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 (from Ancient Greek ὑδρο -, "water"), also known as water power or water energy, is the use of falling or fast-running water to produce electricity or to power machines.

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.

Jun 12, 2026 · hydroelectric power, electricity produced from generators driven by turbines that convert the potential energy of falling or fast-flowing water into mechanical energy.

Hydropower – also known as hydroelectric power – is a renewable, reliable, versatile and low cost source of clean electricity generation and responsible water management.

At hydropower plants water flows through a pipe, or penstock, then pushes against and turns blades in a turbine that spin to power a generator to produce electricity.

Hydroelectricity, or hydroelectric power, is electricity generated from hydropower. Hydropower supplies 15% of the world's electricity, almost 4,210 TWh in 2023, [1] which is more than all other renewable …

Hydropower is electricity generated by moving water. It works by channeling water through turbines that spin a generator, converting the kinetic energy of flowing or falling water into electrical power.

Across the country, hydropower is an economic anchor, providing high-paying and skilled jobs in communities that need them most. By generating affordable, reliable, baseload power, hydropower …

What is hydropower? Learn its key benefits, how it works and the role hydropower plays in the global energy transition to clean electricity.