Cluny Power Station

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Cluny Dam
Relief Map of Tasmania.png
Red pog.svg
Location of the Cluny Dam in Tasmania
CountryAustralia
Location Central Highlands Tasmania
Coordinates 42°30′00″S146°38′24″E / 42.50000°S 146.64000°E / -42.50000; 146.64000
Purpose Power
StatusOperational
Opening date1967 (1967)
Owner(s) Hydro Tasmania
Dam and spillways
Type of dam Arch dam
Impounds River Derwent
Height30 metres (98 ft)
Length204 metres (669 ft)
Dam volume28 thousand cubic metres (990×10^3 cu ft)
Spillways 1
Spillway type Uncontrolled
Spillway capacity4,248 cubic metres per second (150,000 cu ft/s)
Reservoir
CreatesCluny Lagoon
Total capacity4,880 megalitres (172×10^6 cu ft)
Catchment area 2,971 square kilometres (1,147 sq mi)
Surface area8 hectares (20 acres)
Cluny Power Station
Coordinates 42°30′00″S146°40′48″E / 42.50000°S 146.68000°E / -42.50000; 146.68000
Operator(s) Hydro Tasmania
Commission date1968 (1968)
Type Conventional
Hydraulic head 15 metres (49 ft)
Turbines 1 x 18.6 MW (24,900 hp) Boving Kaplan-type turbine
Installed capacity 18.6 megawatts (24,900 hp)
Capacity factor 0.8
Annual generation 90 gigawatt-hours (320 TJ)
Website
hydro.com.au/clean-energy/our-power-stations/derwent

The Cluny Power Station is a conventional hydroelectric power station located in the Central Highlands region of Tasmania, Australia. The power station is situated on the Lower River Derwent catchment and is owned and operated by Hydro Tasmania.

Contents

Technical details

Part of the Derwent scheme that comprises eleven hydroelectric power stations, the Cluny Power Station is the tenth power station in the scheme. The power station is located aboveground below Cluny Lagoon, a small storage created by the concrete gravity Cluny Dam on the Derwent River. The facilities at the Cluny Power Station are simple and include the dam, intake structure with intake gate designed to cut off full flow, a short penstock which is integral with the dam, power station building, generator equipment and associated facilities. [1] [2]

The power station was commissioned in 1967 by the Hydro Electric Corporation (TAS) and has a single Boving Kaplan-type turbine with a generating capacity of 18.6 megawatts (24,900 hp) of electricity. Within the station building, the turbine has a four-bladed runner and concrete spiral casing. Pre-stressed cables passing through the stay vanes anchor the spiral casing and form part of the station foundation. No inlet valve is installed in the station. The station output, estimated to be 90 gigawatt-hours (320 TJ) annually, is fed to TasNetworks' transmission grid via an 11 kV/220 kV Siemens generator transformer to the outdoor switchyard. [2]

Water discharged from the Cluny Power Station flows into the River Derwent. [1]

See also

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References

  1. 1 2 "Derwent". Energy. Hydro Tasmania. Archived from the original on 17 February 2022. Retrieved 19 June 2023.
  2. 1 2 "Cluny Power Station Fact Sheet: Technical fact sheet" (PDF). Energy: Our power stations. Hydro Tasmania. Archived (PDF) from the original on 19 June 2023. Retrieved 19 June 2023.