Title: Mapping the Performance of PV modules, Effects of Module Type and Data Averaging
Authors: HULD ThomasGOTTSCHALG RalphBEYER Hans GeorgTOPIC Marko
Citation: SOLAR ENERGY vol. 84 p. 324-338
Publisher: PERGAMON-ELSEVIER SCIENCE LTD
Publication Year: 2010
JRC Publication N°: JRC53252
ISSN: 0038-092X
URI: http://www.elsevier.com/locate/solener
http://publications.jrc.ec.europa.eu/repository/handle/JRC53252
DOI: 10.1016/j.solener.2009.12.002
Type: Articles in Journals
Abstract: A method is presented for estimating the energy yield of photovoltaic (PV) modules at arbitrary locations in a large geographical area. The method applies a mathematical model for the energy performance of PV modules as a function of in-plane irradiance and module temperature and combines this with solar irradiation estimates from satellite data and ambient temperature values from ground station measurements. The method is applied to three different PV technologies: crystalline silicon, CuInSe2 and CdTe based thin-film technology in order to map their performance in fixed installations across most of Europe and to identify and quantify regional performance factors. It is found that there is a clear technology dependence of the geographical variation in PV performance. It is also shown that using long-term average values of irradiance and temperature leads to a systematic positive bias in the results of up to 3 %. It is suggested to use joint probability density functions of temperature and irradiance to overcome this bias.
JRC Institute:Institute for Energy and Transport

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