| Review of failures of photovoltaic modules M Köntges, S Kurtz, CE Packard, U Jahn, KA Berger, K Kato, T Friesen, ... IEA International Energy Agency, 2014 | 528 | 2014 |
| A power-rating model for crystalline silicon PV modules T Huld, G Friesen, A Skoczek, RP Kenny, T Sample, M Field, ED Dunlop Solar Energy Materials and Solar Cells 95 (12), 3359-3369, 2011 | 250 | 2011 |
| Overview of temperature coefficients of different thin film photovoltaic technologies A Virtuani, D Pavanello, G Friesen 25th European photovoltaic solar energy conference and exhibition/5th World …, 2010 | 212 | 2010 |
| Energy rating of PV modules: comparison of methods and approach RP Kenny, G Friesen, D Chianese, A Bernasconi, ED Dunlop 3rd World Conference onPhotovoltaic Energy Conversion, 2003. Proceedings of …, 2003 | 79 | 2003 |
| Capacitance effects in high-efficiency cells G Friesen, HA Ossenbrink Solar Energy Materials and Solar Cells 48 (1-4), 77-83, 1997 | 75 | 1997 |
| Impedance model for CdTe solar cells exhibiting constant phase element behaviour G Friesen, ME Özsar, ED Dunlop Thin Solid Films 361, 303-308, 2000 | 72 | 2000 |
| 35 years of photovoltaics: Analysis of the TISO‐10‐kW solar plant, lessons learnt in safety and performance—Part 1 A Virtuani, M Caccivio, E Annigoni, G Friesen, D Chianese, C Ballif, ... Progress in Photovoltaics: Research and Applications 27 (4), 328-339, 2019 | 63 | 2019 |
| Uncertainty in Photovoltaic performance parameters–dependence on location and material MB Strobel, TR Betts, G Friesen, HG Beyer, R Gottschalg Solar Energy Materials and Solar Cells 93 (6-7), 1124-1128, 2009 | 49 | 2009 |
| Analysis of weathered c-Si PV modules D Chianese, A Realini, N Cereghetti, A Rezzonico, E Bura, G Friesen, ... 3rd World Conference onPhotovoltaic Energy Conversion, 2003. Proceedings of …, 2003 | 49 | 2003 |
| Bifacial photovoltaic modules and systems: Experience and results from international research and pilot applications J Stein, C Reise, JB Castro, G Friesen, G Maugeri, E Urrejola, S Ranta Sandia National Lab.(SNL-NM), Albuquerque, NM (United States); Fraunhofer …, 2021 | 40 | 2021 |
| 35 years of photovoltaics: Analysis of the TISO‐10‐kW solar plant, lessons learnt in safety and performance—Part 2 E Annigoni, A Virtuani, M Caccivio, G Friesen, D Chianese, C Ballif Progress in Photovoltaics: Research and Applications 27 (9), 760-778, 2019 | 40 | 2019 |
| The effects of solar cell capacitance on calibration accuracy when using a flash simulator C Monokroussos, R Gottschalg, AN Tiwari, G Friesen, D Chianese, S Mau 2006 IEEE 4th World Conference on Photovoltaic Energy Conference 2, 2231-2234, 2006 | 39 | 2006 |
| Investigation of CdTe solar cells via capacitance and impedance measurements G Friesen, ED Dunlop, R Wendt Thin Solid Films 387 (1-2), 239-242, 2001 | 38 | 2001 |
| Intercomparison of different energy prediction methods within the european project" performance"-results of the 1st round robin G Friesen, R Gottschalg, HG Beyer, SR Williams, W van Sark, ... 22nd European Photovoltaic Solar Energy Conference, 2659-2663, 2007 | 37 | 2007 |
| Intercomparison of different energy prediction methods within the European project “performance”—Results on the 2nd round robin G Friesen, S Dittmann, S Williams, R Gottschalg, HG Beyer, ... Proceedings of the 24th European Photovoltaic Solar Energy Conference, 3189-3197, 2009 | 32 | 2009 |
| Power and energy production of PV modules statistical considerations of 10 years activity N Cereghetti, E Bura, D Chianese, G Friesen, A Realini, S Rezzonico 3rd World Conference onPhotovoltaic Energy Conversion, 2003. Proceedings of …, 2003 | 26 | 2003 |
| The influence of operating temperature on the performance of BIPV modules A Gok, E Ozkalay, G Friesen, F Frontini IEEE Journal of Photovoltaics 10 (5), 1371-1378, 2020 | 23 | 2020 |
| A simple approach to model the performance of photovoltaic solar modules in operation A Virtuani, D Strepparava, G Friesen Solar Energy 120, 439-449, 2015 | 21 | 2015 |
| Advanced intercomparison testing of PV modules in European test laboratories W Herrmann, S Mau, F Fabero, TR Betts, N Van Der Borg, K Kiefer, ... 22nd EUPVSEC, 2007 | 20 | 2007 |
| Characterisation of performance of thin-film photovoltaic technologies TJ Silverman, U Jahn, G Friesen, M Pravettoni, M Apolloni, A Louwen, ... IEA International Energy Agency, 2014 | 19 | 2014 |
