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| Upper Kotmale Dam | |
|---|---|
.jpg) The dam in March 2018. | |
  Location of Upper Kotmale Dam in Sri Lanka | |
| Official name | Upper Kotmale Dam |
| Country | Sri Lanka |
| Location | Talawakele, Nuwara Eliya |
| Coordinates | 06°56′48″N 80°39′29″E / 6.94667°N 80.65806°E |
| Purpose | Power Generation |
| Status | Operational |
| Construction began | 2003 |
| Opening date | 2012 |
| Construction cost | Rs. 44 billion |
| Owner(s) | Ceylon Electricity Board |
| Dam and spillways | |
| Type of dam | Gravity dam |
| Impounds | Kotmale River |
| Height (foundation) | 35 m (115 ft) |
| Length | 180 m (591 ft) |
| Width (crest) | 7 m (23 ft) |
| Spillways | 5 |
| Spillway capacity | 3,300 m3/s (116,538.4 cu ft/s) |
| Reservoir | |
| Creates | Upper Kotmale Reservoir |
| Total capacity | 800,000 m3 (28,000,000 cu ft) |
| Surface area | 250,000 m2 (2,690,978 sq ft) |
| Upper Kotmale Power Station | |
| Coordinates | 07°02′32″N 07°12′00″E / 7.04222°N 7.20000°E |
| Commission date | 14 July 2012 |
| Type | Run-of-the-river |
| Turbines | 2 × 75 MW Francis-type |
| Installed capacity | 150 MW |
| Annual generation | 409 GWh |
| Website https://ceb.lk/ | |
The Upper Kotmale Dam (also known as the Upper Kotmale Hydropower Project, or UKHP) is located in Talawakele, within the Nuwara Eliya District, in the Central Province of Sri Lanka. The dam feeds the third largest hydroelectric power station in the country.