Nieterana Power Station

Dam in Central Highlands, Tasmania
42°15′36″S 146°15′36″E / 42.26000°S 146.26000°E / -42.26000; 146.26000PurposePowerStatusOperationalOpening date1949 (1949)Owner(s)Hydro TasmaniaDam and spillwaysType of damArch damImpoundsUpper River DerwentHeight67 metres (220 ft)Length378 metres (1,240 ft)Dam volume159 thousand cubic metres (5.6×10^6 cu ft)Spillways1Spillway typeControlledSpillway capacity687 cubic metres per second (24,300 cu ft/s)ReservoirCreatesLake King WilliamTotal capacity539,340 megalitres (19,047×10^6 cu ft)Catchment area575 square kilometres (222 sq mi)Surface area41.45 hectares (102.4 acres)Nieterana Power StationCoordinates42°15′36″S 146°15′36″E / 42.26000°S 146.26000°E / -42.26000; 146.26000Operator(s)Hydro TasmaniaCommission date2004 (2004)TypeMini-hydroHydraulic head30 metres (98 ft)Turbines1 x 2.2-megawatt (3,000 hp)
Boving Fouress Bangalore Francis-type turbineInstalled capacity2.2 megawatts (3,000 hp)Capacity factor0.9Website
hydro.com.au/energy/our-power-stations/derwent-[1]

The Nieterana Power Station is a small hydroelectric power station located in the Central Highlands region of Tasmania, Australia.

Technical details

Part of the Derwent scheme that comprises eleven hydroelectric power stations, the Nieterana Power Station is the second station in the scheme. The power station is located aboveground at the foot of the concrete arched Clark Dam across the River Derwent that forms Lake King William. Water from the lake is fed to the Butlers Gorge Power Station, coupled to one of two discharge regulating valves to ensure water flow to Tarraleah Power Station located further downstream. The Nieterana Power Station takes advantage of the energy potential from water dissipating from the Butlers Gorge Power Station into Tarraleah No. 2 canal. The mini-hydro station can only be used when the Lake King William lake level is between 709.2 metres (2,327 ft) and 720.7 metres (2,365 ft).[2][3]

The power station was commissioned in 2004 by Hydro Tasmania and the station has one horizontal Boving Fouress Bangalore Francis turbine, with a generating capacity of 2.2 megawatts (3,000 hp) of electricity. The station output is fed to TasNetworks' transmission grid via an existing 11 kV/110 kV three-phase English Electric generator transformer to the outdoor switchyard.[2]

Nieterana is the aboriginal word for little brother.[3]

See also

  • iconRenewable energy portal
  • flagAustralia portal
  • iconWater portal

References

  1. ^ "Register of Large Dams in Australia". Dams information. Australian National Committee on Large Dams. 2010. Archived from the original (Excel (requires download)) on 12 December 2013. Retrieved 23 June 2015.
  2. ^ a b "Nieterana Power Station: Technical fact sheet" (PDF). Derwent Catchment. Hydro Tasmania. Archived from the original (PDF) on 24 September 2015. Retrieved 5 July 2015.
  3. ^ a b "Derwent: Nieterana Power Station". Energy. Hydro Tasmania. Retrieved 5 July 2015.[permanent dead link]
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