Tods Corner Power Station

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Arthurs Lake Dam
Relief Map of Tasmania.png
Red pog.svg
Location of the Miena Rockfill Dam in Tasmania
CountryAustralia
Location Central Highlands Tasmania
Coordinates 41°59′24″S146°54′36″E / 41.99000°S 146.91000°E / -41.99000; 146.91000
Purpose Power
StatusOperational
Opening date1965
Owner(s) Hydro Tasmania
Dam and spillways
Type of dam Embankment dam
Impounds Lake River
Height17 metres (56 ft)
Length482 metres (1,581 ft)
Dam volume113 thousand cubic metres (4.0×10^6 cu ft)
Spillways 1
Spillway type Controlled and uncontrolled
Spillway capacity43 cubic metres per second (1,500 cu ft/s)
Reservoir
Creates Arthurs Lake
Total capacity511,390 megalitres (18,060×10^6 cu ft)
Catchment area 259 square kilometres (100 sq mi)
Surface area645.9 hectares (1,596 acres)
Tods Corner Power Station
Coordinates 41°57′00″S146°46′48″E / 41.95000°S 146.78000°E / -41.95000; 146.78000
Operator(s) Hydro Tasmania
Commission date1 January 1966 (1966-01-01)
Type Pumped-storage
Hydraulic head 41 metres (135 ft)
Turbines 1 x 1.7 MW (2,300 hp)
Maier Francis-type turbine
Installed capacity 1.7 megawatts (2,300 hp)
Annual generation 8 gigawatt-hours (29 TJ)
Website
hydro.com.au/energy/our-power-stations/great-lake-south-esk-0/tods-corner
[1]

The Tods Corner Power Station is a pumped-storage [2] hydroelectric power station located in the Central Highlands region of Tasmania, Australia. The power station is situated on the Great Lake and South Esk catchment and is owned and operated by Hydro Tasmania.

Technical details

Located in the Great Lake and South Esk catchment area, the Tods Corner Power Station was developed to recover the available energy from the water out of the Arthurs Lake Pumping Station. In order to increase the size of the reservoir at the Great Lake, and increase the water available to the important Waddamana Power Stations, Arthurs Lake was created in the 1920s with the damming of several creeks and water was pumped from it into the Great Lake as required by the station. With the construction of the much larger Poatina Power Station in 1966 to replace Waddamana, Tods Corner was added to recover some of the energy used by the pump systems. The power station is located on the south-eastern shore of Great Lake and is supplied with water via a 105-metre (344 ft)-long penstock connected to an open flume which carries the discharge from Arthurs Lake Pumping Station. [3]

Commissioned in 1966 by the Hydro Electric Corporation, the station has a single Maier Francis-type turbine with capacity of 1.7 megawatts (2,300 hp) coupled to a Siemens induction generator. [4] The station output, estimated at 8 gigawatt-hours (29 TJ) annually, [1] is fed to TasNetworks' transmission grid at its output voltage of 6.6 kV via a circuit breaker located in the exterior switchyard. [4] [5]

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References

  1. 1 2 "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. ↑ "Tods Corner Power Station" (PDF). DOE Energy Storage Database. Sandia National Laboratories. 30 November 2013. Retrieved 6 July 2015.
  3. ↑ "Tods Corner Power Station". Our power stations: Great Lake - South Esk. Hydro Tasmania. 2015. Retrieved 6 July 2015.
  4. 1 2 "Tods Corner Power Station" (PDF). Our power stations: Great Lake - South Esk. Hydro Tasmania . Retrieved 6 July 2015.
  5. ↑ The Hydro after 100 Years EHA Magazine March 2015 page 19