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REGISTRO ITALIANO DIGHE

Ufficio Periferico di Cagliari

versione italiana


 

Guri (or Raúl Leoni) Dam

 

 

Country

Venezuela (Bolívar)

River

Caronì

Dam type

The barrage is formed by a main concrete gravity dam and by two earth and rockfill closure dams on both sides of the main dam

Construction period

1963-1986

Structural height

162 m

Gross storage capacity

111,104 Mm³

Volume of the dam

85,818,000 m³ (8,031,000 m³ concrete, 77,787,000 m³ earth and rockfill)

Maximum controllable water surface

271.00 m a.s.l.

Maximum water surface

271.60 m a.s.l.

Crest elevation

272.00 m a.s.l.

Crest length

Main dam: 1,304 m; total: 7,426 m

Maximum discharge capacity

The spillway can discharge 29,000 m³/s at elevation 271.60 m, and 27,800 m³/s at elevation 271.00 m

Nameplate capacity of the powerplant

10,000 MW

Notes

Guri power plant is the world’s second largest operational hydroelectric plant (after Itaipu in Paraguay/Brazil).

The plant has the capacity to generate 50 TWh per year. This is the equivalent of 300,000 barrels of oil a day that enables compliance with the policy to replace thermal electricity with hydro electricity, in order to export liquid fuels or save them for other purposes.

Guri dam is named “Raúl Leoni”after a former Venezuela President. An image of Guri Dam appears on the Venezuelan five-thousand bolivar banknote.

 

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Ultimo aggiornamento: 4 agosto 2005