The Central Hidroeléctrica Simón Bolívar, also called Guri dam, and formerly known as Central Hidroeléctrica Raúl Leoni (from 1974 until 2006, when it renamed by Presidential Decree) is located in Bolivar State, in the Necuima Canyon, 100 km upstream of the mouth of the Caroní on the Orinoco. Specifically, it is about 100 kilometers south of the mouth of this river in the Orinoco.

The generation of this plant exceeds 50,000 GWh a year, able to supply an equivalent consumption close to the 300,000 barrels per day of oil, which has allowed to comply with the policy of substitution of thermoelectricity by hydroelectricity issued by the Government of Venezuela, with the purpose of saving liquid fuels that can be used to export or its conservation for other purposes. The energy produced by the dam is consumed by large parts of the country, including fueling part of the city of Caracas, also intends to sell a portion of this energy to Brazil.

The artificial lake or reservoir formed behind the dam is called Guri dam.