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Hydro Tasmania is the owner and operator of the Lake St Clair Radial Gates, including the associated infrastructure.

The radial gates are large water-control gates that let us control the flow of water from Lake St Clair into Lake King William. They help us safely manage lake levels, especially during wet weather, and ensure water is released in a controlled and predictable way.



Initially Hydro Tasmania considered refurbishment of the control gates commissioned in 1930 at Lake St Clair however, due to the age of the gates (95 years old) it was decided to replace the gates with new gates to secure the safe operation of the gates for the years to come.

Accidental discoveries are a foundation of science. And Hydro Tasmania can now add a very tiny one to the list – tiny in size but not importance - after finding Beddomeia tumida at yingina / Great Lake – the first time the live snail has been recorded in the area since 1900.

A North West road-trip offers the opportunity to explore the picturesque landscapes and the engineering marvels that Tassie has to offer.

Nestled in the heart of Tasmania’s rugged wilderness stands one of our most iconic assets, the Gordon Dam. A symbol of our commitment to renewable energy for Tasmania, this double curvature arch dam is celebrating its 50th anniversary.

Specialist power and water consulting firm Entura has recently completed the Suma Park Dam upgrade in New South Wales, Australia, after developing an innovative solution to increase the height of the dam wall by three metres while maintaining regular operations.