
Hydroelectricity - Wikipedia
Hydroelectricity, or hydroelectric power, is electricity generated from hydropower (water power). Hydropower supplies 15% of the world's electricity, almost 4,210 TWh in 2023, [1] which is …
Hydroelectric power | Definition, Renewable Energy, Advantages ...
Sep 18, 2025 · Hydroelectric power is a form of renewable energy in which electricity is produced from generators driven by turbines that convert the potential energy of moving water into …
How Hydropower Works | Department of Energy
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.
Hydroelectric Energy - Education
Oct 19, 2023 · 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 …
Hydropower explained - U.S. Energy Information Administration …
Hydropower was one of the first sources of energy used for electricity generation, and until 2019, hydropower was the leading source of total annual U.S. renewable electricity generation.
Hydroelectric Power: How it Works | U.S. Geological Survey
Jun 6, 2018 · Falling water produces hydroelectric power. So just how do we get electricity from water? Actually, hydroelectric and coal-fired power plants produce electricity in a similar way.
Hydroelectric Power 101 - EnvironmentalScience.org
Hydroelectric power uses the kinetic energy of moving water to produce electricity. It's the most widely used form of renewable energy, generating 19% of electricity worldwide (1).
Hydropower Basics | NREL
Oct 8, 2025 · Hydropower is energy created from fresh, moving water. Over 2,000 years ago, the ancient Greeks used the power in rivers and streams to rotate wooden wheels and crush grain …
Hydroelectric Power Generation - Mechanisms, Types and …
Jun 30, 2025 · Hydroelectric power generation is a method of storing the potential energy of water by installing dams on rivers and other means, and using this energy to rotate water turbines to …
Hydroelectric Energy: The Power of Running Water - Education
Jun 21, 2024 · To create electricity, water is channeled through tunnels in the dam. The power of the water causes turbines to turn. The turbines make generators move. Generators are …