Place

Rio Guayllabamba - Ecuador


Client

Hidroequinoccio HEQ S.A.


Year

2009 - 2012

Description for Chespi (Ecuador)

Chespi is the first hydroelectric project of the Guayllabamba cascade with an installed power of 468 MW.

Main Features

  • Reservoir (V = 2,3 Mm³)
  • Arch dam (H = 68 m, L_crest = 144 m, V = 45.000 m³)
  • Headrace tunnel (L = 18,3 Km, D = 5,4 m)
  • Tailrace tunnel (L = 6,3 Km, D = 6,4 m)
  • Surge Shaft (H = 123 m, D = 15 m)
  • Penstock (L = 1'000 m, D = 4-3,4 m)
  • Underground power house (No. 4 Pelton turbines, IP = 117 MW each)

Engineering Services

  • Investigation
  • Preliminary Design
  • Final Design
  • Detailed Design
  • Tender Documents

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