Liu Haohui is a Research Fellow in Solar Energy Research Institute of Singapore, PV systems technology group. He works on PV system modelling, analytical monitoring of system performance and degradation, optimization in the tropical context, and novel techniques for smart operation & maintenance. He has been active in the field of floating solar for more than two years. He is in charge of conducting research on the world's largest floating PV testbed in Singapore, and is involved in building the floating solar community to help the industry achieve technical excellence. He also collaborates with MIT on research of Si-based tandem technology, using modelling to assess its technical and economic potential.