| 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 |
1080 MW |
| South Bank |
1050 MW |