1. Department of Architecture and Built Environment, University of Nottingham Ningbo China, Ningbo, People’s Republic of China
2. Department of Civil and Environmental Engineering, Imperial College London, London, UK
3. Sustainable Built Environment Research Group, University of Nottingham Ningbo China, Ningbo, People’s Republic of China
4. Photovoltaic Systems and Distributed Generation Department, Centre for Renewable Energy Sources and Saving, Attica, Greece