Trevallyn Power Station
| Trevallyn Dam | |
|---|---|
Trevallyn Power Station (c1970) | |
Trevallyn Dam Location of the Trevallyn Dam in Tasmania | |
| Country | Australia |
| Location | Northern Midlands Tasmania |
| Coordinates | 41°26′24″S 147°04′48″E / 41.44000°S 147.08000°E |
| Purpose | Power |
| Status | Operational |
| Opening date | 1955 |
| Owner | Hydro Tasmania |
| Dam and spillways | |
| Type of dam | Gravity dam |
| Impounds | South Esk River |
| Height | 33 metres (108 ft) |
| Length | 177 metres (581 ft) |
| Dam volume | 61 thousand cubic metres (2.2×106 cu ft) |
| Spillways | 1 |
| Spillway type | Uncontrolled |
| Spillway capacity | 8,500 cubic metres per second (300,000 cu ft/s) |
| Reservoir | |
| Creates | Lake Trevallyn |
| Total capacity | 12,330 megalitres (435×106 cu ft) |
| Catchment area | 8,986 square kilometres (3,470 sq mi) |
| Surface area | 14.8 hectares (37 acres) |
| Trevallyn Power Station | |
| Coordinates | 41°25′12″S 147°06′36″E / 41.42000°S 147.11000°E |
| Operator | Hydro Tasmania |
| Commission date | 1955 |
| Type | Run-of-the-river |
| Hydraulic head | 130 metres (430 ft) |
| Turbines |
|
| Installed capacity | 95.8 megawatts (128,500 hp) |
| Capacity factor | 0.8 |
| Annual generation | 492 gigawatt-hours (1,770 TJ) |
| Website hydro | |
The Trevallyn Power Station is a run-of-the-river hydroelectric power station located in the northern Midlands & West Tamar region of Tasmania, Australia. The power station is situated on the Great Lake and South Esk catchment and is owned and operated by Hydro Tasmania.