Trevallyn Power Station
Completed in1955 the Trevallyn Hydro-Electric Power Station with its four generating sets sits in clear view beside the West Tamar Highway in Launceston. It uses the daily flow in the South Esk River which is diverted by Trevallyn Dam through a 3.2 km tunnel to the four penstocks which feed the turbines. The head on the station is 127m. Water is discharged into the Tamar Estuary.
Since 1966 when the Poatina Power Station was commissioned, its discharge from the Great Lake flows into the South Esk River and greatly benefits the water available for power generation at he Trevallyn Power Station.
Trevallyn power station draws its water from the South Esk River. Flood flows which exceed the tunnel capacity are discharged over the crest of Trevallyn Dam down the South Esk River. The station was originally designed for local operation but has been modified for remote operation from the central control centre in Hobart.
References: Bruce Cole
Bruce Cole Proposal to Nominate - Trevallyn Power Station
