1. Technical Director (Real Estate), Verco, Corsham, Wiltshire, UK
2. Professor and Director of the Centre for Renewable Energy Systems Technology (CREST), Loughborough University, Loughborough, Leicestershire, UK
3. Professor Emeritus, Department of Mechanical Engineering and Institute for Sustainable Energy and the Environment (I•SEE), University of Bath, Bath, UK (corresponding author: )
4. Development Director, ITM Power, Sheffield, UK
5. Professor, Dublin Energy Lab, Technological University Dublin, Dublin, Republic of Ireland
6. Research Professor and Head of Energy Research, Tyndall National Institute, University College Cork, Cork, Republic of Ireland
7. MaREI, the SFI Centre for Energy, Climate and Marine, Ringaskiddy, Republic of Ireland