Canyon Dam (Sri Lanka)
| Canyon Dam | |
|---|---|
 Location of Canyon Dam in Sri Lanka
|
|
| Country | Sri Lanka |
| Location |
Laxapana Falls, Central Province |
| Coordinates | 06°52′18″N 80°31′34″E / 6.87167°N 80.52611°ECoordinates: 06°52′18″N 80°31′34″E / 6.87167°N 80.52611°E |
| Purpose | Power |
| Status | Operational |
| Opening date | February 1974 |
| Owner(s) | Ceylon Electricity Board |
| Dam and spillways | |
| Type of dam | Arch-gravity dam |
| Impounds | Maskeliya Oya |
| Reservoir | |
| Creates | Canyon Reservoir |
| Maximum length | 450 m (1,480 ft) |
| Maximum width | 350 m (1,150 ft) |
| Power station | |
| Name | New Laxapana Hydroelectric Power Station |
| Coordinates | 06°55′05″N 80°29′31″E / 6.91806°N 80.49194°E |
| Type | Conventional |
| Turbines | 2 × 50 MW |
| Installed capacity | 100 MW |
The Canyon Dam is a large arch-gravity dam built across the Maskeliya Oya, 4.5 km (2.8 mi) upstream of the iconic Laxapana Falls, in the Central Province of Sri Lanka. The associated power station plays a major role in the national power grid, due to its significant output.
The dam creates the relatively small Canyon Reservoir, measuring at 450 m (1,480 ft) and 350 m (1,150 ft) in its longest length and width, respectively. The reservoir's primary source of water is the Maskeliya Oya, with additional water discharged from the Canyon Hydroelectric Power Station, located at the same site.
Water from the Canyon Reservoir is further transferred through a to the New Laxapana Hydroelectric Power Station, located 7 km (4.3 mi) downstream, at 06°55′05″N 80°29′31″E / 6.91806°N 80.49194°E, 1.5 km (0.9 mi) northwest of Kiriwan Eliya. The power station consists of two hydroelectric generators of 50 MW each, both of which were commissioned in February 1974.
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