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The BPA is the designated marketer for 31 hydroelectric dams and the Columbia Generating Station, a nuclear power plant at the Hanford Site. The dams are owned and operated by either the Army Corps of Engineers (21 dams) or the Bureau of Reclamation (10 dams). [1]
The German government did not set out building large dams such as the prewar Urft, Mohne, and Eder dams to expand hydropower: they mostly wanted to reduce flooding and improve navigation. [93] However, hydropower quickly emerged as a bonus for all these dams, especially in the coal-poor south.
Hydropower can provide large amounts of low-carbon electricity on demand, making it a key element for creating secure and clean electricity supply systems. [2] A hydroelectric power station that has a dam and reservoir is a flexible source, since the amount of electricity produced can be increased or decreased in seconds or minutes in response ...
The dam supplies water to two adjacent hydroelectric power generating stations, the United States' 912 MW St. Lawrence-Franklin D. Roosevelt Power Project and Canada's 1,045 MW R.H. Saunders Generating Station. Constructed between 1954 and 1958 as part of the larger Saint Lawrence Seaway project, the dam created Lake St. Lawrence.
Bahasa Indonesia: Diagram skematik pembangkit listrik tenaga air (PLTA) English : Schematic diagram of Hydroelectric power plant Español : Recorrido del agua dentro de una central hidroeléctrica
The components of the facility have to exclude the conduit, the associated transmission lines, cannot be “an integral part of a dam”, cannot use a dam to supply its hydrostatic head, and cannot be located on Federal lands. The hydroelectric potential to generate the electricity must be supplied by a conduit.
The amount of hydroelectric power generated is strongly affected by changes in precipitation and surface runoff. [4] Hydroelectric stations exist in at least 34 US states. The largest concentration of hydroelectric generation in the US is in the Columbia River basin, which in 2012 was the source of 44% of the nation's hydroelectricity. [5]
The Hoover Dam in Arizona and Nevada was the first hydroelectric power station in the United States to have a capacity of at least 1,000 MW upon completion in 1936. Since then numerous other hydroelectric power stations have surpassed the 1,000 MW threshold, most often through the expansion of existing hydroelectric facilities.