Situated in south west WA, Collgar windfarm is the largest single-stage windfarm in the southern hemisphere, featuring 111 turbines.  WGA completed the Balance of Plant Contract designs under a Design and Construct format with CATCON for foundations, roads, hardstands and drainage. Our role also included the geotechnical and structural inspection of foundation base preparation and reinforcement prior to concrete pours.

The Collgar is included in the following sectors & services.
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