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Data Analysis for installed PV Systems in the Netherlands

Gaete Haller, P.J. (2017) Data Analysis for installed PV Systems in the Netherlands.

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Abstract:In a more energy demanding world, solar energy may be an important key player in achieve a secure, cheap and clean energy source. Abundance of solar irradiance around the world allows utilizing this source everywhere. This fact is linked with the effort of CO2 emission reduction by nations, by reducing the impact of energy generation emission by conventional (fossil fuel based) generators. Transportation systems also may turn into a sustainable or no-­‐emission (CO2) actor. Also, solar PV energy is reaching attractive economical benefits, reducing the prices on the technology itself and reducing prices of energy generation, competing with traditional fossil fuel based sources. Even in some countries the price from PV power plants is already lower then thermal units. As a significant number of countries around the world, the Netherlands is experiencing a strong expansion in the PV technology market to achieve benefits as mention above. Total installed capacity it has been doubling for past two years and in 2013, the capacity was about 722 MWp. This growth of PV systems requires reliable and accurate information about their performance to allows net operators to manage increasing levels of PV generation into distribution grid to forecasting it capacity and look forward to storage options. The present report focused on data analysis of roof mounted PV systems around the area of Utrecht, Rotterdam, den Bosch and Amsterdam, in the Netherlands looks forward providing more analysis and information about existing systems. The received data includes information as total system, module and inverter capacity, brand, tilt and orientation per installed system. It also includes solar irradiation data from the KNMI and METEO-­‐SAT system, in Watt per square meter in an hourly average value. Main aim of the analysis was to describe the existing PV systems in the mentioned areas and compare them by calculating the performance ratio (PR). Also comparison of possible differences between the multiple brands of PV modules and inverters as possible seasonal variations too were analyzed. Received systems data was analyzed and filtered using the programming language Python. The filters applied to the raw data included eliminating NaN and infinite values. Calculated PR was then filtered by minimum solar irradiation value to avoid distortions in PR value during sunrise and sunset. Finally, the analyzed systems were filtered by PR interval between 0.25 and 1.6, dropping the systems with values out of this interval. Two PR systems samples were created, utilizing KNMI irradiation values and a second with METEO-­‐SAT irradiation values. Results of the analysis showed most common configuration of the PV systems concerning their technology (modules material), orientation, size of the systems and configuration giving also an insight about current status and capacities of BAPV installed in the Netherlands and the average performance of those systems.
Item Type:Internship Report (Master)
Utrecht University, Copernicus Institute, the Netherlands
Faculty:ET: Engineering Technology
Subject:52 mechanical engineering
Programme:Sustainable Energy Technology MSc (60443)
Keywords:roof mounted, PV systems, performance ratio, BAPV
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