1. Renewable Energy Research GroupCollege of Engineering, Mathematics and Physical SciencesUniversity of ExeterPenryn CampusTR10 9EZPenrynUK
2. Electro‐Mechanical Engineering Research GroupEngineering SciencesUniversity of SouthamptonSO17 1BJSouthamptonUK
3. Electronic EngineeringUniversity of NottinghamNG7 2RDNottinghamUK