Trevallyn Power Station

Trevallyn Dam
Trevallyn Power Station (c1970)
Trevallyn Power Station is located in Tasmania
Trevallyn Power Station
Location of the Trevallyn Dam in Tasmania
CountryAustralia
LocationNorthern Midlands Tasmania
Coordinates41°26′24″S 147°04′48″E / 41.44000°S 147.08000°E / -41.44000; 147.08000
PurposePower
StatusOperational
Opening date1955 (1955)
Owner(s)Hydro Tasmania
Dam and spillways
Type of damGravity dam
ImpoundsSouth Esk River
Height33 metres (108 ft)
Length177 metres (581 ft)
Dam volume61 thousand cubic metres (2.2×10^6 cu ft)
Spillways1
Spillway typeUncontrolled
Spillway capacity8,500 cubic metres per second (300,000 cu ft/s)
Reservoir
CreatesLake Trevallyn
Total capacity12,330 megalitres (435×10^6 cu ft)
Catchment area8,986 square kilometres (3,470 sq mi)
Surface area14.8 hectares (37 acres)
Trevallyn Power Station
Coordinates41°25′12″S 147°06′36″E / 41.42000°S 147.11000°E / -41.42000; 147.11000
Operator(s)Hydro Tasmania
Commission date1955 (1955)
TypeRun-of-the-river
Hydraulic head130 metres (430 ft)
Turbines
Installed capacity95.8 megawatts (128,500 hp)
Capacity factor0.8
Annual generation492 gigawatt-hours (1,770 TJ)
Website
hydro.com.au/energy/our-power-stations/great-lake-south-esk-0/trevallyn
[1]

The Trevallyn Power Station is a run-of-the-river hydroelectric power station located in the northern Midlands 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.

  1. ^ "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.