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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 ]
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 more than all other renewable sources combined and also more than nuclear power . [ 2 ]
Previous upstream dams and reservoirs were part of the 1980s James Bay Project. There are also small and somewhat-mobile forms of a run-of-the-river power plants. One example is the so-called electricity buoy, a small floating hydroelectric power plant. Like most buoys, it is anchored to the ground, in this case in a river.
The Edersee Dam in Hesse, Germany. A dam is a barrier that stops or restricts the flow of surface water or underground streams. Reservoirs created by dams not only suppress floods but also provide water for activities such as irrigation, human consumption, industrial use, aquaculture, and navigability.
To supply water to Plant 1 and 2, a weir with a height ranging 4–16 ft (1.2–4.9 m) creates a small reservoir. The intake for Plant 1 is located just above the left abutment of the weir. Water from the intake enters a 280 ft (85 m) long and 7 ft (2.1 m) diameter vertical penstock which supplies water to the plant. Plant 1 is located in a ...
The water differential created by the dam produced mechanical hydropower for industrial uses in Holyoke, and later hydroelectric power. The current dam is the third structure to be built across the Great Falls at South Hadley.
The largest dam removal project in U.S. history has freed the Klamath River, inspiring hope among Indigenous activists who pushed for rewilding to help save salmon. ... including dams and water ...
Thomson Dam, also known as the Thomson Hydro Station [1] or Thomson Water Project, [6] is an embankment and concrete gravity dam on the Saint Louis River near the town of Thomson in northeastern Minnesota, United States.