Pierre-Jean Alet (CSEM, PV-center, Pierre-Jean.ALET@csem.ch), Venizelos Efthymiou (University of Cyprus, FOSS Research Centre for Sustainable Energy, efthymiou.venizelos@ucy.ac.cy), Giorgio Graditi (ENEA Portici Research Centre, giorgio.graditi@enea.it). Norbert Henze (Fraunhofer Institute for Wind Energy and Energy System Technology, norbert.henze@iwes.fraunhofer.de), Mari Juel (SINTEF Materials and Chemistry, Sustainable Energy Technology, Mari.Juel@sintef.no), David Moser (EURAC Research, Institute for renewable energy, david.moser@eurac.edu), Franko Nemac (ApE Agencija za prestrukturiranje energetike, franko.nemac@ape.si), Marco Pierro (EURAC Research, Institute for renewable energy, Marco.Pierro@eurac.edu), Evangelos Rikos (Center for Renewable Energy Resources and Saving CRES, vrikos@cres.gr), Stathis Tselepis (Center for Renewable Energy Resources and Saving CRES, stselep@cres.gr), Guangya Yang (Technical University of Denmark, Department of Electrical Engineering, gyy@elektro.dtu.dk)