Devils Gate Power Station
| Devils Gate Dam | |
|---|---|
 The Devils Gate Dam double arch wall | |
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| Country | Australia |
| Location | North-western Tasmania |
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| Purpose | Power |
| Status | Operational |
| Opening date | 1969 |
| Owner | Hydro Tasmania |
| Dam and spillways | |
| Type of dam | Arch dam |
| Impounds | Forth River |
| Height | 84 metres (276 ft) |
| Length | 134 metres (440 ft) |
| Dam volume | 31 thousand cubic metres (1.1×106 cu ft) |
| Spillways | 1 |
| Spillway type | Uncontrolled |
| Spillway capacity | 2,040 cubic metres per second (72,000 cu ft/s) |
| Reservoir | |
| Creates | Lake Barrington |
| Total capacity | 179,940 megalitres (6,355×106 cu ft) |
| Catchment area | 742 square kilometres (286 sq mi) |
| Surface area | 66.5 hectares (164 acres) |
| Devils Gate Power Station | |
| Operator | Hydro Tasmania |
| Commission date | 1969 |
| Type | Conventional |
| Hydraulic head | 68 metres (223 ft) |
| Turbines | 1 x 63 MW (84,000 hp) Boving Francis turbine |
| Installed capacity | 63 megawatts (84,000 hp) |
| Capacity factor | 0.8 |
| Annual generation | 314 gigawatt-hours (1,130 TJ) |
| Website hydro | |
| [1] | |
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The Devils Gate Power Station is a conventional hydroelectric power station located in north-western Tasmania, Australia. The dam is 84 metres (276 ft) high. It is one of the thinnest concrete arch dams in the world.[2]
Technical details
[edit | edit source]Part of the Mersey–Forth scheme that comprises seven hydroelectric power stations, the Devils Gate Power Station is the sixth station in the run-of-river scheme. The power station is located below the double-arched concrete Devils Gate Dam which forms Lake Barrington. Water from the lake is fed to the power station by a 150-metre (490 ft) single penstock tunnel.[3][4]
The power station was commissioned in 1969 by the Hydro Electric Corporation and has one Boving Francis turbine, with a generating capacity of 63 megawatts (84,000 hp) of electricity.[5] The station output, estimated to be 314 gigawatt-hours (1,130 TJ) annually,[1] is fed to TasNetworks' transmission grid via an 11 kV/110 kV Siemens generator transformer to the outdoor switchyard.[6]
Recreation
[edit | edit source]Lake Barrington hosted the 1990 World Rowing Championships.[7]
Engineering heritage
[edit | edit source]The dam received a Historic Engineering Marker from Engineers Australia as part of its Engineering Heritage Recognition Program.[2]
References
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- ^ The Hydro after 100 Years EHA Magazine March 2015 page 19
- ^ Lua error in Module:Citation/CS1/Configuration at line 2172: attempt to index field '?' (a nil value).
- ^ 1990 World Rowing Championships World Rowing