
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 ...
Nov 14, 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.
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 Energy - Education
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 …
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.
What is Hydroelectric Energy? | Green Mountain Energy
Hydroelectricity — also called hydroelectric energy or hydropower — is electricity that’s generated by either damming or diverting a body of water to harness the power of its movement. Like …
Hydropower Basics | NLR
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 …
How Hydroelectric Power Works - TVA.com
3 days ago · When water is released through the dam, it spins a turbine connected to a generator that produces electricity. The water returns to the river on the downstream side of the dam. …
What Is Hydroelectric Power & How Does It Work? - Gexa Energy
Jul 25, 2025 · Also known as hydroelectric power or hydroelectric energy, hydropower uses moving water to produce electricity. One of the oldest and largest renewable energy sources in …