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The El Chocón Dam ((スペイン語:La Presa de El Chocón)) is the fourth of the five dams on the Limay River in the northwestern Argentine Patagonia (the Comahue region), at above mean sea level. El Chocón is on the Limay River at about upstream of its confluence with the Neuquén River. El Chocón is used to regulate the flow of the Limay River, for irrigation, and for the generation of hydroelectricity. Its power station is the largest hydroelectric power plant in Patagonia, with a capacity of . It was built by the state-owned company Hidronor (Hidroeléctrica Norpatagónica). It started operating in 1973, and achieved full capacity in 1978. In the period 1974–1995 it produced an annual average of . In 1993 it was privatized, with an exploitation concession granted to Hidroeléctrica El Chocón S. A. While the formal name of the pr oject is ''Embalse Ezequiel Ramos Mexía'', in common use it ended up acquiring the name of the settlement that served as the construction's base of operations, Villa El Chocón (a small town, population 957, as of 2001). El Chocón is part of a larger engineering scheme that also includes the Cerros Colorados Complex, on the Neuquén River. The Hydroelectric Complex which holds El Chocón and Arroyito Hydroelectric Power Plants, is located in the region known as Comahue, which is formed by the Argentine provinces of Río Negro and Neuquén and the southern area of the Buenos Aires and La Pampa provinces. == Technical details == The dam is made of earth, with a concrete spillway. About of materials were used. It measures in length. Its maximum height over the river bed is . The reservoir has a maximum area of , a mean depth of (maximum ), and a maximum volume of . It is used for sailing, sport fishing and other forms of recreation by locals and tourists. The power plant has six vertical Francis turbines, with a nominal power of each, which rotate at . The apparent powers are of for each generator, and for each transformer. Material: Hidroeléctrica El Chocón S.A. 抄文引用元・出典: フリー百科事典『 ウィキペディア（Wikipedia）』 ■ウィキペディアで「El Chocón Dam」の詳細全文を読む スポンサード リンク
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