The north-facing photovoltaic array on the high-bay laboratory building of the Sustainable Buildings Research Centre at the University of Wollongong is angled for maximum exposure to the sun. The use of old steel railway tracks in the framework is on

The north-facing photovoltaic array on the high-bay laboratory building of the Sustainable Buildings Research Centre at the University of Wollongong is angled for maximum exposure to the sun. The use of old steel railway tracks in the framework is one of example of recycled materials found throughout the building.