The 250MW Snowtown Wind Farm Stage II development was constructed on the Barunga Ranges near Snowtown in rural South Australia and comprises 90, 3MW wind turbine generators.
We were appointed as the Electrical Balance of Plant contractor for this project which comprised the design, supply, installation and commissioning of the wind farm 33kV underground reticulation, wind farm 275/33kV substation and 33kV internal overhead line.
We designed, supplied, installed and commissioned 120,000 metres of 33kV direct buried MV cable including fibre optic and earth to link the 90 turbines to the substation site.
We designed, suppled, constructed and commissioned the 275/33kV wind farm substation, including 2 x 275/33kV 160MVA power transformers, control building with indoor switchgear, reactive power plant, protection and control and other associated substation electrical plant/equipment.
We designed, supplied, constructed and commissioned 14.5km’s of dual circuit and 5km’s of single circuit 33kV overhead line support by steel monopoles including an access track along the length of the OHL and crane pads at each pole location. We used a helicopter to string the overhead line conductor to accelerate the program.