Place

Zambesi River - Zambia and Zimbabwe


Client

Zambezi River Authority (ZRA)


Year

2014 - in progress

Description for Batoka Gorge (Zambia)

Trans-boundary hydropower plant of 1'600 MW, equally shared among Zambia and Zimbabwe, foreseen on the Zambesi River, between Victoria Falls and the existing Lake Kariba.

Main Features

  • RCC arch-gravity dam (H = 181 m, L_crest = 767 m, V_rcc = 4 Mm³)
  • Spillway on dam (Q = 20'000 m³/s, No. 7 radial gates, W x H = 14 x 13 m)
  • No. 4 headrace tunnels (D = 8.9 m, L = 250 - 450 m)
  • No. 4 penstock shafts (D = 7 m, H = 120 m)
  • No. 2 power houses (No. 4 x 2 Francis turbines, Q = 1'000 m³/s, IP = 1'600 MW)
  • Transmission lines (L = 200 km @ 330 kV in Zambia, L = 140 km @ 420 kV in Zimbabwe)

Engineering Services

  • Pre-feasibility study (confirmation of layout)
  • Feasibility study
  • Tender design
  • Tender documents

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