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Title:
 
Detailed Loss Analysis for Wall Mounted Photovoltaic Systems at High Latitude; A Comparison of Multicrystalline Si- to CIGS- Modules
 
Author(s):
 
G. Otnes, M.B. Øgaard, L.T. Milde, S.E. Foss, J.H. Selj
 
Keywords:
 
Performance, CIGS, Multicrystalline Silicon, Building Integrated Photovoltaic (BIPV), Facade
 
Topic:
 
PV Systems and Storage – Modelling, Design, Operation and Performance
Subtopic: Operation, Performance and Maintenance of PV Systems
Event: 36th European Photovoltaic Solar Energy Conference and Exhibition
Session: 5CV.4.25
 
Pages:
 
1621 - 1626
ISBN: 3-936338-60-4
Paper DOI: 10.4229/EUPVSEC20192019-5CV.4.25
 
Price:
 
 
0,00 EUR
 
Document(s): paper
 

Abstract/Summary:


With photovoltaic (PV) energy gaining traction in more and more markets, opportunities emerge for more differentiated and specialized technologies. Different PV technologies might hold advantages in specific climates and/or mounting configurations, both in terms of performance and degradation behaviour. At high latitudes, wallmounted or façade-integrated PV is an especially interesting option for distributed PV, for several reasons. Here we quantify the conditions such a PV system will operate under and present a comparative analysis of two wall-mounted PV systems in Norway (59.9 °N): copper-indium-gallium-selenide (CIGS) vs multicrystalline silicon (mc-Si). A large part of the available insolation for these systems is received at low irradiance levels and/or high angle of incidence, e.g. 59 % of total insolation is incoming at irradiances below 600 W/m2 and/or at an angle of incidence higher than 60°. The analysis indicate that the mc-Si modules have better performance compared to CIGS at low irradiance levels and high angle of incidence, relative to standard testing conditions.