Gordon Dam
The Gordon Dam, also known as the Gordon River Dam, is a major gated double curvature concrete arch dam with a controlled spillway across the Gordon River, located in Southwest National Park, Tasmania, Australia. The impounded reservoir is called Lake Gordon.
| Gordon Dam | |
|---|---|
The double arch wall of Gordon Dam holding back Lake Gordon | |
Location in Tasmania | |
| Country | Australia |
| Location | South West Tasmania |
| Coordinates | 42°43′50″S 145°58′35″E |
| Purpose | Power |
| Status | Operational |
| Construction began | 1964 |
| Opening date | 1978 |
| Owner(s) | Hydro Tasmania |
| Dam and spillways | |
| Type of dam | Arch dam |
| Impounds | Gordon River |
| Height | 140 m (459 ft) |
| Length | 198 m (650 ft) |
| Elevation at crest | 310 m above sea level |
| Width (crest) | 2.75 m (9 ft) |
| Width (base) | 17.7 m (58 ft) |
| Dam volume | 154×103 m3 (5×106 cu ft) |
| Spillways | no spillway on Lake Gordon, spill is via Lake Pedder at serpentine dam (250 cubic meters/second) |
| Spillway type | Controlled |
| Reservoir | |
| Creates | Lake Gordon |
| Total capacity | 12.4 km3 (3.0 cu mi) |
| Catchment area | 1,280 km2 (494 sq mi) |
| Surface area | 278 km2 (107 sq mi) |
| Gordon Power Station | |
| Coordinates | 42°43′48″S 145°58′12″E |
| Operator(s) | Hydro Tasmania |
| Commission date | 1978; 1988 |
| Type | Conventional |
| Turbines | 3 Fuji x 144 MW (193,107 hp) |
| Installed capacity | 432 to 450 MW (579,322 to 603,460 hp) |
| Capacity factor | 0.9 |
| Annual generation | 1,388 GWh (4,997 TJ) |
| Website hydro | |
The dam was constructed in 1974 by the Hydro Electric Corporation (TAS) for the purpose of generating hydro-electric power via the conventional Gordon Power Station located below the dam wall.
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