20 Nov 2019 17:25pm
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Kafue Gorge Hydroelectric Power Plant, Zambia

 

 

Kafue Gorge HPP was constructed on the Kafue River. HPP structures: the powerhouse, transformer station, headrace tunnel, tailrace tunnel and vertical shafts were executed in granite massif using underground excavation method.

 

Employer

Zambia, ZESCOZambia Electricity Supply Corporation, Lusaka

Hydroelectric power plant

underground power house

135.0 x 16.0 x 27.0

m

turbines

6

pcs

rated power

900

MW

substation

transformer station

125.0 x 17.0 x 18.0

m

Headrace tunnel

length

10,600

m

tunnel mouth

117

m2

access tunnels length

850

m

Tailrace tunnel

length

1,500

m

tunnel mouth

117

m2

vertical shafts (six shafts)

length

6 x 430.0

m

penstock diameter

3.30 and 2.75

m

access tunnel length

700

m

Cables and lift shafts

length

530

m

cross-section area

29

m2

Tunnel boring

excavation in hard rock

1.85 x 106

m3