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Diversion dams are one of three classifications of dams which include: storage dams, detention dams, and diversion dams. Storage dams are used to store water for extended lengths of time. The stored water then can be used for irrigation, livestock, municipal water supply, recreation, and hydroelectric power generation.
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 energy within the moving water propels a power generator and thereby creates electricity.
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 ]
Impoundment and diversion hydroelectric power plants operate similarly in that each involves creating a barrier to keep water from flowing at an uncontrollable rate, and then controlling the flow rate of water to pass through turbines to create electricity at an ideal level.
Poe Dam is a concrete gravity diversion dam on the North Fork Feather River, about 5 miles (8.0 km) north of Lake Oroville in Butte County, California in the United States. Completed in 1959, the dam is the lowermost component of the Pacific Gas and Electric Company 's Feather River Canyon Power Project, a system of 10 hydroelectric stations ...
Plants that do not use pumped storage are referred to as conventional hydroelectric plants; conventional hydroelectric plants that have significant storage capacity may be able to play a similar role in the electrical grid as pumped storage if appropriately equipped.
Hydropower technology and attitude began to shift in the second half of the 20th century. While countries had largely abandoned their small hydropower systems by the 1930s, the smaller hydropower plants began to make a comeback in the 1970s, boosted by government subsidies and a push for more independent energy producers. [56]
The water for the original Folsom hydroelectric plant was obtained from a diversion dam, 650 feet (200 m) long, 24 feet (7.3 m) wide at the top; 87 feet (27 m) wide at the bottom and 89 feet (27 m) tall, across the American River built in the 1890s. The dam diverted a large stream of water into a 2.5 miles (4.0 km) long diversion canal—the ...