Category: En_Ren_Hydropower_KEY

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The Champlain Hudson Power Express (Chpe) Project

The Champlain Hudson Power Express Project is a 333-mile, buried transmission line that will bring up to 1,000 megawatts (mw) of clean, renewable energy to the New York City metropolitan area. 1,000 mw is enough power to serve approximately one million residential customers


Environmental Impacts of Hydroelectric Power

Hydroelectric power includes both massive hydroelectric dams and small run-of-the-river plants. Large-scale hydroelectric dams continue to be built in many parts of the world (including China and Brazil), but it is unlikely that new facilities will be added to the existing U.S. fleet in the future.


How Hydroelectric Energy Works

By taking advantage of gravity and the water cycle, we have tapped into one of nature’s engines to create a useful form of energy. In fact, humans have been capturing the energy of moving water for thousands of years.



Hydropower is energy derived from flowing water. More than 2,000 years ago, the ancient Greeks used waterpower to run wheels for grinding grain; today it is among the most cost-effective means of generating electricity and is often the preferred method where available. In Norway, for example, 99% of electricity comes from hydropower.


Hydropower, explained

Humans have been harnessing the energy of river currents for centuries, using water wheels spun by rivers initially to process grains and cloth. Today, hydropower provides about 16 percent of the world’s electricity, generating power in all but two U.S. states.


Hydroelectric Power: How it Works

So just how do we get electricity from water? Actually, hydroelectric and coal-fired power plants produce electricity in a similar way. In both cases a power source is used to turn a propeller-like piece called a turbine, which then turns a metal shaft in an electric generator, which is the motor that produces electricity. A coal-fired power plant uses steam to turn the turbine blades; whereas a hydroelectric plant uses falling water to turn the turbine. The results are the same.



To be sure, each megawatt of power we add would have a positive impact on the communities we serve – leading to a healthier America. For example, 50 by 2050 means nearly 5 million fewer cases of acute respiratory symptoms and 750,000 fewer cases of childhood asthma.


Benefits of Hydropower

Hydropower is fueled by water, so it’s a clean fuel source, meaning it won’t pollute the air like power plants that burn fossil fuels, such as coal or natural gas.


Hydropower is energy in moving water

People have a long history of using the force of water flowing in streams and rivers to produce mechanical energy. Hydropower was one of the first sources of energy used for electricity generation and and until 2019, hydropower was the largest source of total annual U.S. renewable electricity generation.


International Hydropower Association

Our mission is to advance sustainable hydropower by building and sharing knowledge on its role in renewable energy systems, responsible freshwater management and climate change solutions. We recognise that the world is changing, and a mixture of expertise and experience is needed to progress; we cannot achieve our vision without building and sharing knowledge. We use our global reach to seek out and champion best practices in sustainable hydropower development, and to cultivate a vibrant, inclusive and proactive hydropower community.