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Kariba HES Technical Data

Technical Data

Type

Double Curvature Concrete Arch

Height

128 metres

Crest Length

617 metres

Crest Thickness

13 metres

Base Thickness

24 metres

Volume of Concrete

1,036 million cubic metres

Spillway
6 No. Sluice gates

9.14 x 8.84 metres

Discharge Capacity

6 x 1574 cubic metres per second (at full supply level)

Plunge Pool
Depth

81 metres

Volume

335 x 103 cubic metres of water

Reservoir (at full supply level)
Length

280 kilometres

Width

32 kilometres (km) widest, (average 18 km)

Maximum Retention Level (MRL)

487.8 metres (above mean sea level)

Minimum Operating Level (MOL)

474.8 metres (above mean sea level)

Capacity at MRL

185 x 109 cubic metres

Mean Annual Evaporation

1.56 metres

Power Stations (Generating Capacity)
North Bank

6 x 180 MW = 1080 MW

South Bank

6 x 125 MW = 750 MW