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Mupata Gorge Hydroelectric Scheme

Project Site Location

The proposed Devils Gorge HES is located on the Zambezi River and at the downstream end of the Mupata Gorge which lies between the Kariba and CaboraBassa Dams. The dam site is at Grid Reference ST 991-676 of the 1:50000 scale maps.

Background

The Mupata Gorge Dam site was initially investigated in 1981 by Merz& McLellan, in association with Sir Allexander Gibb and Coopers &Lybrand Associates. This assignment was under British Aid arrangements to carry out a feasibility study with a view to formulate a power development plan for the Government of Zimbabwe.

Project Description

Reservoir
Capacity 19.8 X 109 m3
Full Supply Level (FSL) 381 m
Surface Area @ FSL 1230 km2
Dam
Type Double Curvature ConcreteArch dam abutting onto a concrete gravity wing on the right bank.
Height 78 m
Crest Level 384 m
Crest Length 480 m
Spillway
Type 177.5 m long Central Overflow spillway controlled by radialgates.
No. of Gates 12
Width and Height 12.5 m wide x 12.5 m high
Cill Level 381 m
Design capacity 14400 m3/s
Power StationsType Two surface-located powerstations will be constructed one on each bank of the riverand just downstream of the dam.
Installed Capacity 1200 MW (8x150 MW)

Current Status

The scheme is currently not being developed but has been reserved as one of potential sites for future development.