# Cluny Dam

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Dam and hydroelectric power station in Tasmania, Australia

Dam in Central Highlands Tasmania

Cluny Dam Interactive map of Cluny Dam Country Australia Location Central Highlands Tasmania Coordinates 42°30′24″S 146°40′55″E / 42.506757°S 146.681814°E / -42.506757; 146.681814 Purpose Power Status Operational Opening date 1967 (1967) Owner Hydro Tasmania Dam and spillways Type of dam Gravity dam Impounds River Derwent Height 30 m (98 ft) Length 204 m (669 ft) Dam volume 28×10^3 m3 (990×10^3 cu ft) Spillways 1 Spillway type Uncontrolled Spillway capacity 4,248 m3/s (150,000 cu ft/s) Reservoir Creates Cluny Lagoon Total capacity 4,880 ML (3,960 acre⋅ft) Catchment area 2,971 km2 (1,147 sq mi) Surface area 8 ha (20 acres) Normal elevation 98 m (322 ft) AHD Cluny Power Station Coordinates 42°30′00″S 146°40′48″E / 42.50000°S 146.68000°E / -42.50000; 146.68000 Operator Hydro Tasmania Commission date 1968 (1968) Type Conventional Hydraulic head 15 m (49 ft) Turbines 1 x 18.6 MW (24,900 hp) Boving Kaplan-type Installed capacity 18.6 MW (24,900 hp) Capacity factor 0.8 Annual generation 90 GWh (320 TJ) Website hydro.com.au

The **Cluny Dam** is a [gravity dam](/source/Gravity_dam) across the [Lower River Derwent](/source/Derwent_River_(Tasmania)), located in the [Central Highlands](/source/Central_Highlands_(Tasmania)) region of [Tasmania](/source/Tasmania), Australia. Completed in 1967, the resultant [reservoir](/source/Reservoir), Cluny Lagoon, was established for the purpose of generating [hydroelectricity](/source/Hydroelectricity) by the **Cluny Power Station**, a [conventional](/source/Hydroelectricity#Conventional_(dams)) hydroelectric [power station](/source/Power_station). The dam and power station are owned and operated by [Hydro Tasmania](/source/Hydro_Tasmania).

## Dam overview

Built by the [Hydro Electric Corporation (TAS)](/source/Hydro_Tasmania) in 1967, the concrete dam wall is 30 metres (98 ft) high and 204 metres (669 ft) long. When full, the reservoir has capacity of 4,880 [megalitres](/source/Megalitre) (3,960 [acre⋅ft](/source/Acre-foot)) and covers 80 hectares (200 acres), drawn from a [catchment area](/source/Drainage_basin) of 2,971 square kilometres (1,147 sq mi). The [uncontrolled spillway](/source/Spillway#Types) has a flow capacity of 4,248 cubic metres per second (150,000 cu ft/s). The reservoir receives water from the [Repulse Dam](/source/Repulse_Power_Station).[1]

## Hydroelectric power station

Part of the [Derwent](/source/River_Derwent_(Tasmania)) 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 the Cluny Lagoon. 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](/source/Penstock) which is integral with the dam, power station building, generator equipment and associated facilities.[2][3]

The power station was commissioned in 1967 by the Hydro Electric Corporation and has a single Boving [Kaplan-type](/source/Kaplan_turbine) [turbine](/source/Water_turbine) with a generating capacity of 18.6 [megawatts](/source/Megawatt) (24.9×10^3 [hp](/source/Horsepower)) 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](/source/Kilowatt-hour) (320 [TJ](/source/Terajoule)) annually, is fed to [TasNetworks](/source/TasNetworks)' transmission grid via an 11 k[V](/source/Voltage)/220 kV [Siemens](/source/Siemens) generator transformer to the outdoor switchyard.[3]

Water discharged from the Cluny Power Station flows into the River Derwent.[2]

## See also

- [Renewable energy portal](https://en.wikipedia.org/wiki/Portal:Renewable_energy)
- [Australia portal](https://en.wikipedia.org/wiki/Portal:Australia)
- [Water portal](https://en.wikipedia.org/wiki/Portal:Water)

- [List of power stations in Tasmania](/source/List_of_power_stations_in_Tasmania)

- [List of reservoirs and dams in Tasmania](/source/List_of_reservoirs_and_dams_in_Australia#Tasmania)

## References

1. **[^](#cite_ref-ANCOLD_1-0)** ["Register of Large Dams Australia-2015"](https://ancold.org.au/information-resources/dams-information/) ([Excel](/source/Microsoft_Excel). Requires download. Row 113). *[ANCOLD](/source/ANCOLD)*. January 2022. Retrieved 5 March 2026.

1. ^ [***a***](#cite_ref-hydro_2-0) [***b***](#cite_ref-hydro_2-1) ["Derwent"](https://www.hydro.com.au/clean-energy/our-power-stations/derwent). *Energy*. [Hydro Tasmania](/source/Hydro_Tasmania). [Archived](https://web.archive.org/web/20220217174205/https://www.hydro.com.au/clean-energy/our-power-stations/derwent) from the original on 17 February 2022. Retrieved 19 June 2023.

1. ^ [***a***](#cite_ref-TECH_3-0) [***b***](#cite_ref-TECH_3-1) ["Cluny Power Station Fact Sheet: Technical fact sheet"](https://www.hydro.com.au/docs/default-source/clean-energy/our-power-stations/power-station-fact-sheets/cluny-power-station-fact-sheet.pdf?sfvrsn=2bcd9b28_2) (PDF). *Energy: Our power stations*. [Hydro Tasmania](/source/Hydro_Tasmania). [Archived](https://web.archive.org/web/20230619052620/https://www.hydro.com.au/docs/default-source/clean-energy/our-power-stations/power-station-fact-sheets/cluny-power-station-fact-sheet.pdf?sfvrsn=2bcd9b28_2) (PDF) from the original on 19 June 2023. Retrieved 19 June 2023.

## External links

- [Hydro Tasmania](/source/Hydro_Tasmania) page on [the Lower Derwent](https://web.archive.org/web/20060919104726/http://www.hydro.com.au/home/Energy/Tasmanian+Hydro+Electric+Schemes/Catchment+Areas/Derwent+Catchment/The+Lower+Derwent.htm)

v t e Hydroelectric dams on the River Derwent Clark Wayatinah Catagunya Repulse Cluny Meadowbank

v t e Dams and reservoirs in Tasmania, Australia Central Highlands Arthurs Lake Catagunya Clark Cluny Lake Binney Lake Echo Liapootah Meadowbank Miena Pine Tier Repulse Wayatinah King Island Upper Grassy North East Briseis Cascade Clarence Curries River Duck Reach Weir Frome Monarch Mount Paris North West Guide River Henty Pet River White Spur Northern Augusta Cethana Devils Gate Ford Mackenzie Meander Paloona Parangana Rowallan Taylor No. 3 Trevally Wilmot South Craigbourne Flagstaff Gully Hall No. 2 Knights Creek Limekiln Gully Lower Reservoir Ridgeway Rileys Creek Risdon Brook Stanton South West Edgar Gordon Laughing Jack Scotts Peak Serpentine Western Anthony and levee Bastyan and levee Crotty Darwin Mackintosh Tullabardine Margaret Murchison Newton Reece Decommissioned Tolosa Park Category | List

v t e Energy in Tasmania Hydroelectric Derwent Butlers Gorge Catagunya Cluny Lake Echo Liapootah Meadowbank Nieterana Repulse Tarraleah Tungatinah Wayatinah Gordon-Pedder Gordon Franklin Dam controversy Mersey-Forth Cethana Devils Gate Fisher Lemonthyme Paloona Parangana Rowallan Wilmot West Coast King John Butters Lake Margaret Pieman / Anthony Bastyan Mackintosh Reece Tribute Yingina / Great Lake Poatina Tods Corner Trevallyn Others Huntsman Decommissioned Duck Reach Moorina Waddamana Waddamana B Wind farms Granville Harbour Musselroe Woolnorth Cattle Hill Huxley Hill (King Island) Natural gas Tamar Valley Decommissioned Bell Bay Organisations Alinta Aurora Powerco Hydro Tasmania Roaring 40s TasNetworks Former Transend Networks Interconnectors Basslink Planned Marinus Link Other Office of the Tasmanian Economic Regulator 2016 Tasmanian energy crisis List of power stations in Tasmania

v t e Central Highlands region of Tasmania, Australia Settlements Bronte Park Derwent Bridge Gretna Liawenee Miena Tarraleah Governance Lyons (federal) Lyons (state) Western Tiers (state) Central Highlands Council Meander Valley Council Mountains Artillery Knob King Davids Mount Olympus Du Cane Range The Acropolis Castle Crag Geryon Gould Ossa Thetis Cradle Cirque - Bluff Cirque Barn Bluff Cradle Smithies Cathedral Cathedral Great Western Tiers Ironstone Mother Cummings Quamby Bluff Pelion Range Pelion East Pelion West National parks Other conservation areas Cradle Mountain-Lake St Clair Mole Creek Karst Tasmanian Wilderness World Heritage Area Walls of Jerusalem Central Plateau Conservation Area Interlaken Lakeside Reserve Rivers Derwent Lake Nive Meander Lakes Arthurs Bronte Great Mackenzie St Clair Dams Arthurs Lake Catagunya Clark Cluny Lake Binney Liapootah Mackenzie Meadowbank Meander Miena Pine Tier Miena Repulse Wayatinah Power stations Butlers Gorge Catagunya Cluny Fisher Lake Echo Liapootah Meadowbank Nieterana Poatina Repulse Tarraleah Tods Corner Tungatinah Wayatinah Decommissioned Waddamana Transport Lake Highway Lyell Highway Marlborough Highway Landmarks El Grande Horseshoe Falls Lady Barron Falls Overland Track Pelion Gap Russell Falls Waterfall Valley Hut other Central Highlands (bioregion) 2016 Tasmanian bushfires

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Adapted from the Wikipedia article [Cluny Dam](https://en.wikipedia.org/wiki/Cluny_Dam) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Cluny_Dam?action=history)). Available under [Creative Commons Attribution-ShareAlike 4.0 International](https://creativecommons.org/licenses/by-sa/4.0/). Changes may have been made.