Cethana Power Station
Technical details
Part of the Mersey–Forth scheme that comprises seven hydroelectric power stations, the Cethana Power Station is the fifth station in the scheme. The power station is located underground and is supplied with water from Lake Cethana, the Wilmot Power Station located below Lake Gairdner, and uncontrolled flow from the Forth River. Water from the station is returned to the Forth River through a tailrace tunnel which has a tailrace gate structure at the outlet portal.
The power station was commissioned in 1971 by the Hydro Electric Corporation (TAS) and the station has one Fuji Francis turbine, with a generating capacity of 100 megawatts (130,000 hp) of electricity. The station output, estimated to be 434 gigawatt-hours (1,560 TJ) annually, is fed to the outdoor switchyard via a three single-phase 13.8 kV/220 kV Fuji generator transformer.
Engineering heritage
Cethana Dam is listed as a National Engineering Landmark by Engineers Australia as part of its Engineering Heritage Recognition Program.
See also
References
- ^ "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.
- ^ "Mersey - Forth". Energy. Hydro Tasmania. Retrieved 3 July 2015.
- ^ "Cethana Power Station: Technical fact sheet" (PDF). Mersey-Forth Catchment. Hydro Tasmania. Archived (PDF) from the original on 18 June 2023. Retrieved 18 June 2023.
- ^ "Cethana Dam, Forth River, 1971-". Engineers Australia. Retrieved 27 April 2020.