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. This is …

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.

Apr 20, 2023 · 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.

Nov 14, 2025 · hydroelectric power, electricity produced from generators driven by turbines that convert the potential energy of falling or fast-flowing water into mechanical energy.

There are four main types of hydropower plants: run-of-river, storage, pumped storage and offshore hydropower. Only a small minority of the world's dams are built for hydropower, with …

Hydropower, also known as hydroelectricity, is a semi-renewable resource that uses the flow of water to generate electricity. We categorize this resource as semi-renewable, because it must …

Hydropower is essential to our clean energy future. Solar, wind and battery storage may grab the headlines, yet a simple truth is often overlooked: we can’t achieve deep decarbonization of our …

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 …

About IRENA The International Renewable Energy Agency (IRENA) is an intergovernmental organisation that supports countries in their transition to a sustainable energy future, and …

What is hydropower? The power of water has been used to perform work for thousands of years. Since flowing water has energy that can be captured and turned into electricity, hydroelectric …