HYDRO definition: hydroelectric power. See examples of hydro used in a sentence. 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 sources combined and also more than nuclear power. [2]. 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. Michael had a life-long dream of starting a business with gardening, and Natalie was eager to help. 10 years later they have created a thriving business, and have accumulated expert knowledge over the years. Hydro is a leading aluminum and renewable energy company that builds businesses and partnerships for a more sustainable future. We have 32,000 employees in more than 140 locations and 40 countries. We are a global company who provide advanced products, services and expertise to help municipal, industrial and construction customers to improve their water management processes, increase operational performance and reduce environmental impact. 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 mechanical energy. Hydroelectric power plants usually are located in dams that impound rivers, though tidal and wave action is used in some coastal areas. 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 achieved by converting the gravitational potential or kinetic energy of a water source to produce power. [1] Hydropower is a method of sustainable energy production. Hydropower is now used principally. Hydro is a leading aluminium and renewable energy company that builds businesses and partnerships for a more sustainable future. We have 32,000 employees in more than 140 locations and 40 countries.