Energy performance of commercial c-Si PV modules in accordance with IEC 61853-1, -2 and impact on the annual specific yieldChristos Monokroussos, Yating Zhang, Eleanor W. Lee, Frank Xu, Allen Zhou, Yichi Zhang and Werner HerrmannEPJ Photovolt., 14 (2023) 6DOI: https://doi.org/10.1051/epjpv/2022032