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, ZESCO– Zambia 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 |