energy of falling or fast-flowing water into mechanical energy.
Hydropower is a method of sustainable energy production. Hydropower is now used principally for hydroelectric power generation, and is also applied as one half of an energy storage system known as pumped-storage hydroelectricity.
Hydropower, or hydroelectric power, is a renewable source of energy that generates power by using a dam or diversion structure to alter the natural flow of a river or other body of water.
What is Hydropower? Hydropower, or hydroelectric power, is one of the oldest and largest sources of renewable energy, which uses the natural flow of moving water to generate electricity.
Hydroelectricity, or hydroelectric power, is electricity generated from hydropower (water power). Hydropower supplies 14% of the world's electricity, almost 4,210 TWh in 2023, [1] which is more than all other renewable sources combined and also more than nuclear power. [2]
Hydroelectric energy is power made by moving water. “Hydro” comes from the Greek word for water.
How does flowing water make electricity? An engineer explains hydroelectric generation.
Hydropower is one of the oldest sources of energy for producing mechanical and electrical energy, and up until 2019, it was the largest source of total annual U.S. renewable electricity generation. Thousands of years ago, people used hydropower to turn paddle wheels on rivers to grind grain.
Hydropower is a type of renewable energy that uses the power of water flows to generate electricity. The energy that is generated by hydropower plants is clean, reliable, and sustainable, making it a relevant low-carbon alternative to fossil fuels in the fight against climate change.