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Global Distribution of Optimal Tilt Angles for Fixed Tilted PV Systems
C. Breyer, J. Schmid
PV System, Solar Radiation, Modelling / Modeling, Global Potential Analysis, Solar Atlas
Components for PV Systems
Subtopic: PV System Engineering and Standards, Socio-economic Aspects, and Sustainability
Event: 25th European Photovoltaic Solar Energy Conference and Exhibition / 5th World Conference on Photovoltaic Energy Conversion, 6-10 September 2010, Valencia, Spain
Session: 4BV.1.93
4715 - 4721
ISBN: 3-936338-26-4
Paper DOI: 10.4229/25thEUPVSEC2010-4BV.1.93
0,00 EUR
Document(s): paper


Tilt angles show decisive impact on fixed tilted PV power plant design. A comprehensive irradiation and cost optimizing model is presented based on Hay-Davis-Klucher-Reindl (HDKR) approach coupled with levelized cost of electricity (LCOE). Results of the analysis are shown for all regions in the world. Trade-off between irradiation and cost optimization is found. Rule of thumb, that tilt angle should be respective latitude can be confirmed for most regions in the world, except those higher than 45°N or lower 45°S or of very special local climatic conditions. Nevertheless, overall impact of tilt angle on maximizing irradiation should not be overestimated