Snowy Hydro 2.0

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Project Details

The snowy Hydro 2.0 project currently under construction is a major expansion of the snowy scheme, linking Tantangara and Talbingo reservoirs using a 27km tunnel with an underground pumped-hydro power station about 800m below the surface. The snowy 2.0 aims to increase the generation capacity of the Snowy Mountains by up to 2,000 MW and at full capacity will provide approximately 350,000 MW/h of energy storage. Upon completion it will be one of the largest pumped hydro schemes in the world.

The principal contractor for the construction of Snowy 2.0 is Future Generation Joint Venture, an alliance between Italy’s Webuild (formerly Salini Impregilo), Australian based Clough and US-based Lane Construction, the JV was conceived to deliver an integrated Engineering, Procurement and Construction management service for the project.

Our Role

CaSE International has been engaged by FGJV to provide technical and management support delivering some key elements of the project:

  • Tantangara Project Site – one of the two main intakes, Tantangara involves preparation and launching of a 10m diameter TBM on a 14km drive and the constructing a large hydraulic intake. The intake requires 500,000m3 of excavation, forming a 16,500m3 reinforced concrete diffuser and blind sinking a 65m gate shaft. This includes the marine removal of a rock plug once the works are completed CaSE Engineers are involved leading the technical design preparation, temporary works, and package procurement.
  • Project Camps – The project requires remote accommodation for all workers on the project. This requires several camps to be built with ~2000 to be provided. CaSE engineers have been responsible for delivering the camps through design, manufacture, and installation.
  • Trunk Services – In order to power the works HV power and comms are required across the project including 35km of new service routing through Kosciuszko National Park. CaSE Engineers have been leading the design, approval, procurement, and delivery stages.
  • Engineering/Design – Several complex temporary works are required to deliver the project. CaSE Design have been involved in designing several the temporary foundations and structural supports required for TBM support services including Slurry Treatment Plant reinforced concrete foundations, and steel conveyor support structure.
New South Wales, AU
Project Value
AUD 5.1B
Future Generation Joint Venture, an alliance between Italy’s Webuild (formerly Salini Impregilo)
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  • Construction Engineering
  • Design Management
  • Design of RC structures
  • Temporary works design
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