# Lake Binney Dam

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Power station in Tasmania, Australia

Dam in Central Highlands, Tasmania

Lake Binney Dam Interactive map of Lake Binney Dam Country Australia Location Central Highlands, Tasmania Coordinates 42°15′36″S 146°29′24″E / 42.26000°S 146.49000°E / -42.26000; 146.49000 Purpose Power Status Operational Opening date 1953 (1953) Owner Hydro Tasmania Dam and spillways Type of dam Embankment dam Impounds Big Marsh Creek Height 10 m (33 ft) Length 1,262 m (4,140 ft) Dam volume 192×10^3 m3 (6.8×10^6 cu ft) Spillways none Reservoir Creates Tungatinah Lagoon Total capacity 26,420 ML (21,420 acre⋅ft) Catchment area 52 km2 (20 sq mi) Surface area 40.9 ha (101 acres) Normal elevation 652 m (2,139 ft) AHD Tungatinah Power Station Coordinates 42°17′49″S 146°27′24″E / 42.29694°S 146.45667°E / -42.29694; 146.45667 Operator Hydro Tasmania Commission date 1953 (1953)–1956 (1956) Type Conventional Hydraulic head 290 m (950 ft) Turbines 5 x 25 MW (34,000 hp) (Boving Francis-type) Installed capacity 125 MW (168,000 hp) Capacity factor 0.8 Annual generation 579 GWh (2,080 TJ) Website hydro.com.au [1]

The **Lake Binney Dam** is an earth-faced rockfill [embankment dam](/source/Embankment_dam) across Big Marsh Creek, part of the [Upper River Derwent](/source/River_Derwent_(Tasmania)) catchment, located in the [Central Highlands](/source/Central_Highlands_(Tasmania)) region of [Tasmania](/source/Tasmania), Australia. Completed in 1953, the resultant [reservoir](/source/Reservoir), Lake Binney, was one of the several dams and canals established for the purpose of generating [hydroelectricity](/source/Hydroelectricity) via the **Tungatinah Power Station**, a [conventional](/source/Hydroelectricity#Conventional_(dams)) hydroelectric [power station](/source/Power_station).

The dam, its reservoir, and the power station are owned and operated by [Hydro Tasmania](/source/Hydro_Tasmania).

## Dam and reservoir overview

The earth-faced [rock-filled dam](/source/Rock-filled_dam) wall is 10 metres (33 ft) high and 1,262 metres (4,140 ft) long. When full, Lake Binney has capacity of 26,000 megalitres (21,000 acre⋅ft) and covers 400 hectares (990 acres), draw from a [catchment area](/source/Drainage_basin) of 52 square kilometres (20 sq mi). The dam does not have a [spillway](/source/Spillway).[1]

Lake Binney is part of the Brady Chain of Lakes, a series of lakes and other waterways in the region formed between 1952 and 1956 that, together, collectively support the generation of hydroelectricity at the Tungatinah Power Station. The lake is stocked with [brown trout](/source/Brown_trout) and [rainbow trout](/source/Rainbow_trout).[2] Lake Binney is pet-friendly.[3]

## Hydroelectric power station

Tungatinah Power Station at Nive River 2017

Part of the [Derwent](/source/River_Derwent_(Tasmania)) scheme that comprises eleven hydroelectric power stations, the Tungatinah Power Station is the second station in the scheme. The power station is located aboveground adjacent to the Nive River. The headworks are quite complex with several dams (including the Bronte Lagoon formed by Bronte Dam, Bradys Lake formed by Bradys Dam, Pine Tier Lagoon formed by [Pine Tier Dam](/source/Pine_Tier_Dam), Lake Binney and the Tungatinah Lagoon), a tunnel, canals, pipelines, flumes their associated control gates and a pump station. Water is diverted from the Tungatinah Lagoon by a short tunnel with surge shaft and then descends 290 metres (950 ft) through five steel [penstocks](/source/Penstock) to the power station.[4][5]

The power station was commissioned between 1953 and 1956 by the [Hydro Electric Corporation (TAS)](/source/Hydro_Tasmania) and the station has five Boving [Francis-type](/source/Francis_turbine) [turbines](/source/Water_turbine), with a total generating capacity of 125 megawatts (168,000 hp).[6] Within the station building, each turbine has a semi-embedded spiral casing and water flow is controlled via a spherical rotary inlet valve and a relief valve designed to prevent spiral casing over pressure. The station output, estimated to be 579 [gigawatt-hours](/source/Kilowatt-hour) (2,080 [TJ](/source/Terajoule)) annually,[1] is fed to [TasNetworks](/source/TasNetworks)' transmission grid via five 11 k[V](/source/Voltage)/110 kV three-phase [GEC](/source/General_Electric_Company_plc) generator transformer to the outdoor switchyard.[4]

After passing through the five turbines, water is discharged into the Nive River where it combines with the water from the [Tarraleah Power Station](/source/Tarraleah_Power_Station) to supply the six Lower Derwent stations.[5]

## 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 reservoirs and dams in Tasmania](/source/List_of_reservoirs_and_dams_in_Australia#Tasmania)

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

## References

1. ^ [***a***](#cite_ref-ANCOLD_1-0) [***b***](#cite_ref-ANCOLD_1-1) [***c***](#cite_ref-ANCOLD_1-2) ["Register of Large Dams Australia-2015"](https://ancold.org.au/information-resources/dams-information/) ([Excel](/source/Microsoft_Excel). Requires download. Row 271). *[ANCOLD](/source/ANCOLD)*. January 2022. Retrieved 5 March 2026.

1. **[^](#cite_ref-2)** ["Lake Binney"](https://www.ifs.tas.gov.au/fisheries/waters-a-z/lake-binney/). *Inland Fisheries Service*. [Government of Tasmania](/source/Government_of_Tasmania). n.d. Retrieved 27 April 2026.

1. **[^](#cite_ref-3)** ["Travelling Tassie with your four-legged friend"](https://www.hydro.com.au/articles/recreation/travelling-tassie-your-four-legged-friend). *[Hydro Tasmania](/source/Hydro_Tasmania)*. 13 November 2023. Retrieved 27 April 2026.

1. ^ [***a***](#cite_ref-hydrotech_4-0) [***b***](#cite_ref-hydrotech_4-1) ["Tungatinah Station: Technical fact sheet"](https://web.archive.org/web/20150924032935/http://www.hydro.com.au/system/files/Tungatinah_Power_Station-Fact-Sheets.pdf) (PDF). *Derwent Catchment*. [Hydro Tasmania](/source/Hydro_Tasmania). Archived from [the original](http://www.hydro.com.au/system/files/Tungatinah_Power_Station-Fact-Sheets.pdf) (PDF) on 24 September 2015. Retrieved 5 July 2015.

1. ^ [***a***](#cite_ref-hydro_5-0) [***b***](#cite_ref-hydro_5-1) ["Derwent: Tungatinah Power Station | Energy"](http://www.hydro.com.au/energy/our-power-stations/derwent-0/tungatinah-power-station). *[Hydro Tasmania](/source/Hydro_Tasmania)*. Retrieved 5 July 2015.

1. **[^](#cite_ref-fact_6-0)** Austral Archaeology Pty Ltd; Terry, Ian (April 2007). ["Tungatinah Power Station—Conservation Management Plan"](http://www.hydro.com.au/system/files/documents/Cultural_heritage/conservation_mgmt_plan_tungatinah.pdf) (PDF). Retrieved 1 February 2012.

## External links

- ["Lower Derwent"](https://web.archive.org/web/20060919104834/http://www.hydro.com.au/home/Energy/Tasmanian+Hydro+Electric+Schemes/Catchment+Areas/Derwent+Catchment/The+Tributaries+-+the+Nive+and+Dee.htm). *[Hydro Tasmania](/source/Hydro_Tasmania)*. Archived from [the original](http://www.hydro.com.au/home/Energy/Tasmanian+Hydro+Electric+Schemes/Catchment+Areas/Derwent+Catchment/The+Tributaries+-+the+Nive+and+Dee.htm) on 19 September 2006.

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 [Lake Binney Dam](https://en.wikipedia.org/wiki/Lake_Binney_Dam) by Wikipedia contributors ([contributor history](https://en.wikipedia.org/wiki/Lake_Binney_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.