Our expertise in wind generation includes installation of wind turbines, associated electrical work, substations, earthworks, access roads, drainage installation, hard stands and concrete foundations, and the construction of the main control building. | But that’s all technical. Above and beyond that is the legacy we leave, with demonstrated capability to deliver significant economic, social and environmental benefits to the regions we deliver in. John Holland helped deliver the Cathedral Rocks windfarm in South Australia and is currently exploring potential offshore wind farm opportunities across southern Australia. |