Guri Dam, 24,364 ft (7,426 m) long and 531 ft (162 m) high, on the Caroní River, Bolívar state, SW Venezuela. Built in phases between 1963 and 1986, the dam consists of a central concrete gravity dam with earthen embankment dams on both sides. It impounds the 1,640-sq-mi (4,250-sq-km) Guri Reservoir, with a capacity of more than 110 million acre-ft (135 billion cu m). The Símon Bólivar power station immediately below the dam generates more than 10,000 MW and supplies some 70% of the country's electricity. It is the second largest hydroelectric plant in South America, exceeded only by that at the Itaipú Dam.
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