Wilmot Power Station

Wilmot Dam
Location of the Wilmot Dam in Tasmania
Country Australia
Location North-western Tasmania
Coordinates 41°28′48.5″S 146°07′22.6″E / 41.480139°S 146.122944°E / -41.480139; 146.122944Coordinates: 41°28′48.5″S 146°07′22.6″E / 41.480139°S 146.122944°E / -41.480139; 146.122944
Purpose Power
Status Operational
Opening date 1970 (1970)
Owner(s) Hydro Tasmania
Dam and spillways
Type of dam Embankment dam
Impounds Wilmot River
Height 34 metres (112 ft)
Length 138 metres (453 ft)
Dam volume 122×10^3 m3 (4.3×10^6 cu ft)
Spillways 1
Spillway type Uncontrolled
Spillway capacity 1,104 m3/s (39,000 cu ft/s)
Reservoir
Creates Lake Gairdner
Total capacity 8,820 ML (311×10^6 cu ft)
Catchment area 158 km2 (61 sq mi)
Surface area 970 ha (2,400 acres)
Wilmot Power Station
Operator(s) Hydro Tasmania
Commission date 1971 (1971)
Type Conventional
Hydraulic head 241 metres (791 ft)
Turbines 1 x 32 MW (43,000 hp)
Fuji Francis turbine
Installed capacity 32 megawatts (43,000 hp)
Capacity factor 0.9
Annual generation 137 gigawatt-hours (490 TJ)
Website
hydro.com.au/energy/our-power-stations/mersey-forth
[1]

The Wilmot Power Station is a conventional hydroelectric power station located in north-western Tasmania, Australia.

Technical details

Part of the Mersey–Forth scheme that comprises eight hydroelectric power stations, the Wilmot Power Station is the fourth station in the scheme. The power station is located on the foreshore of Lake Cethana below the Wilmot Dam across the Wilmot River. Water from the Wilmot River is stored at Lake Gairdner and transferred via an intake structure located a short distance from the dam face, through a power tunnel, pipeline and surface penstock. Water then flows to Lake Cethana.[2]

The power station was commissioned in 1971 by the Hydro Electric Corporation (TAS) and the station has one turbine, with a generating capacity of 32 megawatts (43,000 hp) of electricity.

The station output, estimated to be 137 gigawatt-hours (490 TJ) annually,[1] is fed to TasNetworks' transmission grid via an 11 kV/220 kV Siemens generator transformer to the outdoor switchyard.[3]

See also

References

  1. 1 2 "Register of Large Dams in Australia" (Excel (requires download)). Dams information. Australian National Committee on Large Dams. 2010. Retrieved 23 June 2015.
  2. ↑ "Mersey - Forth". Energy. Hydro Tasmania. Retrieved 3 July 2015.
  3. ↑ "Wilmot Power Station: Technical fact sheet" (PDF). Mersey-Forth Catchment. Hydro Tasmania. Retrieved 3 July 2015.


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